java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 17:13:49,340 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 17:13:49,342 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 17:13:49,358 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 17:13:49,358 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 17:13:49,360 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 17:13:49,362 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 17:13:49,365 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 17:13:49,367 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 17:13:49,368 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 17:13:49,370 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 17:13:49,370 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 17:13:49,371 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 17:13:49,373 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 17:13:49,374 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 17:13:49,382 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 17:13:49,382 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 17:13:49,387 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 17:13:49,390 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 17:13:49,394 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 17:13:49,395 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 17:13:49,398 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 17:13:49,403 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 17:13:49,403 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 17:13:49,403 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 17:13:49,404 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 17:13:49,405 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 17:13:49,406 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 17:13:49,406 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 17:13:49,407 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 17:13:49,408 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 17:13:49,408 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-12 17:13:49,409 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-12 17:13:49,409 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-12 17:13:49,410 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-12 17:13:49,410 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-12 17:13:49,411 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-12 17:13:49,431 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 17:13:49,431 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 17:13:49,432 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 17:13:49,432 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 17:13:49,433 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 17:13:49,434 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 17:13:49,434 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 17:13:49,434 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 17:13:49,434 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 17:13:49,434 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 17:13:49,435 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 17:13:49,435 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 17:13:49,435 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 17:13:49,436 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 17:13:49,436 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 17:13:49,437 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 17:13:49,437 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 17:13:49,437 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 17:13:49,437 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 17:13:49,437 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 17:13:49,437 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 17:13:49,438 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 17:13:49,438 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 17:13:49,438 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 17:13:49,438 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 17:13:49,438 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 17:13:49,439 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 17:13:49,440 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 17:13:49,441 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 17:13:49,441 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 17:13:49,441 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 17:13:49,441 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 17:13:49,441 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 17:13:49,441 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 17:13:49,442 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 17:13:49,506 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 17:13:49,517 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 17:13:49,520 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 17:13:49,522 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 17:13:49,522 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 17:13:49,523 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c [2018-11-12 17:13:49,579 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eae62c833/46ce304aa0a9473181e0ad8a042673c4/FLAG74fbe1f4d [2018-11-12 17:13:50,123 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 17:13:50,131 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c [2018-11-12 17:13:50,149 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eae62c833/46ce304aa0a9473181e0ad8a042673c4/FLAG74fbe1f4d [2018-11-12 17:13:50,170 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eae62c833/46ce304aa0a9473181e0ad8a042673c4 [2018-11-12 17:13:50,181 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 17:13:50,182 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 17:13:50,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 17:13:50,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 17:13:50,187 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 17:13:50,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:13:50" (1/1) ... [2018-11-12 17:13:50,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60f6c87e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:13:50, skipping insertion in model container [2018-11-12 17:13:50,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:13:50" (1/1) ... [2018-11-12 17:13:50,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 17:13:50,270 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 17:13:50,807 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 17:13:50,813 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 17:13:50,935 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 17:13:50,954 INFO L193 MainTranslator]: Completed translation [2018-11-12 17:13:50,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:13:50 WrapperNode [2018-11-12 17:13:50,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 17:13:50,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 17:13:50,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 17:13:50,957 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 17:13:50,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:13:50" (1/1) ... [2018-11-12 17:13:51,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:13:50" (1/1) ... [2018-11-12 17:13:51,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 17:13:51,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 17:13:51,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 17:13:51,081 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 17:13:51,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:13:50" (1/1) ... [2018-11-12 17:13:51,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:13:50" (1/1) ... [2018-11-12 17:13:51,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:13:50" (1/1) ... [2018-11-12 17:13:51,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:13:50" (1/1) ... [2018-11-12 17:13:51,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:13:50" (1/1) ... [2018-11-12 17:13:51,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:13:50" (1/1) ... [2018-11-12 17:13:51,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:13:50" (1/1) ... [2018-11-12 17:13:51,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 17:13:51,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 17:13:51,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 17:13:51,191 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 17:13:51,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:13:50" (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 [2018-11-12 17:13:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-12 17:13:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 17:13:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 17:13:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-12 17:13:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-12 17:13:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 17:13:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 17:13:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 17:13:51,261 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 17:13:54,530 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 17:13:54,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:13:54 BoogieIcfgContainer [2018-11-12 17:13:54,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 17:13:54,533 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 17:13:54,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 17:13:54,536 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 17:13:54,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:13:50" (1/3) ... [2018-11-12 17:13:54,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49ad4a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:13:54, skipping insertion in model container [2018-11-12 17:13:54,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:13:50" (2/3) ... [2018-11-12 17:13:54,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49ad4a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:13:54, skipping insertion in model container [2018-11-12 17:13:54,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:13:54" (3/3) ... [2018-11-12 17:13:54,542 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label28_true-unreach-call_false-termination.c [2018-11-12 17:13:54,553 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 17:13:54,563 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 17:13:54,581 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 17:13:54,619 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 17:13:54,619 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 17:13:54,619 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 17:13:54,619 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 17:13:54,619 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 17:13:54,620 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 17:13:54,620 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 17:13:54,620 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 17:13:54,648 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-12 17:13:54,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-12 17:13:54,664 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:13:54,665 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:13:54,668 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:13:54,674 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:13:54,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1188010863, now seen corresponding path program 1 times [2018-11-12 17:13:54,677 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:13:54,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:13:54,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:13:54,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:13:54,728 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:13:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:13:55,297 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 17:13:55,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:13:55,410 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 17:13:55,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-12 17:13:55,411 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:13:55,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 17:13:55,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 17:13:55,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 17:13:55,436 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-12 17:13:57,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:13:57,047 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-11-12 17:13:57,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 17:13:57,050 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2018-11-12 17:13:57,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:13:57,070 INFO L225 Difference]: With dead ends: 618 [2018-11-12 17:13:57,070 INFO L226 Difference]: Without dead ends: 379 [2018-11-12 17:13:57,077 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 [2018-11-12 17:13:57,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-11-12 17:13:57,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-11-12 17:13:57,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-11-12 17:13:57,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 621 transitions. [2018-11-12 17:13:57,177 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 621 transitions. Word has length 131 [2018-11-12 17:13:57,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:13:57,178 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 621 transitions. [2018-11-12 17:13:57,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-12 17:13:57,180 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 621 transitions. [2018-11-12 17:13:57,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-12 17:13:57,186 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:13:57,187 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:13:57,187 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:13:57,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:13:57,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1256593146, now seen corresponding path program 1 times [2018-11-12 17:13:57,188 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:13:57,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:13:57,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:13:57,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:13:57,190 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:13:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:13:57,445 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:13:57,446 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 17:13:57,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 17:13:57,446 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:13:57,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 17:13:57,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 17:13:57,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 17:13:57,449 INFO L87 Difference]: Start difference. First operand 379 states and 621 transitions. Second operand 6 states. [2018-11-12 17:13:59,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:13:59,747 INFO L93 Difference]: Finished difference Result 1229 states and 2094 transitions. [2018-11-12 17:13:59,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-12 17:13:59,750 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-11-12 17:13:59,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:13:59,766 INFO L225 Difference]: With dead ends: 1229 [2018-11-12 17:13:59,767 INFO L226 Difference]: Without dead ends: 856 [2018-11-12 17:13:59,775 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-12 17:13:59,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2018-11-12 17:13:59,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 823. [2018-11-12 17:13:59,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2018-11-12 17:13:59,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1292 transitions. [2018-11-12 17:13:59,846 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1292 transitions. Word has length 147 [2018-11-12 17:13:59,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:13:59,846 INFO L480 AbstractCegarLoop]: Abstraction has 823 states and 1292 transitions. [2018-11-12 17:13:59,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 17:13:59,847 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1292 transitions. [2018-11-12 17:13:59,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-12 17:13:59,859 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:13:59,861 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:13:59,861 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:13:59,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:13:59,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1655989221, now seen corresponding path program 1 times [2018-11-12 17:13:59,862 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:13:59,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:13:59,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:13:59,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:13:59,864 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:13:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:14:00,155 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 17:14:00,223 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:14:00,223 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 17:14:00,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 17:14:00,224 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:14:00,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 17:14:00,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 17:14:00,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 17:14:00,226 INFO L87 Difference]: Start difference. First operand 823 states and 1292 transitions. Second operand 6 states. [2018-11-12 17:14:04,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:14:04,017 INFO L93 Difference]: Finished difference Result 2557 states and 4222 transitions. [2018-11-12 17:14:04,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 17:14:04,018 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 154 [2018-11-12 17:14:04,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:14:04,041 INFO L225 Difference]: With dead ends: 2557 [2018-11-12 17:14:04,042 INFO L226 Difference]: Without dead ends: 1740 [2018-11-12 17:14:04,048 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-12 17:14:04,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2018-11-12 17:14:04,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1682. [2018-11-12 17:14:04,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2018-11-12 17:14:04,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2540 transitions. [2018-11-12 17:14:04,133 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2540 transitions. Word has length 154 [2018-11-12 17:14:04,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:14:04,134 INFO L480 AbstractCegarLoop]: Abstraction has 1682 states and 2540 transitions. [2018-11-12 17:14:04,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 17:14:04,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2540 transitions. [2018-11-12 17:14:04,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-12 17:14:04,141 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:14:04,141 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:14:04,142 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:14:04,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:14:04,142 INFO L82 PathProgramCache]: Analyzing trace with hash -908866867, now seen corresponding path program 1 times [2018-11-12 17:14:04,142 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:14:04,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:14:04,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:14:04,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:14:04,144 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:14:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:14:04,351 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-12 17:14:04,352 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:14:04,352 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:14:04,353 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 157 with the following transitions: [2018-11-12 17:14:04,355 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-12 17:14:04,406 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:14:04,407 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:14:05,252 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 17:14:05,255 INFO L272 AbstractInterpreter]: Visited 132 different actions 132 times. Never merged. Never widened. Performed 1873 root evaluator evaluations with a maximum evaluation depth of 4. Performed 1873 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Never found a fixpoint. Largest state had 38 variables. [2018-11-12 17:14:05,299 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:14:05,299 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 17:14:05,972 INFO L227 lantSequenceWeakener]: Weakened 134 states. On average, predicates are now at 81.46% of their original sizes. [2018-11-12 17:14:05,972 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 17:14:07,046 INFO L415 sIntCurrentIteration]: We unified 155 AI predicates to 155 [2018-11-12 17:14:07,047 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 17:14:07,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 17:14:07,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [6] total 18 [2018-11-12 17:14:07,048 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:14:07,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-12 17:14:07,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-12 17:14:07,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-11-12 17:14:07,050 INFO L87 Difference]: Start difference. First operand 1682 states and 2540 transitions. Second operand 14 states. [2018-11-12 17:14:20,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:14:20,182 INFO L93 Difference]: Finished difference Result 3656 states and 5500 transitions. [2018-11-12 17:14:20,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-12 17:14:20,183 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 156 [2018-11-12 17:14:20,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:14:20,197 INFO L225 Difference]: With dead ends: 3656 [2018-11-12 17:14:20,197 INFO L226 Difference]: Without dead ends: 1980 [2018-11-12 17:14:20,204 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 168 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=193, Invalid=509, Unknown=0, NotChecked=0, Total=702 [2018-11-12 17:14:20,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2018-11-12 17:14:20,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1827. [2018-11-12 17:14:20,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2018-11-12 17:14:20,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2692 transitions. [2018-11-12 17:14:20,263 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2692 transitions. Word has length 156 [2018-11-12 17:14:20,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:14:20,264 INFO L480 AbstractCegarLoop]: Abstraction has 1827 states and 2692 transitions. [2018-11-12 17:14:20,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-12 17:14:20,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2692 transitions. [2018-11-12 17:14:20,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-12 17:14:20,271 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:14:20,272 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:14:20,272 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:14:20,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:14:20,273 INFO L82 PathProgramCache]: Analyzing trace with hash 352439598, now seen corresponding path program 1 times [2018-11-12 17:14:20,273 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:14:20,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:14:20,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:14:20,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:14:20,274 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:14:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:14:20,568 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-12 17:14:20,568 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:14:20,569 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:14:20,569 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 167 with the following transitions: [2018-11-12 17:14:20,569 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-12 17:14:20,575 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:14:20,575 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:14:21,662 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 17:14:21,663 INFO L272 AbstractInterpreter]: Visited 136 different actions 407 times. Merged at 7 different actions 21 times. Never widened. Performed 5581 root evaluator evaluations with a maximum evaluation depth of 5. Performed 5581 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-12 17:14:21,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:14:21,701 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 17:14:22,038 INFO L227 lantSequenceWeakener]: Weakened 163 states. On average, predicates are now at 81.18% of their original sizes. [2018-11-12 17:14:22,038 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 17:14:22,992 INFO L415 sIntCurrentIteration]: We unified 165 AI predicates to 165 [2018-11-12 17:14:22,993 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 17:14:22,993 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 17:14:22,993 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 18 [2018-11-12 17:14:22,993 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:14:22,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-12 17:14:22,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-12 17:14:22,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-12 17:14:22,994 INFO L87 Difference]: Start difference. First operand 1827 states and 2692 transitions. Second operand 11 states. [2018-11-12 17:14:32,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:14:32,264 INFO L93 Difference]: Finished difference Result 5047 states and 7509 transitions. [2018-11-12 17:14:32,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-12 17:14:32,264 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 166 [2018-11-12 17:14:32,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:14:32,281 INFO L225 Difference]: With dead ends: 5047 [2018-11-12 17:14:32,281 INFO L226 Difference]: Without dead ends: 3226 [2018-11-12 17:14:32,289 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 178 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2018-11-12 17:14:32,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3226 states. [2018-11-12 17:14:32,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3226 to 3103. [2018-11-12 17:14:32,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3103 states. [2018-11-12 17:14:32,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3103 states to 3103 states and 4216 transitions. [2018-11-12 17:14:32,378 INFO L78 Accepts]: Start accepts. Automaton has 3103 states and 4216 transitions. Word has length 166 [2018-11-12 17:14:32,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:14:32,378 INFO L480 AbstractCegarLoop]: Abstraction has 3103 states and 4216 transitions. [2018-11-12 17:14:32,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-12 17:14:32,379 INFO L276 IsEmpty]: Start isEmpty. Operand 3103 states and 4216 transitions. [2018-11-12 17:14:32,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-12 17:14:32,388 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:14:32,388 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:14:32,388 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:14:32,389 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:14:32,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1685404542, now seen corresponding path program 1 times [2018-11-12 17:14:32,389 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:14:32,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:14:32,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:14:32,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:14:32,390 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:14:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:14:33,051 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:14:33,051 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:14:33,051 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:14:33,051 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2018-11-12 17:14:33,052 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-12 17:14:33,057 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:14:33,058 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:14:33,803 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 17:14:33,804 INFO L272 AbstractInterpreter]: Visited 136 different actions 401 times. Merged at 7 different actions 17 times. Never widened. Performed 5829 root evaluator evaluations with a maximum evaluation depth of 4. Performed 5829 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-12 17:14:33,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:14:33,812 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 17:14:33,812 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:14:33,812 INFO L192 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 [2018-11-12 17:14:33,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:14:33,827 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 17:14:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:14:33,937 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 17:14:34,047 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-12 17:14:34,047 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 17:14:34,699 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-12 17:14:34,730 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-12 17:14:34,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [10] total 11 [2018-11-12 17:14:34,731 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:14:34,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 17:14:34,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 17:14:34,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-12 17:14:34,734 INFO L87 Difference]: Start difference. First operand 3103 states and 4216 transitions. Second operand 3 states. [2018-11-12 17:14:36,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:14:36,354 INFO L93 Difference]: Finished difference Result 7162 states and 10048 transitions. [2018-11-12 17:14:36,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 17:14:36,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2018-11-12 17:14:36,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:14:36,374 INFO L225 Difference]: With dead ends: 7162 [2018-11-12 17:14:36,374 INFO L226 Difference]: Without dead ends: 4065 [2018-11-12 17:14:36,386 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 335 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-12 17:14:36,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4065 states. [2018-11-12 17:14:36,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4065 to 4053. [2018-11-12 17:14:36,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4053 states. [2018-11-12 17:14:36,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4053 states to 4053 states and 5626 transitions. [2018-11-12 17:14:36,488 INFO L78 Accepts]: Start accepts. Automaton has 4053 states and 5626 transitions. Word has length 168 [2018-11-12 17:14:36,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:14:36,489 INFO L480 AbstractCegarLoop]: Abstraction has 4053 states and 5626 transitions. [2018-11-12 17:14:36,489 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-12 17:14:36,490 INFO L276 IsEmpty]: Start isEmpty. Operand 4053 states and 5626 transitions. [2018-11-12 17:14:36,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-12 17:14:36,503 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:14:36,503 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:14:36,504 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:14:36,504 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:14:36,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1082713084, now seen corresponding path program 1 times [2018-11-12 17:14:36,504 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:14:36,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:14:36,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:14:36,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:14:36,506 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:14:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:14:36,820 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 57 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-12 17:14:36,820 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:14:36,820 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:14:36,821 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 183 with the following transitions: [2018-11-12 17:14:36,821 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-12 17:14:36,824 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:14:36,825 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:14:37,302 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 17:14:37,303 INFO L272 AbstractInterpreter]: Visited 136 different actions 268 times. Merged at 5 different actions 7 times. Never widened. Performed 3794 root evaluator evaluations with a maximum evaluation depth of 4. Performed 3794 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-12 17:14:37,338 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:14:37,339 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 17:14:37,775 INFO L227 lantSequenceWeakener]: Weakened 91 states. On average, predicates are now at 81.5% of their original sizes. [2018-11-12 17:14:37,775 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 17:14:38,646 INFO L415 sIntCurrentIteration]: We unified 181 AI predicates to 181 [2018-11-12 17:14:38,647 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 17:14:38,647 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 17:14:38,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [6] total 22 [2018-11-12 17:14:38,647 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:14:38,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-12 17:14:38,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-12 17:14:38,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2018-11-12 17:14:38,649 INFO L87 Difference]: Start difference. First operand 4053 states and 5626 transitions. Second operand 18 states. [2018-11-12 17:14:50,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:14:50,561 INFO L93 Difference]: Finished difference Result 8999 states and 12459 transitions. [2018-11-12 17:14:50,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-12 17:14:50,561 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 182 [2018-11-12 17:14:50,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:14:50,582 INFO L225 Difference]: With dead ends: 8999 [2018-11-12 17:14:50,582 INFO L226 Difference]: Without dead ends: 4952 [2018-11-12 17:14:50,594 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 195 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=182, Invalid=810, Unknown=0, NotChecked=0, Total=992 [2018-11-12 17:14:50,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4952 states. [2018-11-12 17:14:50,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4952 to 4943. [2018-11-12 17:14:50,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4943 states. [2018-11-12 17:14:50,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4943 states to 4943 states and 6673 transitions. [2018-11-12 17:14:50,724 INFO L78 Accepts]: Start accepts. Automaton has 4943 states and 6673 transitions. Word has length 182 [2018-11-12 17:14:50,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:14:50,725 INFO L480 AbstractCegarLoop]: Abstraction has 4943 states and 6673 transitions. [2018-11-12 17:14:50,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-12 17:14:50,725 INFO L276 IsEmpty]: Start isEmpty. Operand 4943 states and 6673 transitions. [2018-11-12 17:14:50,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-12 17:14:50,739 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:14:50,740 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:14:50,740 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:14:50,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:14:50,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1216814776, now seen corresponding path program 1 times [2018-11-12 17:14:50,741 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:14:50,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:14:50,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:14:50,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:14:50,742 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:14:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:14:51,289 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 69 proven. 35 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-12 17:14:51,290 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:14:51,290 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:14:51,290 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 202 with the following transitions: [2018-11-12 17:14:51,290 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-12 17:14:51,293 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:14:51,293 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:14:52,718 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 17:14:52,718 INFO L272 AbstractInterpreter]: Visited 138 different actions 551 times. Merged at 8 different actions 32 times. Never widened. Performed 8272 root evaluator evaluations with a maximum evaluation depth of 5. Performed 8272 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 8 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-12 17:14:52,724 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:14:52,724 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 17:14:52,977 INFO L227 lantSequenceWeakener]: Weakened 196 states. On average, predicates are now at 81.11% of their original sizes. [2018-11-12 17:14:52,977 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 17:14:53,071 INFO L415 sIntCurrentIteration]: We unified 200 AI predicates to 200 [2018-11-12 17:14:53,071 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 17:14:53,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 17:14:53,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2018-11-12 17:14:53,072 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:14:53,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-12 17:14:53,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-12 17:14:53,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-12 17:14:53,073 INFO L87 Difference]: Start difference. First operand 4943 states and 6673 transitions. Second operand 10 states. [2018-11-12 17:14:59,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:14:59,766 INFO L93 Difference]: Finished difference Result 10586 states and 14373 transitions. [2018-11-12 17:14:59,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-12 17:14:59,767 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 201 [2018-11-12 17:14:59,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:14:59,795 INFO L225 Difference]: With dead ends: 10586 [2018-11-12 17:14:59,795 INFO L226 Difference]: Without dead ends: 5649 [2018-11-12 17:14:59,807 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 209 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2018-11-12 17:14:59,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5649 states. [2018-11-12 17:14:59,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5649 to 5605. [2018-11-12 17:14:59,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5605 states. [2018-11-12 17:14:59,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5605 states to 5605 states and 7479 transitions. [2018-11-12 17:14:59,937 INFO L78 Accepts]: Start accepts. Automaton has 5605 states and 7479 transitions. Word has length 201 [2018-11-12 17:14:59,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:14:59,937 INFO L480 AbstractCegarLoop]: Abstraction has 5605 states and 7479 transitions. [2018-11-12 17:14:59,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-12 17:14:59,938 INFO L276 IsEmpty]: Start isEmpty. Operand 5605 states and 7479 transitions. [2018-11-12 17:14:59,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-12 17:14:59,952 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:14:59,953 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:14:59,953 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:14:59,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:14:59,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1325654793, now seen corresponding path program 1 times [2018-11-12 17:14:59,953 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:14:59,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:14:59,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:14:59,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:14:59,955 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:14:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:15:00,204 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-11-12 17:15:00,499 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 101 proven. 50 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-12 17:15:00,500 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:15:00,500 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:15:00,500 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 212 with the following transitions: [2018-11-12 17:15:00,500 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [91], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-12 17:15:00,502 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:15:00,502 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:15:01,115 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 17:15:01,115 INFO L272 AbstractInterpreter]: Visited 138 different actions 413 times. Merged at 8 different actions 23 times. Never widened. Performed 5957 root evaluator evaluations with a maximum evaluation depth of 6. Performed 5957 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 4 fixpoints after 4 different actions. Largest state had 38 variables. [2018-11-12 17:15:01,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:15:01,124 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 17:15:01,124 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:15:01,124 INFO L192 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 [2018-11-12 17:15:01,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:15:01,134 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 17:15:01,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:15:01,213 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 17:15:01,376 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 138 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-12 17:15:01,376 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 17:15:01,529 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 116 proven. 15 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-12 17:15:01,549 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-12 17:15:01,550 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 16 [2018-11-12 17:15:01,550 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-12 17:15:01,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-12 17:15:01,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-12 17:15:01,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-11-12 17:15:01,551 INFO L87 Difference]: Start difference. First operand 5605 states and 7479 transitions. Second operand 15 states. [2018-11-12 17:15:05,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:15:05,264 INFO L93 Difference]: Finished difference Result 13414 states and 18281 transitions. [2018-11-12 17:15:05,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-12 17:15:05,268 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 211 [2018-11-12 17:15:05,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:15:05,269 INFO L225 Difference]: With dead ends: 13414 [2018-11-12 17:15:05,269 INFO L226 Difference]: Without dead ends: 0 [2018-11-12 17:15:05,310 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 432 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=264, Invalid=666, Unknown=0, NotChecked=0, Total=930 [2018-11-12 17:15:05,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-12 17:15:05,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-12 17:15:05,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-12 17:15:05,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-12 17:15:05,311 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 211 [2018-11-12 17:15:05,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:15:05,312 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-12 17:15:05,312 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-12 17:15:05,312 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-12 17:15:05,312 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-12 17:15:05,318 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-12 17:15:05,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:15:05,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:15:05,687 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 150 [2018-11-12 17:15:05,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:15:05,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:15:05,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:15:05,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:15:05,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:15:05,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:15:05,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:15:05,991 WARN L179 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 171 [2018-11-12 17:15:06,917 WARN L179 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2018-11-12 17:15:07,776 WARN L179 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 77 [2018-11-12 17:15:08,496 WARN L179 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 32 [2018-11-12 17:15:08,961 WARN L179 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 79 [2018-11-12 17:15:09,558 WARN L179 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 79 [2018-11-12 17:15:09,561 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-12 17:15:09,561 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= |old(~a25~0)| ~a25~0)) [2018-11-12 17:15:09,562 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-12 17:15:09,562 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,562 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,562 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,562 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,562 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,562 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-12 17:15:09,562 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-12 17:15:09,562 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-12 17:15:09,562 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-12 17:15:09,562 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-12 17:15:09,563 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-12 17:15:09,563 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-12 17:15:09,563 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-12 17:15:09,563 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-12 17:15:09,563 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-12 17:15:09,563 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-12 17:15:09,563 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-12 17:15:09,563 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-12 17:15:09,563 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,563 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,564 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,564 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,564 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-12 17:15:09,564 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,564 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-12 17:15:09,564 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-12 17:15:09,564 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-12 17:15:09,564 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-12 17:15:09,564 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-12 17:15:09,564 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-12 17:15:09,564 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-12 17:15:09,564 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-12 17:15:09,565 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-12 17:15:09,565 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-12 17:15:09,565 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-12 17:15:09,565 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-12 17:15:09,565 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-12 17:15:09,565 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-12 17:15:09,565 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-12 17:15:09,565 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,565 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,566 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,566 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,566 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,566 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-12 17:15:09,566 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-12 17:15:09,566 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-12 17:15:09,566 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-12 17:15:09,566 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-12 17:15:09,567 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-12 17:15:09,567 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-12 17:15:09,567 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-12 17:15:09,567 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-12 17:15:09,567 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-12 17:15:09,567 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-12 17:15:09,567 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,568 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,568 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,568 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,568 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,568 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-12 17:15:09,568 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-12 17:15:09,568 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-12 17:15:09,568 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-12 17:15:09,568 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-12 17:15:09,568 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-12 17:15:09,568 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-12 17:15:09,568 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-12 17:15:09,569 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-12 17:15:09,569 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-12 17:15:09,569 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-12 17:15:09,569 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-12 17:15:09,569 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-12 17:15:09,569 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,569 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,569 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,569 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,569 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,569 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-12 17:15:09,570 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-12 17:15:09,570 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-12 17:15:09,570 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-12 17:15:09,570 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-12 17:15:09,570 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-12 17:15:09,570 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-12 17:15:09,570 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-12 17:15:09,570 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-12 17:15:09,570 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 544) no Hoare annotation was computed. [2018-11-12 17:15:09,570 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-12 17:15:09,571 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-12 17:15:09,571 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-12 17:15:09,571 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-12 17:15:09,571 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-12 17:15:09,571 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-12 17:15:09,571 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-12 17:15:09,571 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,571 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,571 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,571 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,571 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-12 17:15:09,572 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,572 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-12 17:15:09,572 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,572 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-12 17:15:09,572 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-12 17:15:09,572 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-12 17:15:09,572 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,572 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,572 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-12 17:15:09,573 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-12 17:15:09,573 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-12 17:15:09,573 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-12 17:15:09,573 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-12 17:15:09,573 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-12 17:15:09,573 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-12 17:15:09,573 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-12 17:15:09,573 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-12 17:15:09,574 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-12 17:15:09,574 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-12 17:15:09,574 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,574 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,574 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,574 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,574 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,574 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,574 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-12 17:15:09,574 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-12 17:15:09,575 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-12 17:15:09,575 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-12 17:15:09,575 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-12 17:15:09,575 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-12 17:15:09,575 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-12 17:15:09,575 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-12 17:15:09,575 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-12 17:15:09,575 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-12 17:15:09,575 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-12 17:15:09,576 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,576 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,576 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,576 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,576 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,576 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,576 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-12 17:15:09,576 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-12 17:15:09,576 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-12 17:15:09,577 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-12 17:15:09,577 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-12 17:15:09,577 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-12 17:15:09,577 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-12 17:15:09,577 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-12 17:15:09,577 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-12 17:15:09,577 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-12 17:15:09,577 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-12 17:15:09,577 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-12 17:15:09,577 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-12 17:15:09,578 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-12 17:15:09,578 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,578 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,578 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,578 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse3 (= |old(~a28~0)| ~a28~0)) (.cse4 (= |old(~a19~0)| ~a19~0)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse6 (= |old(~a25~0)| ~a25~0))) (let ((.cse0 (< 10 |old(~a28~0)|)) (.cse1 (and .cse3 .cse4 .cse5 (= ~a17~0 |old(~a17~0)|) .cse6)) (.cse2 (not (= |old(~a17~0)| 8)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (and .cse3 .cse4 .cse5 (= 7 ~a17~0) .cse6) (not (= 7 |old(~a17~0)|))) (or .cse1 .cse2 (= |old(~a11~0)| |old(~a19~0)|))))) [2018-11-12 17:15:09,578 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,578 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,579 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,579 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-12 17:15:09,579 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-12 17:15:09,579 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-12 17:15:09,579 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-12 17:15:09,579 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-12 17:15:09,579 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-12 17:15:09,579 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-12 17:15:09,580 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-12 17:15:09,580 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-12 17:15:09,580 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-12 17:15:09,580 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-12 17:15:09,580 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-12 17:15:09,580 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-12 17:15:09,580 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,580 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,580 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,581 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,581 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,581 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,581 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-12 17:15:09,581 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-12 17:15:09,581 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-12 17:15:09,581 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-12 17:15:09,581 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-12 17:15:09,581 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-12 17:15:09,581 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-12 17:15:09,582 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-12 17:15:09,582 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-12 17:15:09,582 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-12 17:15:09,582 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-12 17:15:09,582 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-12 17:15:09,582 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-12 17:15:09,582 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-12 17:15:09,582 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-12 17:15:09,582 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-12 17:15:09,583 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,583 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,583 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,583 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,583 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:15:09,583 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-12 17:15:09,583 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-12 17:15:09,583 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-12 17:15:09,583 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-12 17:15:09,583 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-12 17:15:09,584 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-12 17:15:09,584 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-12 17:15:09,584 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-12 17:15:09,584 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-12 17:15:09,584 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-12 17:15:09,584 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-12 17:15:09,584 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-12 17:15:09,584 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-12 17:15:09,584 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-12 17:15:09,584 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-12 17:15:09,585 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-12 17:15:09,585 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-12 17:15:09,585 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-12 17:15:09,585 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-12 17:15:09,585 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-12 17:15:09,585 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~z~0 26) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a~0 1) (= ~a19~0 1) (= ~a28~0 7)) [2018-11-12 17:15:09,585 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-12 17:15:09,586 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-12 17:15:09,586 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (and (= ~a25~0 0) (= ~a19~0 1) (= ~a11~0 |old(~a11~0)|) (= |old(~a28~0)| ~a28~0) (= ~a17~0 8)) (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-11-12 17:15:09,586 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-12 17:15:09,586 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse0 (= |old(~a17~0)| ~a17~0)) (.cse1 (<= ~a28~0 10))) (or (and .cse0 (not (= ~a19~0 ~a11~0))) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and (= 7 ~a17~0) .cse1) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (and .cse0 .cse1) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0)))) [2018-11-12 17:15:09,586 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-12 17:15:09,586 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-12 17:15:09,587 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= |old(~a17~0)| ~a17~0)) (.cse1 (<= ~a28~0 10))) (or (and .cse0 (not (= ~a19~0 ~a11~0))) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and (= 7 ~a17~0) .cse1) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (and .cse0 .cse1) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0)))) [2018-11-12 17:15:09,587 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-12 17:15:09,587 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-12 17:15:09,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 05:15:09 BoogieIcfgContainer [2018-11-12 17:15:09,600 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 17:15:09,601 INFO L168 Benchmark]: Toolchain (without parser) took 79419.55 ms. Allocated memory was 1.6 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -333.5 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-11-12 17:15:09,602 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-12 17:15:09,603 INFO L168 Benchmark]: CACSL2BoogieTranslator took 772.61 ms. Allocated memory is still 1.6 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. [2018-11-12 17:15:09,603 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.92 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 760.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -837.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. [2018-11-12 17:15:09,604 INFO L168 Benchmark]: Boogie Preprocessor took 110.41 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. [2018-11-12 17:15:09,605 INFO L168 Benchmark]: RCFGBuilder took 3340.73 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: 102.8 MB). Peak memory consumption was 102.8 MB. Max. memory is 7.1 GB. [2018-11-12 17:15:09,606 INFO L168 Benchmark]: TraceAbstraction took 75067.41 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 369.8 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-11-12 17:15:09,610 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 772.61 ms. Allocated memory is still 1.6 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 123.92 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 760.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -837.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.41 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 3340.73 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: 102.8 MB). Peak memory consumption was 102.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 75067.41 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 369.8 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 544]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((((((((\old(a17) == a17 && !(a19 == a11)) || !(a21 == 1)) || !(y == 25)) || (7 == a17 && a28 <= 10)) || !(1 == \old(a19))) || !(x == 24)) || !(e == 5)) || !(d == 4)) || !(21 == u)) || !(22 == v)) || !(\old(a11) == 0)) || (\old(a17) == a17 && a28 <= 10)) || !(z == 26)) || !(0 == \old(a25))) || !(3 == c)) || !(23 == w)) || !(\old(a28) == 7)) || !(a == 1)) || !(\old(a17) == 8)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 74.9s OverallTime, 9 OverallIterations, 6 TraceHistogramMax, 54.3s AutomataDifference, 0.0s DeadEndRemovalTime, 4.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1569 SDtfs, 8543 SDslu, 2446 SDs, 0 SdLazy, 11587 SolverSat, 2094 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.8s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1587 GetRequests, 1429 SyntacticMatches, 11 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 748 ImplicationChecksByTransitivity, 6.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5605occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.4s AbstIntTime, 6 AbstIntIterations, 4 AbstIntStrong, 0.9964977192635157 AbsIntWeakeningRatio, 0.23395149786019973 AbsIntAvgWeakeningVarsNumRemoved, 25.911554921540656 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 432 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 173 PreInvPairs, 260 NumberOfFragments, 411 HoareAnnotationTreeSize, 173 FomulaSimplifications, 14084 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8271 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 1895 NumberOfCodeBlocks, 1895 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2261 ConstructedInterpolants, 0 QuantifiedInterpolants, 925684 SizeOfPredicates, 2 NumberOfNonLiveVariables, 991 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 831/992 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...