java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label51_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 18:42:14,547 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 18:42:14,549 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 18:42:14,561 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 18:42:14,562 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 18:42:14,563 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 18:42:14,564 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 18:42:14,566 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 18:42:14,568 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 18:42:14,568 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 18:42:14,569 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 18:42:14,570 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 18:42:14,571 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 18:42:14,572 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 18:42:14,573 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 18:42:14,574 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 18:42:14,575 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 18:42:14,576 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 18:42:14,579 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 18:42:14,580 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 18:42:14,582 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 18:42:14,583 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 18:42:14,586 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 18:42:14,586 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 18:42:14,586 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 18:42:14,587 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 18:42:14,588 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 18:42:14,589 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 18:42:14,590 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 18:42:14,591 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 18:42:14,591 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 18:42:14,592 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 18:42:14,592 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 18:42:14,593 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 18:42:14,594 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 18:42:14,594 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 18:42:14,595 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-07 18:42:14,611 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 18:42:14,611 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 18:42:14,612 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 18:42:14,612 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 18:42:14,612 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 18:42:14,613 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 18:42:14,613 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 18:42:14,613 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 18:42:14,613 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 18:42:14,613 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 18:42:14,613 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 18:42:14,614 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 18:42:14,614 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 18:42:14,615 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 18:42:14,615 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 18:42:14,615 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 18:42:14,615 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 18:42:14,615 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 18:42:14,616 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 18:42:14,616 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 18:42:14,616 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 18:42:14,616 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 18:42:14,616 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 18:42:14,617 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 18:42:14,617 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 18:42:14,617 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 18:42:14,617 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 18:42:14,617 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 18:42:14,618 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 18:42:14,618 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 18:42:14,618 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 18:42:14,618 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 18:42:14,618 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 18:42:14,619 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 18:42:14,619 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 18:42:14,673 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 18:42:14,694 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 18:42:14,698 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 18:42:14,700 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 18:42:14,700 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 18:42:14,701 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label51_true-unreach-call_false-termination.c [2018-11-07 18:42:14,769 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b7147f8b/0fd51831391f4f78a2bd8f1480474a14/FLAG8c6d4ac2a [2018-11-07 18:42:15,353 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 18:42:15,354 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label51_true-unreach-call_false-termination.c [2018-11-07 18:42:15,371 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b7147f8b/0fd51831391f4f78a2bd8f1480474a14/FLAG8c6d4ac2a [2018-11-07 18:42:15,389 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b7147f8b/0fd51831391f4f78a2bd8f1480474a14 [2018-11-07 18:42:15,413 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 18:42:15,419 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 18:42:15,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 18:42:15,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 18:42:15,427 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 18:42:15,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:42:15" (1/1) ... [2018-11-07 18:42:15,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef64eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:15, skipping insertion in model container [2018-11-07 18:42:15,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:42:15" (1/1) ... [2018-11-07 18:42:15,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 18:42:15,519 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 18:42:16,010 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:42:16,019 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 18:42:16,180 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 18:42:16,217 INFO L193 MainTranslator]: Completed translation [2018-11-07 18:42:16,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:16 WrapperNode [2018-11-07 18:42:16,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 18:42:16,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 18:42:16,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 18:42:16,219 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 18:42:16,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:16" (1/1) ... [2018-11-07 18:42:16,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:16" (1/1) ... [2018-11-07 18:42:16,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 18:42:16,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 18:42:16,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 18:42:16,361 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 18:42:16,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:16" (1/1) ... [2018-11-07 18:42:16,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:16" (1/1) ... [2018-11-07 18:42:16,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:16" (1/1) ... [2018-11-07 18:42:16,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:16" (1/1) ... [2018-11-07 18:42:16,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:16" (1/1) ... [2018-11-07 18:42:16,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:16" (1/1) ... [2018-11-07 18:42:16,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:16" (1/1) ... [2018-11-07 18:42:16,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 18:42:16,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 18:42:16,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 18:42:16,485 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 18:42:16,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 18:42:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 18:42:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 18:42:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 18:42:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 18:42:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 18:42:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 18:42:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 18:42:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 18:42:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 18:42:19,749 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 18:42:19,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:42:19 BoogieIcfgContainer [2018-11-07 18:42:19,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 18:42:19,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 18:42:19,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 18:42:19,755 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 18:42:19,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:42:15" (1/3) ... [2018-11-07 18:42:19,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@226679c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:42:19, skipping insertion in model container [2018-11-07 18:42:19,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:42:16" (2/3) ... [2018-11-07 18:42:19,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@226679c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:42:19, skipping insertion in model container [2018-11-07 18:42:19,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:42:19" (3/3) ... [2018-11-07 18:42:19,760 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label51_true-unreach-call_false-termination.c [2018-11-07 18:42:19,772 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 18:42:19,782 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 18:42:19,802 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 18:42:19,842 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 18:42:19,842 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 18:42:19,842 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 18:42:19,843 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 18:42:19,843 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 18:42:19,843 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 18:42:19,844 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 18:42:19,844 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 18:42:19,877 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-07 18:42:19,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-07 18:42:19,892 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:42:19,893 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:42:19,896 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:42:19,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:42:19,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1112623339, now seen corresponding path program 1 times [2018-11-07 18:42:19,906 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:42:19,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:42:19,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:42:19,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:42:19,967 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:42:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:42:20,563 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:42:20,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:42:20,723 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:42:20,723 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 18:42:20,724 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:42:20,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:42:20,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:42:20,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:42:20,754 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-07 18:42:22,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:42:22,154 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-07 18:42:22,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:42:22,157 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2018-11-07 18:42:22,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:42:22,176 INFO L225 Difference]: With dead ends: 550 [2018-11-07 18:42:22,176 INFO L226 Difference]: Without dead ends: 340 [2018-11-07 18:42:22,183 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:42:22,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-07 18:42:22,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-07 18:42:22,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-07 18:42:22,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 571 transitions. [2018-11-07 18:42:22,253 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 571 transitions. Word has length 113 [2018-11-07 18:42:22,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:42:22,255 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 571 transitions. [2018-11-07 18:42:22,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:42:22,255 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 571 transitions. [2018-11-07 18:42:22,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-07 18:42:22,262 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:42:22,262 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:42:22,263 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:42:22,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:42:22,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1416695986, now seen corresponding path program 1 times [2018-11-07 18:42:22,264 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:42:22,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:42:22,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:42:22,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:42:22,266 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:42:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:42:22,570 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:42:22,570 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:42:22,571 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 18:42:22,571 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:42:22,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 18:42:22,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 18:42:22,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 18:42:22,574 INFO L87 Difference]: Start difference. First operand 340 states and 571 transitions. Second operand 4 states. [2018-11-07 18:42:24,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:42:24,494 INFO L93 Difference]: Finished difference Result 1218 states and 2175 transitions. [2018-11-07 18:42:24,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 18:42:24,495 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2018-11-07 18:42:24,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:42:24,505 INFO L225 Difference]: With dead ends: 1218 [2018-11-07 18:42:24,506 INFO L226 Difference]: Without dead ends: 884 [2018-11-07 18:42:24,513 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 18:42:24,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2018-11-07 18:42:24,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 884. [2018-11-07 18:42:24,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 884 states. [2018-11-07 18:42:24,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 1407 transitions. [2018-11-07 18:42:24,583 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 1407 transitions. Word has length 131 [2018-11-07 18:42:24,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:42:24,584 INFO L480 AbstractCegarLoop]: Abstraction has 884 states and 1407 transitions. [2018-11-07 18:42:24,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 18:42:24,584 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1407 transitions. [2018-11-07 18:42:24,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-07 18:42:24,594 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:42:24,594 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:42:24,595 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:42:24,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:42:24,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1729083066, now seen corresponding path program 1 times [2018-11-07 18:42:24,595 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:42:24,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:42:24,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:42:24,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:42:24,597 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:42:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:42:24,909 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:42:24,909 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:42:24,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 18:42:24,910 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:42:24,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:42:24,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:42:24,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:42:24,911 INFO L87 Difference]: Start difference. First operand 884 states and 1407 transitions. Second operand 3 states. [2018-11-07 18:42:27,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:42:27,989 INFO L93 Difference]: Finished difference Result 2578 states and 4238 transitions. [2018-11-07 18:42:27,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:42:27,991 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2018-11-07 18:42:27,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:42:28,005 INFO L225 Difference]: With dead ends: 2578 [2018-11-07 18:42:28,005 INFO L226 Difference]: Without dead ends: 1700 [2018-11-07 18:42:28,012 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:42:28,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2018-11-07 18:42:28,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1700. [2018-11-07 18:42:28,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1700 states. [2018-11-07 18:42:28,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2537 transitions. [2018-11-07 18:42:28,078 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2537 transitions. Word has length 148 [2018-11-07 18:42:28,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:42:28,078 INFO L480 AbstractCegarLoop]: Abstraction has 1700 states and 2537 transitions. [2018-11-07 18:42:28,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:42:28,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2537 transitions. [2018-11-07 18:42:28,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-07 18:42:28,089 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:42:28,090 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 18:42:28,090 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:42:28,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:42:28,090 INFO L82 PathProgramCache]: Analyzing trace with hash -2092376434, now seen corresponding path program 1 times [2018-11-07 18:42:28,090 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:42:28,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:42:28,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:42:28,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:42:28,092 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:42:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:42:28,368 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 18:42:28,801 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 18:42:28,801 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:42:28,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 18:42:28,801 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:42:28,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 18:42:28,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 18:42:28,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 18:42:28,804 INFO L87 Difference]: Start difference. First operand 1700 states and 2537 transitions. Second operand 6 states. [2018-11-07 18:42:30,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:42:30,719 INFO L93 Difference]: Finished difference Result 4353 states and 6550 transitions. [2018-11-07 18:42:30,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 18:42:30,725 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 184 [2018-11-07 18:42:30,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:42:30,743 INFO L225 Difference]: With dead ends: 4353 [2018-11-07 18:42:30,744 INFO L226 Difference]: Without dead ends: 2659 [2018-11-07 18:42:30,756 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 18:42:30,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2659 states. [2018-11-07 18:42:30,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2659 to 2619. [2018-11-07 18:42:30,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2619 states. [2018-11-07 18:42:30,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 2619 states and 3469 transitions. [2018-11-07 18:42:30,851 INFO L78 Accepts]: Start accepts. Automaton has 2619 states and 3469 transitions. Word has length 184 [2018-11-07 18:42:30,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:42:30,852 INFO L480 AbstractCegarLoop]: Abstraction has 2619 states and 3469 transitions. [2018-11-07 18:42:30,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 18:42:30,852 INFO L276 IsEmpty]: Start isEmpty. Operand 2619 states and 3469 transitions. [2018-11-07 18:42:30,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-07 18:42:30,864 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 18:42:30,864 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 18:42:30,864 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 18:42:30,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 18:42:30,865 INFO L82 PathProgramCache]: Analyzing trace with hash 392658105, now seen corresponding path program 1 times [2018-11-07 18:42:30,865 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 18:42:30,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:42:30,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 18:42:30,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 18:42:30,866 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 18:42:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 18:42:31,241 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-07 18:42:31,241 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 18:42:31,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 18:42:31,242 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 18:42:31,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 18:42:31,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 18:42:31,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:42:31,243 INFO L87 Difference]: Start difference. First operand 2619 states and 3469 transitions. Second operand 3 states. [2018-11-07 18:42:32,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 18:42:32,359 INFO L93 Difference]: Finished difference Result 7426 states and 10051 transitions. [2018-11-07 18:42:32,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 18:42:32,365 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2018-11-07 18:42:32,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 18:42:32,366 INFO L225 Difference]: With dead ends: 7426 [2018-11-07 18:42:32,366 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 18:42:32,394 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 18:42:32,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 18:42:32,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 18:42:32,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 18:42:32,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 18:42:32,395 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 200 [2018-11-07 18:42:32,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 18:42:32,395 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 18:42:32,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 18:42:32,395 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 18:42:32,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 18:42:32,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 18:42:32,753 WARN L179 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 8 [2018-11-07 18:42:33,323 WARN L179 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 42 [2018-11-07 18:42:33,439 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:42:33,440 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~a8~0)| ~a8~0) [2018-11-07 18:42:33,440 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:42:33,440 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 494) no Hoare annotation was computed. [2018-11-07 18:42:33,440 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-07 18:42:33,441 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-07 18:42:33,441 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,441 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,441 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,441 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,441 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,441 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,441 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-07 18:42:33,442 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-07 18:42:33,442 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-07 18:42:33,442 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-07 18:42:33,442 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-07 18:42:33,442 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-07 18:42:33,442 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-07 18:42:33,442 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-07 18:42:33,442 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-07 18:42:33,442 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-07 18:42:33,443 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,443 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,443 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,443 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,443 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,443 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,443 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-07 18:42:33,444 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-07 18:42:33,444 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-07 18:42:33,444 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-07 18:42:33,444 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-07 18:42:33,444 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-07 18:42:33,444 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-07 18:42:33,444 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-07 18:42:33,444 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-07 18:42:33,444 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-07 18:42:33,445 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-07 18:42:33,445 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-07 18:42:33,445 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-07 18:42:33,445 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-07 18:42:33,445 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-11-07 18:42:33,445 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,445 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,446 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,446 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,446 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,446 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-07 18:42:33,446 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-07 18:42:33,446 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-07 18:42:33,446 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-07 18:42:33,446 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-07 18:42:33,447 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-07 18:42:33,447 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-07 18:42:33,447 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-07 18:42:33,447 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-07 18:42:33,447 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,447 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,447 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,448 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,448 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,448 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-07 18:42:33,448 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-07 18:42:33,448 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-07 18:42:33,448 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-07 18:42:33,448 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-07 18:42:33,448 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-07 18:42:33,449 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-07 18:42:33,449 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-07 18:42:33,449 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-07 18:42:33,449 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-07 18:42:33,449 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-07 18:42:33,449 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-07 18:42:33,449 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-07 18:42:33,449 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,450 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,450 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,450 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,450 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,450 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-07 18:42:33,450 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-07 18:42:33,450 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-07 18:42:33,450 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-07 18:42:33,451 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-07 18:42:33,451 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-07 18:42:33,451 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-07 18:42:33,451 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-07 18:42:33,451 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-07 18:42:33,451 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,451 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,452 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,452 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,452 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,452 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,452 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,452 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-07 18:42:33,452 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-07 18:42:33,453 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-07 18:42:33,453 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-07 18:42:33,453 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-07 18:42:33,453 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-07 18:42:33,453 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-07 18:42:33,453 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-07 18:42:33,453 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-07 18:42:33,454 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-07 18:42:33,454 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-07 18:42:33,454 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-07 18:42:33,454 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-07 18:42:33,454 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-07 18:42:33,454 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,454 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,455 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,455 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,455 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,455 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-07 18:42:33,455 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-07 18:42:33,455 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-07 18:42:33,455 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-07 18:42:33,456 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-07 18:42:33,456 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-07 18:42:33,456 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-07 18:42:33,456 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-07 18:42:33,456 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,456 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,456 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,456 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,457 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,457 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-07 18:42:33,457 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-07 18:42:33,458 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-07 18:42:33,458 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-07 18:42:33,458 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-07 18:42:33,458 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-07 18:42:33,458 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-07 18:42:33,458 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-07 18:42:33,458 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-07 18:42:33,459 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-07 18:42:33,459 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse2 (= 13 |old(~a8~0)|)) (.cse3 (not (= 1 |old(~a7~0)|))) (.cse4 (not (= ~a20~0 1))) (.cse5 (= 1 |old(~a20~0)|)) (.cse6 (= 5 |old(~a16~0)|)) (.cse1 (= 14 |old(~a8~0)|)) (.cse0 (= |old(~a8~0)| ~a8~0)) (.cse7 (not (= 5 ~a16~0)))) (and (or .cse0 .cse1 .cse2) (or (not (= 4 |old(~a16~0)|)) (and .cse0 (= 4 ~a16~0))) (or (and (= 1 ~a7~0) .cse0) .cse3) (or (and .cse4 .cse0) .cse2 .cse5) (or .cse6 .cse3 .cse7) (or .cse4 .cse3 .cse5) (or .cse6 .cse4 .cse5) (or .cse6 .cse7 .cse5) (or .cse6 .cse1 (and .cse0 .cse7)))) [2018-11-07 18:42:33,459 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-07 18:42:33,459 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,459 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,459 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,460 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,460 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,460 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-07 18:42:33,460 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,460 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-07 18:42:33,460 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-07 18:42:33,460 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-07 18:42:33,460 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-07 18:42:33,461 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-07 18:42:33,461 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-07 18:42:33,461 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-07 18:42:33,461 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-07 18:42:33,461 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-07 18:42:33,461 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-07 18:42:33,461 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-07 18:42:33,461 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-07 18:42:33,462 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,462 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,462 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,462 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,462 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,462 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,462 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-07 18:42:33,462 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-07 18:42:33,463 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-07 18:42:33,463 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-07 18:42:33,463 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-07 18:42:33,463 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-07 18:42:33,463 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-07 18:42:33,463 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-07 18:42:33,463 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-07 18:42:33,463 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-07 18:42:33,464 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-07 18:42:33,464 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-07 18:42:33,464 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-07 18:42:33,464 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-07 18:42:33,464 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-07 18:42:33,464 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,464 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,464 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,465 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,465 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,465 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-11-07 18:42:33,465 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-07 18:42:33,465 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-07 18:42:33,465 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-07 18:42:33,465 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-07 18:42:33,465 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-07 18:42:33,465 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-07 18:42:33,466 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-07 18:42:33,466 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-07 18:42:33,466 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-07 18:42:33,466 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-07 18:42:33,466 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 18:42:33,466 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a8~0 14)) (not (= ~a8~0 13))) [2018-11-07 18:42:33,466 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 18:42:33,466 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 18:42:33,467 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= |old(~a8~0)| ~a8~0) (= 14 |old(~a8~0)|) (= 13 |old(~a8~0)|)) [2018-11-07 18:42:33,467 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-07 18:42:33,467 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a8~0 14))) (.cse1 (not (= ~a8~0 13)))) (or (= 1 ~a7~0) (and .cse0 .cse1) (= 14 |old(~a8~0)|) (= 13 |old(~a8~0)|) (and (not (= 5 ~a16~0)) .cse0) (= 4 ~a16~0) (and (not (= ~a20~0 1)) .cse1))) [2018-11-07 18:42:33,467 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-07 18:42:33,467 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-07 18:42:33,467 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-07 18:42:33,468 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a8~0 14))) (.cse1 (not (= ~a8~0 13)))) (or (= 1 ~a7~0) (and .cse0 .cse1) (= 14 |old(~a8~0)|) (= 13 |old(~a8~0)|) (and (not (= 5 ~a16~0)) .cse0) (= 4 ~a16~0) (and (not (= ~a20~0 1)) .cse1))) [2018-11-07 18:42:33,468 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-07 18:42:33,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 06:42:33 BoogieIcfgContainer [2018-11-07 18:42:33,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 18:42:33,486 INFO L168 Benchmark]: Toolchain (without parser) took 18072.63 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 884.5 MB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -292.0 MB). Peak memory consumption was 592.5 MB. Max. memory is 7.1 GB. [2018-11-07 18:42:33,487 INFO L168 Benchmark]: CDTParser took 0.26 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. [2018-11-07 18:42:33,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 795.83 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: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2018-11-07 18:42:33,489 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.37 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 742.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -822.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-11-07 18:42:33,490 INFO L168 Benchmark]: Boogie Preprocessor took 123.87 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 18:42:33,491 INFO L168 Benchmark]: RCFGBuilder took 3265.41 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: 104.1 MB). Peak memory consumption was 104.1 MB. Max. memory is 7.1 GB. [2018-11-07 18:42:33,492 INFO L168 Benchmark]: TraceAbstraction took 13733.66 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 141.6 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 392.0 MB). Peak memory consumption was 533.6 MB. Max. memory is 7.1 GB. [2018-11-07 18:42:33,497 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 795.83 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: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 141.37 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 742.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -822.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.87 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3265.41 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: 104.1 MB). Peak memory consumption was 104.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13733.66 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 141.6 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 392.0 MB). Peak memory consumption was 533.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 494]: 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: 583]: Loop Invariant Derived loop invariant: (((((1 == a7 || (!(a8 == 14) && !(a8 == 13))) || 14 == \old(a8)) || 13 == \old(a8)) || (!(5 == a16) && !(a8 == 14))) || 4 == a16) || (!(a20 == 1) && !(a8 == 13)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 13.6s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 9.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1177 SDtfs, 1232 SDslu, 319 SDs, 0 SdLazy, 2980 SolverSat, 697 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2619occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 40 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 76 PreInvPairs, 140 NumberOfFragments, 214 HoareAnnotationTreeSize, 76 FomulaSimplifications, 1106 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 825 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 776 NumberOfCodeBlocks, 776 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 771 ConstructedInterpolants, 0 QuantifiedInterpolants, 383925 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 212/212 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...