java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label30_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 06:13:13,595 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:13:13,598 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:13:13,612 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:13:13,612 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:13:13,614 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:13:13,615 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:13:13,617 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:13:13,620 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:13:13,620 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:13:13,623 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:13:13,623 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:13:13,625 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:13:13,626 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:13:13,629 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:13:13,630 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:13:13,631 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:13:13,634 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:13:13,636 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:13:13,640 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:13:13,641 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:13:13,650 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:13:13,653 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:13:13,655 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:13:13,655 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:13:13,656 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:13:13,659 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:13:13,660 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:13:13,661 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:13:13,662 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:13:13,662 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:13:13,662 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:13:13,665 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:13:13,666 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:13:13,667 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:13:13,667 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:13:13,667 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-27 06:13:13,697 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:13:13,700 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:13:13,701 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 06:13:13,701 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 06:13:13,702 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 06:13:13,702 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 06:13:13,702 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-27 06:13:13,702 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 06:13:13,702 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 06:13:13,703 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 06:13:13,703 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 06:13:13,703 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 06:13:13,703 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 06:13:13,703 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 06:13:13,705 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:13:13,705 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:13:13,705 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:13:13,705 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 06:13:13,705 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 06:13:13,706 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 06:13:13,706 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:13:13,706 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 06:13:13,706 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:13:13,706 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:13:13,708 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 06:13:13,709 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 06:13:13,709 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 06:13:13,709 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:13:13,709 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 06:13:13,709 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 06:13:13,710 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 06:13:13,710 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 06:13:13,710 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 06:13:13,711 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 06:13:13,711 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 06:13:13,711 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 06:13:13,781 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:13:13,797 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:13:13,802 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:13:13,803 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:13:13,804 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:13:13,805 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label30_true-unreach-call_false-termination.c [2018-10-27 06:13:13,869 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e3aac75ac/fea4d8283c1747c6973c67d7010e613d/FLAG2c3c7c836 [2018-10-27 06:13:14,406 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:13:14,406 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label30_true-unreach-call_false-termination.c [2018-10-27 06:13:14,420 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e3aac75ac/fea4d8283c1747c6973c67d7010e613d/FLAG2c3c7c836 [2018-10-27 06:13:14,441 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e3aac75ac/fea4d8283c1747c6973c67d7010e613d [2018-10-27 06:13:14,453 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:13:14,455 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 06:13:14,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:13:14,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:13:14,462 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:13:14,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:13:14" (1/1) ... [2018-10-27 06:13:14,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@777de76b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:14, skipping insertion in model container [2018-10-27 06:13:14,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:13:14" (1/1) ... [2018-10-27 06:13:14,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:13:14,555 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:13:15,074 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:13:15,079 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:13:15,191 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:13:15,208 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:13:15,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:15 WrapperNode [2018-10-27 06:13:15,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:13:15,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:13:15,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:13:15,210 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:13:15,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:15" (1/1) ... [2018-10-27 06:13:15,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:15" (1/1) ... [2018-10-27 06:13:15,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:13:15,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:13:15,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:13:15,381 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:13:15,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:15" (1/1) ... [2018-10-27 06:13:15,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:15" (1/1) ... [2018-10-27 06:13:15,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:15" (1/1) ... [2018-10-27 06:13:15,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:15" (1/1) ... [2018-10-27 06:13:15,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:15" (1/1) ... [2018-10-27 06:13:15,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:15" (1/1) ... [2018-10-27 06:13:15,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:15" (1/1) ... [2018-10-27 06:13:15,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:13:15,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:13:15,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:13:15,447 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:13:15,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 06:13:15,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 06:13:15,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 06:13:15,524 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 06:13:15,524 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 06:13:15,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:13:15,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:13:15,525 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 06:13:15,525 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 06:13:18,844 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:13:18,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:13:18 BoogieIcfgContainer [2018-10-27 06:13:18,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:13:18,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 06:13:18,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 06:13:18,850 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 06:13:18,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:13:14" (1/3) ... [2018-10-27 06:13:18,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66d53653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:13:18, skipping insertion in model container [2018-10-27 06:13:18,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:13:15" (2/3) ... [2018-10-27 06:13:18,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66d53653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:13:18, skipping insertion in model container [2018-10-27 06:13:18,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:13:18" (3/3) ... [2018-10-27 06:13:18,854 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label30_true-unreach-call_false-termination.c [2018-10-27 06:13:18,864 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 06:13:18,874 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 06:13:18,892 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 06:13:18,926 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 06:13:18,926 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 06:13:18,926 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 06:13:18,926 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:13:18,927 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:13:18,927 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 06:13:18,927 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:13:18,927 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 06:13:18,953 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-10-27 06:13:18,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-27 06:13:18,969 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:13:18,970 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, 1, 1, 1, 1] [2018-10-27 06:13:18,972 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:13:18,978 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:18,979 INFO L82 PathProgramCache]: Analyzing trace with hash -564012609, now seen corresponding path program 1 times [2018-10-27 06:13:18,981 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:13:19,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:19,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:19,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:19,031 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:13:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:19,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:13:19,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:13:19,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 06:13:19,656 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:13:19,663 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 06:13:19,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 06:13:19,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 06:13:19,685 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-10-27 06:13:21,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:13:21,122 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-10-27 06:13:21,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 06:13:21,126 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2018-10-27 06:13:21,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:13:21,146 INFO L225 Difference]: With dead ends: 618 [2018-10-27 06:13:21,146 INFO L226 Difference]: Without dead ends: 379 [2018-10-27 06:13:21,153 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 06:13:21,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-10-27 06:13:21,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-10-27 06:13:21,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-10-27 06:13:21,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 621 transitions. [2018-10-27 06:13:21,233 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 621 transitions. Word has length 135 [2018-10-27 06:13:21,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:13:21,234 INFO L481 AbstractCegarLoop]: Abstraction has 379 states and 621 transitions. [2018-10-27 06:13:21,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 06:13:21,234 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 621 transitions. [2018-10-27 06:13:21,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-10-27 06:13:21,241 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:13:21,242 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, 1, 1, 1, 1] [2018-10-27 06:13:21,242 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:13:21,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:21,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1268148278, now seen corresponding path program 1 times [2018-10-27 06:13:21,243 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:13:21,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:21,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:21,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:21,247 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:13:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:21,472 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:13:21,473 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:13:21,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 06:13:21,473 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:13:21,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 06:13:21,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 06:13:21,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 06:13:21,476 INFO L87 Difference]: Start difference. First operand 379 states and 621 transitions. Second operand 6 states. [2018-10-27 06:13:23,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:13:23,630 INFO L93 Difference]: Finished difference Result 1231 states and 2094 transitions. [2018-10-27 06:13:23,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-27 06:13:23,634 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 151 [2018-10-27 06:13:23,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:13:23,644 INFO L225 Difference]: With dead ends: 1231 [2018-10-27 06:13:23,644 INFO L226 Difference]: Without dead ends: 858 [2018-10-27 06:13:23,649 INFO L605 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 [2018-10-27 06:13:23,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2018-10-27 06:13:23,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 821. [2018-10-27 06:13:23,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2018-10-27 06:13:23,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1290 transitions. [2018-10-27 06:13:23,721 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1290 transitions. Word has length 151 [2018-10-27 06:13:23,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:13:23,721 INFO L481 AbstractCegarLoop]: Abstraction has 821 states and 1290 transitions. [2018-10-27 06:13:23,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 06:13:23,722 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1290 transitions. [2018-10-27 06:13:23,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-27 06:13:23,734 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:13:23,734 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, 1, 1, 1, 1] [2018-10-27 06:13:23,735 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:13:23,735 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:23,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1898018613, now seen corresponding path program 1 times [2018-10-27 06:13:23,736 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:13:23,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:23,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:23,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:23,738 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:13:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:24,032 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 06:13:24,164 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:13:24,165 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 06:13:24,165 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 06:13:24,165 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:13:24,166 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 06:13:24,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 06:13:24,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 06:13:24,167 INFO L87 Difference]: Start difference. First operand 821 states and 1290 transitions. Second operand 6 states. [2018-10-27 06:13:27,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:13:27,803 INFO L93 Difference]: Finished difference Result 2553 states and 4218 transitions. [2018-10-27 06:13:27,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 06:13:27,804 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 158 [2018-10-27 06:13:27,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:13:27,829 INFO L225 Difference]: With dead ends: 2553 [2018-10-27 06:13:27,829 INFO L226 Difference]: Without dead ends: 1738 [2018-10-27 06:13:27,835 INFO L605 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 [2018-10-27 06:13:27,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2018-10-27 06:13:27,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 1680. [2018-10-27 06:13:27,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1680 states. [2018-10-27 06:13:27,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 2538 transitions. [2018-10-27 06:13:27,923 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 2538 transitions. Word has length 158 [2018-10-27 06:13:27,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:13:27,924 INFO L481 AbstractCegarLoop]: Abstraction has 1680 states and 2538 transitions. [2018-10-27 06:13:27,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 06:13:27,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2538 transitions. [2018-10-27 06:13:27,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-27 06:13:27,932 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:13:27,932 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, 1, 1, 1, 1] [2018-10-27 06:13:27,932 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:13:27,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:27,933 INFO L82 PathProgramCache]: Analyzing trace with hash -622646755, now seen corresponding path program 1 times [2018-10-27 06:13:27,933 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:13:27,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:27,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:27,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:27,934 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:13:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:28,131 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 06:13:28,131 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:13:28,132 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:13:28,133 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-10-27 06:13:28,135 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], [723], [731], [739], [747], [751], [753], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 06:13:28,207 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:13:28,208 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:13:28,851 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 06:13:28,854 INFO L272 AbstractInterpreter]: Visited 136 different actions 136 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-10-27 06:13:28,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:28,873 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 06:13:29,333 INFO L227 lantSequenceWeakener]: Weakened 151 states. On average, predicates are now at 81.26% of their original sizes. [2018-10-27 06:13:29,333 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 06:13:29,502 INFO L415 sIntCurrentIteration]: We unified 159 AI predicates to 159 [2018-10-27 06:13:29,502 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 06:13:29,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:13:29,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-10-27 06:13:29,503 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:13:29,504 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 06:13:29,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 06:13:29,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 06:13:29,505 INFO L87 Difference]: Start difference. First operand 1680 states and 2538 transitions. Second operand 6 states. [2018-10-27 06:13:37,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:13:37,496 INFO L93 Difference]: Finished difference Result 3502 states and 5277 transitions. [2018-10-27 06:13:37,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 06:13:37,496 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2018-10-27 06:13:37,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:13:37,507 INFO L225 Difference]: With dead ends: 3502 [2018-10-27 06:13:37,507 INFO L226 Difference]: Without dead ends: 1828 [2018-10-27 06:13:37,513 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 160 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-27 06:13:37,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1828 states. [2018-10-27 06:13:37,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1828 to 1825. [2018-10-27 06:13:37,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1825 states. [2018-10-27 06:13:37,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 1825 states and 2690 transitions. [2018-10-27 06:13:37,563 INFO L78 Accepts]: Start accepts. Automaton has 1825 states and 2690 transitions. Word has length 160 [2018-10-27 06:13:37,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:13:37,563 INFO L481 AbstractCegarLoop]: Abstraction has 1825 states and 2690 transitions. [2018-10-27 06:13:37,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 06:13:37,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2690 transitions. [2018-10-27 06:13:37,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-27 06:13:37,571 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:13:37,571 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, 1, 1, 1, 1] [2018-10-27 06:13:37,572 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:13:37,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:37,572 INFO L82 PathProgramCache]: Analyzing trace with hash 9901054, now seen corresponding path program 1 times [2018-10-27 06:13:37,572 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:13:37,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:37,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:37,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:37,574 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:13:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:37,836 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 06:13:37,837 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:13:37,837 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:13:37,837 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 171 with the following transitions: [2018-10-27 06:13:37,838 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], [723], [731], [739], [747], [751], [753], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 06:13:37,844 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:13:37,844 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:13:38,226 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 06:13:38,226 INFO L272 AbstractInterpreter]: Visited 140 different actions 419 times. Merged at 7 different actions 21 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-10-27 06:13:38,264 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:38,265 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 06:13:38,489 INFO L227 lantSequenceWeakener]: Weakened 167 states. On average, predicates are now at 84.95% of their original sizes. [2018-10-27 06:13:38,489 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 06:13:38,685 INFO L415 sIntCurrentIteration]: We unified 169 AI predicates to 169 [2018-10-27 06:13:38,685 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 06:13:38,685 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:13:38,685 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-10-27 06:13:38,686 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:13:38,686 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 06:13:38,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 06:13:38,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-27 06:13:38,687 INFO L87 Difference]: Start difference. First operand 1825 states and 2690 transitions. Second operand 9 states. [2018-10-27 06:13:45,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:13:45,688 INFO L93 Difference]: Finished difference Result 4527 states and 6707 transitions. [2018-10-27 06:13:45,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-27 06:13:45,689 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 170 [2018-10-27 06:13:45,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:13:45,703 INFO L225 Difference]: With dead ends: 4527 [2018-10-27 06:13:45,704 INFO L226 Difference]: Without dead ends: 2708 [2018-10-27 06:13:45,711 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 177 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-10-27 06:13:45,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2708 states. [2018-10-27 06:13:45,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2708 to 2631. [2018-10-27 06:13:45,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2631 states. [2018-10-27 06:13:45,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2631 states to 2631 states and 3698 transitions. [2018-10-27 06:13:45,788 INFO L78 Accepts]: Start accepts. Automaton has 2631 states and 3698 transitions. Word has length 170 [2018-10-27 06:13:45,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:13:45,789 INFO L481 AbstractCegarLoop]: Abstraction has 2631 states and 3698 transitions. [2018-10-27 06:13:45,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 06:13:45,789 INFO L276 IsEmpty]: Start isEmpty. Operand 2631 states and 3698 transitions. [2018-10-27 06:13:45,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-27 06:13:45,798 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:13:45,799 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, 1, 1, 1, 1] [2018-10-27 06:13:45,799 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:13:45,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:45,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1896536654, now seen corresponding path program 1 times [2018-10-27 06:13:45,800 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:13:45,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:45,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:45,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:45,801 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:13:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:46,061 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 06:13:46,062 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:13:46,062 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:13:46,062 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-10-27 06:13:46,063 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], [723], [731], [739], [747], [751], [753], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 06:13:46,067 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:13:46,068 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:13:46,479 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 06:13:46,480 INFO L272 AbstractInterpreter]: Visited 140 different actions 414 times. Merged at 7 different actions 18 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-27 06:13:46,487 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:46,488 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 06:13:46,488 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:13:46,488 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 06:13:46,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:46,500 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 06:13:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:46,609 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:13:46,808 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 06:13:46,808 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 06:13:47,205 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 06:13:47,238 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:13:47,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-10-27 06:13:47,238 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:13:47,240 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 06:13:47,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 06:13:47,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-27 06:13:47,240 INFO L87 Difference]: Start difference. First operand 2631 states and 3698 transitions. Second operand 3 states. [2018-10-27 06:13:49,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:13:49,090 INFO L93 Difference]: Finished difference Result 7343 states and 10759 transitions. [2018-10-27 06:13:49,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 06:13:49,091 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2018-10-27 06:13:49,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:13:49,123 INFO L225 Difference]: With dead ends: 7343 [2018-10-27 06:13:49,124 INFO L226 Difference]: Without dead ends: 4718 [2018-10-27 06:13:49,139 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 346 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-27 06:13:49,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4718 states. [2018-10-27 06:13:49,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4718 to 4714. [2018-10-27 06:13:49,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4714 states. [2018-10-27 06:13:49,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4714 states to 4714 states and 6322 transitions. [2018-10-27 06:13:49,276 INFO L78 Accepts]: Start accepts. Automaton has 4714 states and 6322 transitions. Word has length 172 [2018-10-27 06:13:49,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:13:49,277 INFO L481 AbstractCegarLoop]: Abstraction has 4714 states and 6322 transitions. [2018-10-27 06:13:49,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 06:13:49,277 INFO L276 IsEmpty]: Start isEmpty. Operand 4714 states and 6322 transitions. [2018-10-27 06:13:49,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-27 06:13:49,294 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:13:49,295 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:13:49,295 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:13:49,295 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:49,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1363408600, now seen corresponding path program 1 times [2018-10-27 06:13:49,298 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:13:49,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:49,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:49,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:49,299 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:13:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:49,543 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 06:13:49,698 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:13:49,698 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:13:49,699 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:13:49,699 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-10-27 06:13:49,699 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [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], [723], [731], [739], [747], [751], [753], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 06:13:49,705 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:13:49,705 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:13:50,130 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 06:13:50,130 INFO L272 AbstractInterpreter]: Visited 139 different actions 413 times. Merged at 7 different actions 18 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-27 06:13:50,168 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:50,169 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 06:13:50,431 INFO L227 lantSequenceWeakener]: Weakened 178 states. On average, predicates are now at 84.82% of their original sizes. [2018-10-27 06:13:50,432 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 06:13:50,825 INFO L415 sIntCurrentIteration]: We unified 180 AI predicates to 180 [2018-10-27 06:13:50,825 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 06:13:50,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 06:13:50,826 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-10-27 06:13:50,826 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 06:13:50,826 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 06:13:50,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 06:13:50,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-27 06:13:50,827 INFO L87 Difference]: Start difference. First operand 4714 states and 6322 transitions. Second operand 9 states. [2018-10-27 06:13:57,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:13:57,716 INFO L93 Difference]: Finished difference Result 11227 states and 15413 transitions. [2018-10-27 06:13:57,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-27 06:13:57,716 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 181 [2018-10-27 06:13:57,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:13:57,750 INFO L225 Difference]: With dead ends: 11227 [2018-10-27 06:13:57,750 INFO L226 Difference]: Without dead ends: 6519 [2018-10-27 06:13:57,772 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 188 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-10-27 06:13:57,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6519 states. [2018-10-27 06:13:57,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6519 to 6436. [2018-10-27 06:13:57,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6436 states. [2018-10-27 06:13:57,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6436 states to 6436 states and 8373 transitions. [2018-10-27 06:13:57,922 INFO L78 Accepts]: Start accepts. Automaton has 6436 states and 8373 transitions. Word has length 181 [2018-10-27 06:13:57,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:13:57,923 INFO L481 AbstractCegarLoop]: Abstraction has 6436 states and 8373 transitions. [2018-10-27 06:13:57,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 06:13:57,923 INFO L276 IsEmpty]: Start isEmpty. Operand 6436 states and 8373 transitions. [2018-10-27 06:13:57,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-10-27 06:13:57,941 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:13:57,941 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:13:57,942 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:13:57,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:57,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1196143742, now seen corresponding path program 1 times [2018-10-27 06:13:57,942 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:13:57,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:57,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:57,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:13:57,944 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:13:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:58,175 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 06:13:58,534 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 74 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-27 06:13:58,534 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:13:58,534 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:13:58,534 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 206 with the following transitions: [2018-10-27 06:13:58,535 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [99], [100], [104], [107], [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], [723], [731], [739], [747], [751], [753], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 06:13:58,539 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:13:58,540 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:13:59,328 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 06:13:59,329 INFO L272 AbstractInterpreter]: Visited 141 different actions 561 times. Merged at 8 different actions 33 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-27 06:13:59,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:13:59,371 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 06:13:59,371 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:13:59,371 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 06:13:59,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:13:59,388 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 06:13:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:13:59,491 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:13:59,635 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-27 06:13:59,635 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 06:13:59,731 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 74 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-27 06:13:59,752 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 06:13:59,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-10-27 06:13:59,752 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 06:13:59,754 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 06:13:59,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 06:13:59,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-10-27 06:13:59,754 INFO L87 Difference]: Start difference. First operand 6436 states and 8373 transitions. Second operand 9 states. [2018-10-27 06:14:01,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:14:01,247 INFO L93 Difference]: Finished difference Result 13967 states and 18310 transitions. [2018-10-27 06:14:01,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 06:14:01,248 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 205 [2018-10-27 06:14:01,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:14:01,277 INFO L225 Difference]: With dead ends: 13967 [2018-10-27 06:14:01,277 INFO L226 Difference]: Without dead ends: 6027 [2018-10-27 06:14:01,298 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 409 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-10-27 06:14:01,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6027 states. [2018-10-27 06:14:01,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6027 to 5909. [2018-10-27 06:14:01,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5909 states. [2018-10-27 06:14:01,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5909 states to 5909 states and 7078 transitions. [2018-10-27 06:14:01,437 INFO L78 Accepts]: Start accepts. Automaton has 5909 states and 7078 transitions. Word has length 205 [2018-10-27 06:14:01,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:14:01,437 INFO L481 AbstractCegarLoop]: Abstraction has 5909 states and 7078 transitions. [2018-10-27 06:14:01,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 06:14:01,438 INFO L276 IsEmpty]: Start isEmpty. Operand 5909 states and 7078 transitions. [2018-10-27 06:14:01,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-27 06:14:01,453 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:14:01,453 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:14:01,453 INFO L424 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:14:01,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:14:01,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1052905866, now seen corresponding path program 1 times [2018-10-27 06:14:01,454 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:14:01,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:14:01,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:14:01,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:14:01,455 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:14:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:14:01,882 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 82 proven. 28 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 06:14:01,882 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:14:01,882 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:14:01,883 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 210 with the following transitions: [2018-10-27 06:14:01,883 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [99], [100], [104], [107], [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], [723], [731], [739], [747], [751], [753], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 06:14:01,886 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:14:01,887 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:14:02,381 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 06:14:02,381 INFO L272 AbstractInterpreter]: Visited 141 different actions 557 times. Merged at 8 different actions 29 times. Never widened. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-27 06:14:02,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:14:02,419 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 06:14:02,419 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:14:02,419 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 06:14:02,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:14:02,434 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 06:14:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:14:02,516 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:14:02,598 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 06:14:02,599 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 06:14:02,739 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 06:14:02,759 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 06:14:02,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2018-10-27 06:14:02,760 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 06:14:02,760 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 06:14:02,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 06:14:02,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-10-27 06:14:02,761 INFO L87 Difference]: Start difference. First operand 5909 states and 7078 transitions. Second operand 9 states. [2018-10-27 06:14:07,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:14:07,244 INFO L93 Difference]: Finished difference Result 15891 states and 19411 transitions. [2018-10-27 06:14:07,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-10-27 06:14:07,247 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 209 [2018-10-27 06:14:07,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:14:07,276 INFO L225 Difference]: With dead ends: 15891 [2018-10-27 06:14:07,276 INFO L226 Difference]: Without dead ends: 9180 [2018-10-27 06:14:07,293 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 430 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=234, Invalid=822, Unknown=0, NotChecked=0, Total=1056 [2018-10-27 06:14:07,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9180 states. [2018-10-27 06:14:07,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9180 to 8310. [2018-10-27 06:14:07,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8310 states. [2018-10-27 06:14:07,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8310 states to 8310 states and 9420 transitions. [2018-10-27 06:14:07,476 INFO L78 Accepts]: Start accepts. Automaton has 8310 states and 9420 transitions. Word has length 209 [2018-10-27 06:14:07,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:14:07,476 INFO L481 AbstractCegarLoop]: Abstraction has 8310 states and 9420 transitions. [2018-10-27 06:14:07,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 06:14:07,476 INFO L276 IsEmpty]: Start isEmpty. Operand 8310 states and 9420 transitions. [2018-10-27 06:14:07,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-10-27 06:14:07,497 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 06:14:07,498 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-27 06:14:07,498 INFO L424 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 06:14:07,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:14:07,498 INFO L82 PathProgramCache]: Analyzing trace with hash -763570810, now seen corresponding path program 1 times [2018-10-27 06:14:07,499 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 06:14:07,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:14:07,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:14:07,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:14:07,500 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 06:14:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:14:07,785 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-10-27 06:14:08,159 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-27 06:14:08,357 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 165 proven. 84 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 06:14:08,357 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:14:08,358 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 06:14:08,358 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 282 with the following transitions: [2018-10-27 06:14:08,358 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], [190], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [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], [723], [731], [739], [747], [751], [753], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 06:14:08,361 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 06:14:08,361 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 06:14:08,659 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 06:14:08,660 INFO L272 AbstractInterpreter]: Visited 144 different actions 426 times. Merged at 9 different actions 22 times. Never widened. Found 5 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-27 06:14:08,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:14:08,666 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 06:14:08,666 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 06:14:08,666 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 06:14:08,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:14:08,675 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 06:14:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:14:08,770 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:14:08,992 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 202 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-27 06:14:08,992 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 06:14:09,468 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 180 proven. 49 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-27 06:14:09,490 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 06:14:09,490 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 16 [2018-10-27 06:14:09,490 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 06:14:09,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-27 06:14:09,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-27 06:14:09,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-10-27 06:14:09,492 INFO L87 Difference]: Start difference. First operand 8310 states and 9420 transitions. Second operand 15 states. [2018-10-27 06:14:12,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 06:14:12,485 INFO L93 Difference]: Finished difference Result 13956 states and 15919 transitions. [2018-10-27 06:14:12,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-10-27 06:14:12,485 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 281 [2018-10-27 06:14:12,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 06:14:12,486 INFO L225 Difference]: With dead ends: 13956 [2018-10-27 06:14:12,486 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 06:14:12,505 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 604 GetRequests, 572 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=264, Invalid=666, Unknown=0, NotChecked=0, Total=930 [2018-10-27 06:14:12,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 06:14:12,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 06:14:12,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 06:14:12,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 06:14:12,507 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 281 [2018-10-27 06:14:12,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 06:14:12,507 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:14:12,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-27 06:14:12,507 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 06:14:12,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 06:14:12,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 06:14:12,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 06:14:12,885 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 95 [2018-10-27 06:14:13,096 WARN L179 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 17 [2018-10-27 06:14:13,569 WARN L179 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 34 [2018-10-27 06:14:14,768 WARN L179 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 174 DAG size of output: 68 [2018-10-27 06:14:15,215 WARN L179 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 57 [2018-10-27 06:14:15,888 WARN L179 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 60 [2018-10-27 06:14:15,891 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 06:14:15,891 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)|) (= ~a25~0 |old(~a25~0)|)) [2018-10-27 06:14:15,891 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 06:14:15,891 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,891 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,891 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,891 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,892 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,892 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-10-27 06:14:15,892 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-10-27 06:14:15,892 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-10-27 06:14:15,892 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-10-27 06:14:15,892 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-10-27 06:14:15,892 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-10-27 06:14:15,892 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-10-27 06:14:15,893 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-10-27 06:14:15,893 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-10-27 06:14:15,893 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-10-27 06:14:15,893 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-10-27 06:14:15,893 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-10-27 06:14:15,893 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-10-27 06:14:15,893 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,893 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,893 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,893 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,893 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-10-27 06:14:15,894 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,894 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-10-27 06:14:15,894 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-10-27 06:14:15,894 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-10-27 06:14:15,894 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-10-27 06:14:15,894 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-10-27 06:14:15,894 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-10-27 06:14:15,894 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-10-27 06:14:15,894 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-10-27 06:14:15,894 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-10-27 06:14:15,894 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-10-27 06:14:15,894 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-10-27 06:14:15,895 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-10-27 06:14:15,895 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-10-27 06:14:15,895 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-10-27 06:14:15,895 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-10-27 06:14:15,895 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,895 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,895 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,895 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,895 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,895 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-10-27 06:14:15,896 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-10-27 06:14:15,896 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-10-27 06:14:15,896 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-10-27 06:14:15,896 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-10-27 06:14:15,896 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-10-27 06:14:15,896 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-10-27 06:14:15,896 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-10-27 06:14:15,896 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-10-27 06:14:15,896 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-10-27 06:14:15,896 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-10-27 06:14:15,897 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,897 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,897 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,897 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,897 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,897 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-10-27 06:14:15,897 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-10-27 06:14:15,897 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-10-27 06:14:15,898 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-10-27 06:14:15,898 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-10-27 06:14:15,898 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-10-27 06:14:15,898 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-10-27 06:14:15,898 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-10-27 06:14:15,898 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-10-27 06:14:15,898 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-10-27 06:14:15,898 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-10-27 06:14:15,898 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-10-27 06:14:15,898 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-10-27 06:14:15,898 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,898 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,898 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,899 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,899 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,899 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-10-27 06:14:15,899 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-10-27 06:14:15,899 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-10-27 06:14:15,899 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-10-27 06:14:15,899 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-10-27 06:14:15,899 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-10-27 06:14:15,900 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-10-27 06:14:15,900 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-10-27 06:14:15,900 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-10-27 06:14:15,900 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-10-27 06:14:15,900 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-10-27 06:14:15,900 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-10-27 06:14:15,900 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-10-27 06:14:15,900 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-10-27 06:14:15,900 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-10-27 06:14:15,901 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-10-27 06:14:15,901 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,901 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,901 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,901 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,901 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-10-27 06:14:15,901 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,901 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-10-27 06:14:15,902 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,902 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-10-27 06:14:15,902 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-10-27 06:14:15,902 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-10-27 06:14:15,902 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,902 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,902 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-10-27 06:14:15,902 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-10-27 06:14:15,902 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-10-27 06:14:15,903 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-10-27 06:14:15,903 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-10-27 06:14:15,903 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-10-27 06:14:15,903 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-10-27 06:14:15,903 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-10-27 06:14:15,903 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-10-27 06:14:15,903 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-10-27 06:14:15,903 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-10-27 06:14:15,903 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,904 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,904 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,904 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,904 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,904 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,904 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-10-27 06:14:15,904 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-10-27 06:14:15,904 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-10-27 06:14:15,904 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-10-27 06:14:15,904 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-10-27 06:14:15,905 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-10-27 06:14:15,905 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-10-27 06:14:15,905 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-10-27 06:14:15,905 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-10-27 06:14:15,905 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-10-27 06:14:15,905 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-10-27 06:14:15,905 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,905 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,905 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,906 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,906 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,906 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,906 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-10-27 06:14:15,906 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-10-27 06:14:15,906 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-10-27 06:14:15,906 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-10-27 06:14:15,906 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-10-27 06:14:15,906 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-10-27 06:14:15,906 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-10-27 06:14:15,907 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-10-27 06:14:15,907 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-10-27 06:14:15,907 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-10-27 06:14:15,907 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-10-27 06:14:15,907 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-10-27 06:14:15,907 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-10-27 06:14:15,907 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-10-27 06:14:15,907 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,907 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,908 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,908 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse21 (= 1 |old(~a25~0)|))) (let ((.cse7 (< 7 |old(~a28~0)|)) (.cse4 (= ~a17~0 |old(~a17~0)|)) (.cse13 (= 0 |old(~a28~0)|)) (.cse11 (not .cse21)) (.cse14 (= |old(~a11~0)| |old(~a19~0)|)) (.cse1 (= |old(~a28~0)| ~a28~0)) (.cse6 (not (= 1 ~a21~0))) (.cse10 (= 0 |old(~a17~0)|)) (.cse12 (not (= 1 |old(~a19~0)|))) (.cse15 (= |calculate_output_#in~input| 0)) (.cse8 (= ~a19~0 1)) (.cse9 (not (= ~a17~0 0))) (.cse0 (< 10 |old(~a28~0)|)) (.cse18 (< |old(~a28~0)| 10)) (.cse2 (= |old(~a19~0)| ~a19~0)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse19 (<= 10 ~a28~0)) (.cse17 (= 7 ~a17~0)) (.cse20 (<= ~a28~0 10)) (.cse5 (= ~a25~0 |old(~a25~0)|)) (.cse16 (not (= 7 |old(~a17~0)|)))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5) (not (= |old(~a17~0)| 8))) (or .cse6 .cse7 (and .cse3 .cse1 .cse8 .cse9 .cse5) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (or .cse6 .cse11 .cse15 (and .cse3 .cse1 (= ~a17~0 8) .cse8 .cse5) .cse12 .cse14 (not (= 8 |old(~a17~0)|))) (or .cse6 .cse7 (and .cse3 .cse1 .cse4 .cse8 .cse5) .cse11 .cse12 .cse13 .cse15 .cse16) (or .cse0 .cse11 (= |old(~a17~0)| |old(~a28~0)|) .cse14 (and .cse1 .cse2 .cse3 .cse17 .cse5) .cse16) (or .cse0 .cse6 .cse10 .cse12 .cse18 .cse15 (and .cse3 .cse19 .cse20 (= |old(~a25~0)| ~a25~0) .cse8 .cse9)) (or .cse0 .cse18 .cse21 (and .cse2 .cse3 .cse19 .cse17 .cse20 .cse5) .cse16)))) [2018-10-27 06:14:15,908 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,908 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,908 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,908 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-10-27 06:14:15,908 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-10-27 06:14:15,909 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-10-27 06:14:15,909 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-10-27 06:14:15,909 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-10-27 06:14:15,909 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-10-27 06:14:15,909 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-10-27 06:14:15,909 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-10-27 06:14:15,909 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-10-27 06:14:15,909 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-10-27 06:14:15,909 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-10-27 06:14:15,909 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-10-27 06:14:15,910 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-10-27 06:14:15,910 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,910 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,910 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,910 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,910 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,910 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,910 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-10-27 06:14:15,910 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-10-27 06:14:15,910 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-10-27 06:14:15,911 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-10-27 06:14:15,911 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-10-27 06:14:15,911 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-10-27 06:14:15,911 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-10-27 06:14:15,911 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-10-27 06:14:15,911 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-10-27 06:14:15,911 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-10-27 06:14:15,911 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-10-27 06:14:15,911 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-10-27 06:14:15,911 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-10-27 06:14:15,912 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-10-27 06:14:15,912 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-10-27 06:14:15,912 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-10-27 06:14:15,912 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,912 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,912 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,912 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,912 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-10-27 06:14:15,912 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-10-27 06:14:15,913 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 556) no Hoare annotation was computed. [2018-10-27 06:14:15,913 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-10-27 06:14:15,913 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-10-27 06:14:15,913 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-10-27 06:14:15,913 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-10-27 06:14:15,913 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-10-27 06:14:15,913 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-10-27 06:14:15,913 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-10-27 06:14:15,913 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-10-27 06:14:15,914 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-10-27 06:14:15,914 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-10-27 06:14:15,914 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-10-27 06:14:15,914 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-10-27 06:14:15,914 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-10-27 06:14:15,914 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-10-27 06:14:15,914 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-10-27 06:14:15,914 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-10-27 06:14:15,914 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-10-27 06:14:15,915 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-10-27 06:14:15,915 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 06:14:15,915 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-10-27 06:14:15,915 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 06:14:15,915 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 06:14:15,915 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a25~0 |old(~a25~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-10-27 06:14:15,915 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-10-27 06:14:15,916 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse6 (not (= ~a19~0 ~a11~0))) (.cse7 (<= ~a28~0 7)) (.cse8 (not (= ~a28~0 0))) (.cse5 (= 7 ~a17~0)) (.cse9 (= 1 ~a25~0)) (.cse1 (<= 10 ~a28~0)) (.cse4 (not (= ~a25~0 1))) (.cse0 (<= ~a28~0 10)) (.cse2 (= ~a19~0 1)) (.cse3 (not (= ~a17~0 0)))) (or (and (= |old(~a17~0)| ~a17~0) .cse0) (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (not (= main_~input~0 0)) .cse1 .cse0 .cse2 .cse3) (and .cse1 .cse4 .cse5 .cse0) (not (= 0 |old(~a25~0)|)) (and .cse1 .cse0 .cse2 .cse6 .cse3) (not (= 1 |old(~a19~0)|)) (and .cse7 .cse8 .cse9 .cse2 .cse6 .cse3) (and (not (= ~a28~0 ~a17~0)) .cse5 .cse9 .cse0 .cse6) (and .cse9 (and (= ~a17~0 8) .cse2 .cse6)) (and .cse7 .cse8 .cse5 .cse9 .cse2) (not (= 8 |old(~a17~0)|)) (and .cse1 .cse4 .cse0 .cse2 .cse3))) [2018-10-27 06:14:15,916 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-10-27 06:14:15,916 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-10-27 06:14:15,916 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse5 (<= 10 ~a28~0)) (.cse6 (not (= ~a17~0 0))) (.cse1 (not (= main_~input~0 0))) (.cse8 (<= ~a28~0 7)) (.cse9 (not (= ~a28~0 0))) (.cse3 (= ~a19~0 1)) (.cse7 (= 7 ~a17~0)) (.cse2 (= 1 ~a25~0)) (.cse0 (<= ~a28~0 10)) (.cse4 (not (= ~a19~0 ~a11~0)))) (or (and (= |old(~a17~0)| ~a17~0) .cse0) (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse1 .cse2 (= ~a17~0 8) .cse3 .cse4) (and .cse1 .cse5 .cse0 .cse3 .cse6) (and .cse5 (not (= ~a25~0 1)) .cse7 .cse0) (not (= 0 |old(~a25~0)|)) (and .cse1 .cse8 .cse9 .cse2 .cse3 .cse4 .cse6) (and .cse1 .cse8 .cse9 .cse7 .cse2 .cse3) (not (= 1 |old(~a19~0)|)) (and (not (= ~a28~0 ~a17~0)) .cse7 .cse2 .cse0 .cse4) (not (= 8 |old(~a17~0)|)))) [2018-10-27 06:14:15,916 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-10-27 06:14:15,916 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-10-27 06:14:15,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 06:14:15 BoogieIcfgContainer [2018-10-27 06:14:15,936 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 06:14:15,940 INFO L168 Benchmark]: Toolchain (without parser) took 61483.04 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 3.2 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-10-27 06:14:15,941 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 06:14:15,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.93 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-27 06:14:15,942 INFO L168 Benchmark]: Boogie Procedure Inliner took 170.18 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 742.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -819.3 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-10-27 06:14:15,943 INFO L168 Benchmark]: Boogie Preprocessor took 66.43 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 06:14:15,944 INFO L168 Benchmark]: RCFGBuilder took 3398.21 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: 117.0 MB). Peak memory consumption was 117.0 MB. Max. memory is 7.1 GB. [2018-10-27 06:14:15,944 INFO L168 Benchmark]: TraceAbstraction took 57089.48 ms. Allocated memory was 2.3 GB in the beginning and 3.4 GB in the end (delta: 1.2 GB). Free memory was 2.1 GB in the beginning and 3.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-10-27 06:14:15,955 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 752.93 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 170.18 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 742.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -819.3 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.43 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 3398.21 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: 117.0 MB). Peak memory consumption was 117.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 57089.48 ms. Allocated memory was 2.3 GB in the beginning and 3.4 GB in the end (delta: 1.2 GB). Free memory was 2.1 GB in the beginning and 3.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 556]: 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 && a28 <= 10) || !(1 == a21)) || !(7 == \old(a28))) || !(0 == \old(a11))) || ((((!(input == 0) && 10 <= a28) && a28 <= 10) && a19 == 1) && !(a17 == 0))) || (((10 <= a28 && !(a25 == 1)) && 7 == a17) && a28 <= 10)) || !(0 == \old(a25))) || ((((10 <= a28 && a28 <= 10) && a19 == 1) && !(a19 == a11)) && !(a17 == 0))) || !(1 == \old(a19))) || (((((a28 <= 7 && !(a28 == 0)) && 1 == a25) && a19 == 1) && !(a19 == a11)) && !(a17 == 0))) || ((((!(a28 == a17) && 7 == a17) && 1 == a25) && a28 <= 10) && !(a19 == a11))) || (1 == a25 && (a17 == 8 && a19 == 1) && !(a19 == a11))) || ((((a28 <= 7 && !(a28 == 0)) && 7 == a17) && 1 == a25) && a19 == 1)) || !(8 == \old(a17))) || ((((10 <= a28 && !(a25 == 1)) && a28 <= 10) && a19 == 1) && !(a17 == 0)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 57.0s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 40.2s AutomataDifference, 0.0s DeadEndRemovalTime, 3.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1697 SDtfs, 9099 SDslu, 2450 SDs, 0 SdLazy, 13099 SolverSat, 2425 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.9s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 2391 GetRequests, 2253 SyntacticMatches, 11 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 511 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8310occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.7s AbstIntTime, 7 AbstIntIterations, 3 AbstIntStrong, 0.997102129735009 AbsIntWeakeningRatio, 0.20669291338582677 AbsIntAvgWeakeningVarsNumRemoved, 26.015748031496063 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 1250 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 222 PreInvPairs, 316 NumberOfFragments, 663 HoareAnnotationTreeSize, 222 FomulaSimplifications, 9800 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4658 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 2689 NumberOfCodeBlocks, 2689 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3538 ConstructedInterpolants, 0 QuantifiedInterpolants, 1413444 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2073 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 18 InterpolantComputations, 5 PerfectInterpolantSequences, 1552/1806 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...