java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label27_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-14 17:07:54,354 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-14 17:07:54,356 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-14 17:07:54,368 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-14 17:07:54,368 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-14 17:07:54,369 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-14 17:07:54,371 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-14 17:07:54,372 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-14 17:07:54,374 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-14 17:07:54,375 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-14 17:07:54,376 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-14 17:07:54,376 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-14 17:07:54,377 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-14 17:07:54,378 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-14 17:07:54,379 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-14 17:07:54,380 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-14 17:07:54,381 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-14 17:07:54,382 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-14 17:07:54,384 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-14 17:07:54,386 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-14 17:07:54,387 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-14 17:07:54,388 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-14 17:07:54,390 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-14 17:07:54,391 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-14 17:07:54,391 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-14 17:07:54,392 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-14 17:07:54,393 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-14 17:07:54,394 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-14 17:07:54,395 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-14 17:07:54,396 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-14 17:07:54,396 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-14 17:07:54,400 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-14 17:07:54,400 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-14 17:07:54,401 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-14 17:07:54,402 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-14 17:07:54,402 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-14 17:07:54,404 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-14 17:07:54,432 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-14 17:07:54,432 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-14 17:07:54,433 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-14 17:07:54,433 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-14 17:07:54,433 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-14 17:07:54,435 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-14 17:07:54,435 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-14 17:07:54,435 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-14 17:07:54,435 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-14 17:07:54,436 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-14 17:07:54,436 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-14 17:07:54,437 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-14 17:07:54,437 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-14 17:07:54,437 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-14 17:07:54,438 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-14 17:07:54,438 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-14 17:07:54,438 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-14 17:07:54,438 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-14 17:07:54,440 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-14 17:07:54,440 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-14 17:07:54,440 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-14 17:07:54,440 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-14 17:07:54,440 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-14 17:07:54,440 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 17:07:54,441 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-14 17:07:54,441 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-14 17:07:54,441 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-14 17:07:54,441 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-14 17:07:54,442 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-14 17:07:54,442 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-14 17:07:54,442 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-14 17:07:54,442 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-14 17:07:54,442 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-14 17:07:54,500 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-14 17:07:54,517 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-14 17:07:54,522 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-14 17:07:54,524 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-14 17:07:54,524 INFO L276 PluginConnector]: CDTParser initialized [2018-09-14 17:07:54,525 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label27_true-unreach-call.c [2018-09-14 17:07:54,885 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32e593700/ced69d2255df469097288b8bbdf57682/FLAG540895215 [2018-09-14 17:07:55,121 INFO L277 CDTParser]: Found 1 translation units. [2018-09-14 17:07:55,122 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label27_true-unreach-call.c [2018-09-14 17:07:55,136 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32e593700/ced69d2255df469097288b8bbdf57682/FLAG540895215 [2018-09-14 17:07:55,158 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32e593700/ced69d2255df469097288b8bbdf57682 [2018-09-14 17:07:55,181 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-14 17:07:55,185 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-14 17:07:55,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-14 17:07:55,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-14 17:07:55,195 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-14 17:07:55,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 05:07:55" (1/1) ... [2018-09-14 17:07:55,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54315448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:07:55, skipping insertion in model container [2018-09-14 17:07:55,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 05:07:55" (1/1) ... [2018-09-14 17:07:55,212 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-14 17:07:55,716 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 17:07:55,737 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-14 17:07:55,875 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 17:07:55,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:07:55 WrapperNode [2018-09-14 17:07:55,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-14 17:07:55,917 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-14 17:07:55,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-14 17:07:55,917 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-14 17:07:55,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:07:55" (1/1) ... [2018-09-14 17:07:55,959 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:07:55" (1/1) ... [2018-09-14 17:07:56,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-14 17:07:56,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-14 17:07:56,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-14 17:07:56,037 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-14 17:07:56,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:07:55" (1/1) ... [2018-09-14 17:07:56,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:07:55" (1/1) ... [2018-09-14 17:07:56,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:07:55" (1/1) ... [2018-09-14 17:07:56,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:07:55" (1/1) ... [2018-09-14 17:07:56,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:07:55" (1/1) ... [2018-09-14 17:07:56,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:07:55" (1/1) ... [2018-09-14 17:07:56,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:07:55" (1/1) ... [2018-09-14 17:07:56,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-14 17:07:56,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-14 17:07:56,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-14 17:07:56,279 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-14 17:07:56,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:07:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 17:07:56,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-14 17:07:56,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-14 17:07:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-14 17:07:56,359 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-14 17:07:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-14 17:07:56,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-14 17:07:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-14 17:07:56,359 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-14 17:07:59,645 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-14 17:07:59,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 05:07:59 BoogieIcfgContainer [2018-09-14 17:07:59,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-14 17:07:59,647 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-14 17:07:59,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-14 17:07:59,655 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-14 17:07:59,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 05:07:55" (1/3) ... [2018-09-14 17:07:59,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@677b08c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 05:07:59, skipping insertion in model container [2018-09-14 17:07:59,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:07:55" (2/3) ... [2018-09-14 17:07:59,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@677b08c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 05:07:59, skipping insertion in model container [2018-09-14 17:07:59,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 05:07:59" (3/3) ... [2018-09-14 17:07:59,658 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label27_true-unreach-call.c [2018-09-14 17:07:59,668 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-14 17:07:59,676 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-14 17:07:59,729 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-14 17:07:59,730 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-14 17:07:59,730 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-14 17:07:59,731 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-14 17:07:59,731 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-14 17:07:59,731 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-14 17:07:59,731 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-14 17:07:59,732 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-14 17:07:59,732 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-14 17:07:59,758 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-09-14 17:07:59,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-14 17:07:59,769 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:07:59,770 INFO L376 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] [2018-09-14 17:07:59,771 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:07:59,775 INFO L82 PathProgramCache]: Analyzing trace with hash 51771233, now seen corresponding path program 1 times [2018-09-14 17:07:59,777 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:07:59,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:07:59,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:07:59,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:07:59,824 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:07:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:08:00,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:08:00,409 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:08:00,410 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-14 17:08:00,410 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:08:00,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-14 17:08:00,433 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-14 17:08:00,434 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-14 17:08:00,437 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 4 states. [2018-09-14 17:08:02,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:08:02,428 INFO L93 Difference]: Finished difference Result 737 states and 1298 transitions. [2018-09-14 17:08:02,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-14 17:08:02,430 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2018-09-14 17:08:02,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:08:02,451 INFO L225 Difference]: With dead ends: 737 [2018-09-14 17:08:02,451 INFO L226 Difference]: Without dead ends: 515 [2018-09-14 17:08:02,460 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-14 17:08:02,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2018-09-14 17:08:02,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 356. [2018-09-14 17:08:02,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-09-14 17:08:02,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 613 transitions. [2018-09-14 17:08:02,552 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 613 transitions. Word has length 67 [2018-09-14 17:08:02,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:08:02,553 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 613 transitions. [2018-09-14 17:08:02,554 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-14 17:08:02,554 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 613 transitions. [2018-09-14 17:08:02,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-09-14 17:08:02,566 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:08:02,566 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:08:02,566 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:08:02,567 INFO L82 PathProgramCache]: Analyzing trace with hash -316431117, now seen corresponding path program 1 times [2018-09-14 17:08:02,567 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:08:02,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:08:02,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:08:02,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:08:02,569 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:08:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:08:02,971 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-09-14 17:08:02,971 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:08:02,971 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 17:08:02,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:08:02,989 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:08:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:08:03,088 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:08:03,179 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:08:03,179 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:08:03,338 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:08:03,362 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-14 17:08:03,362 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 6 [2018-09-14 17:08:03,362 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:08:03,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 17:08:03,364 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 17:08:03,364 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 17:08:03,364 INFO L87 Difference]: Start difference. First operand 356 states and 613 transitions. Second operand 3 states. [2018-09-14 17:08:04,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:08:04,557 INFO L93 Difference]: Finished difference Result 994 states and 1780 transitions. [2018-09-14 17:08:04,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 17:08:04,560 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2018-09-14 17:08:04,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:08:04,566 INFO L225 Difference]: With dead ends: 994 [2018-09-14 17:08:04,567 INFO L226 Difference]: Without dead ends: 644 [2018-09-14 17:08:04,570 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 275 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 17:08:04,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2018-09-14 17:08:04,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 644. [2018-09-14 17:08:04,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 644 states. [2018-09-14 17:08:04,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 1062 transitions. [2018-09-14 17:08:04,619 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 1062 transitions. Word has length 138 [2018-09-14 17:08:04,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:08:04,620 INFO L480 AbstractCegarLoop]: Abstraction has 644 states and 1062 transitions. [2018-09-14 17:08:04,620 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 17:08:04,621 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 1062 transitions. [2018-09-14 17:08:04,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-09-14 17:08:04,631 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:08:04,632 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:08:04,632 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:08:04,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1337789352, now seen corresponding path program 1 times [2018-09-14 17:08:04,634 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:08:04,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:08:04,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:08:04,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:08:04,636 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:08:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:08:04,875 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:08:04,875 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:08:04,876 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-14 17:08:04,876 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:08:04,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 17:08:04,877 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 17:08:04,877 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-14 17:08:04,878 INFO L87 Difference]: Start difference. First operand 644 states and 1062 transitions. Second operand 5 states. [2018-09-14 17:08:09,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:08:09,346 INFO L93 Difference]: Finished difference Result 2047 states and 3526 transitions. [2018-09-14 17:08:09,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 17:08:09,350 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 193 [2018-09-14 17:08:09,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:08:09,362 INFO L225 Difference]: With dead ends: 2047 [2018-09-14 17:08:09,362 INFO L226 Difference]: Without dead ends: 1409 [2018-09-14 17:08:09,365 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-14 17:08:09,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1409 states. [2018-09-14 17:08:09,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1409 to 1398. [2018-09-14 17:08:09,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1398 states. [2018-09-14 17:08:09,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1398 states and 2241 transitions. [2018-09-14 17:08:09,440 INFO L78 Accepts]: Start accepts. Automaton has 1398 states and 2241 transitions. Word has length 193 [2018-09-14 17:08:09,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:08:09,441 INFO L480 AbstractCegarLoop]: Abstraction has 1398 states and 2241 transitions. [2018-09-14 17:08:09,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 17:08:09,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 2241 transitions. [2018-09-14 17:08:09,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-09-14 17:08:09,446 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:08:09,446 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-14 17:08:09,447 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:08:09,447 INFO L82 PathProgramCache]: Analyzing trace with hash -848460573, now seen corresponding path program 1 times [2018-09-14 17:08:09,447 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:08:09,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:08:09,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:08:09,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:08:09,449 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:08:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:08:09,748 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 17:08:10,162 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:08:10,163 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:08:10,163 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 17:08:10,163 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:08:10,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 17:08:10,164 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 17:08:10,165 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 17:08:10,166 INFO L87 Difference]: Start difference. First operand 1398 states and 2241 transitions. Second operand 6 states. [2018-09-14 17:08:12,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:08:12,955 INFO L93 Difference]: Finished difference Result 3838 states and 6479 transitions. [2018-09-14 17:08:12,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 17:08:12,955 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 194 [2018-09-14 17:08:12,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:08:12,972 INFO L225 Difference]: With dead ends: 3838 [2018-09-14 17:08:12,972 INFO L226 Difference]: Without dead ends: 2446 [2018-09-14 17:08:12,980 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 17:08:12,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2018-09-14 17:08:13,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 2411. [2018-09-14 17:08:13,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2411 states. [2018-09-14 17:08:13,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 2411 states and 3634 transitions. [2018-09-14 17:08:13,060 INFO L78 Accepts]: Start accepts. Automaton has 2411 states and 3634 transitions. Word has length 194 [2018-09-14 17:08:13,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:08:13,060 INFO L480 AbstractCegarLoop]: Abstraction has 2411 states and 3634 transitions. [2018-09-14 17:08:13,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 17:08:13,061 INFO L276 IsEmpty]: Start isEmpty. Operand 2411 states and 3634 transitions. [2018-09-14 17:08:13,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-09-14 17:08:13,070 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:08:13,071 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:08:13,071 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:08:13,071 INFO L82 PathProgramCache]: Analyzing trace with hash -430228301, now seen corresponding path program 1 times [2018-09-14 17:08:13,072 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:08:13,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:08:13,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:08:13,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:08:13,073 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:08:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:08:13,647 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:08:13,647 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:08:13,647 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-09-14 17:08:13,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:08:13,659 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 17:08:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:08:13,763 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:08:14,132 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:08:14,133 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:08:14,386 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:08:14,407 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:08:14,407 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 17:08:14,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:08:14,423 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:08:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:08:14,599 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:08:14,811 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:08:14,811 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:08:15,201 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:08:15,208 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 17:08:15,208 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 12 [2018-09-14 17:08:15,208 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 17:08:15,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-14 17:08:15,210 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-14 17:08:15,210 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-09-14 17:08:15,212 INFO L87 Difference]: Start difference. First operand 2411 states and 3634 transitions. Second operand 9 states. [2018-09-14 17:08:20,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:08:20,132 INFO L93 Difference]: Finished difference Result 6774 states and 11261 transitions. [2018-09-14 17:08:20,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-14 17:08:20,134 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 273 [2018-09-14 17:08:20,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:08:20,151 INFO L225 Difference]: With dead ends: 6774 [2018-09-14 17:08:20,151 INFO L226 Difference]: Without dead ends: 2336 [2018-09-14 17:08:20,188 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1112 GetRequests, 1089 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2018-09-14 17:08:20,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2336 states. [2018-09-14 17:08:20,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2336 to 1869. [2018-09-14 17:08:20,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1869 states. [2018-09-14 17:08:20,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1869 states to 1869 states and 2680 transitions. [2018-09-14 17:08:20,281 INFO L78 Accepts]: Start accepts. Automaton has 1869 states and 2680 transitions. Word has length 273 [2018-09-14 17:08:20,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:08:20,281 INFO L480 AbstractCegarLoop]: Abstraction has 1869 states and 2680 transitions. [2018-09-14 17:08:20,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-14 17:08:20,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1869 states and 2680 transitions. [2018-09-14 17:08:20,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-09-14 17:08:20,294 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:08:20,294 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:08:20,294 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:08:20,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1346128827, now seen corresponding path program 1 times [2018-09-14 17:08:20,295 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:08:20,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:08:20,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:08:20,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:08:20,297 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:08:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:08:20,631 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 121 proven. 46 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-09-14 17:08:20,632 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:08:20,632 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-09-14 17:08:20,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:08:20,645 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:08:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:08:20,739 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:08:20,962 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 234 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:08:20,963 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:08:21,492 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 234 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:08:21,513 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:08:21,514 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 17:08:21,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:08:21,530 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:08:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:08:21,720 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:08:21,832 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 121 proven. 2 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-09-14 17:08:21,833 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:08:22,194 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-09-14 17:08:22,199 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2018-09-14 17:08:22,199 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5, 5, 5] total 11 [2018-09-14 17:08:22,200 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:08:22,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 17:08:22,200 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 17:08:22,200 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-09-14 17:08:22,201 INFO L87 Difference]: Start difference. First operand 1869 states and 2680 transitions. Second operand 5 states. [2018-09-14 17:08:23,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:08:23,048 INFO L93 Difference]: Finished difference Result 3955 states and 5597 transitions. [2018-09-14 17:08:23,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-14 17:08:23,056 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 309 [2018-09-14 17:08:23,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:08:23,068 INFO L225 Difference]: With dead ends: 3955 [2018-09-14 17:08:23,068 INFO L226 Difference]: Without dead ends: 2122 [2018-09-14 17:08:23,075 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1244 GetRequests, 1228 SyntacticMatches, 6 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-09-14 17:08:23,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2122 states. [2018-09-14 17:08:23,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2122 to 2092. [2018-09-14 17:08:23,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2092 states. [2018-09-14 17:08:23,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2092 states to 2092 states and 2789 transitions. [2018-09-14 17:08:23,133 INFO L78 Accepts]: Start accepts. Automaton has 2092 states and 2789 transitions. Word has length 309 [2018-09-14 17:08:23,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:08:23,134 INFO L480 AbstractCegarLoop]: Abstraction has 2092 states and 2789 transitions. [2018-09-14 17:08:23,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 17:08:23,134 INFO L276 IsEmpty]: Start isEmpty. Operand 2092 states and 2789 transitions. [2018-09-14 17:08:23,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2018-09-14 17:08:23,145 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:08:23,145 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:08:23,145 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:08:23,146 INFO L82 PathProgramCache]: Analyzing trace with hash 2114818347, now seen corresponding path program 1 times [2018-09-14 17:08:23,146 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:08:23,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:08:23,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:08:23,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:08:23,147 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:08:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:08:23,548 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 370 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-09-14 17:08:23,549 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:08:23,549 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 17:08:23,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:08:23,558 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:08:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:08:23,654 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:08:23,991 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 370 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-09-14 17:08:23,992 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:08:24,234 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-09-14 17:08:24,782 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 370 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-09-14 17:08:24,803 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:08:24,803 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 17:08:24,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:08:24,819 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:08:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:08:25,063 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:08:25,154 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2018-09-14 17:08:25,155 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:08:25,282 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2018-09-14 17:08:25,284 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 3 imperfect interpolant sequences. [2018-09-14 17:08:25,285 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6, 5, 5] total 10 [2018-09-14 17:08:25,285 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:08:25,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 17:08:25,286 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 17:08:25,286 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-09-14 17:08:25,287 INFO L87 Difference]: Start difference. First operand 2092 states and 2789 transitions. Second operand 3 states. [2018-09-14 17:08:25,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:08:25,965 INFO L93 Difference]: Finished difference Result 2240 states and 2946 transitions. [2018-09-14 17:08:25,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 17:08:25,966 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 382 [2018-09-14 17:08:25,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:08:25,966 INFO L225 Difference]: With dead ends: 2240 [2018-09-14 17:08:25,967 INFO L226 Difference]: Without dead ends: 0 [2018-09-14 17:08:25,971 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1532 GetRequests, 1521 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-09-14 17:08:25,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-14 17:08:25,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-14 17:08:25,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-14 17:08:25,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-14 17:08:25,972 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 382 [2018-09-14 17:08:25,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:08:25,972 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-14 17:08:25,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 17:08:25,973 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-14 17:08:25,973 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-14 17:08:25,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-14 17:08:26,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:08:26,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:08:26,227 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-14 17:08:26,776 WARN L178 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 23 [2018-09-14 17:08:27,356 WARN L178 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 35 [2018-09-14 17:08:27,497 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 10 [2018-09-14 17:08:27,636 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-14 17:08:27,636 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-09-14 17:08:27,637 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-14 17:08:27,637 INFO L426 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-09-14 17:08:27,637 INFO L426 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,637 INFO L426 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,637 INFO L426 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,637 INFO L426 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,637 INFO L426 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,637 INFO L426 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,637 INFO L426 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-09-14 17:08:27,637 INFO L426 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-09-14 17:08:27,637 INFO L426 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-09-14 17:08:27,638 INFO L426 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-09-14 17:08:27,638 INFO L426 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-09-14 17:08:27,638 INFO L426 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-09-14 17:08:27,638 INFO L426 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-09-14 17:08:27,638 INFO L426 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-09-14 17:08:27,638 INFO L426 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-09-14 17:08:27,638 INFO L426 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-09-14 17:08:27,638 INFO L426 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-09-14 17:08:27,638 INFO L426 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,639 INFO L426 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,639 INFO L426 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,639 INFO L426 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,639 INFO L426 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,639 INFO L426 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-09-14 17:08:27,639 INFO L426 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-09-14 17:08:27,639 INFO L426 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-09-14 17:08:27,639 INFO L426 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-09-14 17:08:27,639 INFO L426 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-09-14 17:08:27,639 INFO L426 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-09-14 17:08:27,640 INFO L426 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-09-14 17:08:27,640 INFO L426 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-09-14 17:08:27,640 INFO L426 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-09-14 17:08:27,640 INFO L426 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-09-14 17:08:27,640 INFO L426 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 184) no Hoare annotation was computed. [2018-09-14 17:08:27,640 INFO L426 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-09-14 17:08:27,640 INFO L426 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-09-14 17:08:27,640 INFO L426 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-09-14 17:08:27,640 INFO L426 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-09-14 17:08:27,640 INFO L426 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,641 INFO L426 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,641 INFO L426 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,641 INFO L426 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,641 INFO L426 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,641 INFO L426 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-09-14 17:08:27,641 INFO L426 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-09-14 17:08:27,641 INFO L426 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-09-14 17:08:27,641 INFO L426 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-09-14 17:08:27,642 INFO L426 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-09-14 17:08:27,642 INFO L426 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-09-14 17:08:27,642 INFO L426 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-09-14 17:08:27,642 INFO L426 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-09-14 17:08:27,642 INFO L426 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-09-14 17:08:27,642 INFO L426 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-09-14 17:08:27,642 INFO L426 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,642 INFO L426 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,643 INFO L426 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,643 INFO L426 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,643 INFO L426 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,643 INFO L426 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-09-14 17:08:27,643 INFO L426 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-09-14 17:08:27,643 INFO L426 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-09-14 17:08:27,643 INFO L426 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-09-14 17:08:27,643 INFO L426 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-09-14 17:08:27,643 INFO L426 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-09-14 17:08:27,644 INFO L426 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-09-14 17:08:27,644 INFO L426 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-09-14 17:08:27,644 INFO L426 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-09-14 17:08:27,644 INFO L426 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-09-14 17:08:27,644 INFO L426 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-09-14 17:08:27,644 INFO L426 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-09-14 17:08:27,644 INFO L426 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-09-14 17:08:27,644 INFO L426 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,645 INFO L426 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,645 INFO L426 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,645 INFO L426 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,645 INFO L426 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,645 INFO L426 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-09-14 17:08:27,645 INFO L426 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-09-14 17:08:27,645 INFO L426 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-09-14 17:08:27,645 INFO L426 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-09-14 17:08:27,645 INFO L426 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-09-14 17:08:27,646 INFO L426 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-09-14 17:08:27,646 INFO L426 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-09-14 17:08:27,646 INFO L426 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-09-14 17:08:27,646 INFO L426 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-09-14 17:08:27,646 INFO L426 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,646 INFO L426 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,646 INFO L426 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,646 INFO L426 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,646 INFO L426 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,646 INFO L426 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,647 INFO L426 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,647 INFO L426 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-09-14 17:08:27,647 INFO L426 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-09-14 17:08:27,647 INFO L426 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-09-14 17:08:27,647 INFO L426 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-09-14 17:08:27,647 INFO L426 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-09-14 17:08:27,647 INFO L426 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-09-14 17:08:27,647 INFO L426 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-09-14 17:08:27,647 INFO L426 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-09-14 17:08:27,647 INFO L426 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-09-14 17:08:27,647 INFO L426 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-09-14 17:08:27,648 INFO L426 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-09-14 17:08:27,648 INFO L426 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-09-14 17:08:27,648 INFO L426 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-09-14 17:08:27,648 INFO L426 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,648 INFO L426 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,648 INFO L426 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,648 INFO L426 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,648 INFO L426 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-09-14 17:08:27,648 INFO L426 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,648 INFO L426 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,648 INFO L426 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-09-14 17:08:27,648 INFO L426 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-09-14 17:08:27,648 INFO L426 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-09-14 17:08:27,648 INFO L426 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-09-14 17:08:27,649 INFO L426 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-09-14 17:08:27,649 INFO L426 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-09-14 17:08:27,649 INFO L426 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-09-14 17:08:27,649 INFO L426 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-09-14 17:08:27,649 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-14 17:08:27,649 INFO L426 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-09-14 17:08:27,649 INFO L426 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-09-14 17:08:27,649 INFO L426 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-09-14 17:08:27,649 INFO L426 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-09-14 17:08:27,649 INFO L426 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,649 INFO L426 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,649 INFO L426 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,649 INFO L426 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,650 INFO L426 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,650 INFO L426 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,650 INFO L426 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-09-14 17:08:27,650 INFO L426 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-09-14 17:08:27,650 INFO L426 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-09-14 17:08:27,650 INFO L426 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-09-14 17:08:27,650 INFO L426 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-09-14 17:08:27,650 INFO L426 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-09-14 17:08:27,650 INFO L426 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-09-14 17:08:27,650 INFO L426 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-09-14 17:08:27,650 INFO L426 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-09-14 17:08:27,650 INFO L426 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-09-14 17:08:27,650 INFO L426 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-09-14 17:08:27,651 INFO L422 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (= |old(~a10~0)| ~a10~0)) (.cse1 (= ~a1~0 |old(~a1~0)|))) (let ((.cse2 (= 1 |old(~a10~0)|)) (.cse3 (and (= |old(~a19~0)| ~a19~0) .cse0 .cse1))) (and (or (and (= 8 ~a19~0) .cse0 .cse1) (not (= 8 |old(~a19~0)|)) .cse2) (or (not (= 6 |old(~a19~0)|)) (and (= ~a19~0 6) .cse0 .cse1) .cse2) (or .cse3 (<= (+ |old(~a1~0)| 13) 0)) (or (< |old(~a19~0)| 9) .cse3)))) [2018-09-14 17:08:27,651 INFO L426 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-09-14 17:08:27,651 INFO L426 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-09-14 17:08:27,651 INFO L426 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-09-14 17:08:27,651 INFO L426 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,651 INFO L426 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,651 INFO L426 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,652 INFO L426 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,652 INFO L426 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,652 INFO L426 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,652 INFO L426 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-09-14 17:08:27,652 INFO L426 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-09-14 17:08:27,652 INFO L426 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-09-14 17:08:27,652 INFO L426 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-09-14 17:08:27,652 INFO L426 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-09-14 17:08:27,652 INFO L426 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-09-14 17:08:27,652 INFO L426 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-09-14 17:08:27,652 INFO L426 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-09-14 17:08:27,653 INFO L426 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-09-14 17:08:27,653 INFO L426 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-09-14 17:08:27,653 INFO L426 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-09-14 17:08:27,653 INFO L426 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-09-14 17:08:27,653 INFO L426 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-09-14 17:08:27,653 INFO L426 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,653 INFO L426 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,653 INFO L426 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,653 INFO L426 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,653 INFO L426 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,654 INFO L426 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,654 INFO L426 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-09-14 17:08:27,654 INFO L426 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-09-14 17:08:27,654 INFO L426 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-09-14 17:08:27,654 INFO L426 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-09-14 17:08:27,654 INFO L426 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-09-14 17:08:27,654 INFO L426 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-09-14 17:08:27,654 INFO L426 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-09-14 17:08:27,654 INFO L426 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-09-14 17:08:27,655 INFO L426 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-09-14 17:08:27,655 INFO L426 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-09-14 17:08:27,655 INFO L426 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-09-14 17:08:27,655 INFO L426 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-09-14 17:08:27,655 INFO L426 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,655 INFO L426 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,655 INFO L426 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,655 INFO L426 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,655 INFO L426 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,655 INFO L426 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:08:27,656 INFO L426 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-09-14 17:08:27,656 INFO L426 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-09-14 17:08:27,656 INFO L426 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-09-14 17:08:27,656 INFO L426 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-09-14 17:08:27,656 INFO L426 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-09-14 17:08:27,656 INFO L426 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-09-14 17:08:27,656 INFO L426 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-09-14 17:08:27,656 INFO L426 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-09-14 17:08:27,656 INFO L426 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-09-14 17:08:27,656 INFO L426 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-09-14 17:08:27,656 INFO L426 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-09-14 17:08:27,656 INFO L426 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-09-14 17:08:27,656 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-14 17:08:27,657 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (<= ~a1~0 23) (not (= ~a19~0 10)) (not (= ~a10~0 1)) (<= 9 ~a19~0)) [2018-09-14 17:08:27,657 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-14 17:08:27,657 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-14 17:08:27,657 INFO L422 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) (< |old(~a1~0)| 23) (= 10 |old(~a19~0)|) (= 1 |old(~a10~0)|) (< 23 |old(~a1~0)|) (< |old(~a19~0)| 9)) [2018-09-14 17:08:27,657 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-09-14 17:08:27,657 INFO L422 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= ~a10~0 1)))) (or (< 0 (+ ~a1~0 13)) (< |old(~a1~0)| 23) (= 10 |old(~a19~0)|) (and (= ~a19~0 6) .cse0) (= 1 |old(~a10~0)|) (< 23 |old(~a1~0)|) (and (= 8 ~a19~0) .cse0) (<= 9 ~a19~0) (< |old(~a19~0)| 9))) [2018-09-14 17:08:27,657 INFO L426 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-09-14 17:08:27,657 INFO L426 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-09-14 17:08:27,657 INFO L426 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-09-14 17:08:27,657 INFO L422 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a10~0 1)))) (or (< 0 (+ ~a1~0 13)) (< |old(~a1~0)| 23) (= 10 |old(~a19~0)|) (and (= ~a19~0 6) .cse0) (= 1 |old(~a10~0)|) (< 23 |old(~a1~0)|) (and (= 8 ~a19~0) .cse0) (<= 9 ~a19~0) (< |old(~a19~0)| 9))) [2018-09-14 17:08:27,657 INFO L426 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-09-14 17:08:27,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.09 05:08:27 BoogieIcfgContainer [2018-09-14 17:08:27,674 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-14 17:08:27,675 INFO L168 Benchmark]: Toolchain (without parser) took 32492.59 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.2 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -416.4 MB). Peak memory consumption was 773.2 MB. Max. memory is 7.1 GB. [2018-09-14 17:08:27,676 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-14 17:08:27,676 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.98 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-14 17:08:27,677 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.56 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-14 17:08:27,678 INFO L168 Benchmark]: Boogie Preprocessor took 242.07 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 758.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -846.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. [2018-09-14 17:08:27,679 INFO L168 Benchmark]: RCFGBuilder took 3366.82 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: 95.4 MB). Peak memory consumption was 95.4 MB. Max. memory is 7.1 GB. [2018-09-14 17:08:27,680 INFO L168 Benchmark]: TraceAbstraction took 28026.36 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 431.0 MB). Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 281.5 MB). Peak memory consumption was 712.4 MB. Max. memory is 7.1 GB. [2018-09-14 17:08:27,685 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 729.98 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 119.56 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 242.07 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 758.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -846.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3366.82 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: 95.4 MB). Peak memory consumption was 95.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28026.36 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 431.0 MB). Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 281.5 MB). Peak memory consumption was 712.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 184]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((0 < a1 + 13 || \old(a1) < 23) || 10 == \old(a19)) || (a19 == 6 && !(a10 == 1))) || 1 == \old(a10)) || 23 < \old(a1)) || (8 == a19 && !(a10 == 1))) || 9 <= a19) || \old(a19) < 9 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 27.9s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 17.0s AutomataDifference, 0.0s DeadEndRemovalTime, 1.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 742 SDtfs, 3453 SDslu, 594 SDs, 0 SdLazy, 6162 SolverSat, 1387 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4195 GetRequests, 4122 SyntacticMatches, 18 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2411occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 702 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 91 PreInvPairs, 165 NumberOfFragments, 213 HoareAnnotationTreeSize, 91 FomulaSimplifications, 2214 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 962 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 3622 NumberOfCodeBlocks, 3622 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 5667 ConstructedInterpolants, 0 QuantifiedInterpolants, 4698177 SizeOfPredicates, 7 NumberOfNonLiveVariables, 3332 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 21 InterpolantComputations, 8 PerfectInterpolantSequences, 4566/4690 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label27_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-14_17-08-27-701.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label27_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-14_17-08-27-701.csv Received shutdown request...