java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 17:06:59,312 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 17:06:59,314 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 17:06:59,333 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 17:06:59,333 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 17:06:59,335 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 17:06:59,337 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 17:06:59,339 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 17:06:59,346 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 17:06:59,347 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 17:06:59,348 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 17:06:59,349 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 17:06:59,350 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 17:06:59,354 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 17:06:59,355 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 17:06:59,356 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 17:06:59,359 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 17:06:59,363 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 17:06:59,369 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 17:06:59,373 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 17:06:59,376 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 17:06:59,378 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 17:06:59,382 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 17:06:59,382 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 17:06:59,383 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 17:06:59,384 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 17:06:59,384 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 17:06:59,388 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 17:06:59,388 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 17:06:59,389 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 17:06:59,392 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 17:06:59,393 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-11-12 17:06:59,397 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-12 17:06:59,422 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 17:06:59,422 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 17:06:59,423 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 17:06:59,423 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 17:06:59,424 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 17:06:59,424 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 17:06:59,424 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 17:06:59,424 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 17:06:59,424 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 17:06:59,425 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 17:06:59,425 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 17:06:59,425 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 17:06:59,425 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 17:06:59,426 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 17:06:59,426 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 17:06:59,428 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 17:06:59,428 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 17:06:59,428 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 17:06:59,428 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 17:06:59,429 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 17:06:59,429 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 17:06:59,429 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 17:06:59,429 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 17:06:59,429 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 17:06:59,430 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 17:06:59,430 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 17:06:59,430 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 17:06:59,430 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 17:06:59,430 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 17:06:59,431 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 17:06:59,431 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 17:06:59,431 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 17:06:59,431 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 17:06:59,432 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 17:06:59,432 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 17:06:59,482 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 17:06:59,495 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 17:06:59,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 17:06:59,502 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 17:06:59,503 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 17:06:59,504 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c [2018-11-12 17:06:59,571 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e70760b3/0d99a73352434b0f8e30b7c87535d99e/FLAG4e33c2b18 [2018-11-12 17:07:00,165 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 17:07:00,167 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c [2018-11-12 17:07:00,186 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e70760b3/0d99a73352434b0f8e30b7c87535d99e/FLAG4e33c2b18 [2018-11-12 17:07:00,219 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e70760b3/0d99a73352434b0f8e30b7c87535d99e [2018-11-12 17:07:00,233 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 17:07:00,235 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 17:07:00,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 17:07:00,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 17:07:00,243 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 17:07:00,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:07:00" (1/1) ... [2018-11-12 17:07:00,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bca0b68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:00, skipping insertion in model container [2018-11-12 17:07:00,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:07:00" (1/1) ... [2018-11-12 17:07:00,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 17:07:00,349 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 17:07:00,903 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 17:07:00,910 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 17:07:01,078 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 17:07:01,119 INFO L193 MainTranslator]: Completed translation [2018-11-12 17:07:01,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:01 WrapperNode [2018-11-12 17:07:01,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 17:07:01,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 17:07:01,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 17:07:01,124 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 17:07:01,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:01" (1/1) ... [2018-11-12 17:07:01,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:01" (1/1) ... [2018-11-12 17:07:01,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 17:07:01,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 17:07:01,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 17:07:01,293 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 17:07:01,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:01" (1/1) ... [2018-11-12 17:07:01,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:01" (1/1) ... [2018-11-12 17:07:01,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:01" (1/1) ... [2018-11-12 17:07:01,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:01" (1/1) ... [2018-11-12 17:07:01,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:01" (1/1) ... [2018-11-12 17:07:01,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:01" (1/1) ... [2018-11-12 17:07:01,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:01" (1/1) ... [2018-11-12 17:07:01,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 17:07:01,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 17:07:01,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 17:07:01,429 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 17:07:01,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 17:07:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-12 17:07:01,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 17:07:01,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 17:07:01,499 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-12 17:07:01,500 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-12 17:07:01,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 17:07:01,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 17:07:01,500 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 17:07:01,500 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 17:07:04,543 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 17:07:04,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:07:04 BoogieIcfgContainer [2018-11-12 17:07:04,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 17:07:04,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 17:07:04,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 17:07:04,549 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 17:07:04,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:07:00" (1/3) ... [2018-11-12 17:07:04,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@438bf183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:07:04, skipping insertion in model container [2018-11-12 17:07:04,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:01" (2/3) ... [2018-11-12 17:07:04,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@438bf183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:07:04, skipping insertion in model container [2018-11-12 17:07:04,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:07:04" (3/3) ... [2018-11-12 17:07:04,553 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label08_true-unreach-call_false-termination.c [2018-11-12 17:07:04,563 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 17:07:04,573 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 17:07:04,591 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 17:07:04,633 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 17:07:04,634 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 17:07:04,634 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 17:07:04,634 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 17:07:04,634 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 17:07:04,635 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 17:07:04,635 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 17:07:04,635 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 17:07:04,671 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-12 17:07:04,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-12 17:07:04,694 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:07:04,696 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:07:04,698 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:07:04,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:07:04,706 INFO L82 PathProgramCache]: Analyzing trace with hash -682702232, now seen corresponding path program 1 times [2018-11-12 17:07:04,708 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:07:04,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:04,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:07:04,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:04,758 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:07:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:07:05,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:07:05,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 17:07:05,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-12 17:07:05,462 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:07:05,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 17:07:05,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 17:07:05,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 17:07:05,488 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-12 17:07:06,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:07:06,894 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-12 17:07:06,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 17:07:06,897 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2018-11-12 17:07:06,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:07:06,918 INFO L225 Difference]: With dead ends: 550 [2018-11-12 17:07:06,918 INFO L226 Difference]: Without dead ends: 340 [2018-11-12 17:07:06,925 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 17:07:06,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-12 17:07:06,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-12 17:07:06,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-12 17:07:06,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 553 transitions. [2018-11-12 17:07:07,000 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 553 transitions. Word has length 120 [2018-11-12 17:07:07,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:07:07,001 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 553 transitions. [2018-11-12 17:07:07,001 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-12 17:07:07,001 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 553 transitions. [2018-11-12 17:07:07,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-12 17:07:07,010 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:07:07,010 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:07:07,010 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:07:07,011 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:07:07,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1009333063, now seen corresponding path program 1 times [2018-11-12 17:07:07,011 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:07:07,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:07,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:07:07,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:07,013 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:07:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:07:07,225 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:07:07,226 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 17:07:07,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 17:07:07,226 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:07:07,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 17:07:07,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 17:07:07,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 17:07:07,229 INFO L87 Difference]: Start difference. First operand 340 states and 553 transitions. Second operand 6 states. [2018-11-12 17:07:09,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:07:09,032 INFO L93 Difference]: Finished difference Result 1075 states and 1835 transitions. [2018-11-12 17:07:09,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 17:07:09,035 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2018-11-12 17:07:09,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:07:09,044 INFO L225 Difference]: With dead ends: 1075 [2018-11-12 17:07:09,044 INFO L226 Difference]: Without dead ends: 741 [2018-11-12 17:07:09,047 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-12 17:07:09,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-12 17:07:09,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-11-12 17:07:09,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-11-12 17:07:09,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1145 transitions. [2018-11-12 17:07:09,113 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1145 transitions. Word has length 131 [2018-11-12 17:07:09,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:07:09,113 INFO L480 AbstractCegarLoop]: Abstraction has 724 states and 1145 transitions. [2018-11-12 17:07:09,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 17:07:09,114 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1145 transitions. [2018-11-12 17:07:09,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-12 17:07:09,118 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:07:09,118 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:07:09,118 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:07:09,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:07:09,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1121563035, now seen corresponding path program 1 times [2018-11-12 17:07:09,119 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:07:09,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:09,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:07:09,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:09,120 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:07:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:07:09,504 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-11-12 17:07:09,632 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:07:09,632 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 17:07:09,633 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-12 17:07:09,633 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:07:09,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-12 17:07:09,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-12 17:07:09,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-12 17:07:09,634 INFO L87 Difference]: Start difference. First operand 724 states and 1145 transitions. Second operand 5 states. [2018-11-12 17:07:11,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:07:11,862 INFO L93 Difference]: Finished difference Result 1578 states and 2533 transitions. [2018-11-12 17:07:11,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-12 17:07:11,862 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2018-11-12 17:07:11,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:07:11,867 INFO L225 Difference]: With dead ends: 1578 [2018-11-12 17:07:11,868 INFO L226 Difference]: Without dead ends: 721 [2018-11-12 17:07:11,871 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-12 17:07:11,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2018-11-12 17:07:11,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 721. [2018-11-12 17:07:11,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2018-11-12 17:07:11,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1069 transitions. [2018-11-12 17:07:11,893 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1069 transitions. Word has length 132 [2018-11-12 17:07:11,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:07:11,894 INFO L480 AbstractCegarLoop]: Abstraction has 721 states and 1069 transitions. [2018-11-12 17:07:11,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-12 17:07:11,894 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1069 transitions. [2018-11-12 17:07:11,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-12 17:07:11,897 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:07:11,898 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:07:11,898 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:07:11,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:07:11,898 INFO L82 PathProgramCache]: Analyzing trace with hash 915740739, now seen corresponding path program 1 times [2018-11-12 17:07:11,899 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:07:11,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:11,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:07:11,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:11,900 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:07:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:07:12,629 WARN L179 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2018-11-12 17:07:12,744 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:07:12,745 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 17:07:12,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-12 17:07:12,745 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:07:12,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-12 17:07:12,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-12 17:07:12,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-12 17:07:12,746 INFO L87 Difference]: Start difference. First operand 721 states and 1069 transitions. Second operand 5 states. [2018-11-12 17:07:13,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:07:13,771 INFO L93 Difference]: Finished difference Result 1572 states and 2365 transitions. [2018-11-12 17:07:13,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-12 17:07:13,771 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2018-11-12 17:07:13,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:07:13,779 INFO L225 Difference]: With dead ends: 1572 [2018-11-12 17:07:13,779 INFO L226 Difference]: Without dead ends: 720 [2018-11-12 17:07:13,782 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-12 17:07:13,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2018-11-12 17:07:13,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 720. [2018-11-12 17:07:13,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2018-11-12 17:07:13,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 1062 transitions. [2018-11-12 17:07:13,812 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 1062 transitions. Word has length 133 [2018-11-12 17:07:13,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:07:13,813 INFO L480 AbstractCegarLoop]: Abstraction has 720 states and 1062 transitions. [2018-11-12 17:07:13,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-12 17:07:13,813 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1062 transitions. [2018-11-12 17:07:13,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-12 17:07:13,816 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:07:13,816 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:07:13,816 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:07:13,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:07:13,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1024180077, now seen corresponding path program 1 times [2018-11-12 17:07:13,817 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:07:13,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:13,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:07:13,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:13,818 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:07:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:07:13,970 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:07:13,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 17:07:13,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-12 17:07:13,971 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:07:13,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 17:07:13,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 17:07:13,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 17:07:13,972 INFO L87 Difference]: Start difference. First operand 720 states and 1062 transitions. Second operand 3 states. [2018-11-12 17:07:15,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:07:15,012 INFO L93 Difference]: Finished difference Result 1882 states and 2820 transitions. [2018-11-12 17:07:15,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 17:07:15,017 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2018-11-12 17:07:15,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:07:15,025 INFO L225 Difference]: With dead ends: 1882 [2018-11-12 17:07:15,025 INFO L226 Difference]: Without dead ends: 1168 [2018-11-12 17:07:15,029 INFO L604 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 [2018-11-12 17:07:15,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2018-11-12 17:07:15,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1164. [2018-11-12 17:07:15,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1164 states. [2018-11-12 17:07:15,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1592 transitions. [2018-11-12 17:07:15,066 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1592 transitions. Word has length 136 [2018-11-12 17:07:15,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:07:15,067 INFO L480 AbstractCegarLoop]: Abstraction has 1164 states and 1592 transitions. [2018-11-12 17:07:15,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-12 17:07:15,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1592 transitions. [2018-11-12 17:07:15,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-12 17:07:15,074 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:07:15,074 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:07:15,074 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:07:15,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:07:15,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1336149662, now seen corresponding path program 1 times [2018-11-12 17:07:15,075 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:07:15,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:15,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:07:15,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:15,076 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:07:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:07:15,312 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:07:15,313 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:07:15,313 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:07:15,314 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2018-11-12 17:07:15,316 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [597], [599], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-12 17:07:15,374 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:07:15,374 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:07:15,998 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 17:07:16,000 INFO L272 AbstractInterpreter]: Visited 69 different actions 69 times. Never merged. Never widened. Performed 883 root evaluator evaluations with a maximum evaluation depth of 6. Performed 883 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Never found a fixpoint. Largest state had 42 variables. [2018-11-12 17:07:16,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:07:16,012 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 17:07:16,519 INFO L227 lantSequenceWeakener]: Weakened 107 states. On average, predicates are now at 79.64% of their original sizes. [2018-11-12 17:07:16,520 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 17:07:17,792 INFO L415 sIntCurrentIteration]: We unified 167 AI predicates to 167 [2018-11-12 17:07:17,793 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 17:07:17,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 17:07:17,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2018-11-12 17:07:17,794 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:07:17,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-12 17:07:17,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-12 17:07:17,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-11-12 17:07:17,796 INFO L87 Difference]: Start difference. First operand 1164 states and 1592 transitions. Second operand 12 states. [2018-11-12 17:07:27,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:07:27,559 INFO L93 Difference]: Finished difference Result 2383 states and 3259 transitions. [2018-11-12 17:07:27,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-12 17:07:27,559 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 168 [2018-11-12 17:07:27,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:07:27,566 INFO L225 Difference]: With dead ends: 2383 [2018-11-12 17:07:27,566 INFO L226 Difference]: Without dead ends: 1225 [2018-11-12 17:07:27,570 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 173 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2018-11-12 17:07:27,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2018-11-12 17:07:27,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 1225. [2018-11-12 17:07:27,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1225 states. [2018-11-12 17:07:27,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 1658 transitions. [2018-11-12 17:07:27,604 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 1658 transitions. Word has length 168 [2018-11-12 17:07:27,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:07:27,604 INFO L480 AbstractCegarLoop]: Abstraction has 1225 states and 1658 transitions. [2018-11-12 17:07:27,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-12 17:07:27,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1658 transitions. [2018-11-12 17:07:27,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-12 17:07:27,610 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:07:27,611 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:07:27,611 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:07:27,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:07:27,611 INFO L82 PathProgramCache]: Analyzing trace with hash 213477505, now seen corresponding path program 1 times [2018-11-12 17:07:27,612 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:07:27,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:27,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:07:27,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:27,613 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:07:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:07:27,825 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 60 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-12 17:07:27,825 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:07:27,825 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:07:27,826 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 178 with the following transitions: [2018-11-12 17:07:27,826 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [597], [599], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-12 17:07:27,833 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:07:27,833 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:07:28,564 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 17:07:28,565 INFO L272 AbstractInterpreter]: Visited 125 different actions 192 times. Merged at 5 different actions 5 times. Never widened. Performed 3069 root evaluator evaluations with a maximum evaluation depth of 6. Performed 3069 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-12 17:07:28,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:07:28,602 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 17:07:29,335 INFO L227 lantSequenceWeakener]: Weakened 86 states. On average, predicates are now at 81.22% of their original sizes. [2018-11-12 17:07:29,335 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 17:07:31,785 INFO L415 sIntCurrentIteration]: We unified 176 AI predicates to 176 [2018-11-12 17:07:31,786 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 17:07:31,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 17:07:31,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2018-11-12 17:07:31,786 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:07:31,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-12 17:07:31,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-12 17:07:31,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-12 17:07:31,787 INFO L87 Difference]: Start difference. First operand 1225 states and 1658 transitions. Second operand 19 states. [2018-11-12 17:07:48,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:07:48,002 INFO L93 Difference]: Finished difference Result 2668 states and 3649 transitions. [2018-11-12 17:07:48,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-12 17:07:48,002 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 177 [2018-11-12 17:07:48,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:07:48,010 INFO L225 Difference]: With dead ends: 2668 [2018-11-12 17:07:48,010 INFO L226 Difference]: Without dead ends: 1510 [2018-11-12 17:07:48,015 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 188 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=207, Invalid=723, Unknown=0, NotChecked=0, Total=930 [2018-11-12 17:07:48,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1510 states. [2018-11-12 17:07:48,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1510 to 1499. [2018-11-12 17:07:48,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1499 states. [2018-11-12 17:07:48,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1499 states and 1952 transitions. [2018-11-12 17:07:48,065 INFO L78 Accepts]: Start accepts. Automaton has 1499 states and 1952 transitions. Word has length 177 [2018-11-12 17:07:48,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:07:48,065 INFO L480 AbstractCegarLoop]: Abstraction has 1499 states and 1952 transitions. [2018-11-12 17:07:48,065 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-12 17:07:48,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 1952 transitions. [2018-11-12 17:07:48,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-12 17:07:48,073 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:07:48,073 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-12 17:07:48,074 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:07:48,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:07:48,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1364345835, now seen corresponding path program 1 times [2018-11-12 17:07:48,074 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:07:48,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:48,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:07:48,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:07:48,076 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:07:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:07:48,321 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 100 proven. 15 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-12 17:07:48,322 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:07:48,322 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:07:48,322 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 211 with the following transitions: [2018-11-12 17:07:48,323 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [597], [599], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-12 17:07:48,327 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:07:48,327 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:07:48,881 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 17:07:48,881 INFO L272 AbstractInterpreter]: Visited 125 different actions 194 times. Merged at 5 different actions 7 times. Never widened. Performed 3350 root evaluator evaluations with a maximum evaluation depth of 6. Performed 3350 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-12 17:07:48,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:07:48,885 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 17:07:49,623 INFO L227 lantSequenceWeakener]: Weakened 104 states. On average, predicates are now at 81.01% of their original sizes. [2018-11-12 17:07:49,623 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 17:07:50,860 INFO L415 sIntCurrentIteration]: We unified 209 AI predicates to 209 [2018-11-12 17:07:50,861 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 17:07:50,861 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 17:07:50,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [6] total 27 [2018-11-12 17:07:50,861 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:07:50,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-12 17:07:50,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-12 17:07:50,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2018-11-12 17:07:50,863 INFO L87 Difference]: Start difference. First operand 1499 states and 1952 transitions. Second operand 23 states. [2018-11-12 17:08:08,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:08:08,973 INFO L93 Difference]: Finished difference Result 3079 states and 4073 transitions. [2018-11-12 17:08:08,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-12 17:08:08,973 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 210 [2018-11-12 17:08:08,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:08:08,982 INFO L225 Difference]: With dead ends: 3079 [2018-11-12 17:08:08,982 INFO L226 Difference]: Without dead ends: 1921 [2018-11-12 17:08:08,987 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 218 GetRequests, 182 SyntacticMatches, 6 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=224, Invalid=768, Unknown=0, NotChecked=0, Total=992 [2018-11-12 17:08:08,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2018-11-12 17:08:09,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1773. [2018-11-12 17:08:09,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1773 states. [2018-11-12 17:08:09,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1773 states and 2244 transitions. [2018-11-12 17:08:09,034 INFO L78 Accepts]: Start accepts. Automaton has 1773 states and 2244 transitions. Word has length 210 [2018-11-12 17:08:09,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:08:09,035 INFO L480 AbstractCegarLoop]: Abstraction has 1773 states and 2244 transitions. [2018-11-12 17:08:09,035 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-12 17:08:09,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1773 states and 2244 transitions. [2018-11-12 17:08:09,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-12 17:08:09,043 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:08:09,043 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:08:09,044 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:08:09,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:09,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1434391096, now seen corresponding path program 1 times [2018-11-12 17:08:09,044 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:08:09,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:09,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:08:09,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:09,045 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:08:09,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:08:09,276 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 98 proven. 52 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-12 17:08:09,277 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:08:09,277 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:08:09,277 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 220 with the following transitions: [2018-11-12 17:08:09,278 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [597], [599], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-12 17:08:09,282 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:08:09,282 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:08:12,134 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 17:08:12,135 INFO L272 AbstractInterpreter]: Visited 127 different actions 1100 times. Merged at 9 different actions 102 times. Widened at 1 different actions 5 times. Performed 16293 root evaluator evaluations with a maximum evaluation depth of 6. Performed 16293 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 23 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-12 17:08:12,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:12,142 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 17:08:12,142 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:08:12,142 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-12 17:08:12,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:08:12,154 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 17:08:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:08:12,293 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 17:08:12,557 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 116 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-12 17:08:12,557 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 17:08:12,900 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 104 proven. 44 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-12 17:08:12,921 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-12 17:08:12,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-12 17:08:12,922 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-12 17:08:12,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-12 17:08:12,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-12 17:08:12,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-12 17:08:12,923 INFO L87 Difference]: Start difference. First operand 1773 states and 2244 transitions. Second operand 11 states. [2018-11-12 17:08:15,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:08:15,132 INFO L93 Difference]: Finished difference Result 3781 states and 4917 transitions. [2018-11-12 17:08:15,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-12 17:08:15,133 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 219 [2018-11-12 17:08:15,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:08:15,144 INFO L225 Difference]: With dead ends: 3781 [2018-11-12 17:08:15,144 INFO L226 Difference]: Without dead ends: 2349 [2018-11-12 17:08:15,149 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 439 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2018-11-12 17:08:15,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2349 states. [2018-11-12 17:08:15,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2349 to 2207. [2018-11-12 17:08:15,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2207 states. [2018-11-12 17:08:15,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 2207 states and 2780 transitions. [2018-11-12 17:08:15,208 INFO L78 Accepts]: Start accepts. Automaton has 2207 states and 2780 transitions. Word has length 219 [2018-11-12 17:08:15,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:08:15,209 INFO L480 AbstractCegarLoop]: Abstraction has 2207 states and 2780 transitions. [2018-11-12 17:08:15,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-12 17:08:15,209 INFO L276 IsEmpty]: Start isEmpty. Operand 2207 states and 2780 transitions. [2018-11-12 17:08:15,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-12 17:08:15,218 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:08:15,219 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:08:15,219 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:08:15,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:15,220 INFO L82 PathProgramCache]: Analyzing trace with hash 49211626, now seen corresponding path program 2 times [2018-11-12 17:08:15,220 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:08:15,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:15,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:08:15,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:15,221 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:08:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:08:15,738 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 98 proven. 54 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-12 17:08:15,738 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:08:15,738 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:08:15,738 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-12 17:08:15,738 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-12 17:08:15,738 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:08:15,739 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-12 17:08:15,747 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-12 17:08:15,747 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-12 17:08:15,814 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-12 17:08:15,815 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-12 17:08:15,822 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 17:08:16,030 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-12 17:08:16,030 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 17:08:16,126 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-12 17:08:16,146 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-12 17:08:16,147 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-11-12 17:08:16,147 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:08:16,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 17:08:16,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 17:08:16,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-11-12 17:08:16,148 INFO L87 Difference]: Start difference. First operand 2207 states and 2780 transitions. Second operand 3 states. [2018-11-12 17:08:17,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:08:17,165 INFO L93 Difference]: Finished difference Result 4485 states and 5889 transitions. [2018-11-12 17:08:17,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 17:08:17,165 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 219 [2018-11-12 17:08:17,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:08:17,177 INFO L225 Difference]: With dead ends: 4485 [2018-11-12 17:08:17,177 INFO L226 Difference]: Without dead ends: 2757 [2018-11-12 17:08:17,183 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-11-12 17:08:17,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2757 states. [2018-11-12 17:08:17,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2757 to 2621. [2018-11-12 17:08:17,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2621 states. [2018-11-12 17:08:17,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2621 states to 2621 states and 3243 transitions. [2018-11-12 17:08:17,247 INFO L78 Accepts]: Start accepts. Automaton has 2621 states and 3243 transitions. Word has length 219 [2018-11-12 17:08:17,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:08:17,248 INFO L480 AbstractCegarLoop]: Abstraction has 2621 states and 3243 transitions. [2018-11-12 17:08:17,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-12 17:08:17,248 INFO L276 IsEmpty]: Start isEmpty. Operand 2621 states and 3243 transitions. [2018-11-12 17:08:17,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-12 17:08:17,258 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:08:17,258 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-12 17:08:17,259 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:08:17,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:17,259 INFO L82 PathProgramCache]: Analyzing trace with hash 725737755, now seen corresponding path program 1 times [2018-11-12 17:08:17,259 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:08:17,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:17,260 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-12 17:08:17,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:17,261 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:08:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:08:17,859 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 107 proven. 49 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-12 17:08:17,859 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:08:17,859 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:08:17,860 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 231 with the following transitions: [2018-11-12 17:08:17,860 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [205], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [597], [599], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-12 17:08:17,864 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:08:17,864 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:08:18,773 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 17:08:18,773 INFO L272 AbstractInterpreter]: Visited 125 different actions 444 times. Merged at 8 different actions 29 times. Never widened. Performed 6785 root evaluator evaluations with a maximum evaluation depth of 6. Performed 6785 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 7 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-12 17:08:18,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:18,785 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 17:08:19,260 INFO L227 lantSequenceWeakener]: Weakened 227 states. On average, predicates are now at 80.35% of their original sizes. [2018-11-12 17:08:19,261 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 17:08:19,354 INFO L415 sIntCurrentIteration]: We unified 229 AI predicates to 229 [2018-11-12 17:08:19,354 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 17:08:19,355 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 17:08:19,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2018-11-12 17:08:19,355 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:08:19,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-12 17:08:19,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-12 17:08:19,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-12 17:08:19,356 INFO L87 Difference]: Start difference. First operand 2621 states and 3243 transitions. Second operand 10 states. [2018-11-12 17:08:24,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:08:24,187 INFO L93 Difference]: Finished difference Result 5869 states and 7450 transitions. [2018-11-12 17:08:24,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-12 17:08:24,187 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 230 [2018-11-12 17:08:24,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:08:24,202 INFO L225 Difference]: With dead ends: 5869 [2018-11-12 17:08:24,202 INFO L226 Difference]: Without dead ends: 3727 [2018-11-12 17:08:24,209 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 237 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-11-12 17:08:24,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3727 states. [2018-11-12 17:08:24,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3727 to 3678. [2018-11-12 17:08:24,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3678 states. [2018-11-12 17:08:24,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3678 states to 3678 states and 4429 transitions. [2018-11-12 17:08:24,298 INFO L78 Accepts]: Start accepts. Automaton has 3678 states and 4429 transitions. Word has length 230 [2018-11-12 17:08:24,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:08:24,298 INFO L480 AbstractCegarLoop]: Abstraction has 3678 states and 4429 transitions. [2018-11-12 17:08:24,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-12 17:08:24,299 INFO L276 IsEmpty]: Start isEmpty. Operand 3678 states and 4429 transitions. [2018-11-12 17:08:24,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-12 17:08:24,313 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:08:24,313 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-11-12 17:08:24,313 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:08:24,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:24,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1447497907, now seen corresponding path program 1 times [2018-11-12 17:08:24,314 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:08:24,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:24,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:08:24,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:24,315 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:08:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:08:24,715 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 148 proven. 84 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-12 17:08:24,715 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:08:24,715 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:08:24,716 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 268 with the following transitions: [2018-11-12 17:08:24,716 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [53], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [205], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [597], [599], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-12 17:08:24,719 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:08:24,719 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:08:25,889 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 17:08:25,890 INFO L272 AbstractInterpreter]: Visited 128 different actions 595 times. Merged at 10 different actions 55 times. Widened at 1 different actions 1 times. Performed 9013 root evaluator evaluations with a maximum evaluation depth of 6. Performed 9013 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 14 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-12 17:08:25,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:25,892 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 17:08:25,892 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:08:25,892 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-12 17:08:25,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:08:25,901 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 17:08:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:08:26,007 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 17:08:26,111 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 155 proven. 2 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-11-12 17:08:26,111 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 17:08:26,227 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 154 proven. 20 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-12 17:08:26,249 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-12 17:08:26,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-11-12 17:08:26,249 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-12 17:08:26,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-12 17:08:26,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-12 17:08:26,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-11-12 17:08:26,250 INFO L87 Difference]: Start difference. First operand 3678 states and 4429 transitions. Second operand 12 states. [2018-11-12 17:08:31,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:08:31,258 INFO L93 Difference]: Finished difference Result 13469 states and 17576 transitions. [2018-11-12 17:08:31,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-11-12 17:08:31,259 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 267 [2018-11-12 17:08:31,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:08:31,307 INFO L225 Difference]: With dead ends: 13469 [2018-11-12 17:08:31,308 INFO L226 Difference]: Without dead ends: 9996 [2018-11-12 17:08:31,328 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 613 GetRequests, 565 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 627 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=479, Invalid=1873, Unknown=0, NotChecked=0, Total=2352 [2018-11-12 17:08:31,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9996 states. [2018-11-12 17:08:31,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9996 to 9419. [2018-11-12 17:08:31,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9419 states. [2018-11-12 17:08:31,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9419 states to 9419 states and 11635 transitions. [2018-11-12 17:08:31,603 INFO L78 Accepts]: Start accepts. Automaton has 9419 states and 11635 transitions. Word has length 267 [2018-11-12 17:08:31,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:08:31,604 INFO L480 AbstractCegarLoop]: Abstraction has 9419 states and 11635 transitions. [2018-11-12 17:08:31,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-12 17:08:31,604 INFO L276 IsEmpty]: Start isEmpty. Operand 9419 states and 11635 transitions. [2018-11-12 17:08:31,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-12 17:08:31,641 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:08:31,641 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-12 17:08:31,641 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:08:31,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:31,642 INFO L82 PathProgramCache]: Analyzing trace with hash -773602765, now seen corresponding path program 1 times [2018-11-12 17:08:31,642 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:08:31,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:31,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:08:31,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:31,643 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:08:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:08:32,199 WARN L179 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-11-12 17:08:32,269 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 175 proven. 101 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-12 17:08:32,270 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:08:32,270 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:08:32,270 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 277 with the following transitions: [2018-11-12 17:08:32,270 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [53], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [205], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [597], [599], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-12 17:08:32,273 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:08:32,273 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:08:33,112 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 17:08:33,113 INFO L272 AbstractInterpreter]: Visited 127 different actions 452 times. Merged at 8 different actions 29 times. Never widened. Performed 6626 root evaluator evaluations with a maximum evaluation depth of 6. Performed 6626 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 6 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-12 17:08:33,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:33,122 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 17:08:33,573 INFO L227 lantSequenceWeakener]: Weakened 273 states. On average, predicates are now at 80.33% of their original sizes. [2018-11-12 17:08:33,573 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 17:08:33,679 INFO L415 sIntCurrentIteration]: We unified 275 AI predicates to 275 [2018-11-12 17:08:33,679 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 17:08:33,680 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 17:08:33,680 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-11-12 17:08:33,680 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:08:33,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-12 17:08:33,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-12 17:08:33,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-12 17:08:33,682 INFO L87 Difference]: Start difference. First operand 9419 states and 11635 transitions. Second operand 11 states. [2018-11-12 17:08:40,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:08:40,646 INFO L93 Difference]: Finished difference Result 20850 states and 25769 transitions. [2018-11-12 17:08:40,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-12 17:08:40,647 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 276 [2018-11-12 17:08:40,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:08:40,690 INFO L225 Difference]: With dead ends: 20850 [2018-11-12 17:08:40,691 INFO L226 Difference]: Without dead ends: 11774 [2018-11-12 17:08:40,723 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 286 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2018-11-12 17:08:40,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11774 states. [2018-11-12 17:08:40,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11774 to 11703. [2018-11-12 17:08:40,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11703 states. [2018-11-12 17:08:41,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11703 states to 11703 states and 14172 transitions. [2018-11-12 17:08:41,017 INFO L78 Accepts]: Start accepts. Automaton has 11703 states and 14172 transitions. Word has length 276 [2018-11-12 17:08:41,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:08:41,017 INFO L480 AbstractCegarLoop]: Abstraction has 11703 states and 14172 transitions. [2018-11-12 17:08:41,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-12 17:08:41,017 INFO L276 IsEmpty]: Start isEmpty. Operand 11703 states and 14172 transitions. [2018-11-12 17:08:41,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-11-12 17:08:41,063 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:08:41,064 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:08:41,064 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:08:41,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:41,064 INFO L82 PathProgramCache]: Analyzing trace with hash -415329883, now seen corresponding path program 1 times [2018-11-12 17:08:41,064 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:08:41,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:41,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:08:41,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:08:41,065 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:08:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:08:42,011 WARN L179 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-11-12 17:08:42,179 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 230 proven. 84 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-12 17:08:42,179 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:08:42,179 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:08:42,180 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 293 with the following transitions: [2018-11-12 17:08:42,180 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [53], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [105], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [205], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [597], [599], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-12 17:08:42,183 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:08:42,183 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:08:45,061 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 17:08:45,062 INFO L272 AbstractInterpreter]: Visited 128 different actions 1256 times. Merged at 10 different actions 130 times. Widened at 1 different actions 6 times. Performed 18593 root evaluator evaluations with a maximum evaluation depth of 6. Performed 18593 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 33 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-12 17:08:45,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:08:45,067 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 17:08:45,067 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:08:45,067 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-12 17:08:45,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:08:45,076 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 17:08:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:08:45,196 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 17:08:45,418 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 277 proven. 2 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-12 17:08:45,418 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 17:08:45,667 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 277 proven. 2 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-12 17:08:45,688 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-12 17:08:45,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2018-11-12 17:08:45,688 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-12 17:08:45,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-12 17:08:45,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-12 17:08:45,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2018-11-12 17:08:45,690 INFO L87 Difference]: Start difference. First operand 11703 states and 14172 transitions. Second operand 11 states. [2018-11-12 17:08:48,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:08:48,943 INFO L93 Difference]: Finished difference Result 23701 states and 31914 transitions. [2018-11-12 17:08:48,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-12 17:08:48,944 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 292 [2018-11-12 17:08:48,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:08:48,944 INFO L225 Difference]: With dead ends: 23701 [2018-11-12 17:08:48,944 INFO L226 Difference]: Without dead ends: 0 [2018-11-12 17:08:49,029 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 621 GetRequests, 595 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=182, Invalid=574, Unknown=0, NotChecked=0, Total=756 [2018-11-12 17:08:49,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-12 17:08:49,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-12 17:08:49,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-12 17:08:49,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-12 17:08:49,031 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 292 [2018-11-12 17:08:49,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:08:49,031 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-12 17:08:49,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-12 17:08:49,033 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-12 17:08:49,034 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-12 17:08:49,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-12 17:08:50,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:50,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:50,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:50,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:50,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:50,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:50,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:50,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:50,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:50,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:50,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:50,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:50,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:51,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:51,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:51,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:51,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:51,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:51,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:51,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:51,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:52,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,673 WARN L179 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 663 DAG size of output: 268 [2018-11-12 17:08:53,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:53,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:54,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:54,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:54,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:54,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:54,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:54,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:54,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:54,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:54,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:54,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:54,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:54,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:54,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:54,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:54,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:54,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:54,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:54,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:54,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:54,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:54,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:54,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:54,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:54,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:54,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:54,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:08:54,745 WARN L179 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 579 DAG size of output: 210 [2018-11-12 17:08:54,851 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2018-11-12 17:08:55,179 WARN L179 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 86 [2018-11-12 17:08:59,474 WARN L179 SmtUtils]: Spent 4.23 s on a formula simplification. DAG size of input: 388 DAG size of output: 178 [2018-11-12 17:09:01,062 WARN L179 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 268 DAG size of output: 120 [2018-11-12 17:09:02,379 WARN L179 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 232 DAG size of output: 118 [2018-11-12 17:09:02,383 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-12 17:09:02,383 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0)) [2018-11-12 17:09:02,383 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-12 17:09:02,384 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-12 17:09:02,384 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-12 17:09:02,384 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,384 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,384 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,384 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,384 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,384 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,385 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-12 17:09:02,385 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-12 17:09:02,385 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-12 17:09:02,385 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-12 17:09:02,385 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-12 17:09:02,385 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-12 17:09:02,385 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-12 17:09:02,385 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-12 17:09:02,385 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-12 17:09:02,385 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-12 17:09:02,385 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,385 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,385 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,385 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,386 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,386 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,386 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-12 17:09:02,386 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-12 17:09:02,386 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-12 17:09:02,386 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-12 17:09:02,386 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-12 17:09:02,386 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-12 17:09:02,386 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-12 17:09:02,387 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-12 17:09:02,387 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-12 17:09:02,387 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-12 17:09:02,387 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-12 17:09:02,387 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-12 17:09:02,387 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-12 17:09:02,387 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-12 17:09:02,387 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-12 17:09:02,387 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,387 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,387 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,387 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,387 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,387 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-12 17:09:02,388 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-12 17:09:02,388 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-12 17:09:02,388 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-12 17:09:02,388 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-12 17:09:02,388 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-12 17:09:02,388 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-12 17:09:02,388 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-12 17:09:02,388 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-12 17:09:02,388 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,388 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,388 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,388 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,388 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,389 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-12 17:09:02,389 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-12 17:09:02,389 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-12 17:09:02,389 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-12 17:09:02,389 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-12 17:09:02,389 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-12 17:09:02,389 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-12 17:09:02,389 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-12 17:09:02,389 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-12 17:09:02,389 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-12 17:09:02,389 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-12 17:09:02,390 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-12 17:09:02,390 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-12 17:09:02,390 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,390 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,390 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,390 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,390 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,390 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-12 17:09:02,390 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-12 17:09:02,390 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-12 17:09:02,391 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-12 17:09:02,391 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-12 17:09:02,391 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-12 17:09:02,391 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-12 17:09:02,391 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-12 17:09:02,391 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-12 17:09:02,391 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,391 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,391 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,391 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,391 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,391 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,392 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-12 17:09:02,392 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,392 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-12 17:09:02,392 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-12 17:09:02,392 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-12 17:09:02,392 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-12 17:09:02,392 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-12 17:09:02,392 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-12 17:09:02,392 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-12 17:09:02,392 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-12 17:09:02,392 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-12 17:09:02,392 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-12 17:09:02,392 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-12 17:09:02,392 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-12 17:09:02,392 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-12 17:09:02,393 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,393 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,393 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,393 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,393 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,393 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-12 17:09:02,393 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-12 17:09:02,393 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-12 17:09:02,393 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-12 17:09:02,393 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-12 17:09:02,393 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-12 17:09:02,393 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-12 17:09:02,393 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-12 17:09:02,393 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,393 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,394 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,394 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,394 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,394 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-12 17:09:02,394 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-12 17:09:02,394 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-12 17:09:02,394 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-12 17:09:02,394 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-12 17:09:02,394 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-12 17:09:02,395 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-12 17:09:02,395 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-12 17:09:02,395 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-12 17:09:02,395 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-12 17:09:02,396 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse17 (= 1 |old(~a17~0)|)) (.cse23 (= 13 |old(~a8~0)|)) (.cse33 (= 1 |old(~a21~0)|)) (.cse44 (= 1 |old(~a7~0)|)) (.cse7 (= ~a21~0 1)) (.cse38 (= 1 ~a7~0)) (.cse36 (= |old(~a20~0)| ~a20~0)) (.cse12 (= ~a17~0 |old(~a17~0)|)) (.cse39 (= |old(~a16~0)| ~a16~0))) (let ((.cse11 (<= 0 ~a20~0)) (.cse9 (<= ~a20~0 0)) (.cse6 (< 1 |old(~a17~0)|)) (.cse15 (< |old(~a20~0)| 0)) (.cse13 (= ~a16~0 4)) (.cse35 (and (not .cse7) .cse38 .cse36 .cse12 .cse39)) (.cse16 (< |old(~a17~0)| 0)) (.cse22 (not (= |old(~a20~0)| 1))) (.cse28 (not (= 15 |old(~a8~0)|))) (.cse21 (= ~a8~0 15)) (.cse32 (= 6 |old(~a16~0)|)) (.cse29 (< 0 |old(~a17~0)|)) (.cse19 (< 0 |old(~a20~0)|)) (.cse24 (not (= ~a8~0 13))) (.cse0 (< 6 |calculate_output_#in~input|)) (.cse1 (not (= 0 |old(~a7~0)|))) (.cse3 (< 15 |old(~a8~0)|)) (.cse8 (<= ~a8~0 15)) (.cse25 (= ~a16~0 |old(~a16~0)|)) (.cse10 (= ~a7~0 |old(~a7~0)|)) (.cse14 (<= 13 ~a8~0)) (.cse26 (< 6 |old(~a16~0)|)) (.cse27 (< |old(~a16~0)| 4)) (.cse18 (< |old(~a8~0)| 13)) (.cse20 (< |calculate_output_#in~input| 1)) (.cse34 (not .cse44)) (.cse2 (not .cse33)) (.cse30 (not (= 1 |old(~a20~0)|))) (.cse4 (not (= 4 |old(~a16~0)|))) (.cse5 (not (= 8 ~a12~0))) (.cse31 (= 1 ~a20~0)) (.cse40 (= 13 ~a8~0)) (.cse41 (= 1 ~a21~0)) (.cse42 (= 1 ~a17~0)) (.cse43 (not .cse23)) (.cse37 (not .cse17))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (and .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) .cse15 .cse16 .cse17 .cse18 .cse19 .cse20) (or (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= ~x~0 24)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) .cse21 .cse20 .cse1 .cse0 (not (= 3 ~c~0)) .cse22 (not (= 23 ~w~0)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 1)) (not (= |old(~a8~0)| 15)) (not (= 6 ~f~0))) (or .cse0 .cse1 .cse2 .cse3 .cse23 .cse5 (and .cse7 .cse8 .cse24 .cse10 .cse11 .cse12 .cse25 .cse14 .cse9) .cse6 .cse15 .cse26 .cse27 .cse16 .cse18 .cse19 .cse20) (or (or .cse0 (or .cse1 .cse2 (< |old(~a16~0)| 5) .cse28 .cse5) .cse29 .cse26 .cse30 .cse16 .cse20) .cse21) (or .cse0 .cse1 .cse2 .cse3 (and .cse7 .cse8 .cse31 .cse10 .cse12 .cse13 .cse14) .cse4 .cse5 .cse29 .cse30 .cse16 .cse18 .cse20) (or .cse32 .cse33 .cse5 .cse34 .cse35 .cse19) (or .cse35 (or .cse30 .cse33 .cse5) .cse34) (or .cse0 .cse1 .cse2 .cse3 .cse23 .cse5 .cse29 .cse26 .cse30 .cse27 (and .cse7 .cse8 .cse24 .cse25 .cse31 .cse10 .cse12 .cse14) .cse16 .cse18 .cse20) (or .cse32 .cse22 .cse23 (and .cse36 .cse24 .cse10 .cse12 .cse25) .cse5 .cse34 .cse29) (or .cse0 .cse1 .cse2 .cse24 .cse3 .cse23 .cse5 .cse37 .cse26 .cse30 .cse27 .cse18 .cse20) (or .cse0 (or .cse28 (not (= 5 |old(~a16~0)|))) .cse37 (or .cse1 .cse2 (not (= 0 |old(~a20~0)|)) .cse5) .cse21 .cse20) (or .cse32 .cse23 .cse5 .cse34 .cse29 .cse19 (and .cse38 .cse36 .cse12 .cse39 .cse24)) (or .cse0 .cse1 .cse2 .cse3 .cse5 .cse37 (and .cse7 .cse8 .cse25 .cse31 .cse10 .cse12 .cse14) .cse26 .cse30 .cse27 .cse18 .cse20) (or .cse2 .cse30 .cse4 (and .cse38 .cse31 .cse40 .cse39 .cse41 .cse42) .cse5 .cse34 .cse43 .cse37) (or .cse2 .cse44 .cse30 .cse4 .cse5 (and (not (= ~a7~0 1)) .cse31 .cse40 .cse39 .cse41 .cse42) .cse43 .cse37)))) [2018-11-12 17:09:02,396 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-12 17:09:02,396 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,396 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,396 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,396 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,396 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-12 17:09:02,396 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,396 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,397 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-12 17:09:02,397 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-12 17:09:02,397 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-12 17:09:02,397 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-12 17:09:02,397 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-12 17:09:02,397 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-12 17:09:02,397 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-12 17:09:02,397 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-12 17:09:02,397 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-12 17:09:02,397 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-12 17:09:02,398 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-12 17:09:02,398 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-12 17:09:02,398 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,398 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,398 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,398 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,398 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,398 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-12 17:09:02,398 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,398 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-12 17:09:02,399 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-12 17:09:02,399 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-12 17:09:02,399 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-12 17:09:02,399 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-12 17:09:02,399 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-12 17:09:02,399 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-12 17:09:02,399 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-12 17:09:02,399 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-12 17:09:02,399 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-12 17:09:02,399 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-12 17:09:02,400 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-12 17:09:02,400 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-12 17:09:02,400 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-12 17:09:02,400 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,400 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,400 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,400 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,400 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 515) no Hoare annotation was computed. [2018-11-12 17:09:02,400 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,401 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-12 17:09:02,401 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-12 17:09:02,401 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-12 17:09:02,401 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-12 17:09:02,401 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-12 17:09:02,401 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-12 17:09:02,401 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-12 17:09:02,401 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-12 17:09:02,401 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-12 17:09:02,401 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-12 17:09:02,402 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-12 17:09:02,402 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-12 17:09:02,402 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~a8~0 15) (= ~z~0 26) (= ~a17~0 1) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~a7~0 0) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~b~0 2) (= ~a~0 1) (= ~a12~0 8) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-12 17:09:02,402 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-12 17:09:02,402 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-12 17:09:02,402 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= |old(~a16~0)| 5)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= |old(~a7~0)| 0)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (and (= ~a8~0 15) (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= ~x~0 24)) (not (= |old(~a17~0)| 1)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= |old(~a8~0)| 15)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-11-12 17:09:02,402 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-12 17:09:02,403 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse9 (= ~a21~0 1))) (let ((.cse0 (not .cse9)) (.cse1 (= 1 ~a7~0)) (.cse3 (not (= ~a16~0 6))) (.cse4 (<= ~a17~0 0)) (.cse6 (<= ~a20~0 0)) (.cse5 (not (= ~a8~0 13))) (.cse17 (<= 0 ~a20~0)) (.cse12 (<= ~a16~0 6)) (.cse14 (<= 4 ~a16~0)) (.cse15 (<= ~a20~0 1)) (.cse16 (<= 0 ~a17~0)) (.cse7 (<= 1 main_~input~0)) (.cse10 (<= ~a8~0 15)) (.cse19 (<= ~a17~0 1)) (.cse2 (= 1 ~a20~0)) (.cse8 (<= main_~input~0 6)) (.cse11 (= ~a7~0 0)) (.cse18 (= ~a16~0 4)) (.cse13 (<= 13 ~a8~0))) (or (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (and .cse0 .cse1 .cse2) (and .cse1 .cse2 .cse3 .cse4 .cse5) (not (= ~x~0 24)) (and .cse2 (= 13 ~a8~0) (= 4 ~a16~0) (= 1 ~a21~0) (= 1 ~a17~0)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (and .cse0 .cse1 .cse3 .cse6) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) (not (= 0 |old(~a7~0)|)) (and .cse7 .cse8 .cse9 .cse10 .cse11 (= ~a17~0 |old(~a17~0)|) .cse12 .cse13 .cse14 .cse15 (<= 1 ~a20~0)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (and .cse16 .cse7 .cse8 .cse4 .cse9 .cse10 .cse11 .cse17 .cse18 .cse13 .cse6) (and .cse1 .cse3 .cse4 .cse5 .cse6) (not (= ~a~0 1)) (and .cse16 .cse7 .cse8 .cse9 .cse10 .cse5 .cse19 .cse11 .cse17 .cse12 .cse13 .cse14 .cse15) (not (= |old(~a17~0)| 1)) (not (= |old(~a8~0)| 15)) (and .cse16 .cse7 .cse9 .cse10 .cse19 .cse2 .cse8 .cse11 .cse18 .cse13) (not (= 6 ~f~0))))) [2018-11-12 17:09:02,403 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-12 17:09:02,403 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-12 17:09:02,403 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-12 17:09:02,403 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse1 (= ~a21~0 1))) (let ((.cse0 (= 1 ~a20~0)) (.cse8 (<= 1 ~a20~0)) (.cse9 (not .cse1)) (.cse16 (= ~a16~0 4)) (.cse10 (= 1 ~a7~0)) (.cse12 (<= ~a17~0 0)) (.cse17 (<= ~a20~0 0)) (.cse19 (<= 1 main_~input~0)) (.cse20 (<= main_~input~0 6)) (.cse14 (<= 0 ~a17~0)) (.cse2 (<= ~a8~0 15)) (.cse13 (not (= ~a8~0 13))) (.cse15 (<= ~a17~0 1)) (.cse3 (= ~a7~0 0)) (.cse18 (<= 0 ~a20~0)) (.cse11 (not (= ~a16~0 6))) (.cse4 (<= ~a16~0 6)) (.cse5 (<= 13 ~a8~0)) (.cse6 (<= 4 ~a16~0)) (.cse7 (<= ~a20~0 1))) (or (and .cse0 (= 13 ~a8~0) (= 4 ~a16~0) (= 1 ~a21~0) (= 1 ~a17~0)) (and .cse1 .cse2 .cse3 (= ~a17~0 |old(~a17~0)|) .cse4 .cse5 .cse6 .cse7 .cse8) (not (= 3 ~c~0)) (not (= 1 |old(~a21~0)|)) (not (= 4 ~d~0)) (not (= 2 ~b~0)) (not (= ~y~0 25)) (and .cse9 .cse10 .cse0) (and .cse10 .cse0 .cse11 .cse12 .cse13) (not (= ~x~0 24)) (and .cse14 .cse1 .cse2 .cse15 .cse3 .cse16 .cse5 .cse7 .cse8) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (and .cse9 .cse10 .cse11 .cse17) (and .cse14 .cse1 .cse2 .cse13 .cse15 .cse3 .cse18 .cse4 .cse5 .cse6 .cse17) (not (= ~z~0 26)) (not (= |old(~a16~0)| 5)) (not (= 0 |old(~a7~0)|)) (not (= |old(~a20~0)| 1)) (not (= 23 ~w~0)) (and .cse14 .cse19 .cse20 .cse12 .cse1 .cse2 .cse3 .cse18 .cse16 .cse5 .cse17) (not (= 15 |old(~a8~0)|)) (and .cse10 .cse11 .cse12 .cse13 .cse17) (not (= ~a~0 1)) (and .cse14 .cse19 .cse20 .cse1 .cse2 .cse13 .cse15 .cse3 .cse18 .cse4 .cse5 .cse6 .cse7) (not (= |old(~a17~0)| 1)) (not (= 6 ~f~0)) (and .cse14 .cse1 .cse2 .cse13 .cse15 .cse3 .cse18 .cse11 .cse4 .cse5 .cse6 .cse7)))) [2018-11-12 17:09:02,404 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-12 17:09:02,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 05:09:02 BoogieIcfgContainer [2018-11-12 17:09:02,423 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 17:09:02,424 INFO L168 Benchmark]: Toolchain (without parser) took 122190.31 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 2.5 GB. Max. memory is 7.1 GB. [2018-11-12 17:09:02,425 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. [2018-11-12 17:09:02,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 883.97 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-11-12 17:09:02,426 INFO L168 Benchmark]: Boogie Procedure Inliner took 171.01 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 735.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -837.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2018-11-12 17:09:02,427 INFO L168 Benchmark]: Boogie Preprocessor took 135.92 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2018-11-12 17:09:02,428 INFO L168 Benchmark]: RCFGBuilder took 3115.33 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 104.5 MB). Peak memory consumption was 104.5 MB. Max. memory is 7.1 GB. [2018-11-12 17:09:02,429 INFO L168 Benchmark]: TraceAbstraction took 117878.08 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 2.5 GB. Max. memory is 7.1 GB. [2018-11-12 17:09:02,437 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 883.97 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 171.01 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 735.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -837.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.92 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3115.33 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 104.5 MB). Peak memory consumption was 104.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 117878.08 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 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 515]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17) || ((((((((a21 == 1 && a8 <= 15) && a7 == 0) && a17 == \old(a17)) && a16 <= 6) && 13 <= a8) && 4 <= a16) && a20 <= 1) && 1 <= a20)) || !(3 == c)) || !(1 == \old(a21))) || !(4 == d)) || !(2 == b)) || !(y == 25)) || ((!(a21 == 1) && 1 == a7) && 1 == a20)) || ((((1 == a7 && 1 == a20) && !(a16 == 6)) && a17 <= 0) && !(a8 == 13))) || !(x == 24)) || ((((((((0 <= a17 && a21 == 1) && a8 <= 15) && a17 <= 1) && a7 == 0) && a16 == 4) && 13 <= a8) && a20 <= 1) && 1 <= a20)) || !(a12 == 8)) || !(e == 5)) || !(21 == u)) || !(22 == v)) || (((!(a21 == 1) && 1 == a7) && !(a16 == 6)) && a20 <= 0)) || ((((((((((0 <= a17 && a21 == 1) && a8 <= 15) && !(a8 == 13)) && a17 <= 1) && a7 == 0) && 0 <= a20) && a16 <= 6) && 13 <= a8) && 4 <= a16) && a20 <= 0)) || !(z == 26)) || !(\old(a16) == 5)) || !(0 == \old(a7))) || !(\old(a20) == 1)) || !(23 == w)) || ((((((((((0 <= a17 && 1 <= input) && input <= 6) && a17 <= 0) && a21 == 1) && a8 <= 15) && a7 == 0) && 0 <= a20) && a16 == 4) && 13 <= a8) && a20 <= 0)) || !(15 == \old(a8))) || ((((1 == a7 && !(a16 == 6)) && a17 <= 0) && !(a8 == 13)) && a20 <= 0)) || !(a == 1)) || ((((((((((((0 <= a17 && 1 <= input) && input <= 6) && a21 == 1) && a8 <= 15) && !(a8 == 13)) && a17 <= 1) && a7 == 0) && 0 <= a20) && a16 <= 6) && 13 <= a8) && 4 <= a16) && a20 <= 1)) || !(\old(a17) == 1)) || !(6 == f)) || (((((((((((0 <= a17 && a21 == 1) && a8 <= 15) && !(a8 == 13)) && a17 <= 1) && a7 == 0) && 0 <= a20) && !(a16 == 6)) && a16 <= 6) && 13 <= a8) && 4 <= a16) && a20 <= 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 117.7s OverallTime, 14 OverallIterations, 6 TraceHistogramMax, 75.3s AutomataDifference, 0.0s DeadEndRemovalTime, 13.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1930 SDtfs, 12669 SDslu, 2636 SDs, 0 SdLazy, 15628 SolverSat, 2631 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.8s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 3276 GetRequests, 3035 SyntacticMatches, 18 SemanticMatches, 223 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1425 ImplicationChecksByTransitivity, 10.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11703occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 10.7s AbstIntTime, 8 AbstIntIterations, 5 AbstIntStrong, 0.9973438537954353 AbsIntWeakeningRatio, 0.19981060606060605 AbsIntAvgWeakeningVarsNumRemoved, 26.63162878787879 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 1155 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 706 PreInvPairs, 1430 NumberOfFragments, 1676 HoareAnnotationTreeSize, 706 FomulaSimplifications, 124147 FormulaSimplificationTreeSizeReduction, 5.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 20436 FormulaSimplificationTreeSizeReductionInter, 7.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 3707 NumberOfCodeBlocks, 3640 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 4682 ConstructedInterpolants, 0 QuantifiedInterpolants, 2679795 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2429 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 22 InterpolantComputations, 7 PerfectInterpolantSequences, 3426/3954 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...