java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label00_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-14 17:05:25,668 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-14 17:05:25,671 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-14 17:05:25,688 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-14 17:05:25,688 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-14 17:05:25,689 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-14 17:05:25,691 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-14 17:05:25,692 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-14 17:05:25,694 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-14 17:05:25,695 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-14 17:05:25,696 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-14 17:05:25,696 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-14 17:05:25,697 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-14 17:05:25,698 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-14 17:05:25,699 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-14 17:05:25,700 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-14 17:05:25,704 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-14 17:05:25,708 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-14 17:05:25,710 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-14 17:05:25,713 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-14 17:05:25,714 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-14 17:05:25,718 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-14 17:05:25,723 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-14 17:05:25,723 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-14 17:05:25,723 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-14 17:05:25,724 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-14 17:05:25,727 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-14 17:05:25,728 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-14 17:05:25,729 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-14 17:05:25,731 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-14 17:05:25,732 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-14 17:05:25,732 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-14 17:05:25,733 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-14 17:05:25,734 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-14 17:05:25,735 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-14 17:05:25,735 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-14 17:05:25,737 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-14 17:05:25,762 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-14 17:05:25,762 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-14 17:05:25,765 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-14 17:05:25,765 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-14 17:05:25,766 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-14 17:05:25,766 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-14 17:05:25,766 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-14 17:05:25,766 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-14 17:05:25,766 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-14 17:05:25,767 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-14 17:05:25,767 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-14 17:05:25,768 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-14 17:05:25,768 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-14 17:05:25,768 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-14 17:05:25,768 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-14 17:05:25,768 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-14 17:05:25,769 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-14 17:05:25,769 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-14 17:05:25,769 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-14 17:05:25,769 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-14 17:05:25,769 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-14 17:05:25,770 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-14 17:05:25,770 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-14 17:05:25,770 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 17:05:25,770 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-14 17:05:25,770 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-14 17:05:25,771 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-14 17:05:25,771 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-14 17:05:25,771 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-14 17:05:25,771 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-14 17:05:25,771 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-14 17:05:25,772 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-14 17:05:25,772 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-14 17:05:25,850 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-14 17:05:25,865 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-14 17:05:25,870 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-14 17:05:25,872 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-14 17:05:25,872 INFO L276 PluginConnector]: CDTParser initialized [2018-09-14 17:05:25,873 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label00_true-unreach-call.c [2018-09-14 17:05:26,228 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e68b8f83f/cefb4651a5964fafb8a16690278ed8c3/FLAGa5afca47a [2018-09-14 17:05:26,487 INFO L277 CDTParser]: Found 1 translation units. [2018-09-14 17:05:26,488 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label00_true-unreach-call.c [2018-09-14 17:05:26,508 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e68b8f83f/cefb4651a5964fafb8a16690278ed8c3/FLAGa5afca47a [2018-09-14 17:05:26,526 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e68b8f83f/cefb4651a5964fafb8a16690278ed8c3 [2018-09-14 17:05:26,538 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-14 17:05:26,542 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-14 17:05:26,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-14 17:05:26,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-14 17:05:26,550 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-14 17:05:26,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 05:05:26" (1/1) ... [2018-09-14 17:05:26,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37b1759e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:05:26, skipping insertion in model container [2018-09-14 17:05:26,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 05:05:26" (1/1) ... [2018-09-14 17:05:26,566 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-14 17:05:27,072 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 17:05:27,090 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-14 17:05:27,198 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 17:05:27,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:05:27 WrapperNode [2018-09-14 17:05:27,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-14 17:05:27,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-14 17:05:27,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-14 17:05:27,260 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-14 17:05:27,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:05:27" (1/1) ... [2018-09-14 17:05:27,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:05:27" (1/1) ... [2018-09-14 17:05:27,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-14 17:05:27,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-14 17:05:27,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-14 17:05:27,373 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-14 17:05:27,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:05:27" (1/1) ... [2018-09-14 17:05:27,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:05:27" (1/1) ... [2018-09-14 17:05:27,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:05:27" (1/1) ... [2018-09-14 17:05:27,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:05:27" (1/1) ... [2018-09-14 17:05:27,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:05:27" (1/1) ... [2018-09-14 17:05:27,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:05:27" (1/1) ... [2018-09-14 17:05:27,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:05:27" (1/1) ... [2018-09-14 17:05:27,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-14 17:05:27,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-14 17:05:27,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-14 17:05:27,606 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-14 17:05:27,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:05:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 17:05:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-14 17:05:27,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-14 17:05:27,689 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-14 17:05:27,689 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-14 17:05:27,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-14 17:05:27,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-14 17:05:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-14 17:05:27,690 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-14 17:05:31,273 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-14 17:05:31,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 05:05:31 BoogieIcfgContainer [2018-09-14 17:05:31,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-14 17:05:31,275 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-14 17:05:31,275 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-14 17:05:31,278 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-14 17:05:31,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 05:05:26" (1/3) ... [2018-09-14 17:05:31,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@783b11e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 05:05:31, skipping insertion in model container [2018-09-14 17:05:31,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 05:05:27" (2/3) ... [2018-09-14 17:05:31,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@783b11e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 05:05:31, skipping insertion in model container [2018-09-14 17:05:31,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 05:05:31" (3/3) ... [2018-09-14 17:05:31,282 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label00_true-unreach-call.c [2018-09-14 17:05:31,292 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-14 17:05:31,302 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-14 17:05:31,367 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-14 17:05:31,368 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-14 17:05:31,368 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-14 17:05:31,368 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-14 17:05:31,368 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-14 17:05:31,368 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-14 17:05:31,369 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-14 17:05:31,369 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-14 17:05:31,369 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-14 17:05:31,408 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-09-14 17:05:31,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-14 17:05:31,418 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:05:31,419 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:05:31,420 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:05:31,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1416877404, now seen corresponding path program 1 times [2018-09-14 17:05:31,429 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:05:31,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:05:31,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:05:31,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:05:31,484 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:05:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:05:31,960 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 17:05:32,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:05:32,062 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:05:32,063 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 17:05:32,063 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:05:32,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 17:05:32,085 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 17:05:32,086 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 17:05:32,089 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-09-14 17:05:33,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:05:33,368 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-09-14 17:05:33,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 17:05:33,371 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-09-14 17:05:33,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:05:33,388 INFO L225 Difference]: With dead ends: 574 [2018-09-14 17:05:33,389 INFO L226 Difference]: Without dead ends: 356 [2018-09-14 17:05:33,396 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 17:05:33,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-09-14 17:05:33,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-09-14 17:05:33,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-09-14 17:05:33,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-09-14 17:05:33,472 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 54 [2018-09-14 17:05:33,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:05:33,473 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-09-14 17:05:33,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 17:05:33,473 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-09-14 17:05:33,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-09-14 17:05:33,482 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:05:33,483 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:05:33,483 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:05:33,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1936663800, now seen corresponding path program 1 times [2018-09-14 17:05:33,484 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:05:33,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:05:33,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:05:33,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:05:33,486 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:05:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:05:33,894 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:05:33,894 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:05:33,895 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-14 17:05:33,895 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:05:33,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-14 17:05:33,897 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-14 17:05:33,898 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-14 17:05:33,898 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 4 states. [2018-09-14 17:05:36,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:05:36,065 INFO L93 Difference]: Finished difference Result 1282 states and 2328 transitions. [2018-09-14 17:05:36,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-14 17:05:36,068 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 174 [2018-09-14 17:05:36,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:05:36,078 INFO L225 Difference]: With dead ends: 1282 [2018-09-14 17:05:36,079 INFO L226 Difference]: Without dead ends: 932 [2018-09-14 17:05:36,084 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-14 17:05:36,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2018-09-14 17:05:36,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 932. [2018-09-14 17:05:36,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 932 states. [2018-09-14 17:05:36,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1469 transitions. [2018-09-14 17:05:36,171 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1469 transitions. Word has length 174 [2018-09-14 17:05:36,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:05:36,175 INFO L480 AbstractCegarLoop]: Abstraction has 932 states and 1469 transitions. [2018-09-14 17:05:36,176 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-14 17:05:36,176 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1469 transitions. [2018-09-14 17:05:36,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-09-14 17:05:36,192 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:05:36,192 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:05:36,193 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:05:36,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1693717853, now seen corresponding path program 1 times [2018-09-14 17:05:36,193 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:05:36,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:05:36,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:05:36,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:05:36,195 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:05:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:05:36,543 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 17:05:36,962 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:05:36,962 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 17:05:36,962 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-14 17:05:36,963 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:05:36,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 17:05:36,964 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 17:05:36,964 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-14 17:05:36,964 INFO L87 Difference]: Start difference. First operand 932 states and 1469 transitions. Second operand 6 states. [2018-09-14 17:05:41,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:05:41,548 INFO L93 Difference]: Finished difference Result 2162 states and 3509 transitions. [2018-09-14 17:05:41,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-14 17:05:41,550 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 181 [2018-09-14 17:05:41,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:05:41,565 INFO L225 Difference]: With dead ends: 2162 [2018-09-14 17:05:41,565 INFO L226 Difference]: Without dead ends: 1236 [2018-09-14 17:05:41,573 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-14 17:05:41,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2018-09-14 17:05:41,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 1216. [2018-09-14 17:05:41,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1216 states. [2018-09-14 17:05:41,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 1766 transitions. [2018-09-14 17:05:41,634 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 1766 transitions. Word has length 181 [2018-09-14 17:05:41,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:05:41,636 INFO L480 AbstractCegarLoop]: Abstraction has 1216 states and 1766 transitions. [2018-09-14 17:05:41,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 17:05:41,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1766 transitions. [2018-09-14 17:05:41,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-09-14 17:05:41,644 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:05:41,644 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-14 17:05:41,645 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:05:41,645 INFO L82 PathProgramCache]: Analyzing trace with hash -200482757, now seen corresponding path program 1 times [2018-09-14 17:05:41,645 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:05:41,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:05:41,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:05:41,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:05:41,647 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:05:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:05:41,970 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 94 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 17:05:41,971 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:05:41,971 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 17:05:41,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:05:41,980 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:05:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:05:42,112 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:05:42,502 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-09-14 17:05:42,502 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:05:42,884 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 94 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-14 17:05:42,905 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-14 17:05:42,905 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 12 [2018-09-14 17:05:42,905 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:05:42,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 17:05:42,907 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 17:05:42,907 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-09-14 17:05:42,907 INFO L87 Difference]: Start difference. First operand 1216 states and 1766 transitions. Second operand 5 states. [2018-09-14 17:05:45,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:05:46,000 INFO L93 Difference]: Finished difference Result 3936 states and 5978 transitions. [2018-09-14 17:05:46,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-14 17:05:46,012 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 251 [2018-09-14 17:05:46,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:05:46,032 INFO L225 Difference]: With dead ends: 3936 [2018-09-14 17:05:46,033 INFO L226 Difference]: Without dead ends: 2726 [2018-09-14 17:05:46,049 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 509 GetRequests, 497 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2018-09-14 17:05:46,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2726 states. [2018-09-14 17:05:46,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2726 to 2644. [2018-09-14 17:05:46,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2644 states. [2018-09-14 17:05:46,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2644 states to 2644 states and 3580 transitions. [2018-09-14 17:05:46,154 INFO L78 Accepts]: Start accepts. Automaton has 2644 states and 3580 transitions. Word has length 251 [2018-09-14 17:05:46,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:05:46,154 INFO L480 AbstractCegarLoop]: Abstraction has 2644 states and 3580 transitions. [2018-09-14 17:05:46,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 17:05:46,155 INFO L276 IsEmpty]: Start isEmpty. Operand 2644 states and 3580 transitions. [2018-09-14 17:05:46,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-09-14 17:05:46,171 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:05:46,171 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-14 17:05:46,172 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:05:46,172 INFO L82 PathProgramCache]: Analyzing trace with hash 509477615, now seen corresponding path program 1 times [2018-09-14 17:05:46,172 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:05:46,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:05:46,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:05:46,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:05:46,173 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:05:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:05:46,784 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 172 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:05:46,785 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:05:46,785 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) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 17:05:46,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:05:46,802 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:05:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:05:46,918 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:05:47,287 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 172 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:05:47,287 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:05:47,607 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 172 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:05:47,629 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:05:47,629 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 17:05:47,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:05:47,646 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:05:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:05:47,814 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:05:48,019 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 172 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:05:48,020 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:05:48,418 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 172 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:05:48,422 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 17:05:48,422 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 12 [2018-09-14 17:05:48,423 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 17:05:48,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-14 17:05:48,424 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-14 17:05:48,424 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-09-14 17:05:48,424 INFO L87 Difference]: Start difference. First operand 2644 states and 3580 transitions. Second operand 9 states. [2018-09-14 17:05:51,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:05:51,974 INFO L93 Difference]: Finished difference Result 9178 states and 15214 transitions. [2018-09-14 17:05:51,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-14 17:05:51,974 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 261 [2018-09-14 17:05:51,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:05:51,990 INFO L225 Difference]: With dead ends: 9178 [2018-09-14 17:05:51,991 INFO L226 Difference]: Without dead ends: 2055 [2018-09-14 17:05:52,101 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1064 GetRequests, 1041 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2018-09-14 17:05:52,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2055 states. [2018-09-14 17:05:52,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2055 to 2010. [2018-09-14 17:05:52,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2010 states. [2018-09-14 17:05:52,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2010 states to 2010 states and 2633 transitions. [2018-09-14 17:05:52,186 INFO L78 Accepts]: Start accepts. Automaton has 2010 states and 2633 transitions. Word has length 261 [2018-09-14 17:05:52,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:05:52,186 INFO L480 AbstractCegarLoop]: Abstraction has 2010 states and 2633 transitions. [2018-09-14 17:05:52,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-14 17:05:52,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2010 states and 2633 transitions. [2018-09-14 17:05:52,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-09-14 17:05:52,198 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:05:52,198 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:05:52,198 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:05:52,199 INFO L82 PathProgramCache]: Analyzing trace with hash -42020489, now seen corresponding path program 1 times [2018-09-14 17:05:52,199 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:05:52,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:05:52,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:05:52,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:05:52,200 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:05:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:05:52,543 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-14 17:05:53,129 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 95 proven. 46 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-09-14 17:05:53,129 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:05:53,130 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 17:05:53,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:05:53,150 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:05:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:05:53,244 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:05:53,640 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 208 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:05:53,640 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:05:53,801 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 208 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 17:05:53,822 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:05:53,822 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 17:05:53,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:05:53,839 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:05:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:05:54,029 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:05:54,194 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-09-14 17:05:54,195 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:05:54,474 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-09-14 17:05:54,476 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2018-09-14 17:05:54,477 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5, 5, 5] total 11 [2018-09-14 17:05:54,477 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:05:54,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 17:05:54,478 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 17:05:54,478 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-09-14 17:05:54,478 INFO L87 Difference]: Start difference. First operand 2010 states and 2633 transitions. Second operand 5 states. [2018-09-14 17:05:55,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:05:55,436 INFO L93 Difference]: Finished difference Result 3940 states and 5152 transitions. [2018-09-14 17:05:55,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-14 17:05:55,439 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 297 [2018-09-14 17:05:55,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:05:55,448 INFO L225 Difference]: With dead ends: 3940 [2018-09-14 17:05:55,448 INFO L226 Difference]: Without dead ends: 1976 [2018-09-14 17:05:55,452 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1196 GetRequests, 1180 SyntacticMatches, 6 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-09-14 17:05:55,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1976 states. [2018-09-14 17:05:55,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1976 to 1932. [2018-09-14 17:05:55,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1932 states. [2018-09-14 17:05:55,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1932 states to 1932 states and 2441 transitions. [2018-09-14 17:05:55,508 INFO L78 Accepts]: Start accepts. Automaton has 1932 states and 2441 transitions. Word has length 297 [2018-09-14 17:05:55,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:05:55,508 INFO L480 AbstractCegarLoop]: Abstraction has 1932 states and 2441 transitions. [2018-09-14 17:05:55,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 17:05:55,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1932 states and 2441 transitions. [2018-09-14 17:05:55,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2018-09-14 17:05:55,518 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:05:55,518 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:05:55,518 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:05:55,519 INFO L82 PathProgramCache]: Analyzing trace with hash 2004825060, now seen corresponding path program 1 times [2018-09-14 17:05:55,519 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:05:55,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:05:55,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:05:55,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:05:55,520 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:05:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:05:56,023 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 331 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-09-14 17:05:56,023 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:05:56,023 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 17:05:56,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:05:56,039 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:05:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:05:56,142 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:05:56,297 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 331 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-09-14 17:05:56,298 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:05:56,495 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 331 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-09-14 17:05:56,517 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:05:56,517 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 17:05:56,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:05:56,534 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:05:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:05:56,766 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:05:56,887 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 331 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-09-14 17:05:56,887 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:05:57,069 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 331 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-09-14 17:05:57,072 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-14 17:05:57,072 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5] total 8 [2018-09-14 17:05:57,072 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-14 17:05:57,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-14 17:05:57,073 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-14 17:05:57,073 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-09-14 17:05:57,074 INFO L87 Difference]: Start difference. First operand 1932 states and 2441 transitions. Second operand 6 states. [2018-09-14 17:05:59,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:05:59,209 INFO L93 Difference]: Finished difference Result 5065 states and 7143 transitions. [2018-09-14 17:05:59,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-14 17:05:59,209 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 370 [2018-09-14 17:05:59,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:05:59,230 INFO L225 Difference]: With dead ends: 5065 [2018-09-14 17:05:59,231 INFO L226 Difference]: Without dead ends: 3139 [2018-09-14 17:05:59,236 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1493 GetRequests, 1478 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2018-09-14 17:05:59,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3139 states. [2018-09-14 17:05:59,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3139 to 2845. [2018-09-14 17:05:59,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2845 states. [2018-09-14 17:05:59,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2845 states to 2845 states and 3646 transitions. [2018-09-14 17:05:59,372 INFO L78 Accepts]: Start accepts. Automaton has 2845 states and 3646 transitions. Word has length 370 [2018-09-14 17:05:59,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:05:59,373 INFO L480 AbstractCegarLoop]: Abstraction has 2845 states and 3646 transitions. [2018-09-14 17:05:59,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-14 17:05:59,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2845 states and 3646 transitions. [2018-09-14 17:05:59,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2018-09-14 17:05:59,396 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 17:05:59,396 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 17:05:59,397 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 17:05:59,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1469628719, now seen corresponding path program 1 times [2018-09-14 17:05:59,397 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 17:05:59,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:05:59,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:05:59,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 17:05:59,399 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 17:05:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:06:00,043 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 344 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-09-14 17:06:00,043 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 17:06:00,043 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 17:06:00,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 17:06:00,061 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 17:06:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 17:06:00,174 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 17:06:02,625 WARN L178 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 42 DAG size of output: 18 [2018-09-14 17:06:02,886 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-09-14 17:06:02,886 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 17:06:03,329 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-09-14 17:06:03,351 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-14 17:06:03,351 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-09-14 17:06:03,351 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 17:06:03,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 17:06:03,352 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 17:06:03,352 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-09-14 17:06:03,352 INFO L87 Difference]: Start difference. First operand 2845 states and 3646 transitions. Second operand 3 states. [2018-09-14 17:06:08,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 17:06:08,647 INFO L93 Difference]: Finished difference Result 5905 states and 7592 transitions. [2018-09-14 17:06:08,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 17:06:08,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 383 [2018-09-14 17:06:08,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 17:06:08,650 INFO L225 Difference]: With dead ends: 5905 [2018-09-14 17:06:08,650 INFO L226 Difference]: Without dead ends: 0 [2018-09-14 17:06:08,657 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 770 GetRequests, 764 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-09-14 17:06:08,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-14 17:06:08,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-14 17:06:08,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-14 17:06:08,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-14 17:06:08,658 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 383 [2018-09-14 17:06:08,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 17:06:08,658 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-14 17:06:08,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 17:06:08,659 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-14 17:06:08,659 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-14 17:06:08,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-14 17:06:08,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:06:08,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:06:08,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:06:08,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:06:08,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:06:09,074 WARN L178 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 126 [2018-09-14 17:06:09,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:06:09,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:06:09,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:06:09,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:06:09,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-14 17:06:09,349 WARN L178 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 126 [2018-09-14 17:06:09,464 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-14 17:06:10,015 WARN L178 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 20 [2018-09-14 17:06:10,909 WARN L178 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 48 [2018-09-14 17:06:11,356 WARN L178 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 44 [2018-09-14 17:06:11,781 WARN L178 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 44 [2018-09-14 17:06:11,784 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-14 17:06:11,784 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-09-14 17:06:11,784 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-14 17:06:11,785 INFO L426 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-09-14 17:06:11,785 INFO L426 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,785 INFO L426 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,785 INFO L426 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,785 INFO L426 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,785 INFO L426 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,785 INFO L426 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,785 INFO L426 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-09-14 17:06:11,785 INFO L426 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-09-14 17:06:11,785 INFO L426 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-09-14 17:06:11,785 INFO L426 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-09-14 17:06:11,785 INFO L426 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-09-14 17:06:11,785 INFO L426 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-09-14 17:06:11,786 INFO L426 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-09-14 17:06:11,786 INFO L426 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-09-14 17:06:11,786 INFO L426 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-09-14 17:06:11,786 INFO L426 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-09-14 17:06:11,786 INFO L426 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-09-14 17:06:11,786 INFO L426 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,786 INFO L426 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,786 INFO L426 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,786 INFO L426 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,786 INFO L426 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,786 INFO L426 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-09-14 17:06:11,786 INFO L426 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-09-14 17:06:11,787 INFO L426 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-09-14 17:06:11,787 INFO L426 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-09-14 17:06:11,787 INFO L426 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-09-14 17:06:11,787 INFO L426 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-09-14 17:06:11,787 INFO L426 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-09-14 17:06:11,787 INFO L426 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-09-14 17:06:11,787 INFO L426 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-09-14 17:06:11,787 INFO L426 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-09-14 17:06:11,787 INFO L426 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-09-14 17:06:11,787 INFO L426 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-09-14 17:06:11,787 INFO L426 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-09-14 17:06:11,787 INFO L426 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-09-14 17:06:11,788 INFO L426 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,788 INFO L426 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,788 INFO L426 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,788 INFO L426 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,788 INFO L426 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,788 INFO L426 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-09-14 17:06:11,788 INFO L426 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-09-14 17:06:11,788 INFO L426 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-09-14 17:06:11,788 INFO L426 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-09-14 17:06:11,788 INFO L426 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-09-14 17:06:11,788 INFO L426 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-09-14 17:06:11,788 INFO L426 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-09-14 17:06:11,788 INFO L426 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-09-14 17:06:11,789 INFO L426 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-09-14 17:06:11,789 INFO L426 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-09-14 17:06:11,789 INFO L426 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,789 INFO L426 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,789 INFO L426 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,789 INFO L426 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,789 INFO L426 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,789 INFO L426 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-09-14 17:06:11,789 INFO L426 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-09-14 17:06:11,790 INFO L426 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-09-14 17:06:11,790 INFO L426 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-09-14 17:06:11,790 INFO L426 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-09-14 17:06:11,790 INFO L426 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-09-14 17:06:11,790 INFO L426 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-09-14 17:06:11,790 INFO L426 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-09-14 17:06:11,790 INFO L426 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-09-14 17:06:11,790 INFO L426 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-09-14 17:06:11,790 INFO L426 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-09-14 17:06:11,790 INFO L426 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-09-14 17:06:11,790 INFO L426 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-09-14 17:06:11,790 INFO L426 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-09-14 17:06:11,791 INFO L426 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,791 INFO L426 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,791 INFO L426 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,791 INFO L426 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,791 INFO L426 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,791 INFO L426 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-09-14 17:06:11,791 INFO L426 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-09-14 17:06:11,791 INFO L426 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-09-14 17:06:11,791 INFO L426 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-09-14 17:06:11,792 INFO L426 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-09-14 17:06:11,792 INFO L426 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-09-14 17:06:11,792 INFO L426 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-09-14 17:06:11,792 INFO L426 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-09-14 17:06:11,792 INFO L426 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-09-14 17:06:11,792 INFO L426 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,792 INFO L426 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,793 INFO L426 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,793 INFO L426 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,793 INFO L426 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,793 INFO L426 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,793 INFO L426 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,793 INFO L426 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-09-14 17:06:11,793 INFO L426 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-09-14 17:06:11,793 INFO L426 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-09-14 17:06:11,793 INFO L426 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-09-14 17:06:11,794 INFO L426 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-09-14 17:06:11,794 INFO L426 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-09-14 17:06:11,794 INFO L426 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-09-14 17:06:11,794 INFO L426 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-09-14 17:06:11,794 INFO L426 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-09-14 17:06:11,794 INFO L426 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-09-14 17:06:11,794 INFO L426 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-09-14 17:06:11,794 INFO L426 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-09-14 17:06:11,794 INFO L426 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-09-14 17:06:11,794 INFO L426 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,794 INFO L426 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,794 INFO L426 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,794 INFO L426 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,795 INFO L426 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-09-14 17:06:11,795 INFO L426 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,795 INFO L426 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,795 INFO L426 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-09-14 17:06:11,795 INFO L426 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-09-14 17:06:11,795 INFO L426 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-09-14 17:06:11,795 INFO L426 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-09-14 17:06:11,795 INFO L426 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-09-14 17:06:11,796 INFO L426 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-09-14 17:06:11,796 INFO L426 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-09-14 17:06:11,796 INFO L426 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-09-14 17:06:11,796 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-14 17:06:11,796 INFO L426 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-09-14 17:06:11,796 INFO L426 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-09-14 17:06:11,796 INFO L426 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-09-14 17:06:11,796 INFO L426 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-09-14 17:06:11,796 INFO L426 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,796 INFO L426 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,796 INFO L426 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,797 INFO L426 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,797 INFO L426 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,797 INFO L426 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,797 INFO L426 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-09-14 17:06:11,797 INFO L426 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-09-14 17:06:11,797 INFO L426 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-09-14 17:06:11,797 INFO L426 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-09-14 17:06:11,797 INFO L426 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-09-14 17:06:11,797 INFO L426 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-09-14 17:06:11,797 INFO L426 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-09-14 17:06:11,797 INFO L426 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-09-14 17:06:11,798 INFO L426 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-09-14 17:06:11,798 INFO L426 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-09-14 17:06:11,798 INFO L426 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-09-14 17:06:11,798 INFO L422 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse3 (= |old(~a19~0)| ~a19~0)) (.cse4 (= |old(~a10~0)| ~a10~0))) (let ((.cse0 (and .cse3 (<= ~a1~0 |old(~a1~0)|) .cse4)) (.cse1 (= 1 |old(~a10~0)|)) (.cse2 (and .cse3 .cse4 (= ~a1~0 |old(~a1~0)|)))) (and (or (= 0 |old(~a10~0)|) .cse0 .cse1 (< 23 |old(~a1~0)|)) (or .cse0 (not (= 3 |old(~a10~0)|))) (or (forall ((v_~a1~0_449 Int)) (or (< (div (+ v_~a1~0_449 (- 283353)) 5) (+ |old(~a1~0)| 495232)) (not (= 0 (mod (+ v_~a1~0_449 2) 5))) (< 38 v_~a1~0_449))) .cse2 .cse1) (or .cse2 (= 6 |old(~a19~0)|))))) [2018-09-14 17:06:11,798 INFO L426 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-09-14 17:06:11,798 INFO L426 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-09-14 17:06:11,798 INFO L426 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-09-14 17:06:11,798 INFO L426 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,798 INFO L426 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,799 INFO L426 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,799 INFO L426 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,799 INFO L426 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,799 INFO L426 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,799 INFO L426 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-09-14 17:06:11,799 INFO L426 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-09-14 17:06:11,799 INFO L426 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-09-14 17:06:11,799 INFO L426 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-09-14 17:06:11,799 INFO L426 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-09-14 17:06:11,799 INFO L426 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-09-14 17:06:11,799 INFO L426 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-09-14 17:06:11,799 INFO L426 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-09-14 17:06:11,799 INFO L426 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-09-14 17:06:11,799 INFO L426 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-09-14 17:06:11,800 INFO L426 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-09-14 17:06:11,800 INFO L426 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-09-14 17:06:11,800 INFO L426 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-09-14 17:06:11,800 INFO L426 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,800 INFO L426 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,800 INFO L426 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,800 INFO L426 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,800 INFO L426 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,800 INFO L426 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,800 INFO L426 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-09-14 17:06:11,800 INFO L426 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-09-14 17:06:11,800 INFO L426 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-09-14 17:06:11,800 INFO L426 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-09-14 17:06:11,800 INFO L426 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-09-14 17:06:11,800 INFO L426 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-09-14 17:06:11,801 INFO L426 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-09-14 17:06:11,801 INFO L426 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-09-14 17:06:11,801 INFO L426 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-09-14 17:06:11,801 INFO L426 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-09-14 17:06:11,801 INFO L426 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-09-14 17:06:11,801 INFO L426 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-09-14 17:06:11,801 INFO L426 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,801 INFO L426 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,801 INFO L426 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,801 INFO L426 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,801 INFO L426 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,801 INFO L426 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-09-14 17:06:11,801 INFO L426 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-09-14 17:06:11,801 INFO L426 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-09-14 17:06:11,802 INFO L426 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-09-14 17:06:11,802 INFO L426 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-09-14 17:06:11,802 INFO L426 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-09-14 17:06:11,802 INFO L426 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-09-14 17:06:11,802 INFO L426 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-09-14 17:06:11,802 INFO L426 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-09-14 17:06:11,802 INFO L426 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-09-14 17:06:11,802 INFO L426 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-09-14 17:06:11,802 INFO L426 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-09-14 17:06:11,802 INFO L426 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-09-14 17:06:11,802 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-14 17:06:11,802 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a1~0 23) (not (= ~a19~0 10)) (not (= ~a19~0 6)) (not (= ~a10~0 1))) [2018-09-14 17:06:11,802 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-14 17:06:11,802 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-14 17:06:11,803 INFO L422 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (= 10 |old(~a19~0)|) (= 6 |old(~a19~0)|) (= 1 |old(~a10~0)|) (< 23 |old(~a1~0)|) (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|))) [2018-09-14 17:06:11,803 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-09-14 17:06:11,803 INFO L422 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= ~a10~0 1)))) (or (< 23 |old(~a1~0)|) (= 3 ~a10~0) (not (= ~a19~0 6)) (and (<= ~a1~0 23) (not (= 0 ~a10~0)) .cse0) (= 6 |old(~a19~0)|) (= 1 |old(~a10~0)|) (and (exists ((v_~a1~0_449 Int)) (and (<= (+ ~a1~0 495232) (div (+ v_~a1~0_449 (- 283353)) 5)) (<= v_~a1~0_449 38) (= 0 (mod (+ v_~a1~0_449 2) 5)))) .cse0) (= 10 |old(~a19~0)|))) [2018-09-14 17:06:11,803 INFO L426 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-09-14 17:06:11,803 INFO L426 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-09-14 17:06:11,803 INFO L426 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-09-14 17:06:11,803 INFO L422 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a10~0 1)))) (or (< 23 |old(~a1~0)|) (= 3 ~a10~0) (not (= ~a19~0 6)) (and (<= ~a1~0 23) (not (= 0 ~a10~0)) .cse0) (= 6 |old(~a19~0)|) (= 1 |old(~a10~0)|) (and (exists ((v_~a1~0_449 Int)) (and (<= (+ ~a1~0 495232) (div (+ v_~a1~0_449 (- 283353)) 5)) (<= v_~a1~0_449 38) (= 0 (mod (+ v_~a1~0_449 2) 5)))) .cse0) (= 10 |old(~a19~0)|))) [2018-09-14 17:06:11,803 INFO L426 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-09-14 17:06:11,809 WARN L382 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_449,QUANTIFIED] [2018-09-14 17:06:11,810 WARN L382 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_449,QUANTIFIED] [2018-09-14 17:06:11,810 WARN L382 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_449,QUANTIFIED] [2018-09-14 17:06:11,819 WARN L382 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_449,QUANTIFIED] [2018-09-14 17:06:11,822 WARN L382 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_449,QUANTIFIED] [2018-09-14 17:06:11,822 WARN L382 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_449,QUANTIFIED] [2018-09-14 17:06:11,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.09 05:06:11 BoogieIcfgContainer [2018-09-14 17:06:11,825 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-14 17:06:11,826 INFO L168 Benchmark]: Toolchain (without parser) took 45287.27 ms. Allocated memory was 1.5 GB in the beginning and 2.9 GB in the end (delta: 1.4 GB). Free memory was 1.4 GB in the beginning and 2.9 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-09-14 17:06:11,828 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-14 17:06:11,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.29 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: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. [2018-09-14 17:06:11,829 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.92 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-14 17:06:11,830 INFO L168 Benchmark]: Boogie Preprocessor took 232.95 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 773.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -870.0 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2018-09-14 17:06:11,831 INFO L168 Benchmark]: RCFGBuilder took 3668.33 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 110.2 MB). Peak memory consumption was 110.2 MB. Max. memory is 7.1 GB. [2018-09-14 17:06:11,832 INFO L168 Benchmark]: TraceAbstraction took 40550.50 ms. Allocated memory was 2.3 GB in the beginning and 2.9 GB in the end (delta: 632.3 MB). Free memory was 2.1 GB in the beginning and 2.9 GB in the end (delta: -748.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-09-14 17:06:11,840 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 716.29 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: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 112.92 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 232.95 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 773.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -870.0 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3668.33 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 110.2 MB). Peak memory consumption was 110.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 40550.50 ms. Allocated memory was 2.3 GB in the beginning and 2.9 GB in the end (delta: 632.3 MB). Free memory was 2.1 GB in the beginning and 2.9 GB in the end (delta: -748.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_449,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_449,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_449,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_449,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_449,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_449,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant [2018-09-14 17:06:11,861 WARN L382 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_449,QUANTIFIED] [2018-09-14 17:06:11,861 WARN L382 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_449,QUANTIFIED] [2018-09-14 17:06:11,861 WARN L382 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_449,QUANTIFIED] [2018-09-14 17:06:11,863 WARN L382 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_449,QUANTIFIED] [2018-09-14 17:06:11,863 WARN L382 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_449,QUANTIFIED] [2018-09-14 17:06:11,863 WARN L382 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_449,QUANTIFIED] Derived loop invariant: ((((((23 < \old(a1) || 3 == a10) || !(a19 == 6)) || ((a1 <= 23 && !(0 == a10)) && !(a10 == 1))) || 6 == \old(a19)) || 1 == \old(a10)) || ((\exists v_~a1~0_449 : int :: (a1 + 495232 <= (v_~a1~0_449 + -283353) / 5 && v_~a1~0_449 <= 38) && 0 == (v_~a1~0_449 + 2) % 5) && !(a10 == 1))) || 10 == \old(a19) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 40.4s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 23.3s AutomataDifference, 0.0s DeadEndRemovalTime, 3.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 997 SDtfs, 3537 SDslu, 739 SDs, 0 SdLazy, 8496 SolverSat, 1583 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 19.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5052 GetRequests, 4967 SyntacticMatches, 20 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2845occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 485 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 178 PreInvPairs, 362 NumberOfFragments, 258 HoareAnnotationTreeSize, 178 FomulaSimplifications, 8716 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4969 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 10.4s InterpolantComputationTime, 4461 NumberOfCodeBlocks, 4461 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 6927 ConstructedInterpolants, 50 QuantifiedInterpolants, 5818855 SizeOfPredicates, 8 NumberOfNonLiveVariables, 4015 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 24 InterpolantComputations, 7 PerfectInterpolantSequences, 5604/5808 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label00_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-14_17-06-11-872.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label00_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-14_17-06-11-872.csv Received shutdown request...