java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label41_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-25 00:07:53,315 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-25 00:07:53,318 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-25 00:07:53,334 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-25 00:07:53,334 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-25 00:07:53,335 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-25 00:07:53,337 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-25 00:07:53,339 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-25 00:07:53,341 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-25 00:07:53,341 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-25 00:07:53,342 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-25 00:07:53,343 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-25 00:07:53,343 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-25 00:07:53,344 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-25 00:07:53,345 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-25 00:07:53,346 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-25 00:07:53,347 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-25 00:07:53,349 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-25 00:07:53,350 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-25 00:07:53,352 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-25 00:07:53,354 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-25 00:07:53,356 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-25 00:07:53,360 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-25 00:07:53,361 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-25 00:07:53,361 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-25 00:07:53,362 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-25 00:07:53,362 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-25 00:07:53,363 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-25 00:07:53,368 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-25 00:07:53,369 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-25 00:07:53,369 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-25 00:07:53,371 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-25 00:07:53,374 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-25 00:07:53,401 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-25 00:07:53,402 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-25 00:07:53,403 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-25 00:07:53,403 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-25 00:07:53,403 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-25 00:07:53,403 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-25 00:07:53,404 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-25 00:07:53,404 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-25 00:07:53,404 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-25 00:07:53,405 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-25 00:07:53,405 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-25 00:07:53,405 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-25 00:07:53,405 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-25 00:07:53,405 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-25 00:07:53,406 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-25 00:07:53,406 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-25 00:07:53,407 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-25 00:07:53,407 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-25 00:07:53,408 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-25 00:07:53,408 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-25 00:07:53,408 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-25 00:07:53,408 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-25 00:07:53,409 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-25 00:07:53,409 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-25 00:07:53,409 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-25 00:07:53,409 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-25 00:07:53,409 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 00:07:53,410 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-25 00:07:53,410 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-25 00:07:53,410 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-25 00:07:53,410 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-25 00:07:53,411 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-25 00:07:53,411 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-25 00:07:53,411 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-25 00:07:53,411 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-25 00:07:53,411 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-25 00:07:53,461 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-25 00:07:53,476 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-25 00:07:53,479 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-25 00:07:53,482 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-25 00:07:53,483 INFO L276 PluginConnector]: CDTParser initialized [2018-10-25 00:07:53,483 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label41_true-unreach-call_false-termination.c [2018-10-25 00:07:53,547 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e20a0fe6b/a04edadaa1db43dd8060dde74bbfec25/FLAGd63b6a174 [2018-10-25 00:07:54,144 INFO L298 CDTParser]: Found 1 translation units. [2018-10-25 00:07:54,146 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label41_true-unreach-call_false-termination.c [2018-10-25 00:07:54,167 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e20a0fe6b/a04edadaa1db43dd8060dde74bbfec25/FLAGd63b6a174 [2018-10-25 00:07:54,189 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e20a0fe6b/a04edadaa1db43dd8060dde74bbfec25 [2018-10-25 00:07:54,202 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-25 00:07:54,205 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-25 00:07:54,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-25 00:07:54,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-25 00:07:54,212 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-25 00:07:54,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:07:54" (1/1) ... [2018-10-25 00:07:54,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ecc76f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:54, skipping insertion in model container [2018-10-25 00:07:54,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:07:54" (1/1) ... [2018-10-25 00:07:54,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-25 00:07:54,306 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-25 00:07:54,709 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:07:54,719 INFO L189 MainTranslator]: Completed pre-run [2018-10-25 00:07:54,877 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:07:54,902 INFO L193 MainTranslator]: Completed translation [2018-10-25 00:07:54,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:54 WrapperNode [2018-10-25 00:07:54,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-25 00:07:54,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-25 00:07:54,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-25 00:07:54,904 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-25 00:07:54,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:54" (1/1) ... [2018-10-25 00:07:54,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:54" (1/1) ... [2018-10-25 00:07:55,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-25 00:07:55,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-25 00:07:55,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-25 00:07:55,031 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-25 00:07:55,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:54" (1/1) ... [2018-10-25 00:07:55,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:54" (1/1) ... [2018-10-25 00:07:55,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:54" (1/1) ... [2018-10-25 00:07:55,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:54" (1/1) ... [2018-10-25 00:07:55,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:54" (1/1) ... [2018-10-25 00:07:55,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:54" (1/1) ... [2018-10-25 00:07:55,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:54" (1/1) ... [2018-10-25 00:07:55,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-25 00:07:55,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-25 00:07:55,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-25 00:07:55,279 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-25 00:07:55,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 00:07:55,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-25 00:07:55,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-25 00:07:55,340 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-25 00:07:55,340 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-25 00:07:55,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-25 00:07:55,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-25 00:07:55,341 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-25 00:07:55,341 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-25 00:07:58,421 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-25 00:07:58,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:07:58 BoogieIcfgContainer [2018-10-25 00:07:58,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-25 00:07:58,427 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-25 00:07:58,427 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-25 00:07:58,434 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-25 00:07:58,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 12:07:54" (1/3) ... [2018-10-25 00:07:58,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ebe693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:07:58, skipping insertion in model container [2018-10-25 00:07:58,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:07:54" (2/3) ... [2018-10-25 00:07:58,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ebe693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:07:58, skipping insertion in model container [2018-10-25 00:07:58,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:07:58" (3/3) ... [2018-10-25 00:07:58,439 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label41_true-unreach-call_false-termination.c [2018-10-25 00:07:58,449 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-25 00:07:58,460 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-25 00:07:58,480 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-25 00:07:58,517 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-25 00:07:58,517 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-25 00:07:58,517 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-25 00:07:58,518 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-25 00:07:58,518 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-25 00:07:58,518 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-25 00:07:58,518 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-25 00:07:58,519 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-25 00:07:58,546 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-10-25 00:07:58,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-25 00:07:58,559 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:58,561 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] [2018-10-25 00:07:58,563 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:58,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:58,570 INFO L82 PathProgramCache]: Analyzing trace with hash 157371847, now seen corresponding path program 1 times [2018-10-25 00:07:58,573 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:58,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:58,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:58,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:58,628 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:59,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:07:59,221 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:07:59,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-25 00:07:59,221 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:07:59,228 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:07:59,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:07:59,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:07:59,247 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-10-25 00:08:01,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:08:01,041 INFO L93 Difference]: Finished difference Result 626 states and 1068 transitions. [2018-10-25 00:08:01,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:08:01,043 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2018-10-25 00:08:01,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:08:01,064 INFO L225 Difference]: With dead ends: 626 [2018-10-25 00:08:01,064 INFO L226 Difference]: Without dead ends: 387 [2018-10-25 00:08:01,071 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:08:01,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-10-25 00:08:01,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2018-10-25 00:08:01,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-10-25 00:08:01,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 644 transitions. [2018-10-25 00:08:01,149 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 644 transitions. Word has length 97 [2018-10-25 00:08:01,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:08:01,150 INFO L481 AbstractCegarLoop]: Abstraction has 383 states and 644 transitions. [2018-10-25 00:08:01,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:08:01,150 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 644 transitions. [2018-10-25 00:08:01,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-25 00:08:01,158 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:08:01,158 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-25 00:08:01,158 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:08:01,159 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:01,159 INFO L82 PathProgramCache]: Analyzing trace with hash 719851312, now seen corresponding path program 1 times [2018-10-25 00:08:01,159 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:08:01,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:01,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:01,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:01,161 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:08:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:01,381 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:08:01,381 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:08:01,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 00:08:01,382 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:08:01,384 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:08:01,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:08:01,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 00:08:01,385 INFO L87 Difference]: Start difference. First operand 383 states and 644 transitions. Second operand 6 states. [2018-10-25 00:08:03,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:08:03,325 INFO L93 Difference]: Finished difference Result 1189 states and 2102 transitions. [2018-10-25 00:08:03,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 00:08:03,327 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 118 [2018-10-25 00:08:03,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:08:03,334 INFO L225 Difference]: With dead ends: 1189 [2018-10-25 00:08:03,334 INFO L226 Difference]: Without dead ends: 812 [2018-10-25 00:08:03,341 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-25 00:08:03,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2018-10-25 00:08:03,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 793. [2018-10-25 00:08:03,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2018-10-25 00:08:03,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 1279 transitions. [2018-10-25 00:08:03,413 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 1279 transitions. Word has length 118 [2018-10-25 00:08:03,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:08:03,414 INFO L481 AbstractCegarLoop]: Abstraction has 793 states and 1279 transitions. [2018-10-25 00:08:03,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:08:03,414 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1279 transitions. [2018-10-25 00:08:03,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-25 00:08:03,427 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:08:03,428 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:08:03,428 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:08:03,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:03,429 INFO L82 PathProgramCache]: Analyzing trace with hash 849468029, now seen corresponding path program 1 times [2018-10-25 00:08:03,429 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:08:03,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:03,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:03,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:03,430 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:08:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:03,889 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:08:03,890 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:03,890 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:08:03,891 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 128 with the following transitions: [2018-10-25 00:08:03,893 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:08:03,971 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:08:03,971 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:08:04,570 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:08:04,572 INFO L272 AbstractInterpreter]: Visited 98 different actions 98 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-10-25 00:08:04,605 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:04,605 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:08:05,051 INFO L232 lantSequenceWeakener]: Weakened 116 states. On average, predicates are now at 80.56% of their original sizes. [2018-10-25 00:08:05,051 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:08:05,370 INFO L413 sIntCurrentIteration]: We have 126 unified AI predicates [2018-10-25 00:08:05,370 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:08:05,371 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:08:05,371 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-10-25 00:08:05,372 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:08:05,372 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:08:05,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:08:05,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 00:08:05,375 INFO L87 Difference]: Start difference. First operand 793 states and 1279 transitions. Second operand 6 states. [2018-10-25 00:08:15,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:08:15,080 INFO L93 Difference]: Finished difference Result 1730 states and 2791 transitions. [2018-10-25 00:08:15,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 00:08:15,081 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2018-10-25 00:08:15,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:08:15,086 INFO L225 Difference]: With dead ends: 1730 [2018-10-25 00:08:15,087 INFO L226 Difference]: Without dead ends: 943 [2018-10-25 00:08:15,089 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-25 00:08:15,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2018-10-25 00:08:15,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 940. [2018-10-25 00:08:15,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 940 states. [2018-10-25 00:08:15,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1437 transitions. [2018-10-25 00:08:15,120 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1437 transitions. Word has length 127 [2018-10-25 00:08:15,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:08:15,120 INFO L481 AbstractCegarLoop]: Abstraction has 940 states and 1437 transitions. [2018-10-25 00:08:15,120 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:08:15,121 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1437 transitions. [2018-10-25 00:08:15,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-25 00:08:15,124 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:08:15,125 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:08:15,125 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:08:15,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:15,125 INFO L82 PathProgramCache]: Analyzing trace with hash -2145566903, now seen corresponding path program 1 times [2018-10-25 00:08:15,126 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:08:15,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:15,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:15,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:15,127 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:08:15,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:15,372 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 00:08:15,601 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:08:15,602 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:15,602 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:08:15,602 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 133 with the following transitions: [2018-10-25 00:08:15,603 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:08:15,608 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:08:15,608 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:08:15,896 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:08:15,897 INFO L272 AbstractInterpreter]: Visited 101 different actions 196 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-10-25 00:08:15,935 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:15,935 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:08:16,367 INFO L232 lantSequenceWeakener]: Weakened 127 states. On average, predicates are now at 80.61% of their original sizes. [2018-10-25 00:08:16,367 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:08:17,657 INFO L413 sIntCurrentIteration]: We have 131 unified AI predicates [2018-10-25 00:08:17,658 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:08:17,658 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:08:17,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-10-25 00:08:17,659 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:08:17,659 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-25 00:08:17,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-25 00:08:17,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-25 00:08:17,660 INFO L87 Difference]: Start difference. First operand 940 states and 1437 transitions. Second operand 10 states. [2018-10-25 00:08:26,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:08:26,750 INFO L93 Difference]: Finished difference Result 2541 states and 4064 transitions. [2018-10-25 00:08:26,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-25 00:08:26,750 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 132 [2018-10-25 00:08:26,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:08:26,759 INFO L225 Difference]: With dead ends: 2541 [2018-10-25 00:08:26,759 INFO L226 Difference]: Without dead ends: 1607 [2018-10-25 00:08:26,763 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 141 GetRequests, 37 SyntacticMatches, 86 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-10-25 00:08:26,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2018-10-25 00:08:26,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1598. [2018-10-25 00:08:26,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1598 states. [2018-10-25 00:08:26,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1598 states and 2229 transitions. [2018-10-25 00:08:26,813 INFO L78 Accepts]: Start accepts. Automaton has 1598 states and 2229 transitions. Word has length 132 [2018-10-25 00:08:26,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:08:26,814 INFO L481 AbstractCegarLoop]: Abstraction has 1598 states and 2229 transitions. [2018-10-25 00:08:26,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-25 00:08:26,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 2229 transitions. [2018-10-25 00:08:26,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-25 00:08:26,819 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:08:26,819 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-10-25 00:08:26,819 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:08:26,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:26,820 INFO L82 PathProgramCache]: Analyzing trace with hash -26710916, now seen corresponding path program 1 times [2018-10-25 00:08:26,820 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:08:26,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:26,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:26,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:26,821 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:08:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:27,016 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-25 00:08:27,016 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:27,017 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:08:27,017 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 138 with the following transitions: [2018-10-25 00:08:27,018 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:08:27,022 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:08:27,022 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:08:27,498 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:08:27,499 INFO L272 AbstractInterpreter]: Visited 103 different actions 304 times. Merged at 7 different actions 19 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-10-25 00:08:27,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:27,541 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:08:27,542 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:27,542 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:08:27,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:27,558 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:08:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:27,669 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:08:28,352 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 49 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-25 00:08:28,352 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:08:28,980 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 49 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-25 00:08:29,011 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:08:29,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2018-10-25 00:08:29,012 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:08:29,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-25 00:08:29,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-25 00:08:29,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2018-10-25 00:08:29,014 INFO L87 Difference]: Start difference. First operand 1598 states and 2229 transitions. Second operand 12 states. [2018-10-25 00:08:29,839 WARN L179 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 15 [2018-10-25 00:08:35,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:08:35,403 INFO L93 Difference]: Finished difference Result 4276 states and 6367 transitions. [2018-10-25 00:08:35,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-10-25 00:08:35,403 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 137 [2018-10-25 00:08:35,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:08:35,421 INFO L225 Difference]: With dead ends: 4276 [2018-10-25 00:08:35,421 INFO L226 Difference]: Without dead ends: 2684 [2018-10-25 00:08:35,430 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 305 SyntacticMatches, 4 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1075 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=731, Invalid=2691, Unknown=0, NotChecked=0, Total=3422 [2018-10-25 00:08:35,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2684 states. [2018-10-25 00:08:35,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2684 to 2617. [2018-10-25 00:08:35,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2617 states. [2018-10-25 00:08:35,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 2617 states and 3315 transitions. [2018-10-25 00:08:35,527 INFO L78 Accepts]: Start accepts. Automaton has 2617 states and 3315 transitions. Word has length 137 [2018-10-25 00:08:35,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:08:35,528 INFO L481 AbstractCegarLoop]: Abstraction has 2617 states and 3315 transitions. [2018-10-25 00:08:35,528 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-25 00:08:35,528 INFO L276 IsEmpty]: Start isEmpty. Operand 2617 states and 3315 transitions. [2018-10-25 00:08:35,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-25 00:08:35,536 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:08:35,536 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2018-10-25 00:08:35,537 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:08:35,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:35,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1467738938, now seen corresponding path program 1 times [2018-10-25 00:08:35,537 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:08:35,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:35,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:35,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:35,539 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:08:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:35,824 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 00:08:35,972 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 78 proven. 29 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-25 00:08:35,972 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:35,973 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:08:35,973 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 172 with the following transitions: [2018-10-25 00:08:35,973 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [99], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:08:35,976 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:08:35,977 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:08:36,672 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:08:36,672 INFO L272 AbstractInterpreter]: Visited 106 different actions 428 times. Merged at 9 different actions 46 times. Widened at 1 different actions 4 times. Found 9 fixpoints after 4 different actions. Largest state had 38 variables. [2018-10-25 00:08:36,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:36,718 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:08:36,718 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:36,718 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:08:36,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:36,732 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:08:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:36,835 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:08:37,237 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 92 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-10-25 00:08:37,238 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:08:38,117 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 78 proven. 29 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-25 00:08:38,137 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:08:38,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-10-25 00:08:38,138 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:08:38,138 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-25 00:08:38,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-25 00:08:38,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-10-25 00:08:38,139 INFO L87 Difference]: Start difference. First operand 2617 states and 3315 transitions. Second operand 9 states. [2018-10-25 00:08:39,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:08:39,741 INFO L93 Difference]: Finished difference Result 5664 states and 7389 transitions. [2018-10-25 00:08:39,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-25 00:08:39,743 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 171 [2018-10-25 00:08:39,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:08:39,760 INFO L225 Difference]: With dead ends: 5664 [2018-10-25 00:08:39,760 INFO L226 Difference]: Without dead ends: 3198 [2018-10-25 00:08:39,768 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 341 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-10-25 00:08:39,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3198 states. [2018-10-25 00:08:39,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3198 to 3175. [2018-10-25 00:08:39,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3175 states. [2018-10-25 00:08:39,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3175 states to 3175 states and 4040 transitions. [2018-10-25 00:08:39,855 INFO L78 Accepts]: Start accepts. Automaton has 3175 states and 4040 transitions. Word has length 171 [2018-10-25 00:08:39,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:08:39,856 INFO L481 AbstractCegarLoop]: Abstraction has 3175 states and 4040 transitions. [2018-10-25 00:08:39,856 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-25 00:08:39,856 INFO L276 IsEmpty]: Start isEmpty. Operand 3175 states and 4040 transitions. [2018-10-25 00:08:39,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-25 00:08:39,865 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:08:39,865 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-10-25 00:08:39,866 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:08:39,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:39,866 INFO L82 PathProgramCache]: Analyzing trace with hash -52475932, now seen corresponding path program 1 times [2018-10-25 00:08:39,866 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:08:39,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:39,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:39,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:39,867 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:08:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:40,288 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 99 proven. 13 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-25 00:08:40,288 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:40,288 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:08:40,289 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 177 with the following transitions: [2018-10-25 00:08:40,289 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:08:40,292 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:08:40,292 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:08:40,841 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:08:40,842 INFO L272 AbstractInterpreter]: Visited 104 different actions 318 times. Merged at 8 different actions 30 times. Never widened. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-25 00:08:40,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:40,848 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:08:40,848 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:40,848 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 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 [2018-10-25 00:08:40,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:40,856 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:08:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:40,937 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:08:41,015 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 114 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-25 00:08:41,015 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:08:41,093 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 99 proven. 13 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-25 00:08:41,114 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:08:41,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-10-25 00:08:41,114 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:08:41,115 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-25 00:08:41,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-25 00:08:41,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-10-25 00:08:41,115 INFO L87 Difference]: Start difference. First operand 3175 states and 4040 transitions. Second operand 9 states. [2018-10-25 00:08:45,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:08:45,275 INFO L93 Difference]: Finished difference Result 8065 states and 10521 transitions. [2018-10-25 00:08:45,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-10-25 00:08:45,276 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2018-10-25 00:08:45,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:08:45,276 INFO L225 Difference]: With dead ends: 8065 [2018-10-25 00:08:45,276 INFO L226 Difference]: Without dead ends: 0 [2018-10-25 00:08:45,297 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 361 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2018-10-25 00:08:45,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-25 00:08:45,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-25 00:08:45,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-25 00:08:45,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-25 00:08:45,298 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2018-10-25 00:08:45,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:08:45,298 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-25 00:08:45,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-25 00:08:45,299 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-25 00:08:45,299 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-25 00:08:45,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-25 00:08:45,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:45,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:45,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:45,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:45,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:45,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:45,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:45,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:45,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:45,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:45,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:45,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:45,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:45,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:45,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:45,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:45,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:45,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:45,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:45,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:45,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:45,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:45,999 WARN L179 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 17 [2018-10-25 00:08:46,580 WARN L179 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 34 [2018-10-25 00:08:47,288 WARN L179 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 66 [2018-10-25 00:08:47,468 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 39 [2018-10-25 00:08:47,625 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 39 [2018-10-25 00:08:47,629 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:08:47,629 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= |old(~a25~0)| ~a25~0) (= ~a28~0 |old(~a28~0)|)) [2018-10-25 00:08:47,629 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:08:47,630 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,630 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,630 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,630 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,630 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,630 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-10-25 00:08:47,631 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-10-25 00:08:47,631 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-10-25 00:08:47,631 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-10-25 00:08:47,631 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-10-25 00:08:47,631 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-10-25 00:08:47,631 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-10-25 00:08:47,632 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 442) no Hoare annotation was computed. [2018-10-25 00:08:47,632 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-10-25 00:08:47,632 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-10-25 00:08:47,632 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-10-25 00:08:47,632 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-10-25 00:08:47,632 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-10-25 00:08:47,632 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-10-25 00:08:47,632 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,632 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,632 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,632 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,632 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-10-25 00:08:47,633 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,633 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-10-25 00:08:47,633 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-10-25 00:08:47,633 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-10-25 00:08:47,633 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-10-25 00:08:47,633 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-10-25 00:08:47,633 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-10-25 00:08:47,633 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-10-25 00:08:47,633 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-10-25 00:08:47,633 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-10-25 00:08:47,633 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-10-25 00:08:47,633 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-10-25 00:08:47,634 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-10-25 00:08:47,634 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-10-25 00:08:47,634 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-10-25 00:08:47,634 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-10-25 00:08:47,634 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,634 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,634 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,634 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,635 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,635 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-10-25 00:08:47,635 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-10-25 00:08:47,635 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-10-25 00:08:47,635 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-10-25 00:08:47,635 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-10-25 00:08:47,635 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-10-25 00:08:47,635 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-10-25 00:08:47,635 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-10-25 00:08:47,636 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-10-25 00:08:47,636 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-10-25 00:08:47,636 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-10-25 00:08:47,636 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,636 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,636 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,636 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,636 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,636 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-10-25 00:08:47,637 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-10-25 00:08:47,637 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-10-25 00:08:47,637 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-10-25 00:08:47,637 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-10-25 00:08:47,637 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-10-25 00:08:47,637 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-10-25 00:08:47,637 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-10-25 00:08:47,637 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-10-25 00:08:47,637 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-10-25 00:08:47,637 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-10-25 00:08:47,638 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-10-25 00:08:47,638 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-10-25 00:08:47,638 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,638 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,638 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,638 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,638 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,638 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-10-25 00:08:47,638 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-10-25 00:08:47,638 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-10-25 00:08:47,639 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-10-25 00:08:47,639 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-10-25 00:08:47,639 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-10-25 00:08:47,639 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-10-25 00:08:47,639 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-10-25 00:08:47,639 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-10-25 00:08:47,639 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-10-25 00:08:47,639 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-10-25 00:08:47,639 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-10-25 00:08:47,639 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-10-25 00:08:47,639 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-10-25 00:08:47,639 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-10-25 00:08:47,639 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-10-25 00:08:47,640 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,640 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,640 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,640 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,640 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-10-25 00:08:47,640 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,640 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-10-25 00:08:47,640 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,640 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-10-25 00:08:47,640 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-10-25 00:08:47,640 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-10-25 00:08:47,640 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,640 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,641 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-10-25 00:08:47,641 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-10-25 00:08:47,641 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-10-25 00:08:47,641 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-10-25 00:08:47,641 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-10-25 00:08:47,641 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-10-25 00:08:47,641 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-10-25 00:08:47,641 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-10-25 00:08:47,642 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-10-25 00:08:47,642 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-10-25 00:08:47,642 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-10-25 00:08:47,642 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,642 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,642 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,642 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,642 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,643 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,643 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-10-25 00:08:47,643 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-10-25 00:08:47,643 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-10-25 00:08:47,643 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-10-25 00:08:47,643 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-10-25 00:08:47,643 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-10-25 00:08:47,643 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-10-25 00:08:47,643 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-10-25 00:08:47,643 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-10-25 00:08:47,643 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-10-25 00:08:47,643 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-10-25 00:08:47,644 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,644 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,644 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,644 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,644 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,644 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,644 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-10-25 00:08:47,644 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-10-25 00:08:47,644 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-10-25 00:08:47,644 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-10-25 00:08:47,644 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-10-25 00:08:47,644 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-10-25 00:08:47,644 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-10-25 00:08:47,644 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-10-25 00:08:47,645 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-10-25 00:08:47,645 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-10-25 00:08:47,645 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-10-25 00:08:47,645 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-10-25 00:08:47,645 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-10-25 00:08:47,645 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-10-25 00:08:47,645 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,645 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,645 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,645 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse4 (= |old(~a17~0)| ~a17~0)) (.cse5 (= |old(~a25~0)| ~a25~0)) (.cse6 (= ~a28~0 |old(~a28~0)|)) (.cse3 (= 1 |old(~a11~0)|)) (.cse10 (= |calculate_output_#in~input| 0))) (let ((.cse9 (and (= ~a11~0 0) (not (= ~a28~0 0)) (= ~a17~0 8) (= ~a19~0 1) (= ~a21~0 1) (not .cse10))) (.cse8 (or (not (= 1 ~a21~0)) (not (= 1 |old(~a19~0)|)) (= 0 |old(~a28~0)|) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) .cse10)) (.cse7 (< 10 |old(~a28~0)|)) (.cse1 (< 8 |old(~a17~0)|)) (.cse2 (not .cse3)) (.cse0 (and (= 1 ~a11~0) .cse4 .cse5 .cse6))) (and (or (< 9 |old(~a28~0)|) .cse0 (= 8 |old(~a28~0)|) .cse1 .cse2) (or .cse3 (and (= ~a11~0 |old(~a11~0)|) .cse4 .cse5 .cse6) .cse1) (or .cse7 .cse8 .cse9) (or (or (not (= 11 |old(~a28~0)|)) (not (= 1 |old(~a25~0)|))) .cse9 .cse8) (or .cse7 (< |old(~a28~0)| 9) .cse1 .cse2 .cse0)))) [2018-10-25 00:08:47,646 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,646 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,646 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,646 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-10-25 00:08:47,646 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-10-25 00:08:47,646 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-10-25 00:08:47,646 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-10-25 00:08:47,646 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-10-25 00:08:47,646 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-10-25 00:08:47,646 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-10-25 00:08:47,646 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-10-25 00:08:47,646 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-10-25 00:08:47,646 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-10-25 00:08:47,647 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-10-25 00:08:47,647 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-10-25 00:08:47,647 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-10-25 00:08:47,647 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,647 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,647 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,647 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,647 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,647 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,647 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-10-25 00:08:47,647 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-10-25 00:08:47,647 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-10-25 00:08:47,647 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-10-25 00:08:47,647 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-10-25 00:08:47,647 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-10-25 00:08:47,648 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-10-25 00:08:47,648 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-10-25 00:08:47,648 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-10-25 00:08:47,648 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-10-25 00:08:47,648 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-10-25 00:08:47,648 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-10-25 00:08:47,648 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-10-25 00:08:47,648 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-10-25 00:08:47,648 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-10-25 00:08:47,648 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-10-25 00:08:47,648 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,649 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,649 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,649 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,649 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:47,649 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-10-25 00:08:47,649 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-10-25 00:08:47,649 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-10-25 00:08:47,649 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-10-25 00:08:47,649 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-10-25 00:08:47,649 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-10-25 00:08:47,650 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-10-25 00:08:47,650 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-10-25 00:08:47,650 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-10-25 00:08:47,650 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-10-25 00:08:47,650 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-10-25 00:08:47,650 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-10-25 00:08:47,650 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-10-25 00:08:47,650 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-10-25 00:08:47,650 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-10-25 00:08:47,650 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-10-25 00:08:47,651 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-10-25 00:08:47,651 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-10-25 00:08:47,651 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-10-25 00:08:47,651 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:08:47,651 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-10-25 00:08:47,651 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-25 00:08:47,651 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:08:47,651 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-10-25 00:08:47,652 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-10-25 00:08:47,652 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse0 (= 1 ~a11~0)) (.cse1 (<= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (<= ~a28~0 10) (<= 9 ~a28~0) .cse1) (and (= ~a11~0 |old(~a11~0)|) .cse1) (not (= 0 |old(~a11~0)|)) (and .cse0 (not (= ~a28~0 8)) (<= ~a28~0 9) .cse1) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-10-25 00:08:47,652 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-10-25 00:08:47,652 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-10-25 00:08:47,652 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= 1 ~a11~0)) (.cse1 (<= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (<= ~a28~0 10) (<= 9 ~a28~0) .cse1) (and (= ~a11~0 |old(~a11~0)|) .cse1) (not (= 0 |old(~a11~0)|)) (and .cse0 (not (= ~a28~0 8)) (<= ~a28~0 9) .cse1) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-10-25 00:08:47,652 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-10-25 00:08:47,652 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-10-25 00:08:47,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 12:08:47 BoogieIcfgContainer [2018-10-25 00:08:47,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-25 00:08:47,674 INFO L168 Benchmark]: Toolchain (without parser) took 53471.50 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.6 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -578.1 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-10-25 00:08:47,679 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-25 00:08:47,679 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.57 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-25 00:08:47,680 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.09 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-25 00:08:47,682 INFO L168 Benchmark]: Boogie Preprocessor took 245.43 ms. Allocated memory was 1.5 GB in the beginning and 2.2 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: -807.8 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2018-10-25 00:08:47,683 INFO L168 Benchmark]: RCFGBuilder took 3143.58 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 124.4 MB). Peak memory consumption was 124.4 MB. Max. memory is 7.1 GB. [2018-10-25 00:08:47,684 INFO L168 Benchmark]: TraceAbstraction took 49246.76 ms. Allocated memory was 2.2 GB in the beginning and 3.1 GB in the end (delta: 847.2 MB). Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 73.6 MB). Peak memory consumption was 920.9 MB. Max. memory is 7.1 GB. [2018-10-25 00:08:47,688 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 697.57 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 127.09 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 245.43 ms. Allocated memory was 1.5 GB in the beginning and 2.2 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: -807.8 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3143.58 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 124.4 MB). Peak memory consumption was 124.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 49246.76 ms. Allocated memory was 2.2 GB in the beginning and 3.1 GB in the end (delta: 847.2 MB). Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 73.6 MB). Peak memory consumption was 920.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 442]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((!(1 == a21) || !(7 == \old(a28))) || (((1 == a11 && a28 <= 10) && 9 <= a28) && a17 <= 8)) || (a11 == \old(a11) && a17 <= 8)) || !(0 == \old(a11))) || (((1 == a11 && !(a28 == 8)) && a28 <= 9) && a17 <= 8)) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 49.1s OverallTime, 7 OverallIterations, 5 TraceHistogramMax, 34.8s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1054 SDtfs, 8712 SDslu, 1830 SDs, 0 SdLazy, 11475 SolverSat, 2411 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.4s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1392 GetRequests, 1170 SyntacticMatches, 96 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1541 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3175occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.8s AbstIntTime, 5 AbstIntIterations, 2 AbstIntStrong, 0.9971609725672441 AbsIntWeakeningRatio, 0.26459143968871596 AbsIntAvgWeakeningVarsNumRemoved, 13.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 125 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 86 PreInvPairs, 142 NumberOfFragments, 376 HoareAnnotationTreeSize, 86 FomulaSimplifications, 3572 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3257 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 1442 NumberOfCodeBlocks, 1442 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1913 ConstructedInterpolants, 0 QuantifiedInterpolants, 465948 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1465 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 13 InterpolantComputations, 2 PerfectInterpolantSequences, 974/1087 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...