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/Problem14_label47_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 11:50:13,351 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 11:50:13,354 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 11:50:13,367 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 11:50:13,367 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 11:50:13,368 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 11:50:13,369 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 11:50:13,371 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 11:50:13,373 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 11:50:13,374 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 11:50:13,374 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 11:50:13,375 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 11:50:13,376 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 11:50:13,377 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 11:50:13,378 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 11:50:13,379 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 11:50:13,379 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 11:50:13,381 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 11:50:13,383 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 11:50:13,385 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 11:50:13,386 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 11:50:13,387 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 11:50:13,389 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-18 11:50:13,390 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-18 11:50:13,390 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-18 11:50:13,391 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-18 11:50:13,392 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-18 11:50:13,392 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-18 11:50:13,393 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-18 11:50:13,394 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-18 11:50:13,395 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-18 11:50:13,395 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-18 11:50:13,396 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 11:50:13,396 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 11:50:13,397 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 11:50:13,398 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 11:50:13,398 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 [2018-09-18 11:50:13,423 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 11:50:13,423 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 11:50:13,424 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 11:50:13,424 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 11:50:13,425 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 11:50:13,425 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 11:50:13,425 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 11:50:13,425 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 11:50:13,425 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 11:50:13,428 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 11:50:13,428 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 11:50:13,428 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 11:50:13,429 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 11:50:13,429 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 11:50:13,429 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 11:50:13,431 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 11:50:13,431 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 11:50:13,431 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 11:50:13,432 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 11:50:13,432 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 11:50:13,432 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 11:50:13,434 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 11:50:13,434 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 11:50:13,434 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 11:50:13,434 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 11:50:13,435 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 11:50:13,435 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 11:50:13,435 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 11:50:13,435 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 11:50:13,435 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 11:50:13,435 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 11:50:13,436 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 11:50:13,436 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 11:50:13,436 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 11:50:13,491 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 11:50:13,506 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 11:50:13,515 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 11:50:13,516 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 11:50:13,517 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 11:50:13,518 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label47_true-unreach-call_false-termination.c [2018-09-18 11:50:13,876 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42580c379/82e01f69aa4d4094935e9e2a2fd22d1f/FLAG99ab825ba [2018-09-18 11:50:14,200 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 11:50:14,203 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label47_true-unreach-call_false-termination.c [2018-09-18 11:50:14,225 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42580c379/82e01f69aa4d4094935e9e2a2fd22d1f/FLAG99ab825ba [2018-09-18 11:50:14,247 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42580c379/82e01f69aa4d4094935e9e2a2fd22d1f [2018-09-18 11:50:14,263 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 11:50:14,267 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 11:50:14,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 11:50:14,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 11:50:14,279 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 11:50:14,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:50:14" (1/1) ... [2018-09-18 11:50:14,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@181c80c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:50:14, skipping insertion in model container [2018-09-18 11:50:14,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:50:14" (1/1) ... [2018-09-18 11:50:14,298 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 11:50:14,923 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 11:50:14,945 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 11:50:15,061 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 11:50:15,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:50:15 WrapperNode [2018-09-18 11:50:15,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 11:50:15,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 11:50:15,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 11:50:15,124 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 11:50:15,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:50:15" (1/1) ... [2018-09-18 11:50:15,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:50:15" (1/1) ... [2018-09-18 11:50:15,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 11:50:15,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 11:50:15,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 11:50:15,274 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 11:50:15,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:50:15" (1/1) ... [2018-09-18 11:50:15,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:50:15" (1/1) ... [2018-09-18 11:50:15,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:50:15" (1/1) ... [2018-09-18 11:50:15,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:50:15" (1/1) ... [2018-09-18 11:50:15,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:50:15" (1/1) ... [2018-09-18 11:50:15,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:50:15" (1/1) ... [2018-09-18 11:50:15,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:50:15" (1/1) ... [2018-09-18 11:50:15,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 11:50:15,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 11:50:15,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 11:50:15,527 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 11:50:15,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:50:15" (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 [2018-09-18 11:50:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 11:50:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 11:50:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-18 11:50:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-18 11:50:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 11:50:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 11:50:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 11:50:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 11:50:19,434 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 11:50:19,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:50:19 BoogieIcfgContainer [2018-09-18 11:50:19,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 11:50:19,436 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 11:50:19,437 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 11:50:19,440 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 11:50:19,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 11:50:14" (1/3) ... [2018-09-18 11:50:19,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415d67ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 11:50:19, skipping insertion in model container [2018-09-18 11:50:19,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:50:15" (2/3) ... [2018-09-18 11:50:19,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415d67ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 11:50:19, skipping insertion in model container [2018-09-18 11:50:19,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:50:19" (3/3) ... [2018-09-18 11:50:19,444 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label47_true-unreach-call_false-termination.c [2018-09-18 11:50:19,452 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 11:50:19,460 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 11:50:19,518 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 11:50:19,519 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 11:50:19,519 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 11:50:19,519 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 11:50:19,519 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 11:50:19,520 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 11:50:19,522 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 11:50:19,522 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 11:50:19,522 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 11:50:19,564 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-09-18 11:50:19,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-18 11:50:19,573 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:50:19,575 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] [2018-09-18 11:50:19,576 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:50:19,581 INFO L82 PathProgramCache]: Analyzing trace with hash -312611828, now seen corresponding path program 1 times [2018-09-18 11:50:19,584 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:50:19,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:50:19,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:50:19,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:50:19,639 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:50:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:50:20,004 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 11:50:20,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:50:20,047 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:50:20,047 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 11:50:20,050 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:50:20,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 11:50:20,077 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 11:50:20,078 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 11:50:20,080 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 3 states. [2018-09-18 11:50:21,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:50:21,860 INFO L93 Difference]: Finished difference Result 691 states and 1226 transitions. [2018-09-18 11:50:21,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 11:50:21,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-09-18 11:50:21,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:50:21,882 INFO L225 Difference]: With dead ends: 691 [2018-09-18 11:50:21,882 INFO L226 Difference]: Without dead ends: 434 [2018-09-18 11:50:21,891 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 11:50:21,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-09-18 11:50:21,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2018-09-18 11:50:21,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-09-18 11:50:21,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 765 transitions. [2018-09-18 11:50:21,984 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 765 transitions. Word has length 40 [2018-09-18 11:50:21,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:50:21,985 INFO L480 AbstractCegarLoop]: Abstraction has 434 states and 765 transitions. [2018-09-18 11:50:21,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 11:50:21,985 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 765 transitions. [2018-09-18 11:50:21,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-09-18 11:50:21,993 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:50:21,993 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:50:21,994 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:50:21,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1306869335, now seen corresponding path program 1 times [2018-09-18 11:50:21,994 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:50:21,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:50:21,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:50:21,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:50:21,996 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:50:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:50:22,322 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:50:22,322 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:50:22,322 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 11:50:22,323 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:50:22,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 11:50:22,325 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 11:50:22,325 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 11:50:22,326 INFO L87 Difference]: Start difference. First operand 434 states and 765 transitions. Second operand 6 states. [2018-09-18 11:50:24,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:50:24,754 INFO L93 Difference]: Finished difference Result 1062 states and 1897 transitions. [2018-09-18 11:50:24,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 11:50:24,754 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2018-09-18 11:50:24,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:50:24,762 INFO L225 Difference]: With dead ends: 1062 [2018-09-18 11:50:24,763 INFO L226 Difference]: Without dead ends: 634 [2018-09-18 11:50:24,767 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 11:50:24,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2018-09-18 11:50:24,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 625. [2018-09-18 11:50:24,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2018-09-18 11:50:24,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 1019 transitions. [2018-09-18 11:50:24,812 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 1019 transitions. Word has length 127 [2018-09-18 11:50:24,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:50:24,813 INFO L480 AbstractCegarLoop]: Abstraction has 625 states and 1019 transitions. [2018-09-18 11:50:24,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 11:50:24,814 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1019 transitions. [2018-09-18 11:50:24,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-09-18 11:50:24,820 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:50:24,821 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:50:24,821 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:50:24,821 INFO L82 PathProgramCache]: Analyzing trace with hash -327251684, now seen corresponding path program 1 times [2018-09-18 11:50:24,822 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:50:24,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:50:24,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:50:24,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:50:24,823 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:50:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:50:25,048 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:50:25,049 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:50:25,049 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-18 11:50:25,049 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:50:25,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-18 11:50:25,050 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-18 11:50:25,050 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-18 11:50:25,051 INFO L87 Difference]: Start difference. First operand 625 states and 1019 transitions. Second operand 4 states. [2018-09-18 11:50:31,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:50:31,869 INFO L93 Difference]: Finished difference Result 2352 states and 4016 transitions. [2018-09-18 11:50:31,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-18 11:50:31,873 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2018-09-18 11:50:31,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:50:31,890 INFO L225 Difference]: With dead ends: 2352 [2018-09-18 11:50:31,890 INFO L226 Difference]: Without dead ends: 1733 [2018-09-18 11:50:31,897 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-18 11:50:31,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1733 states. [2018-09-18 11:50:31,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1733 to 1733. [2018-09-18 11:50:31,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1733 states. [2018-09-18 11:50:31,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1733 states and 2647 transitions. [2018-09-18 11:50:31,972 INFO L78 Accepts]: Start accepts. Automaton has 1733 states and 2647 transitions. Word has length 136 [2018-09-18 11:50:31,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:50:31,973 INFO L480 AbstractCegarLoop]: Abstraction has 1733 states and 2647 transitions. [2018-09-18 11:50:31,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-18 11:50:31,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2647 transitions. [2018-09-18 11:50:32,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-09-18 11:50:32,001 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:50:32,002 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-18 11:50:32,002 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:50:32,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1546477901, now seen corresponding path program 1 times [2018-09-18 11:50:32,002 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:50:32,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:50:32,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:50:32,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:50:32,004 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:50:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:50:32,531 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 66 proven. 107 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:50:32,531 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:50:32,531 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 [2018-09-18 11:50:32,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:50:32,542 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:50:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:50:32,649 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:50:33,220 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-09-18 11:50:33,220 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:50:33,447 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-18 11:50:34,199 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 66 proven. 107 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:50:34,221 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-18 11:50:34,224 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 5] total 12 [2018-09-18 11:50:34,224 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:50:34,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 11:50:34,225 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 11:50:34,225 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-09-18 11:50:34,226 INFO L87 Difference]: Start difference. First operand 1733 states and 2647 transitions. Second operand 5 states. [2018-09-18 11:50:38,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:50:38,642 INFO L93 Difference]: Finished difference Result 4895 states and 7479 transitions. [2018-09-18 11:50:38,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 11:50:38,643 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 265 [2018-09-18 11:50:38,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:50:38,665 INFO L225 Difference]: With dead ends: 4895 [2018-09-18 11:50:38,666 INFO L226 Difference]: Without dead ends: 3168 [2018-09-18 11:50:38,677 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 525 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2018-09-18 11:50:38,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3168 states. [2018-09-18 11:50:38,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3168 to 3119. [2018-09-18 11:50:38,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3119 states. [2018-09-18 11:50:38,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3119 states to 3119 states and 4564 transitions. [2018-09-18 11:50:38,778 INFO L78 Accepts]: Start accepts. Automaton has 3119 states and 4564 transitions. Word has length 265 [2018-09-18 11:50:38,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:50:38,779 INFO L480 AbstractCegarLoop]: Abstraction has 3119 states and 4564 transitions. [2018-09-18 11:50:38,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 11:50:38,779 INFO L276 IsEmpty]: Start isEmpty. Operand 3119 states and 4564 transitions. [2018-09-18 11:50:38,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-09-18 11:50:38,793 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:50:38,794 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:50:38,794 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:50:38,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1842205852, now seen corresponding path program 1 times [2018-09-18 11:50:38,794 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:50:38,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:50:38,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:50:38,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:50:38,796 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:50:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:50:39,750 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 187 proven. 189 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:50:39,750 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:50:39,750 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) [2018-09-18 11:50:39,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:50:39,767 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 [2018-09-18 11:50:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:50:39,873 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:50:40,434 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 294 proven. 53 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-09-18 11:50:40,435 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:50:40,628 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-09-18 11:50:41,173 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 109 proven. 267 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:50:41,195 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:50:41,195 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 [2018-09-18 11:50:41,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:50:41,213 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:50:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:50:41,425 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:50:41,874 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 294 proven. 53 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-09-18 11:50:41,874 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:50:42,643 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 109 proven. 267 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:50:42,645 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 11:50:42,646 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8, 8, 8] total 26 [2018-09-18 11:50:42,646 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 11:50:42,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-18 11:50:42,648 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-18 11:50:42,649 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2018-09-18 11:50:42,649 INFO L87 Difference]: Start difference. First operand 3119 states and 4564 transitions. Second operand 15 states. [2018-09-18 11:50:47,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:50:47,642 INFO L93 Difference]: Finished difference Result 7622 states and 11100 transitions. [2018-09-18 11:50:47,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-09-18 11:50:47,643 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 350 [2018-09-18 11:50:47,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:50:47,666 INFO L225 Difference]: With dead ends: 7622 [2018-09-18 11:50:47,667 INFO L226 Difference]: Without dead ends: 4274 [2018-09-18 11:50:47,687 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1443 GetRequests, 1399 SyntacticMatches, 4 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=415, Invalid=1307, Unknown=0, NotChecked=0, Total=1722 [2018-09-18 11:50:47,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4274 states. [2018-09-18 11:50:47,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4274 to 3856. [2018-09-18 11:50:47,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3856 states. [2018-09-18 11:50:47,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3856 states to 3856 states and 5033 transitions. [2018-09-18 11:50:47,793 INFO L78 Accepts]: Start accepts. Automaton has 3856 states and 5033 transitions. Word has length 350 [2018-09-18 11:50:47,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:50:47,793 INFO L480 AbstractCegarLoop]: Abstraction has 3856 states and 5033 transitions. [2018-09-18 11:50:47,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-18 11:50:47,794 INFO L276 IsEmpty]: Start isEmpty. Operand 3856 states and 5033 transitions. [2018-09-18 11:50:47,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-09-18 11:50:47,812 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:50:47,812 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:50:47,812 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:50:47,813 INFO L82 PathProgramCache]: Analyzing trace with hash -937616225, now seen corresponding path program 1 times [2018-09-18 11:50:47,813 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:50:47,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:50:47,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:50:47,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:50:47,814 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:50:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:50:48,551 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 252 proven. 179 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:50:48,551 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:50:48,552 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 [2018-09-18 11:50:48,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:50:48,560 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:50:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:50:48,665 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:50:48,881 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2018-09-18 11:50:48,881 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:50:49,293 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 99 proven. 210 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-09-18 11:50:49,314 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-18 11:50:49,314 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [13, 5] total 17 [2018-09-18 11:50:49,314 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:50:49,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 11:50:49,315 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 11:50:49,315 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2018-09-18 11:50:49,315 INFO L87 Difference]: Start difference. First operand 3856 states and 5033 transitions. Second operand 5 states. [2018-09-18 11:50:51,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:50:51,884 INFO L93 Difference]: Finished difference Result 10932 states and 14499 transitions. [2018-09-18 11:50:51,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 11:50:51,884 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 375 [2018-09-18 11:50:51,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:50:51,920 INFO L225 Difference]: With dead ends: 10932 [2018-09-18 11:50:51,920 INFO L226 Difference]: Without dead ends: 7082 [2018-09-18 11:50:51,945 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 769 GetRequests, 747 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2018-09-18 11:50:51,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7082 states. [2018-09-18 11:50:52,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7082 to 6416. [2018-09-18 11:50:52,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6416 states. [2018-09-18 11:50:52,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6416 states to 6416 states and 8244 transitions. [2018-09-18 11:50:52,110 INFO L78 Accepts]: Start accepts. Automaton has 6416 states and 8244 transitions. Word has length 375 [2018-09-18 11:50:52,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:50:52,111 INFO L480 AbstractCegarLoop]: Abstraction has 6416 states and 8244 transitions. [2018-09-18 11:50:52,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 11:50:52,111 INFO L276 IsEmpty]: Start isEmpty. Operand 6416 states and 8244 transitions. [2018-09-18 11:50:52,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2018-09-18 11:50:52,148 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:50:52,149 INFO L376 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:50:52,149 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:50:52,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1470297180, now seen corresponding path program 1 times [2018-09-18 11:50:52,150 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:50:52,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:50:52,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:50:52,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:50:52,151 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:50:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:50:52,912 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 364 proven. 111 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2018-09-18 11:50:52,912 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:50:52,912 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:50:52,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:50:52,921 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:50:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:50:53,040 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:50:53,152 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 653 proven. 2 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2018-09-18 11:50:53,153 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:50:53,614 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 364 proven. 111 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2018-09-18 11:50:53,635 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:50:53,636 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 7 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 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 11:50:53,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:50:53,653 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:50:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:50:53,943 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:50:54,336 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 649 proven. 6 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2018-09-18 11:50:54,337 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:50:54,661 WARN L178 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-18 11:50:55,127 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 364 proven. 111 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2018-09-18 11:50:55,129 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 11:50:55,130 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5, 5, 5] total 8 [2018-09-18 11:50:55,130 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 11:50:55,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-18 11:50:55,132 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-18 11:50:55,132 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-09-18 11:50:55,132 INFO L87 Difference]: Start difference. First operand 6416 states and 8244 transitions. Second operand 7 states. [2018-09-18 11:50:57,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:50:57,693 INFO L93 Difference]: Finished difference Result 14395 states and 18836 transitions. [2018-09-18 11:50:57,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-18 11:50:57,694 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 486 [2018-09-18 11:50:57,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:50:57,728 INFO L225 Difference]: With dead ends: 14395 [2018-09-18 11:50:57,728 INFO L226 Difference]: Without dead ends: 7985 [2018-09-18 11:50:57,759 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1963 GetRequests, 1941 SyntacticMatches, 11 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2018-09-18 11:50:57,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7985 states. [2018-09-18 11:50:57,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7985 to 7716. [2018-09-18 11:50:57,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7716 states. [2018-09-18 11:50:57,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7716 states to 7716 states and 9416 transitions. [2018-09-18 11:50:57,925 INFO L78 Accepts]: Start accepts. Automaton has 7716 states and 9416 transitions. Word has length 486 [2018-09-18 11:50:57,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:50:57,926 INFO L480 AbstractCegarLoop]: Abstraction has 7716 states and 9416 transitions. [2018-09-18 11:50:57,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-18 11:50:57,926 INFO L276 IsEmpty]: Start isEmpty. Operand 7716 states and 9416 transitions. [2018-09-18 11:50:57,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2018-09-18 11:50:57,956 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:50:57,956 INFO L376 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:50:57,956 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:50:57,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1932331245, now seen corresponding path program 1 times [2018-09-18 11:50:57,957 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:50:57,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:50:57,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:50:57,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:50:57,958 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:50:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:50:58,566 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-18 11:50:58,751 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-18 11:50:59,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 496 proven. 481 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-09-18 11:50:59,612 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:50:59,613 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:50:59,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:50:59,621 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:50:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:50:59,768 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:51:00,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 859 proven. 2 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2018-09-18 11:51:00,237 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:51:00,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 490 proven. 111 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2018-09-18 11:51:00,932 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:51:00,932 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 9 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 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 11:51:00,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:51:00,950 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:51:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:51:01,301 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:51:01,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 651 proven. 210 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2018-09-18 11:51:01,823 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:51:02,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 201 proven. 689 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-09-18 11:51:02,712 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 11:51:02,713 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5, 8, 8] total 16 [2018-09-18 11:51:02,713 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 11:51:02,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-18 11:51:02,717 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-18 11:51:02,717 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2018-09-18 11:51:02,717 INFO L87 Difference]: Start difference. First operand 7716 states and 9416 transitions. Second operand 13 states. [2018-09-18 11:51:06,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:51:06,534 INFO L93 Difference]: Finished difference Result 15999 states and 20022 transitions. [2018-09-18 11:51:06,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-18 11:51:06,534 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 571 [2018-09-18 11:51:06,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:51:06,571 INFO L225 Difference]: With dead ends: 15999 [2018-09-18 11:51:06,571 INFO L226 Difference]: Without dead ends: 8088 [2018-09-18 11:51:06,597 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2312 GetRequests, 2274 SyntacticMatches, 15 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=171, Invalid=429, Unknown=0, NotChecked=0, Total=600 [2018-09-18 11:51:06,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8088 states. [2018-09-18 11:51:06,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8088 to 7881. [2018-09-18 11:51:06,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7881 states. [2018-09-18 11:51:06,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7881 states to 7881 states and 9307 transitions. [2018-09-18 11:51:06,777 INFO L78 Accepts]: Start accepts. Automaton has 7881 states and 9307 transitions. Word has length 571 [2018-09-18 11:51:06,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:51:06,777 INFO L480 AbstractCegarLoop]: Abstraction has 7881 states and 9307 transitions. [2018-09-18 11:51:06,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-18 11:51:06,778 INFO L276 IsEmpty]: Start isEmpty. Operand 7881 states and 9307 transitions. [2018-09-18 11:51:06,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2018-09-18 11:51:06,802 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:51:06,803 INFO L376 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:51:06,803 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:51:06,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1824359783, now seen corresponding path program 2 times [2018-09-18 11:51:06,804 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:51:06,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:51:06,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:51:06,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:51:06,805 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:51:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:51:08,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1272 backedges. 522 proven. 533 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2018-09-18 11:51:08,337 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:51:08,337 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:51:08,346 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-09-18 11:51:08,346 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-09-18 11:51:08,501 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-09-18 11:51:08,501 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-18 11:51:08,509 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:51:09,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1272 backedges. 911 proven. 2 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2018-09-18 11:51:09,258 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:51:09,423 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 36 [2018-09-18 11:51:10,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1272 backedges. 516 proven. 111 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked. [2018-09-18 11:51:10,117 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:51:10,117 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 11 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 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 11:51:10,135 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-09-18 11:51:10,135 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST1 (IT: FPandBP) [2018-09-18 11:51:10,488 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-09-18 11:51:10,488 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-18 11:51:10,504 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:51:11,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1272 backedges. 896 proven. 17 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2018-09-18 11:51:11,191 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:51:11,661 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 25 [2018-09-18 11:51:13,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1272 backedges. 195 proven. 747 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-09-18 11:51:13,328 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 11:51:13,329 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5, 10, 11] total 31 [2018-09-18 11:51:13,329 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 11:51:13,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-18 11:51:13,331 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-18 11:51:13,331 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=782, Unknown=0, NotChecked=0, Total=930 [2018-09-18 11:51:13,331 INFO L87 Difference]: Start difference. First operand 7881 states and 9307 transitions. Second operand 18 states. [2018-09-18 11:51:14,095 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 29 [2018-09-18 11:51:16,674 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 41 [2018-09-18 11:51:18,675 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2018-09-18 11:51:18,909 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2018-09-18 11:51:19,198 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2018-09-18 11:51:19,526 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2018-09-18 11:51:21,891 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2018-09-18 11:51:23,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:51:23,482 INFO L93 Difference]: Finished difference Result 19874 states and 24158 transitions. [2018-09-18 11:51:23,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-09-18 11:51:23,484 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 597 [2018-09-18 11:51:23,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:51:23,519 INFO L225 Difference]: With dead ends: 19874 [2018-09-18 11:51:23,519 INFO L226 Difference]: Without dead ends: 11999 [2018-09-18 11:51:23,550 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2465 GetRequests, 2386 SyntacticMatches, 14 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1188 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=813, Invalid=3609, Unknown=0, NotChecked=0, Total=4422 [2018-09-18 11:51:23,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11999 states. [2018-09-18 11:51:23,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11999 to 11268. [2018-09-18 11:51:23,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11268 states. [2018-09-18 11:51:23,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11268 states to 11268 states and 12850 transitions. [2018-09-18 11:51:23,782 INFO L78 Accepts]: Start accepts. Automaton has 11268 states and 12850 transitions. Word has length 597 [2018-09-18 11:51:23,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:51:23,784 INFO L480 AbstractCegarLoop]: Abstraction has 11268 states and 12850 transitions. [2018-09-18 11:51:23,784 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-18 11:51:23,784 INFO L276 IsEmpty]: Start isEmpty. Operand 11268 states and 12850 transitions. [2018-09-18 11:51:23,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 672 [2018-09-18 11:51:23,807 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:51:23,807 INFO L376 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:51:23,808 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:51:23,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1557642839, now seen corresponding path program 1 times [2018-09-18 11:51:23,808 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:51:23,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:51:23,809 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-18 11:51:23,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:51:23,809 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:51:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:51:24,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 523 proven. 111 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2018-09-18 11:51:24,796 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:51:24,796 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:51:24,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:51:24,812 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:51:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:51:24,982 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:51:25,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 919 proven. 2 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2018-09-18 11:51:25,427 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:51:26,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 523 proven. 111 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2018-09-18 11:51:26,259 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:51:26,259 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 13 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 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 11:51:26,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:51:26,275 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:51:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:51:26,639 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:51:26,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 919 proven. 2 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2018-09-18 11:51:26,878 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:51:27,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 523 proven. 111 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2018-09-18 11:51:27,333 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 11:51:27,334 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 9 [2018-09-18 11:51:27,334 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 11:51:27,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-18 11:51:27,335 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-18 11:51:27,336 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-09-18 11:51:27,336 INFO L87 Difference]: Start difference. First operand 11268 states and 12850 transitions. Second operand 7 states. [2018-09-18 11:51:30,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:51:30,041 INFO L93 Difference]: Finished difference Result 30809 states and 40290 transitions. [2018-09-18 11:51:30,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-18 11:51:30,041 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 671 [2018-09-18 11:51:30,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:51:30,187 INFO L225 Difference]: With dead ends: 30809 [2018-09-18 11:51:30,187 INFO L226 Difference]: Without dead ends: 19730 [2018-09-18 11:51:30,315 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2700 GetRequests, 2685 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2018-09-18 11:51:30,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19730 states. [2018-09-18 11:51:30,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19730 to 19270. [2018-09-18 11:51:30,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19270 states. [2018-09-18 11:51:31,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19270 states to 19270 states and 22375 transitions. [2018-09-18 11:51:31,101 INFO L78 Accepts]: Start accepts. Automaton has 19270 states and 22375 transitions. Word has length 671 [2018-09-18 11:51:31,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:51:31,103 INFO L480 AbstractCegarLoop]: Abstraction has 19270 states and 22375 transitions. [2018-09-18 11:51:31,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-18 11:51:31,103 INFO L276 IsEmpty]: Start isEmpty. Operand 19270 states and 22375 transitions. [2018-09-18 11:51:31,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2018-09-18 11:51:31,134 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:51:31,135 INFO L376 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:51:31,135 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:51:31,136 INFO L82 PathProgramCache]: Analyzing trace with hash 841630776, now seen corresponding path program 1 times [2018-09-18 11:51:31,136 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:51:31,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:51:31,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:51:31,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:51:31,137 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:51:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:51:33,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2195 backedges. 768 proven. 828 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2018-09-18 11:51:33,056 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:51:33,056 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:51:33,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:51:33,065 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:51:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:51:33,260 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:51:34,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2195 backedges. 1298 proven. 2 refuted. 0 times theorem prover too weak. 895 trivial. 0 not checked. [2018-09-18 11:51:34,465 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:51:34,826 WARN L178 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2018-09-18 11:51:35,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2195 backedges. 756 proven. 111 refuted. 0 times theorem prover too weak. 1328 trivial. 0 not checked. [2018-09-18 11:51:35,722 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:51:35,722 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 15 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 15 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 11:51:35,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:51:35,737 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:51:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:51:36,153 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:51:36,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2195 backedges. 1290 proven. 10 refuted. 0 times theorem prover too weak. 895 trivial. 0 not checked. [2018-09-18 11:51:36,649 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:51:36,825 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 36 [2018-09-18 11:51:38,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2195 backedges. 261 proven. 1068 refuted. 0 times theorem prover too weak. 866 trivial. 0 not checked. [2018-09-18 11:51:38,240 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 11:51:38,241 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5, 8, 8] total 28 [2018-09-18 11:51:38,241 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 11:51:38,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-09-18 11:51:38,243 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-09-18 11:51:38,243 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=623, Unknown=0, NotChecked=0, Total=756 [2018-09-18 11:51:38,244 INFO L87 Difference]: Start difference. First operand 19270 states and 22375 transitions. Second operand 17 states. [2018-09-18 11:51:46,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:51:46,236 INFO L93 Difference]: Finished difference Result 38240 states and 46874 transitions. [2018-09-18 11:51:46,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-09-18 11:51:46,239 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 760 [2018-09-18 11:51:46,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:51:46,332 INFO L225 Difference]: With dead ends: 38240 [2018-09-18 11:51:46,332 INFO L226 Difference]: Without dead ends: 18375 [2018-09-18 11:51:46,424 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3123 GetRequests, 3045 SyntacticMatches, 8 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1422 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=1093, Invalid=4019, Unknown=0, NotChecked=0, Total=5112 [2018-09-18 11:51:46,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18375 states. [2018-09-18 11:51:46,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18375 to 17887. [2018-09-18 11:51:46,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17887 states. [2018-09-18 11:51:46,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17887 states to 17887 states and 20333 transitions. [2018-09-18 11:51:46,831 INFO L78 Accepts]: Start accepts. Automaton has 17887 states and 20333 transitions. Word has length 760 [2018-09-18 11:51:46,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:51:46,832 INFO L480 AbstractCegarLoop]: Abstraction has 17887 states and 20333 transitions. [2018-09-18 11:51:46,832 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-09-18 11:51:46,832 INFO L276 IsEmpty]: Start isEmpty. Operand 17887 states and 20333 transitions. [2018-09-18 11:51:46,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 832 [2018-09-18 11:51:46,848 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:51:46,848 INFO L376 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:51:46,849 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:51:46,849 INFO L82 PathProgramCache]: Analyzing trace with hash 332628711, now seen corresponding path program 1 times [2018-09-18 11:51:46,850 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:51:46,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:51:46,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:51:46,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:51:46,851 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:51:46,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:51:47,395 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 11:51:48,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1924 backedges. 653 proven. 551 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2018-09-18 11:51:48,284 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:51:48,284 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:51:48,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:51:48,292 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:51:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:51:48,502 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:51:48,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1924 backedges. 1227 proven. 2 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2018-09-18 11:51:48,819 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:51:49,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1924 backedges. 724 proven. 111 refuted. 0 times theorem prover too weak. 1089 trivial. 0 not checked. [2018-09-18 11:51:49,340 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:51:49,340 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 17 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 17 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 11:51:49,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:51:49,358 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:51:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:51:49,940 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:51:50,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1924 backedges. 1227 proven. 2 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2018-09-18 11:51:50,185 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:51:50,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1924 backedges. 724 proven. 111 refuted. 0 times theorem prover too weak. 1089 trivial. 0 not checked. [2018-09-18 11:51:50,586 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 11:51:50,587 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5, 5, 5] total 16 [2018-09-18 11:51:50,587 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 11:51:50,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-18 11:51:50,589 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-18 11:51:50,589 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2018-09-18 11:51:50,589 INFO L87 Difference]: Start difference. First operand 17887 states and 20333 transitions. Second operand 14 states. [2018-09-18 11:51:59,191 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-09-18 11:52:02,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:52:02,297 INFO L93 Difference]: Finished difference Result 35709 states and 41145 transitions. [2018-09-18 11:52:02,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-09-18 11:52:02,297 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 831 [2018-09-18 11:52:02,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:52:02,345 INFO L225 Difference]: With dead ends: 35709 [2018-09-18 11:52:02,346 INFO L226 Difference]: Without dead ends: 17685 [2018-09-18 11:52:02,406 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3491 GetRequests, 3388 SyntacticMatches, 5 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3630 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1617, Invalid=8283, Unknown=0, NotChecked=0, Total=9900 [2018-09-18 11:52:02,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17685 states. [2018-09-18 11:52:02,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17685 to 17196. [2018-09-18 11:52:02,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17196 states. [2018-09-18 11:52:02,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17196 states to 17196 states and 18958 transitions. [2018-09-18 11:52:02,703 INFO L78 Accepts]: Start accepts. Automaton has 17196 states and 18958 transitions. Word has length 831 [2018-09-18 11:52:02,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:52:02,704 INFO L480 AbstractCegarLoop]: Abstraction has 17196 states and 18958 transitions. [2018-09-18 11:52:02,704 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-18 11:52:02,704 INFO L276 IsEmpty]: Start isEmpty. Operand 17196 states and 18958 transitions. [2018-09-18 11:52:02,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1073 [2018-09-18 11:52:02,728 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:52:02,728 INFO L376 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:52:02,729 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:52:02,729 INFO L82 PathProgramCache]: Analyzing trace with hash 569539768, now seen corresponding path program 1 times [2018-09-18 11:52:02,729 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:52:02,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:52:02,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:52:02,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:52:02,731 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:52:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:52:03,685 INFO L134 CoverageAnalysis]: Checked inductivity of 3173 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 2888 trivial. 0 not checked. [2018-09-18 11:52:03,685 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:52:03,686 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 11:52:03,686 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:52:03,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 11:52:03,686 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 11:52:03,687 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 11:52:03,687 INFO L87 Difference]: Start difference. First operand 17196 states and 18958 transitions. Second operand 3 states. [2018-09-18 11:52:04,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:52:04,540 INFO L93 Difference]: Finished difference Result 34607 states and 38351 transitions. [2018-09-18 11:52:04,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 11:52:04,544 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1072 [2018-09-18 11:52:04,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:52:04,545 INFO L225 Difference]: With dead ends: 34607 [2018-09-18 11:52:04,546 INFO L226 Difference]: Without dead ends: 0 [2018-09-18 11:52:04,598 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 11:52:04,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-18 11:52:04,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-18 11:52:04,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-18 11:52:04,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-18 11:52:04,599 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1072 [2018-09-18 11:52:04,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:52:04,600 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-18 11:52:04,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 11:52:04,600 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-18 11:52:04,600 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-18 11:52:04,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-18 11:52:04,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:52:04,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:52:06,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:52:06,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:52:06,573 WARN L178 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 650 DAG size of output: 614 [2018-09-18 11:52:06,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:52:07,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:52:07,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:52:07,900 WARN L178 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 650 DAG size of output: 614 [2018-09-18 11:52:08,359 WARN L178 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 16 [2018-09-18 11:52:08,629 WARN L178 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 29 [2018-09-18 11:52:09,712 WARN L178 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 279 DAG size of output: 42 [2018-09-18 11:52:13,288 WARN L178 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 614 DAG size of output: 48 [2018-09-18 11:52:19,151 WARN L178 SmtUtils]: Spent 5.86 s on a formula simplification. DAG size of input: 614 DAG size of output: 48 [2018-09-18 11:52:19,154 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-18 11:52:19,155 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-09-18 11:52:19,155 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-18 11:52:19,155 INFO L426 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-09-18 11:52:19,155 INFO L426 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-09-18 11:52:19,155 INFO L426 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,155 INFO L426 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,155 INFO L426 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,155 INFO L426 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-09-18 11:52:19,155 INFO L426 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-09-18 11:52:19,155 INFO L426 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-09-18 11:52:19,156 INFO L426 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-09-18 11:52:19,156 INFO L426 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-09-18 11:52:19,156 INFO L426 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-09-18 11:52:19,156 INFO L426 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-09-18 11:52:19,156 INFO L426 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-09-18 11:52:19,156 INFO L426 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,156 INFO L426 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,156 INFO L426 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,156 INFO L426 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-09-18 11:52:19,156 INFO L426 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-09-18 11:52:19,157 INFO L426 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-09-18 11:52:19,157 INFO L426 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-09-18 11:52:19,157 INFO L426 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-09-18 11:52:19,157 INFO L426 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-09-18 11:52:19,157 INFO L426 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-09-18 11:52:19,157 INFO L426 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-09-18 11:52:19,157 INFO L426 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,157 INFO L426 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,157 INFO L426 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,157 INFO L426 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-09-18 11:52:19,157 INFO L426 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-09-18 11:52:19,157 INFO L426 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-09-18 11:52:19,157 INFO L426 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-09-18 11:52:19,158 INFO L426 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-09-18 11:52:19,158 INFO L426 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-09-18 11:52:19,158 INFO L426 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-09-18 11:52:19,158 INFO L426 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-09-18 11:52:19,158 INFO L426 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-09-18 11:52:19,158 INFO L426 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,158 INFO L426 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,159 INFO L426 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,159 INFO L426 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-09-18 11:52:19,159 INFO L426 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-09-18 11:52:19,159 INFO L426 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-09-18 11:52:19,159 INFO L426 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-09-18 11:52:19,159 INFO L426 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-09-18 11:52:19,159 INFO L426 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-09-18 11:52:19,159 INFO L426 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-09-18 11:52:19,159 INFO L426 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,160 INFO L426 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,160 INFO L426 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,160 INFO L426 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-09-18 11:52:19,160 INFO L426 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-09-18 11:52:19,160 INFO L426 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-09-18 11:52:19,160 INFO L426 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-09-18 11:52:19,160 INFO L426 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-09-18 11:52:19,160 INFO L426 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-09-18 11:52:19,160 INFO L426 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-09-18 11:52:19,161 INFO L426 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-09-18 11:52:19,161 INFO L426 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-09-18 11:52:19,161 INFO L426 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,161 INFO L426 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,161 INFO L426 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,161 INFO L426 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,161 INFO L426 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-09-18 11:52:19,161 INFO L426 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-09-18 11:52:19,161 INFO L426 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-09-18 11:52:19,162 INFO L426 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-09-18 11:52:19,162 INFO L426 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-09-18 11:52:19,162 INFO L426 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-09-18 11:52:19,162 INFO L426 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-09-18 11:52:19,162 INFO L426 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-09-18 11:52:19,162 INFO L426 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,162 INFO L426 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,162 INFO L426 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,162 INFO L426 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-09-18 11:52:19,162 INFO L426 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-09-18 11:52:19,163 INFO L426 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-09-18 11:52:19,163 INFO L426 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-09-18 11:52:19,163 INFO L426 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-09-18 11:52:19,163 INFO L426 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-09-18 11:52:19,163 INFO L426 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-09-18 11:52:19,163 INFO L426 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-09-18 11:52:19,163 INFO L426 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,163 INFO L426 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,163 INFO L426 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,163 INFO L426 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-09-18 11:52:19,163 INFO L426 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-09-18 11:52:19,163 INFO L426 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-09-18 11:52:19,163 INFO L426 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-09-18 11:52:19,164 INFO L426 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-09-18 11:52:19,164 INFO L426 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-09-18 11:52:19,164 INFO L422 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse3 (= ~a12~0 |old(~a12~0)|)) (.cse4 (<= |old(~a21~0)| ~a21~0)) (.cse5 (= |old(~a15~0)| ~a15~0)) (.cse6 (<= ~a21~0 |old(~a21~0)|))) (let ((.cse1 (= 10 |old(~a15~0)|)) (.cse7 (= 7 |old(~a15~0)|)) (.cse2 (not (= 1 |old(~a24~0)|))) (.cse0 (and .cse3 .cse4 .cse5 (= 1 ~a24~0) .cse6)) (.cse8 (= 9 |old(~a15~0)|))) (and (or .cse0 .cse1 (= 9 |old(~a21~0)|) .cse2) (or .cse1 (not (= 6 |old(~a21~0)|)) (and .cse3 (= ~a24~0 |old(~a24~0)|) .cse4 .cse5 .cse6) (< 0 (+ |old(~a12~0)| 49)) .cse7 .cse8) (or .cse1 (< |old(~a12~0)| 12) .cse0 .cse2) (or .cse1 .cse7 .cse2 .cse0 .cse8)))) [2018-09-18 11:52:19,164 INFO L426 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-09-18 11:52:19,164 INFO L426 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-09-18 11:52:19,164 INFO L426 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,164 INFO L426 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,164 INFO L426 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,164 INFO L426 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-09-18 11:52:19,165 INFO L426 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-09-18 11:52:19,165 INFO L426 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-09-18 11:52:19,165 INFO L426 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-09-18 11:52:19,165 INFO L426 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-09-18 11:52:19,165 INFO L426 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-09-18 11:52:19,165 INFO L426 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-09-18 11:52:19,165 INFO L426 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-09-18 11:52:19,165 INFO L426 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,165 INFO L426 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,165 INFO L426 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,165 INFO L426 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-09-18 11:52:19,166 INFO L426 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-09-18 11:52:19,166 INFO L426 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-09-18 11:52:19,166 INFO L426 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-09-18 11:52:19,166 INFO L426 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-09-18 11:52:19,166 INFO L426 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-09-18 11:52:19,166 INFO L426 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-09-18 11:52:19,166 INFO L426 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-09-18 11:52:19,166 INFO L426 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,166 INFO L426 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,166 INFO L426 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,166 INFO L426 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 103) no Hoare annotation was computed. [2018-09-18 11:52:19,167 INFO L426 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-09-18 11:52:19,167 INFO L426 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-09-18 11:52:19,167 INFO L426 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-09-18 11:52:19,167 INFO L426 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-09-18 11:52:19,167 INFO L426 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-09-18 11:52:19,167 INFO L426 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-09-18 11:52:19,167 INFO L426 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-09-18 11:52:19,167 INFO L426 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-09-18 11:52:19,167 INFO L426 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,167 INFO L426 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,168 INFO L426 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,168 INFO L426 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-09-18 11:52:19,168 INFO L426 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-09-18 11:52:19,168 INFO L426 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-09-18 11:52:19,168 INFO L426 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-09-18 11:52:19,168 INFO L426 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-09-18 11:52:19,168 INFO L426 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-09-18 11:52:19,168 INFO L426 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-09-18 11:52:19,168 INFO L426 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-09-18 11:52:19,168 INFO L426 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,169 INFO L426 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,169 INFO L426 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-09-18 11:52:19,169 INFO L426 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-09-18 11:52:19,169 INFO L426 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-09-18 11:52:19,169 INFO L426 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-09-18 11:52:19,169 INFO L426 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-09-18 11:52:19,169 INFO L426 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-09-18 11:52:19,169 INFO L426 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-09-18 11:52:19,169 INFO L426 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-09-18 11:52:19,169 INFO L426 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,169 INFO L426 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,170 INFO L426 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-09-18 11:52:19,170 INFO L426 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-09-18 11:52:19,170 INFO L426 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-09-18 11:52:19,170 INFO L426 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-09-18 11:52:19,170 INFO L426 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-09-18 11:52:19,170 INFO L426 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-09-18 11:52:19,170 INFO L426 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,170 INFO L426 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,170 INFO L426 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-09-18 11:52:19,170 INFO L426 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-09-18 11:52:19,171 INFO L426 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-09-18 11:52:19,171 INFO L426 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-09-18 11:52:19,171 INFO L426 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-09-18 11:52:19,171 INFO L426 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-09-18 11:52:19,171 INFO L426 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-09-18 11:52:19,171 INFO L426 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-09-18 11:52:19,171 INFO L426 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,171 INFO L426 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,171 INFO L426 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-09-18 11:52:19,171 INFO L426 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-09-18 11:52:19,171 INFO L426 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-09-18 11:52:19,172 INFO L426 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-09-18 11:52:19,172 INFO L426 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-09-18 11:52:19,172 INFO L426 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-09-18 11:52:19,172 INFO L426 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-09-18 11:52:19,172 INFO L426 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,172 INFO L426 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,172 INFO L426 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,172 INFO L426 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-09-18 11:52:19,172 INFO L426 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-09-18 11:52:19,172 INFO L426 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-09-18 11:52:19,172 INFO L426 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-09-18 11:52:19,173 INFO L426 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-09-18 11:52:19,173 INFO L426 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-09-18 11:52:19,173 INFO L426 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,173 INFO L426 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,173 INFO L426 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-09-18 11:52:19,173 INFO L426 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,173 INFO L426 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-09-18 11:52:19,173 INFO L426 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-09-18 11:52:19,173 INFO L426 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-09-18 11:52:19,173 INFO L426 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-09-18 11:52:19,174 INFO L426 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-09-18 11:52:19,174 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-18 11:52:19,174 INFO L426 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-09-18 11:52:19,174 INFO L426 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-09-18 11:52:19,174 INFO L426 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-09-18 11:52:19,174 INFO L426 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-09-18 11:52:19,174 INFO L426 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,174 INFO L426 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,174 INFO L426 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,174 INFO L426 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-09-18 11:52:19,175 INFO L426 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-09-18 11:52:19,175 INFO L426 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-09-18 11:52:19,175 INFO L426 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-09-18 11:52:19,175 INFO L426 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-09-18 11:52:19,175 INFO L426 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-09-18 11:52:19,175 INFO L426 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-09-18 11:52:19,175 INFO L426 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-09-18 11:52:19,175 INFO L426 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,175 INFO L426 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,175 INFO L426 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,175 INFO L426 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-09-18 11:52:19,176 INFO L426 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-09-18 11:52:19,176 INFO L426 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-09-18 11:52:19,176 INFO L426 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-09-18 11:52:19,176 INFO L426 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-09-18 11:52:19,176 INFO L426 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-09-18 11:52:19,176 INFO L426 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-09-18 11:52:19,176 INFO L426 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-09-18 11:52:19,176 INFO L426 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,176 INFO L426 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,176 INFO L426 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,176 INFO L426 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-09-18 11:52:19,177 INFO L426 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-09-18 11:52:19,177 INFO L426 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-09-18 11:52:19,177 INFO L426 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-09-18 11:52:19,177 INFO L426 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-09-18 11:52:19,177 INFO L426 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-09-18 11:52:19,177 INFO L426 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-09-18 11:52:19,177 INFO L426 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-09-18 11:52:19,177 INFO L426 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-09-18 11:52:19,177 INFO L426 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,177 INFO L426 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,178 INFO L426 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-09-18 11:52:19,178 INFO L426 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-09-18 11:52:19,178 INFO L426 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-09-18 11:52:19,178 INFO L426 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-09-18 11:52:19,178 INFO L426 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-09-18 11:52:19,178 INFO L426 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-09-18 11:52:19,178 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-18 11:52:19,178 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a21~0 7) (<= 7 ~a21~0) (= 1 ~a24~0) (= 8 ~a15~0) (<= (+ ~a12~0 49) 0)) [2018-09-18 11:52:19,178 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-18 11:52:19,179 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-18 11:52:19,179 INFO L422 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (< 0 (+ |old(~a12~0)| 49)) (and (= ~a12~0 |old(~a12~0)|) (<= |old(~a21~0)| ~a21~0) (= 1 ~a24~0) (<= ~a21~0 |old(~a21~0)|) (= 8 ~a15~0)) (not (= 8 |old(~a15~0)|)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|))) [2018-09-18 11:52:19,179 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-09-18 11:52:19,179 INFO L422 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse2 (not (= ~a15~0 9))) (.cse3 (not (= ~a15~0 7))) (.cse0 (not (= ~a15~0 10))) (.cse1 (= 1 ~a24~0))) (or (not (= 8 |old(~a15~0)|)) (and .cse0 (<= 12 ~a12~0) .cse1) (and .cse0 (and .cse2 .cse1 .cse3)) (< 0 (+ |old(~a12~0)| 49)) (and (= 6 ~a21~0) (<= (+ ~a12~0 49) 0) .cse2 .cse0 .cse3) (< 7 |old(~a21~0)|) (and .cse0 (and (not (= 9 ~a21~0)) .cse1)) (< |old(~a21~0)| 7) (not (= 1 |old(~a24~0)|)))) [2018-09-18 11:52:19,179 INFO L426 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-09-18 11:52:19,179 INFO L426 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-09-18 11:52:19,179 INFO L426 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-09-18 11:52:19,180 INFO L422 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (let ((.cse2 (not (= ~a15~0 9))) (.cse3 (not (= ~a15~0 7))) (.cse0 (not (= ~a15~0 10))) (.cse1 (= 1 ~a24~0))) (or (not (= 8 |old(~a15~0)|)) (and .cse0 (<= 12 ~a12~0) .cse1) (and .cse0 (and .cse2 .cse1 .cse3)) (< 0 (+ |old(~a12~0)| 49)) (and (= 6 ~a21~0) (<= (+ ~a12~0 49) 0) .cse2 .cse0 .cse3) (< 7 |old(~a21~0)|) (and .cse0 (and (not (= 9 ~a21~0)) .cse1)) (< |old(~a21~0)| 7) (not (= 1 |old(~a24~0)|)))) [2018-09-18 11:52:19,180 INFO L426 ceAbstractionStarter]: For program point L880-4(lines 874 890) no Hoare annotation was computed. [2018-09-18 11:52:19,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 11:52:19 BoogieIcfgContainer [2018-09-18 11:52:19,196 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 11:52:19,197 INFO L168 Benchmark]: Toolchain (without parser) took 124933.40 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -143.3 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-09-18 11:52:19,198 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 11:52:19,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 852.48 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. [2018-09-18 11:52:19,199 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.22 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. [2018-09-18 11:52:19,200 INFO L168 Benchmark]: Boogie Preprocessor took 251.87 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 784.3 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -879.0 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. [2018-09-18 11:52:19,201 INFO L168 Benchmark]: RCFGBuilder took 3909.20 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 119.9 MB). Peak memory consumption was 119.9 MB. Max. memory is 7.1 GB. [2018-09-18 11:52:19,202 INFO L168 Benchmark]: TraceAbstraction took 119759.47 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 562.9 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-09-18 11:52:19,207 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 852.48 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 150.22 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 251.87 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 784.3 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -879.0 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3909.20 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 119.9 MB). Peak memory consumption was 119.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 119759.47 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 562.9 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 103]: 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: 880]: Loop Invariant Derived loop invariant: (((((((!(8 == \old(a15)) || ((!(a15 == 10) && 12 <= a12) && 1 == a24)) || (!(a15 == 10) && (!(a15 == 9) && 1 == a24) && !(a15 == 7))) || 0 < \old(a12) + 49) || ((((6 == a21 && a12 + 49 <= 0) && !(a15 == 9)) && !(a15 == 10)) && !(a15 == 7))) || 7 < \old(a21)) || (!(a15 == 10) && !(9 == a21) && 1 == a24)) || \old(a21) < 7) || !(1 == \old(a24)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. SAFE Result, 119.6s OverallTime, 13 OverallIterations, 9 TraceHistogramMax, 63.8s AutomataDifference, 0.0s DeadEndRemovalTime, 14.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1608 SDtfs, 27137 SDslu, 2800 SDs, 0 SdLazy, 34464 SolverSat, 5521 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 44.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18832 GetRequests, 18400 SyntacticMatches, 70 SemanticMatches, 362 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7115 ImplicationChecksByTransitivity, 17.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19270occurred in iteration=10, 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: 2.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 3786 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 408 PreInvPairs, 568 NumberOfFragments, 359 HoareAnnotationTreeSize, 408 FomulaSimplifications, 112977 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 175628 FormulaSimplificationTreeSizeReductionInter, 11.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 3.9s SatisfiabilityAnalysisTime, 28.6s InterpolantComputationTime, 15453 NumberOfCodeBlocks, 15453 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 24580 ConstructedInterpolants, 0 QuantifiedInterpolants, 71435730 SizeOfPredicates, 60 NumberOfNonLiveVariables, 13748 ConjunctsInSsa, 292 ConjunctsInUnsatCore, 45 InterpolantComputations, 6 PerfectInterpolantSequences, 42342/50151 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/Problem14_label47_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_11-52-19-222.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem14_label47_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-18_11-52-19-222.csv Received shutdown request...