java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label35_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-25 00:07:14,507 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-25 00:07:14,509 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-25 00:07:14,524 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-25 00:07:14,524 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-25 00:07:14,526 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-25 00:07:14,527 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-25 00:07:14,530 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-25 00:07:14,532 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-25 00:07:14,540 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-25 00:07:14,541 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-25 00:07:14,542 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-25 00:07:14,543 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-25 00:07:14,544 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-25 00:07:14,545 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-25 00:07:14,546 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-25 00:07:14,547 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-25 00:07:14,552 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-25 00:07:14,554 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-25 00:07:14,555 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-25 00:07:14,556 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-25 00:07:14,557 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-25 00:07:14,559 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-25 00:07:14,560 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-25 00:07:14,560 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-25 00:07:14,561 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-25 00:07:14,562 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-25 00:07:14,562 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-25 00:07:14,563 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-25 00:07:14,564 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-25 00:07:14,565 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-25 00:07:14,565 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-25 00:07:14,568 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-25 00:07:14,583 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-25 00:07:14,583 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-25 00:07:14,584 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-25 00:07:14,584 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-25 00:07:14,584 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-25 00:07:14,584 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-25 00:07:14,585 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-25 00:07:14,585 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-25 00:07:14,585 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-25 00:07:14,585 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-25 00:07:14,585 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-25 00:07:14,586 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-25 00:07:14,586 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-25 00:07:14,586 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-25 00:07:14,587 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-25 00:07:14,587 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-25 00:07:14,587 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-25 00:07:14,588 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-25 00:07:14,588 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-25 00:07:14,588 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-25 00:07:14,588 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-25 00:07:14,588 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-25 00:07:14,588 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-25 00:07:14,589 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-25 00:07:14,589 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-25 00:07:14,589 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-25 00:07:14,589 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 00:07:14,589 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-25 00:07:14,590 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-25 00:07:14,591 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-25 00:07:14,592 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-25 00:07:14,592 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-25 00:07:14,592 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-25 00:07:14,592 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-25 00:07:14,592 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-25 00:07:14,593 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-25 00:07:14,657 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-25 00:07:14,671 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-25 00:07:14,676 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-25 00:07:14,678 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-25 00:07:14,679 INFO L276 PluginConnector]: CDTParser initialized [2018-10-25 00:07:14,679 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label35_true-unreach-call_false-termination.c [2018-10-25 00:07:14,745 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/7ead8fe7f/784a8933078b4890bfabe9bc38c1d37f/FLAG5869c61b6 [2018-10-25 00:07:15,347 INFO L298 CDTParser]: Found 1 translation units. [2018-10-25 00:07:15,352 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label35_true-unreach-call_false-termination.c [2018-10-25 00:07:15,378 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/7ead8fe7f/784a8933078b4890bfabe9bc38c1d37f/FLAG5869c61b6 [2018-10-25 00:07:15,402 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/7ead8fe7f/784a8933078b4890bfabe9bc38c1d37f [2018-10-25 00:07:15,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-25 00:07:15,421 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-25 00:07:15,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-25 00:07:15,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-25 00:07:15,426 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-25 00:07:15,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:07:15" (1/1) ... [2018-10-25 00:07:15,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bca1196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:15, skipping insertion in model container [2018-10-25 00:07:15,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:07:15" (1/1) ... [2018-10-25 00:07:15,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-25 00:07:15,524 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-25 00:07:16,070 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:07:16,076 INFO L189 MainTranslator]: Completed pre-run [2018-10-25 00:07:16,187 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:07:16,206 INFO L193 MainTranslator]: Completed translation [2018-10-25 00:07:16,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:16 WrapperNode [2018-10-25 00:07:16,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-25 00:07:16,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-25 00:07:16,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-25 00:07:16,208 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-25 00:07:16,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:16" (1/1) ... [2018-10-25 00:07:16,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:16" (1/1) ... [2018-10-25 00:07:16,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-25 00:07:16,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-25 00:07:16,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-25 00:07:16,388 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-25 00:07:16,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:16" (1/1) ... [2018-10-25 00:07:16,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:16" (1/1) ... [2018-10-25 00:07:16,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:16" (1/1) ... [2018-10-25 00:07:16,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:16" (1/1) ... [2018-10-25 00:07:16,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:16" (1/1) ... [2018-10-25 00:07:16,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:16" (1/1) ... [2018-10-25 00:07:16,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:16" (1/1) ... [2018-10-25 00:07:16,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-25 00:07:16,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-25 00:07:16,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-25 00:07:16,486 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-25 00:07:16,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 00:07:16,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-25 00:07:16,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-25 00:07:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-25 00:07:16,559 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-25 00:07:16,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-25 00:07:16,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-25 00:07:16,560 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-25 00:07:16,560 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-25 00:07:19,687 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-25 00:07:19,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:07:19 BoogieIcfgContainer [2018-10-25 00:07:19,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-25 00:07:19,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-25 00:07:19,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-25 00:07:19,698 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-25 00:07:19,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 12:07:15" (1/3) ... [2018-10-25 00:07:19,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4436aee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:07:19, skipping insertion in model container [2018-10-25 00:07:19,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:16" (2/3) ... [2018-10-25 00:07:19,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4436aee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:07:19, skipping insertion in model container [2018-10-25 00:07:19,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:07:19" (3/3) ... [2018-10-25 00:07:19,704 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label35_true-unreach-call_false-termination.c [2018-10-25 00:07:19,715 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-25 00:07:19,725 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-25 00:07:19,744 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-25 00:07:19,798 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-25 00:07:19,799 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-25 00:07:19,799 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-25 00:07:19,799 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-25 00:07:19,799 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-25 00:07:19,799 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-25 00:07:19,800 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-25 00:07:19,800 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-25 00:07:19,837 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-10-25 00:07:19,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-25 00:07:19,850 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:19,851 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] [2018-10-25 00:07:19,853 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:19,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:19,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1054680041, now seen corresponding path program 1 times [2018-10-25 00:07:19,863 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:19,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:19,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:19,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:19,919 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:20,529 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 00:07:20,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:07:20,772 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:07:20,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-25 00:07:20,772 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:07:20,778 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:07:20,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:07:20,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:07:20,798 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-10-25 00:07:22,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:22,523 INFO L93 Difference]: Finished difference Result 627 states and 1072 transitions. [2018-10-25 00:07:22,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:07:22,526 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2018-10-25 00:07:22,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:22,546 INFO L225 Difference]: With dead ends: 627 [2018-10-25 00:07:22,547 INFO L226 Difference]: Without dead ends: 388 [2018-10-25 00:07:22,555 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:07:22,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2018-10-25 00:07:22,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 383. [2018-10-25 00:07:22,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-10-25 00:07:22,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 619 transitions. [2018-10-25 00:07:22,643 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 619 transitions. Word has length 101 [2018-10-25 00:07:22,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:22,645 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 619 transitions. [2018-10-25 00:07:22,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:07:22,645 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 619 transitions. [2018-10-25 00:07:22,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-25 00:07:22,654 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:22,654 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-25 00:07:22,654 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:22,655 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:22,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1791654186, now seen corresponding path program 1 times [2018-10-25 00:07:22,655 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:22,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:22,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:22,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:22,662 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:22,913 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:07:22,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:07:22,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-25 00:07:22,914 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:07:22,916 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:07:22,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:07:22,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:07:22,917 INFO L87 Difference]: Start difference. First operand 383 states and 619 transitions. Second operand 3 states. [2018-10-25 00:07:24,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:24,053 INFO L93 Difference]: Finished difference Result 1053 states and 1768 transitions. [2018-10-25 00:07:24,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:07:24,055 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2018-10-25 00:07:24,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:24,063 INFO L225 Difference]: With dead ends: 1053 [2018-10-25 00:07:24,063 INFO L226 Difference]: Without dead ends: 676 [2018-10-25 00:07:24,070 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:07:24,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2018-10-25 00:07:24,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 676. [2018-10-25 00:07:24,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2018-10-25 00:07:24,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 1011 transitions. [2018-10-25 00:07:24,117 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 1011 transitions. Word has length 110 [2018-10-25 00:07:24,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:24,119 INFO L481 AbstractCegarLoop]: Abstraction has 676 states and 1011 transitions. [2018-10-25 00:07:24,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:07:24,119 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1011 transitions. [2018-10-25 00:07:24,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-25 00:07:24,125 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:24,125 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-25 00:07:24,125 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:24,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:24,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1883976414, now seen corresponding path program 1 times [2018-10-25 00:07:24,130 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:24,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:24,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:24,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:24,132 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:24,303 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:07:24,304 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:07:24,305 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-25 00:07:24,305 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:07:24,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:07:24,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:07:24,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:07:24,307 INFO L87 Difference]: Start difference. First operand 676 states and 1011 transitions. Second operand 3 states. [2018-10-25 00:07:26,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:26,856 INFO L93 Difference]: Finished difference Result 1926 states and 2979 transitions. [2018-10-25 00:07:26,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:07:26,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2018-10-25 00:07:26,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:26,870 INFO L225 Difference]: With dead ends: 1926 [2018-10-25 00:07:26,870 INFO L226 Difference]: Without dead ends: 1256 [2018-10-25 00:07:26,875 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:07:26,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2018-10-25 00:07:26,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1256. [2018-10-25 00:07:26,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1256 states. [2018-10-25 00:07:26,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1828 transitions. [2018-10-25 00:07:26,956 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1828 transitions. Word has length 115 [2018-10-25 00:07:26,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:26,957 INFO L481 AbstractCegarLoop]: Abstraction has 1256 states and 1828 transitions. [2018-10-25 00:07:26,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:07:26,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1828 transitions. [2018-10-25 00:07:26,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-25 00:07:26,965 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:26,966 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:07:26,966 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:26,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:26,967 INFO L82 PathProgramCache]: Analyzing trace with hash -737815760, now seen corresponding path program 1 times [2018-10-25 00:07:26,967 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:26,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:26,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:26,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:26,969 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:27,201 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 00:07:27,304 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 38 proven. 15 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-25 00:07:27,304 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:27,305 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:07:27,306 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 148 with the following transitions: [2018-10-25 00:07:27,309 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [56], [59], [63], [64], [68], [72], [76], [79], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [479], [481], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:07:27,366 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:07:27,367 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:07:27,982 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:07:27,985 INFO L272 AbstractInterpreter]: Visited 102 different actions 102 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-10-25 00:07:28,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:28,006 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:07:28,430 INFO L232 lantSequenceWeakener]: Weakened 136 states. On average, predicates are now at 80.65% of their original sizes. [2018-10-25 00:07:28,431 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:07:28,697 INFO L413 sIntCurrentIteration]: We have 146 unified AI predicates [2018-10-25 00:07:28,697 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:07:28,698 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:07:28,698 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-10-25 00:07:28,698 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:07:28,699 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:07:28,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:07:28,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 00:07:28,700 INFO L87 Difference]: Start difference. First operand 1256 states and 1828 transitions. Second operand 6 states. [2018-10-25 00:07:38,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:38,868 INFO L93 Difference]: Finished difference Result 2656 states and 3872 transitions. [2018-10-25 00:07:38,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 00:07:38,868 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-10-25 00:07:38,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:38,876 INFO L225 Difference]: With dead ends: 2656 [2018-10-25 00:07:38,877 INFO L226 Difference]: Without dead ends: 1406 [2018-10-25 00:07:38,882 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 147 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-25 00:07:38,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1406 states. [2018-10-25 00:07:38,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1406 to 1403. [2018-10-25 00:07:38,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1403 states. [2018-10-25 00:07:38,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1403 states and 1989 transitions. [2018-10-25 00:07:38,925 INFO L78 Accepts]: Start accepts. Automaton has 1403 states and 1989 transitions. Word has length 147 [2018-10-25 00:07:38,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:38,926 INFO L481 AbstractCegarLoop]: Abstraction has 1403 states and 1989 transitions. [2018-10-25 00:07:38,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:07:38,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1989 transitions. [2018-10-25 00:07:38,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-25 00:07:38,932 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:38,932 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-25 00:07:38,933 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:38,933 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:38,933 INFO L82 PathProgramCache]: Analyzing trace with hash 408540226, now seen corresponding path program 1 times [2018-10-25 00:07:38,934 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:38,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:38,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:38,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:38,935 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:39,130 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 46 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:07:39,130 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:39,131 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:07:39,131 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-10-25 00:07:39,131 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [479], [481], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:07:39,136 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:07:39,137 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:07:39,687 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:07:39,687 INFO L272 AbstractInterpreter]: Visited 105 different actions 307 times. Merged at 7 different actions 14 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-10-25 00:07:39,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:39,727 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:07:41,005 INFO L232 lantSequenceWeakener]: Weakened 5 states. On average, predicates are now at 83.33% of their original sizes. [2018-10-25 00:07:41,005 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:07:45,365 INFO L413 sIntCurrentIteration]: We have 151 unified AI predicates [2018-10-25 00:07:45,366 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:07:45,366 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:07:45,367 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [10] total 20 [2018-10-25 00:07:45,367 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:07:45,367 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-25 00:07:45,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-25 00:07:45,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2018-10-25 00:07:45,368 INFO L87 Difference]: Start difference. First operand 1403 states and 1989 transitions. Second operand 12 states. [2018-10-25 00:08:04,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:08:04,930 INFO L93 Difference]: Finished difference Result 3999 states and 5891 transitions. [2018-10-25 00:08:04,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-25 00:08:04,931 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 152 [2018-10-25 00:08:04,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:08:04,951 INFO L225 Difference]: With dead ends: 3999 [2018-10-25 00:08:04,952 INFO L226 Difference]: Without dead ends: 2602 [2018-10-25 00:08:04,958 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 156 GetRequests, 28 SyntacticMatches, 113 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 605 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2018-10-25 00:08:04,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2602 states. [2018-10-25 00:08:05,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2602 to 2451. [2018-10-25 00:08:05,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2451 states. [2018-10-25 00:08:05,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2451 states to 2451 states and 3375 transitions. [2018-10-25 00:08:05,041 INFO L78 Accepts]: Start accepts. Automaton has 2451 states and 3375 transitions. Word has length 152 [2018-10-25 00:08:05,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:08:05,041 INFO L481 AbstractCegarLoop]: Abstraction has 2451 states and 3375 transitions. [2018-10-25 00:08:05,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-25 00:08:05,042 INFO L276 IsEmpty]: Start isEmpty. Operand 2451 states and 3375 transitions. [2018-10-25 00:08:05,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-10-25 00:08:05,051 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:08:05,052 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:08:05,052 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:08:05,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:05,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1456591882, now seen corresponding path program 1 times [2018-10-25 00:08:05,053 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:08:05,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:05,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:05,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:05,054 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:08:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:05,311 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 71 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-25 00:08:05,311 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:05,311 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:08:05,312 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 174 with the following transitions: [2018-10-25 00:08:05,312 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [479], [481], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:08:05,316 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:08:05,316 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:08:05,824 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:08:05,825 INFO L272 AbstractInterpreter]: Visited 107 different actions 429 times. Merged at 8 different actions 34 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 4 different actions. Largest state had 38 variables. [2018-10-25 00:08:05,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:05,832 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:08:07,175 INFO L232 lantSequenceWeakener]: Weakened 2 states. On average, predicates are now at 81.94% of their original sizes. [2018-10-25 00:08:07,175 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:08:11,038 INFO L413 sIntCurrentIteration]: We have 172 unified AI predicates [2018-10-25 00:08:11,038 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:08:11,038 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:08:11,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [9] total 20 [2018-10-25 00:08:11,039 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:08:11,040 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-25 00:08:11,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-25 00:08:11,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-10-25 00:08:11,040 INFO L87 Difference]: Start difference. First operand 2451 states and 3375 transitions. Second operand 13 states. [2018-10-25 00:08:30,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:08:30,828 INFO L93 Difference]: Finished difference Result 6829 states and 9646 transitions. [2018-10-25 00:08:30,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-10-25 00:08:30,828 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 173 [2018-10-25 00:08:30,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:08:30,848 INFO L225 Difference]: With dead ends: 6829 [2018-10-25 00:08:30,849 INFO L226 Difference]: Without dead ends: 3772 [2018-10-25 00:08:30,863 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 178 GetRequests, 43 SyntacticMatches, 118 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 765 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2018-10-25 00:08:30,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3772 states. [2018-10-25 00:08:30,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3772 to 3767. [2018-10-25 00:08:30,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3767 states. [2018-10-25 00:08:30,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3767 states to 3767 states and 4869 transitions. [2018-10-25 00:08:30,985 INFO L78 Accepts]: Start accepts. Automaton has 3767 states and 4869 transitions. Word has length 173 [2018-10-25 00:08:30,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:08:30,986 INFO L481 AbstractCegarLoop]: Abstraction has 3767 states and 4869 transitions. [2018-10-25 00:08:30,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-25 00:08:30,986 INFO L276 IsEmpty]: Start isEmpty. Operand 3767 states and 4869 transitions. [2018-10-25 00:08:31,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-25 00:08:31,001 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:08:31,001 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:08:31,002 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:08:31,002 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:31,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1135438191, now seen corresponding path program 1 times [2018-10-25 00:08:31,002 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:08:31,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:31,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:31,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:31,003 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:08:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:31,225 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 00:08:31,266 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 116 proven. 35 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-25 00:08:31,266 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:31,266 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:08:31,266 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 216 with the following transitions: [2018-10-25 00:08:31,267 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [275], [278], [282], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [479], [481], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:08:31,271 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:08:31,271 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:08:32,218 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:08:32,219 INFO L272 AbstractInterpreter]: Visited 109 different actions 430 times. Merged at 8 different actions 34 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 4 different actions. Largest state had 38 variables. [2018-10-25 00:08:32,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:32,229 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:08:32,229 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:32,229 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:08:32,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:32,238 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:08:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:32,354 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:08:32,668 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-10-25 00:08:32,668 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:08:33,542 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 116 proven. 35 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-25 00:08:33,572 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:08:33,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-10-25 00:08:33,572 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:08:33,573 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-25 00:08:33,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-25 00:08:33,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-10-25 00:08:33,574 INFO L87 Difference]: Start difference. First operand 3767 states and 4869 transitions. Second operand 9 states. [2018-10-25 00:08:35,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:08:35,511 INFO L93 Difference]: Finished difference Result 8825 states and 11625 transitions. [2018-10-25 00:08:35,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-25 00:08:35,514 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 215 [2018-10-25 00:08:35,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:08:35,539 INFO L225 Difference]: With dead ends: 8825 [2018-10-25 00:08:35,539 INFO L226 Difference]: Without dead ends: 5659 [2018-10-25 00:08:35,551 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 429 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-10-25 00:08:35,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5659 states. [2018-10-25 00:08:35,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5659 to 5612. [2018-10-25 00:08:35,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5612 states. [2018-10-25 00:08:35,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5612 states to 5612 states and 7154 transitions. [2018-10-25 00:08:35,703 INFO L78 Accepts]: Start accepts. Automaton has 5612 states and 7154 transitions. Word has length 215 [2018-10-25 00:08:35,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:08:35,704 INFO L481 AbstractCegarLoop]: Abstraction has 5612 states and 7154 transitions. [2018-10-25 00:08:35,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-25 00:08:35,704 INFO L276 IsEmpty]: Start isEmpty. Operand 5612 states and 7154 transitions. [2018-10-25 00:08:35,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-10-25 00:08:35,722 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:08:35,722 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:08:35,723 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:08:35,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:35,723 INFO L82 PathProgramCache]: Analyzing trace with hash 976122272, now seen corresponding path program 1 times [2018-10-25 00:08:35,723 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:08:35,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:35,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:35,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:35,725 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:08:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:35,979 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 123 proven. 36 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-25 00:08:35,979 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:35,979 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:08:35,979 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 218 with the following transitions: [2018-10-25 00:08:35,980 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [275], [278], [282], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [479], [481], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:08:35,984 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:08:35,984 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:08:36,641 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:08:36,641 INFO L272 AbstractInterpreter]: Visited 110 different actions 332 times. Merged at 9 different actions 30 times. Widened at 1 different actions 2 times. Found 5 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-25 00:08:36,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:36,677 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:08:36,677 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:36,677 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:08:36,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:36,688 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:08:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:36,794 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:08:36,910 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-10-25 00:08:36,910 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:08:37,175 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 135 proven. 10 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-25 00:08:37,197 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:08:37,197 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 14 [2018-10-25 00:08:37,197 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:08:37,198 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-25 00:08:37,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-25 00:08:37,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-10-25 00:08:37,199 INFO L87 Difference]: Start difference. First operand 5612 states and 7154 transitions. Second operand 11 states. [2018-10-25 00:08:41,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:08:41,227 INFO L93 Difference]: Finished difference Result 8269 states and 10449 transitions. [2018-10-25 00:08:41,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-10-25 00:08:41,228 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2018-10-25 00:08:41,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:08:41,228 INFO L225 Difference]: With dead ends: 8269 [2018-10-25 00:08:41,229 INFO L226 Difference]: Without dead ends: 0 [2018-10-25 00:08:41,248 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 442 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=202, Invalid=668, Unknown=0, NotChecked=0, Total=870 [2018-10-25 00:08:41,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-25 00:08:41,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-25 00:08:41,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-25 00:08:41,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-25 00:08:41,249 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 217 [2018-10-25 00:08:41,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:08:41,249 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-25 00:08:41,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-25 00:08:41,249 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-25 00:08:41,249 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-25 00:08:41,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-25 00:08:41,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:41,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:41,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:41,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:41,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:41,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:41,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:41,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:41,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:41,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:41,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:41,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:41,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:41,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:41,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:41,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:41,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:41,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:41,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:41,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:41,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:42,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:42,023 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 130 [2018-10-25 00:08:42,933 WARN L179 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2018-10-25 00:08:43,358 WARN L179 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 77 [2018-10-25 00:08:49,198 WARN L179 SmtUtils]: Spent 5.82 s on a formula simplification. DAG size of input: 229 DAG size of output: 122 [2018-10-25 00:08:50,010 WARN L179 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 93 [2018-10-25 00:08:50,740 WARN L179 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 99 [2018-10-25 00:08:50,743 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:08:50,743 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0)) [2018-10-25 00:08:50,744 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:08:50,744 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,744 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,744 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,744 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,744 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,744 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-10-25 00:08:50,744 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-10-25 00:08:50,744 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-10-25 00:08:50,745 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-10-25 00:08:50,745 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-10-25 00:08:50,745 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-10-25 00:08:50,745 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-10-25 00:08:50,745 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-10-25 00:08:50,745 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-10-25 00:08:50,746 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 454) no Hoare annotation was computed. [2018-10-25 00:08:50,746 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-10-25 00:08:50,746 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-10-25 00:08:50,746 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-10-25 00:08:50,746 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-10-25 00:08:50,746 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,746 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,746 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,747 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,747 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-10-25 00:08:50,747 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,747 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-10-25 00:08:50,747 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-10-25 00:08:50,747 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-10-25 00:08:50,747 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-10-25 00:08:50,747 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-10-25 00:08:50,747 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-10-25 00:08:50,747 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-10-25 00:08:50,747 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-10-25 00:08:50,748 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-10-25 00:08:50,748 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-10-25 00:08:50,748 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-10-25 00:08:50,748 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-10-25 00:08:50,748 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-10-25 00:08:50,748 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-10-25 00:08:50,748 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-10-25 00:08:50,749 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,749 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,749 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,749 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,749 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,749 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-10-25 00:08:50,749 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-10-25 00:08:50,749 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-10-25 00:08:50,750 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-10-25 00:08:50,750 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-10-25 00:08:50,750 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-10-25 00:08:50,750 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-10-25 00:08:50,750 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-10-25 00:08:50,750 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-10-25 00:08:50,750 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-10-25 00:08:50,750 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-10-25 00:08:50,751 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,751 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,751 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,751 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,751 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,751 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-10-25 00:08:50,751 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-10-25 00:08:50,751 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-10-25 00:08:50,752 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-10-25 00:08:50,752 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-10-25 00:08:50,752 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-10-25 00:08:50,752 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-10-25 00:08:50,752 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-10-25 00:08:50,752 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-10-25 00:08:50,752 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-10-25 00:08:50,752 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-10-25 00:08:50,753 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-10-25 00:08:50,753 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-10-25 00:08:50,753 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,753 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,753 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,753 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,753 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,753 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-10-25 00:08:50,754 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-10-25 00:08:50,754 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-10-25 00:08:50,754 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-10-25 00:08:50,754 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-10-25 00:08:50,754 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-10-25 00:08:50,754 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-10-25 00:08:50,754 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-10-25 00:08:50,754 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-10-25 00:08:50,755 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-10-25 00:08:50,755 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-10-25 00:08:50,755 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-10-25 00:08:50,755 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-10-25 00:08:50,755 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-10-25 00:08:50,755 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-10-25 00:08:50,755 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-10-25 00:08:50,756 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,756 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,756 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,756 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,756 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-10-25 00:08:50,756 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,756 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-10-25 00:08:50,756 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,756 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-10-25 00:08:50,757 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-10-25 00:08:50,757 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-10-25 00:08:50,757 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,757 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,757 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-10-25 00:08:50,757 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-10-25 00:08:50,757 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-10-25 00:08:50,757 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-10-25 00:08:50,758 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-10-25 00:08:50,758 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-10-25 00:08:50,758 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-10-25 00:08:50,758 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-10-25 00:08:50,758 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-10-25 00:08:50,758 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-10-25 00:08:50,758 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-10-25 00:08:50,758 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,759 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,759 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,759 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,759 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,759 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,759 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-10-25 00:08:50,759 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-10-25 00:08:50,759 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-10-25 00:08:50,760 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-10-25 00:08:50,760 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-10-25 00:08:50,760 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-10-25 00:08:50,760 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-10-25 00:08:50,760 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-10-25 00:08:50,760 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-10-25 00:08:50,760 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-10-25 00:08:50,760 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-10-25 00:08:50,760 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,760 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,761 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,761 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,761 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,761 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,761 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-10-25 00:08:50,761 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-10-25 00:08:50,761 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-10-25 00:08:50,761 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-10-25 00:08:50,761 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-10-25 00:08:50,761 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-10-25 00:08:50,761 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-10-25 00:08:50,761 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-10-25 00:08:50,761 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-10-25 00:08:50,761 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-10-25 00:08:50,762 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-10-25 00:08:50,762 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-10-25 00:08:50,762 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-10-25 00:08:50,762 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-10-25 00:08:50,762 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,762 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,762 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,762 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse17 (not (= ~v~0 22))) (.cse18 (not (= ~u~0 21))) (.cse19 (not (= ~a21~0 1))) (.cse20 (not (= ~y~0 25))) (.cse21 (not (= 3 ~c~0))) (.cse22 (= |calculate_output_#in~input| 0)) (.cse23 (not (= ~a~0 1))) (.cse24 (not (= 26 ~z~0))) (.cse25 (not (= ~x~0 24))) (.cse27 (not (= ~e~0 5))) (.cse28 (not (= ~d~0 4))) (.cse29 (not (= 6 ~f~0))) (.cse30 (not (= ~w~0 23))) (.cse26 (not (= 8 |old(~a17~0)|)))) (let ((.cse3 (or (not (= 1 ~a21~0)) (= 0 |old(~a28~0)|) .cse26)) (.cse15 (<= ~a17~0 |old(~a17~0)|)) (.cse9 (= |old(~a19~0)| ~a19~0)) (.cse4 (= 1 ~a11~0)) (.cse6 (< 10 |old(~a28~0)|)) (.cse12 (< 0 |old(~a19~0)|)) (.cse1 (not (= 1 |old(~a11~0)|))) (.cse16 (< 7 |old(~a17~0)|)) (.cse13 (not (= ~a25~0 1))) (.cse14 (= 1 |old(~a25~0)|)) (.cse7 (not (= 0 |old(~a11~0)|))) (.cse0 (not (= 1 |old(~a19~0)|))) (.cse11 (or .cse17 .cse18 .cse19 .cse20 (= |old(~a28~0)| 0) .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30)) (.cse8 (= |old(~a28~0)| ~a28~0)) (.cse10 (= ~a11~0 0)) (.cse2 (= 1 ~a19~0)) (.cse5 (= ~a17~0 8))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and .cse4 (and (not (= ~a28~0 0)) .cse5)) .cse1 .cse3) (or .cse6 .cse7 (and .cse8 .cse9 .cse10 .cse5) .cse11 .cse12) (or .cse6 .cse7 .cse13 .cse11 .cse12 .cse14) (or .cse6 .cse0 (and .cse15 .cse8 .cse4 .cse2) .cse1 .cse16) (or .cse13 .cse6 .cse12 .cse1 .cse16 .cse14) (or .cse13 .cse1 .cse3 .cse14) (or .cse6 .cse13 .cse0 .cse1 .cse16 .cse14) (or (and .cse15 .cse8 .cse9 .cse4) .cse6 .cse12 .cse1 .cse16) (or (= ~a25~0 0) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) .cse0 (or (not (= |old(~a11~0)| 0)) .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30)) (or .cse7 .cse13 .cse0 .cse11 .cse14) (or .cse7 .cse0 .cse11 (and .cse8 .cse10 .cse2 .cse5))))) [2018-10-25 00:08:50,762 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,763 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,763 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,763 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-10-25 00:08:50,763 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-10-25 00:08:50,763 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-10-25 00:08:50,763 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-10-25 00:08:50,763 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-10-25 00:08:50,763 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-10-25 00:08:50,763 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-10-25 00:08:50,763 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-10-25 00:08:50,763 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-10-25 00:08:50,763 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-10-25 00:08:50,763 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-10-25 00:08:50,764 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-10-25 00:08:50,764 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-10-25 00:08:50,764 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,764 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,764 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,764 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,764 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,764 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,764 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-10-25 00:08:50,764 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-10-25 00:08:50,764 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-10-25 00:08:50,764 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-10-25 00:08:50,764 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-10-25 00:08:50,764 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-10-25 00:08:50,765 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-10-25 00:08:50,765 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-10-25 00:08:50,765 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-10-25 00:08:50,765 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-10-25 00:08:50,765 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-10-25 00:08:50,765 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-10-25 00:08:50,765 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-10-25 00:08:50,765 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-10-25 00:08:50,765 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-10-25 00:08:50,765 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-10-25 00:08:50,765 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,765 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,765 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,766 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,766 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:50,766 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-10-25 00:08:50,766 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-10-25 00:08:50,766 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-10-25 00:08:50,766 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-10-25 00:08:50,766 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-10-25 00:08:50,766 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-10-25 00:08:50,766 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-10-25 00:08:50,767 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-10-25 00:08:50,767 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-10-25 00:08:50,767 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-10-25 00:08:50,767 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-10-25 00:08:50,767 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-10-25 00:08:50,767 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-10-25 00:08:50,767 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-10-25 00:08:50,767 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-10-25 00:08:50,767 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-10-25 00:08:50,767 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-10-25 00:08:50,767 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-10-25 00:08:50,768 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-10-25 00:08:50,768 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:08:50,768 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~z~0 26) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a~0 1) (= ~a19~0 1) (= ~a28~0 7)) [2018-10-25 00:08:50,768 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-25 00:08:50,768 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:08:50,768 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a19~0 1) (= |old(~a28~0)| ~a28~0) (= ~a17~0 8)) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-10-25 00:08:50,768 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-10-25 00:08:50,768 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse2 (= ~a11~0 0)) (.cse7 (= ~a21~0 1))) (let ((.cse9 (<= ~a19~0 0)) (.cse4 (not (= main_~input~0 0))) (.cse0 (not (= main_~output~0 0))) (.cse5 (and .cse2 .cse7)) (.cse6 (not (= ~a28~0 0))) (.cse1 (= ~a17~0 8)) (.cse8 (<= ~a17~0 7)) (.cse10 (= 1 ~a11~0)) (.cse11 (<= ~a28~0 10)) (.cse3 (= 1 ~a19~0))) (or (and (and .cse0 .cse1) .cse2 (= ~a25~0 0) (= ~a19~0 1) (= ~a28~0 7)) (and .cse3 .cse4 .cse0 .cse5 .cse6 .cse1) (not .cse7) (not (= ~y~0 25)) (and .cse8 .cse9 .cse10 .cse11) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (and .cse10 (and .cse6 .cse1)) (not (= ~z~0 26)) (and .cse9 .cse11 .cse4 .cse0 .cse5 .cse6 .cse1) (not (= 0 |old(~a25~0)|)) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (and .cse8 .cse10 .cse11 .cse3) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0))))) [2018-10-25 00:08:50,769 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-10-25 00:08:50,769 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-10-25 00:08:50,769 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse6 (= ~a21~0 1))) (let ((.cse8 (<= ~a19~0 0)) (.cse1 (not (= main_~input~0 0))) (.cse2 (not (= main_~output~0 0))) (.cse3 (and (= ~a11~0 0) .cse6)) (.cse4 (not (= ~a28~0 0))) (.cse5 (= ~a17~0 8)) (.cse7 (<= ~a17~0 7)) (.cse9 (= 1 ~a11~0)) (.cse10 (<= ~a28~0 10)) (.cse0 (= 1 ~a19~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not .cse6) (not (= ~y~0 25)) (and .cse7 .cse8 .cse9 .cse10) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (and .cse9 (and .cse4 .cse5)) (not (= ~z~0 26)) (and .cse8 .cse10 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= 0 |old(~a25~0)|)) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (and .cse7 .cse9 .cse10 .cse0) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0))))) [2018-10-25 00:08:50,769 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-10-25 00:08:50,769 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-10-25 00:08:50,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 12:08:50 BoogieIcfgContainer [2018-10-25 00:08:50,784 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-25 00:08:50,785 INFO L168 Benchmark]: Toolchain (without parser) took 95365.81 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 3.2 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-10-25 00:08:50,787 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-25 00:08:50,787 INFO L168 Benchmark]: CACSL2BoogieTranslator took 785.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-25 00:08:50,788 INFO L168 Benchmark]: Boogie Procedure Inliner took 178.85 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -805.3 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-10-25 00:08:50,789 INFO L168 Benchmark]: Boogie Preprocessor took 98.34 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-25 00:08:50,789 INFO L168 Benchmark]: RCFGBuilder took 3201.80 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: 103.3 MB). Peak memory consumption was 103.3 MB. Max. memory is 7.1 GB. [2018-10-25 00:08:50,790 INFO L168 Benchmark]: TraceAbstraction took 91092.73 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-10-25 00:08:50,795 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 785.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 178.85 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -805.3 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.34 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 3201.80 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: 103.3 MB). Peak memory consumption was 103.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 91092.73 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 454]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((!(output == 0) && a17 == 8) && a11 == 0) && a25 == 0) && a19 == 1) && a28 == 7) || (((((1 == a19 && !(input == 0)) && !(output == 0)) && a11 == 0 && a21 == 1) && !(a28 == 0)) && a17 == 8)) || !(a21 == 1)) || !(y == 25)) || (((a17 <= 7 && a19 <= 0) && 1 == a11) && a28 <= 10)) || !(1 == \old(a19))) || !(x == 24)) || !(e == 5)) || !(d == 4)) || !(21 == u)) || !(22 == v)) || !(\old(a11) == 0)) || (1 == a11 && !(a28 == 0) && a17 == 8)) || !(z == 26)) || ((((((a19 <= 0 && a28 <= 10) && !(input == 0)) && !(output == 0)) && a11 == 0 && a21 == 1) && !(a28 == 0)) && a17 == 8)) || !(0 == \old(a25))) || !(3 == c)) || !(23 == w)) || !(\old(a28) == 7)) || (((a17 <= 7 && 1 == a11) && a28 <= 10) && 1 == a19)) || !(a == 1)) || !(\old(a17) == 8)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 90.9s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 61.1s AutomataDifference, 0.0s DeadEndRemovalTime, 9.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1435 SDtfs, 5862 SDslu, 1184 SDs, 0 SdLazy, 12502 SolverSat, 1240 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.7s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1410 GetRequests, 1092 SyntacticMatches, 238 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1559 ImplicationChecksByTransitivity, 10.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5612occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.4s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9966545020100783 AbsIntWeakeningRatio, 0.23880597014925373 AbsIntAvgWeakeningVarsNumRemoved, 8.575692963752665 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 211 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 125 PreInvPairs, 179 NumberOfFragments, 1075 HoareAnnotationTreeSize, 125 FomulaSimplifications, 16474 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 16414 FormulaSimplificationTreeSizeReductionInter, 8.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1662 NumberOfCodeBlocks, 1662 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2082 ConstructedInterpolants, 0 QuantifiedInterpolants, 668596 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1089 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 1118/1292 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...