java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label20_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 07:07:53,336 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 07:07:53,338 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 07:07:53,353 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 07:07:53,353 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 07:07:53,356 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 07:07:53,357 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 07:07:53,360 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 07:07:53,363 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 07:07:53,364 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 07:07:53,372 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 07:07:53,372 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 07:07:53,373 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 07:07:53,374 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 07:07:53,375 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 07:07:53,376 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 07:07:53,377 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 07:07:53,378 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 07:07:53,380 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 07:07:53,382 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 07:07:53,383 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 07:07:53,384 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 07:07:53,386 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 07:07:53,386 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 07:07:53,386 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 07:07:53,387 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 07:07:53,388 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 07:07:53,389 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 07:07:53,389 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 07:07:53,390 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 07:07:53,391 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 07:07:53,391 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-11-07 07:07:53,394 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-11-07 07:07:53,419 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 07:07:53,419 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 07:07:53,420 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 07:07:53,420 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 07:07:53,420 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 07:07:53,420 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 07:07:53,421 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 07:07:53,421 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 07:07:53,421 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 07:07:53,422 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 07:07:53,422 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 07:07:53,422 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 07:07:53,422 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 07:07:53,422 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 07:07:53,423 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 07:07:53,424 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 07:07:53,424 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 07:07:53,424 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 07:07:53,424 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 07:07:53,424 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 07:07:53,425 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 07:07:53,425 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 07:07:53,425 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 07:07:53,425 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 07:07:53,425 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 07:07:53,427 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 07:07:53,427 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 07:07:53,428 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 07:07:53,428 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 07:07:53,428 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 07:07:53,428 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 07:07:53,428 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 07:07:53,429 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 07:07:53,429 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 07:07:53,429 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 07:07:53,429 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 07:07:53,494 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 07:07:53,513 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 07:07:53,517 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 07:07:53,519 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 07:07:53,520 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 07:07:53,521 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label20_true-unreach-call_false-termination.c [2018-11-07 07:07:53,592 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75382c4ec/4cc34196c7ab4cccb3b6ca84169232f6/FLAGd2865d5aa [2018-11-07 07:07:54,214 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 07:07:54,215 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label20_true-unreach-call_false-termination.c [2018-11-07 07:07:54,229 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75382c4ec/4cc34196c7ab4cccb3b6ca84169232f6/FLAGd2865d5aa [2018-11-07 07:07:54,246 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75382c4ec/4cc34196c7ab4cccb3b6ca84169232f6 [2018-11-07 07:07:54,258 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 07:07:54,260 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 07:07:54,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 07:07:54,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 07:07:54,265 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 07:07:54,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:07:54" (1/1) ... [2018-11-07 07:07:54,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44c028a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:54, skipping insertion in model container [2018-11-07 07:07:54,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:07:54" (1/1) ... [2018-11-07 07:07:54,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 07:07:54,355 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 07:07:54,772 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:07:54,778 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 07:07:54,927 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:07:54,945 INFO L193 MainTranslator]: Completed translation [2018-11-07 07:07:54,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:54 WrapperNode [2018-11-07 07:07:54,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 07:07:54,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 07:07:54,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 07:07:54,947 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 07:07:54,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:54" (1/1) ... [2018-11-07 07:07:54,978 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:54" (1/1) ... [2018-11-07 07:07:55,074 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 07:07:55,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 07:07:55,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 07:07:55,075 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 07:07:55,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:54" (1/1) ... [2018-11-07 07:07:55,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:54" (1/1) ... [2018-11-07 07:07:55,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:54" (1/1) ... [2018-11-07 07:07:55,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:54" (1/1) ... [2018-11-07 07:07:55,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:54" (1/1) ... [2018-11-07 07:07:55,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:54" (1/1) ... [2018-11-07 07:07:55,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:54" (1/1) ... [2018-11-07 07:07:55,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 07:07:55,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 07:07:55,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 07:07:55,192 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 07:07:55,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 07:07:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 07:07:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 07:07:55,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 07:07:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 07:07:55,273 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 07:07:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 07:07:55,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 07:07:55,274 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 07:07:55,274 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 07:07:58,358 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 07:07:58,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:07:58 BoogieIcfgContainer [2018-11-07 07:07:58,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 07:07:58,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 07:07:58,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 07:07:58,367 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 07:07:58,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:07:54" (1/3) ... [2018-11-07 07:07:58,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab8224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:07:58, skipping insertion in model container [2018-11-07 07:07:58,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:54" (2/3) ... [2018-11-07 07:07:58,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab8224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:07:58, skipping insertion in model container [2018-11-07 07:07:58,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:07:58" (3/3) ... [2018-11-07 07:07:58,373 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label20_true-unreach-call_false-termination.c [2018-11-07 07:07:58,385 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 07:07:58,397 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 07:07:58,417 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 07:07:58,478 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 07:07:58,478 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 07:07:58,478 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 07:07:58,478 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 07:07:58,479 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 07:07:58,479 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 07:07:58,479 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 07:07:58,480 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 07:07:58,521 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-07 07:07:58,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-07 07:07:58,541 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:07:58,542 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:07:58,547 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:07:58,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:07:58,553 INFO L82 PathProgramCache]: Analyzing trace with hash 915772480, now seen corresponding path program 1 times [2018-11-07 07:07:58,556 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:07:58,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:58,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:07:58,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:07:58,619 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:07:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:07:59,255 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 07:07:59,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:07:59,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:07:59,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 07:07:59,331 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:07:59,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:07:59,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:07:59,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:07:59,359 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-07 07:08:00,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:08:00,935 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-11-07 07:08:00,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:08:00,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2018-11-07 07:08:00,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:08:00,958 INFO L225 Difference]: With dead ends: 618 [2018-11-07 07:08:00,959 INFO L226 Difference]: Without dead ends: 379 [2018-11-07 07:08:00,966 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:08:00,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-11-07 07:08:01,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-11-07 07:08:01,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-11-07 07:08:01,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 621 transitions. [2018-11-07 07:08:01,048 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 621 transitions. Word has length 106 [2018-11-07 07:08:01,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:08:01,049 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 621 transitions. [2018-11-07 07:08:01,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:08:01,050 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 621 transitions. [2018-11-07 07:08:01,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-07 07:08:01,057 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:08:01,058 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:08:01,058 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:08:01,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:01,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1354213973, now seen corresponding path program 1 times [2018-11-07 07:08:01,059 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:08:01,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:01,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:08:01,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:01,061 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:08:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:08:01,274 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:08:01,274 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:08:01,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 07:08:01,275 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:08:01,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 07:08:01,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 07:08:01,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 07:08:01,278 INFO L87 Difference]: Start difference. First operand 379 states and 621 transitions. Second operand 6 states. [2018-11-07 07:08:03,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:08:03,156 INFO L93 Difference]: Finished difference Result 1229 states and 2094 transitions. [2018-11-07 07:08:03,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-07 07:08:03,165 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 122 [2018-11-07 07:08:03,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:08:03,180 INFO L225 Difference]: With dead ends: 1229 [2018-11-07 07:08:03,180 INFO L226 Difference]: Without dead ends: 856 [2018-11-07 07:08:03,187 INFO L604 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 [2018-11-07 07:08:03,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2018-11-07 07:08:03,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 823. [2018-11-07 07:08:03,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2018-11-07 07:08:03,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1292 transitions. [2018-11-07 07:08:03,253 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1292 transitions. Word has length 122 [2018-11-07 07:08:03,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:08:03,254 INFO L480 AbstractCegarLoop]: Abstraction has 823 states and 1292 transitions. [2018-11-07 07:08:03,254 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 07:08:03,254 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1292 transitions. [2018-11-07 07:08:03,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-07 07:08:03,260 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:08:03,260 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:08:03,260 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:08:03,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:03,261 INFO L82 PathProgramCache]: Analyzing trace with hash -796384502, now seen corresponding path program 1 times [2018-11-07 07:08:03,261 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:08:03,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:03,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:08:03,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:03,263 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:08:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:08:03,482 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:08:03,482 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:08:03,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 07:08:03,483 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:08:03,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 07:08:03,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 07:08:03,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 07:08:03,489 INFO L87 Difference]: Start difference. First operand 823 states and 1292 transitions. Second operand 6 states. [2018-11-07 07:08:10,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:08:10,135 INFO L93 Difference]: Finished difference Result 2557 states and 4222 transitions. [2018-11-07 07:08:10,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 07:08:10,136 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-11-07 07:08:10,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:08:10,149 INFO L225 Difference]: With dead ends: 2557 [2018-11-07 07:08:10,149 INFO L226 Difference]: Without dead ends: 1740 [2018-11-07 07:08:10,156 INFO L604 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 [2018-11-07 07:08:10,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2018-11-07 07:08:10,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1682. [2018-11-07 07:08:10,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2018-11-07 07:08:10,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2540 transitions. [2018-11-07 07:08:10,240 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2540 transitions. Word has length 129 [2018-11-07 07:08:10,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:08:10,241 INFO L480 AbstractCegarLoop]: Abstraction has 1682 states and 2540 transitions. [2018-11-07 07:08:10,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 07:08:10,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2540 transitions. [2018-11-07 07:08:10,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-07 07:08:10,249 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:08:10,249 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:08:10,249 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:08:10,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:10,250 INFO L82 PathProgramCache]: Analyzing trace with hash 80807714, now seen corresponding path program 1 times [2018-11-07 07:08:10,250 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:08:10,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:10,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:08:10,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:10,251 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:08:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:08:10,533 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 07:08:10,787 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-07 07:08:10,787 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:08:10,788 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:08:10,789 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 132 with the following transitions: [2018-11-07 07:08:10,791 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:08:10,843 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:08:10,843 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:08:11,492 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:08:11,495 INFO L272 AbstractInterpreter]: Visited 107 different actions 107 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-11-07 07:08:11,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:11,512 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:08:11,848 INFO L227 lantSequenceWeakener]: Weakened 122 states. On average, predicates are now at 80.77% of their original sizes. [2018-11-07 07:08:11,848 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:08:12,074 INFO L415 sIntCurrentIteration]: We unified 130 AI predicates to 130 [2018-11-07 07:08:12,074 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:08:12,075 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:08:12,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-07 07:08:12,076 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:08:12,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 07:08:12,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 07:08:12,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 07:08:12,078 INFO L87 Difference]: Start difference. First operand 1682 states and 2540 transitions. Second operand 6 states. [2018-11-07 07:08:20,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:08:20,755 INFO L93 Difference]: Finished difference Result 3506 states and 5281 transitions. [2018-11-07 07:08:20,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 07:08:20,755 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2018-11-07 07:08:20,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:08:20,765 INFO L225 Difference]: With dead ends: 3506 [2018-11-07 07:08:20,765 INFO L226 Difference]: Without dead ends: 1830 [2018-11-07 07:08:20,771 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 131 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-07 07:08:20,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1830 states. [2018-11-07 07:08:20,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1830 to 1827. [2018-11-07 07:08:20,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2018-11-07 07:08:20,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2692 transitions. [2018-11-07 07:08:20,822 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2692 transitions. Word has length 131 [2018-11-07 07:08:20,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:08:20,822 INFO L480 AbstractCegarLoop]: Abstraction has 1827 states and 2692 transitions. [2018-11-07 07:08:20,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 07:08:20,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2692 transitions. [2018-11-07 07:08:20,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-07 07:08:20,828 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:08:20,828 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:08:20,829 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:08:20,829 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:20,829 INFO L82 PathProgramCache]: Analyzing trace with hash -2031058527, now seen corresponding path program 1 times [2018-11-07 07:08:20,829 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:08:20,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:20,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:08:20,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:20,831 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:08:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:08:21,111 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 07:08:21,112 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:08:21,112 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:08:21,112 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 142 with the following transitions: [2018-11-07 07:08:21,113 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:08:21,118 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:08:21,118 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:08:21,413 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:08:21,413 INFO L272 AbstractInterpreter]: Visited 111 different actions 332 times. Merged at 7 different actions 21 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-07 07:08:21,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:21,452 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:08:21,685 INFO L227 lantSequenceWeakener]: Weakened 138 states. On average, predicates are now at 84.42% of their original sizes. [2018-11-07 07:08:21,686 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:08:21,885 INFO L415 sIntCurrentIteration]: We unified 140 AI predicates to 140 [2018-11-07 07:08:21,885 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:08:21,886 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:08:21,886 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-07 07:08:21,886 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:08:21,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 07:08:21,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 07:08:21,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-07 07:08:21,887 INFO L87 Difference]: Start difference. First operand 1827 states and 2692 transitions. Second operand 9 states. [2018-11-07 07:08:28,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:08:28,073 INFO L93 Difference]: Finished difference Result 4531 states and 6711 transitions. [2018-11-07 07:08:28,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-07 07:08:28,073 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 141 [2018-11-07 07:08:28,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:08:28,088 INFO L225 Difference]: With dead ends: 4531 [2018-11-07 07:08:28,088 INFO L226 Difference]: Without dead ends: 2710 [2018-11-07 07:08:28,096 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 148 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-07 07:08:28,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2710 states. [2018-11-07 07:08:28,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2710 to 2633. [2018-11-07 07:08:28,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2633 states. [2018-11-07 07:08:28,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2633 states and 3700 transitions. [2018-11-07 07:08:28,169 INFO L78 Accepts]: Start accepts. Automaton has 2633 states and 3700 transitions. Word has length 141 [2018-11-07 07:08:28,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:08:28,170 INFO L480 AbstractCegarLoop]: Abstraction has 2633 states and 3700 transitions. [2018-11-07 07:08:28,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 07:08:28,170 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 3700 transitions. [2018-11-07 07:08:28,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-07 07:08:28,176 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:08:28,177 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:08:28,177 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:08:28,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:28,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1483859631, now seen corresponding path program 1 times [2018-11-07 07:08:28,178 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:08:28,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:28,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:08:28,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:28,179 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:08:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:08:28,635 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-07 07:08:28,636 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:08:28,636 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:08:28,636 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 144 with the following transitions: [2018-11-07 07:08:28,637 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:08:28,648 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:08:28,648 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:08:28,881 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:08:28,881 INFO L272 AbstractInterpreter]: Visited 111 different actions 327 times. Merged at 7 different actions 18 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 07:08:28,889 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:28,890 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:08:28,890 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:08:28,890 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 07:08:28,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:08:28,902 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:08:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:08:28,993 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:08:29,186 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 07:08:29,187 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:08:29,342 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-07 07:08:29,364 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:08:29,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-11-07 07:08:29,364 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:08:29,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:08:29,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:08:29,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-07 07:08:29,365 INFO L87 Difference]: Start difference. First operand 2633 states and 3700 transitions. Second operand 3 states. [2018-11-07 07:08:30,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:08:30,801 INFO L93 Difference]: Finished difference Result 7347 states and 10767 transitions. [2018-11-07 07:08:30,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:08:30,807 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2018-11-07 07:08:30,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:08:30,831 INFO L225 Difference]: With dead ends: 7347 [2018-11-07 07:08:30,831 INFO L226 Difference]: Without dead ends: 4720 [2018-11-07 07:08:30,847 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 288 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-07 07:08:30,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4720 states. [2018-11-07 07:08:30,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4720 to 4716. [2018-11-07 07:08:30,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4716 states. [2018-11-07 07:08:30,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4716 states to 4716 states and 6324 transitions. [2018-11-07 07:08:30,967 INFO L78 Accepts]: Start accepts. Automaton has 4716 states and 6324 transitions. Word has length 143 [2018-11-07 07:08:30,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:08:30,968 INFO L480 AbstractCegarLoop]: Abstraction has 4716 states and 6324 transitions. [2018-11-07 07:08:30,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:08:30,968 INFO L276 IsEmpty]: Start isEmpty. Operand 4716 states and 6324 transitions. [2018-11-07 07:08:30,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-07 07:08:30,978 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:08:30,978 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:08:30,978 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:08:30,978 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:30,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1372098695, now seen corresponding path program 1 times [2018-11-07 07:08:30,979 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:08:30,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:30,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:08:30,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:30,980 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:08:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:08:31,205 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 07:08:31,536 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:08:31,537 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:08:31,537 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:08:31,537 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-11-07 07:08:31,538 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:08:31,552 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:08:31,552 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:08:31,955 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:08:31,955 INFO L272 AbstractInterpreter]: Visited 111 different actions 327 times. Merged at 7 different actions 18 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 07:08:31,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:31,991 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:08:31,991 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:08:31,991 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 07:08:32,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:08:32,007 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:08:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:08:32,091 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:08:32,487 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:08:32,487 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:08:32,714 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:08:32,735 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:08:32,736 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-07 07:08:32,736 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:08:32,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 07:08:32,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 07:08:32,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:08:32,737 INFO L87 Difference]: Start difference. First operand 4716 states and 6324 transitions. Second operand 9 states. [2018-11-07 07:08:34,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:08:34,905 INFO L93 Difference]: Finished difference Result 10847 states and 14645 transitions. [2018-11-07 07:08:34,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 07:08:34,905 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 152 [2018-11-07 07:08:34,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:08:34,932 INFO L225 Difference]: With dead ends: 10847 [2018-11-07 07:08:34,932 INFO L226 Difference]: Without dead ends: 5372 [2018-11-07 07:08:34,953 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 300 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-11-07 07:08:34,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5372 states. [2018-11-07 07:08:35,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5372 to 5268. [2018-11-07 07:08:35,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5268 states. [2018-11-07 07:08:35,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5268 states to 5268 states and 6459 transitions. [2018-11-07 07:08:35,089 INFO L78 Accepts]: Start accepts. Automaton has 5268 states and 6459 transitions. Word has length 152 [2018-11-07 07:08:35,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:08:35,089 INFO L480 AbstractCegarLoop]: Abstraction has 5268 states and 6459 transitions. [2018-11-07 07:08:35,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 07:08:35,089 INFO L276 IsEmpty]: Start isEmpty. Operand 5268 states and 6459 transitions. [2018-11-07 07:08:35,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-07 07:08:35,097 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:08:35,098 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:08:35,098 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:08:35,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:35,099 INFO L82 PathProgramCache]: Analyzing trace with hash -793512577, now seen corresponding path program 1 times [2018-11-07 07:08:35,099 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:08:35,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:35,100 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:08:35,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:35,100 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:08:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:08:35,540 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:08:35,540 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:08:35,541 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:08:35,541 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 157 with the following transitions: [2018-11-07 07:08:35,541 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:08:35,548 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:08:35,548 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:08:35,848 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:08:35,849 INFO L272 AbstractInterpreter]: Visited 111 different actions 327 times. Merged at 7 different actions 18 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 07:08:35,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:35,886 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:08:35,886 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:08:35,887 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 07:08:35,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:08:35,905 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:08:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:08:35,982 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:08:36,049 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:08:36,050 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:08:36,282 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:08:36,303 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:08:36,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7 [2018-11-07 07:08:36,303 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:08:36,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 07:08:36,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 07:08:36,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-07 07:08:36,304 INFO L87 Difference]: Start difference. First operand 5268 states and 6459 transitions. Second operand 6 states. [2018-11-07 07:08:38,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:08:38,040 INFO L93 Difference]: Finished difference Result 12676 states and 15575 transitions. [2018-11-07 07:08:38,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 07:08:38,045 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2018-11-07 07:08:38,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:08:38,074 INFO L225 Difference]: With dead ends: 12676 [2018-11-07 07:08:38,075 INFO L226 Difference]: Without dead ends: 7414 [2018-11-07 07:08:38,092 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 313 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:08:38,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7414 states. [2018-11-07 07:08:38,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7414 to 7299. [2018-11-07 07:08:38,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7299 states. [2018-11-07 07:08:38,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7299 states to 7299 states and 8710 transitions. [2018-11-07 07:08:38,279 INFO L78 Accepts]: Start accepts. Automaton has 7299 states and 8710 transitions. Word has length 156 [2018-11-07 07:08:38,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:08:38,280 INFO L480 AbstractCegarLoop]: Abstraction has 7299 states and 8710 transitions. [2018-11-07 07:08:38,280 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 07:08:38,280 INFO L276 IsEmpty]: Start isEmpty. Operand 7299 states and 8710 transitions. [2018-11-07 07:08:38,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-07 07:08:38,300 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:08:38,301 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-07 07:08:38,301 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:08:38,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:38,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1488399591, now seen corresponding path program 1 times [2018-11-07 07:08:38,302 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:08:38,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:38,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:08:38,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:08:38,304 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:08:38,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:08:38,602 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-11-07 07:08:38,970 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-07 07:08:39,217 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-11-07 07:08:39,722 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 165 proven. 84 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-07 07:08:39,723 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:08:39,723 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:08:39,723 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 253 with the following transitions: [2018-11-07 07:08:39,723 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [190], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [519], [521], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-07 07:08:39,727 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:08:39,727 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:08:40,053 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:08:40,053 INFO L272 AbstractInterpreter]: Visited 115 different actions 339 times. Merged at 9 different actions 22 times. Never widened. Found 5 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-07 07:08:40,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:08:40,059 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:08:40,059 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:08:40,059 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 07:08:40,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:08:40,068 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:08:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:08:40,160 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:08:40,351 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 202 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-07 07:08:40,351 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:08:40,630 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-07 07:08:40,901 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 180 proven. 49 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-07 07:08:40,921 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:08:40,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 16 [2018-11-07 07:08:40,921 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:08:40,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-07 07:08:40,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-07 07:08:40,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-11-07 07:08:40,923 INFO L87 Difference]: Start difference. First operand 7299 states and 8710 transitions. Second operand 15 states. [2018-11-07 07:08:44,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:08:44,138 INFO L93 Difference]: Finished difference Result 14306 states and 17335 transitions. [2018-11-07 07:08:44,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-07 07:08:44,142 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 252 [2018-11-07 07:08:44,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:08:44,143 INFO L225 Difference]: With dead ends: 14306 [2018-11-07 07:08:44,143 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 07:08:44,178 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 546 GetRequests, 514 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=264, Invalid=666, Unknown=0, NotChecked=0, Total=930 [2018-11-07 07:08:44,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 07:08:44,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 07:08:44,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 07:08:44,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 07:08:44,179 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 252 [2018-11-07 07:08:44,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:08:44,179 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 07:08:44,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-07 07:08:44,179 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 07:08:44,179 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 07:08:44,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 07:08:44,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:08:44,723 WARN L179 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 17 [2018-11-07 07:08:45,765 WARN L179 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 54 [2018-11-07 07:08:45,950 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 45 [2018-11-07 07:08:46,450 WARN L179 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 42 [2018-11-07 07:08:46,453 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 07:08:46,453 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-07 07:08:46,454 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 07:08:46,454 INFO L425 ceAbstractionStarter]: For program point L564(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,454 INFO L425 ceAbstractionStarter]: For program point L531(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,454 INFO L425 ceAbstractionStarter]: For program point L498(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,454 INFO L425 ceAbstractionStarter]: For program point L465(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,454 INFO L425 ceAbstractionStarter]: For program point L432(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,454 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-07 07:08:46,454 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-07 07:08:46,455 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-07 07:08:46,455 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-07 07:08:46,455 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-07 07:08:46,455 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-07 07:08:46,455 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-07 07:08:46,455 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-07 07:08:46,455 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-07 07:08:46,455 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-07 07:08:46,455 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-07 07:08:46,456 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-07 07:08:46,456 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-07 07:08:46,456 INFO L425 ceAbstractionStarter]: For program point L567(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,456 INFO L425 ceAbstractionStarter]: For program point L534(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,456 INFO L425 ceAbstractionStarter]: For program point L501(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,456 INFO L425 ceAbstractionStarter]: For program point L435(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,456 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,456 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-07 07:08:46,456 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-07 07:08:46,457 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-07 07:08:46,457 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-07 07:08:46,457 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-07 07:08:46,457 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-07 07:08:46,457 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-07 07:08:46,457 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-07 07:08:46,457 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-07 07:08:46,457 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-07 07:08:46,457 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-07 07:08:46,457 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-07 07:08:46,457 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-07 07:08:46,458 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-07 07:08:46,458 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-07 07:08:46,458 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-07 07:08:46,458 INFO L425 ceAbstractionStarter]: For program point L570(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,458 INFO L425 ceAbstractionStarter]: For program point L537(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,458 INFO L425 ceAbstractionStarter]: For program point L504(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,458 INFO L425 ceAbstractionStarter]: For program point L471(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,458 INFO L425 ceAbstractionStarter]: For program point L438(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,458 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-07 07:08:46,459 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-07 07:08:46,459 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-07 07:08:46,459 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-07 07:08:46,459 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-07 07:08:46,459 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-07 07:08:46,459 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-07 07:08:46,459 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-07 07:08:46,459 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-07 07:08:46,459 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-07 07:08:46,460 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-07 07:08:46,460 INFO L425 ceAbstractionStarter]: For program point L573(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,460 INFO L425 ceAbstractionStarter]: For program point L540(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,460 INFO L425 ceAbstractionStarter]: For program point L507(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,460 INFO L425 ceAbstractionStarter]: For program point L474(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,460 INFO L425 ceAbstractionStarter]: For program point L441(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,460 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-07 07:08:46,460 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-07 07:08:46,460 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-07 07:08:46,461 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-07 07:08:46,461 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-07 07:08:46,461 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-07 07:08:46,461 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-07 07:08:46,461 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-07 07:08:46,461 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-07 07:08:46,461 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-07 07:08:46,461 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-07 07:08:46,461 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-07 07:08:46,461 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-07 07:08:46,461 INFO L425 ceAbstractionStarter]: For program point L576(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,461 INFO L425 ceAbstractionStarter]: For program point L543(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,462 INFO L425 ceAbstractionStarter]: For program point L510(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,462 INFO L425 ceAbstractionStarter]: For program point L477(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,462 INFO L425 ceAbstractionStarter]: For program point L444(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,462 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-07 07:08:46,462 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-07 07:08:46,462 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-07 07:08:46,462 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-07 07:08:46,462 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-07 07:08:46,462 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-07 07:08:46,462 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-07 07:08:46,463 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-07 07:08:46,463 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-07 07:08:46,463 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-07 07:08:46,463 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-07 07:08:46,463 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-07 07:08:46,463 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-07 07:08:46,463 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-07 07:08:46,463 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-07 07:08:46,463 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-07 07:08:46,463 INFO L425 ceAbstractionStarter]: For program point L579(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,463 INFO L425 ceAbstractionStarter]: For program point L546(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,463 INFO L425 ceAbstractionStarter]: For program point L513(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,463 INFO L425 ceAbstractionStarter]: For program point L480(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,463 INFO L425 ceAbstractionStarter]: For program point L447(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,464 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-07 07:08:46,464 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-07 07:08:46,464 INFO L425 ceAbstractionStarter]: For program point L414-1(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,464 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-07 07:08:46,464 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-07 07:08:46,464 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-07 07:08:46,464 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,464 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 469) no Hoare annotation was computed. [2018-11-07 07:08:46,464 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,464 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-07 07:08:46,464 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-07 07:08:46,464 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-07 07:08:46,465 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-07 07:08:46,465 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-07 07:08:46,465 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-07 07:08:46,465 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-07 07:08:46,465 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-07 07:08:46,465 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-07 07:08:46,465 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-07 07:08:46,465 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-07 07:08:46,465 INFO L425 ceAbstractionStarter]: For program point L582(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,465 INFO L425 ceAbstractionStarter]: For program point L549(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,466 INFO L425 ceAbstractionStarter]: For program point L516(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,466 INFO L425 ceAbstractionStarter]: For program point L483(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,466 INFO L425 ceAbstractionStarter]: For program point L450(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,466 INFO L425 ceAbstractionStarter]: For program point L417(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,466 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-07 07:08:46,466 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-07 07:08:46,466 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-07 07:08:46,466 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-07 07:08:46,466 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-07 07:08:46,466 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-07 07:08:46,466 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-07 07:08:46,466 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-07 07:08:46,466 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-07 07:08:46,466 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-07 07:08:46,467 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-07 07:08:46,467 INFO L425 ceAbstractionStarter]: For program point L585(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,467 INFO L425 ceAbstractionStarter]: For program point L552(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,467 INFO L425 ceAbstractionStarter]: For program point L519(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,467 INFO L425 ceAbstractionStarter]: For program point L486(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,467 INFO L425 ceAbstractionStarter]: For program point L453(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,467 INFO L425 ceAbstractionStarter]: For program point L420(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,467 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-07 07:08:46,467 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-07 07:08:46,467 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-07 07:08:46,467 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-07 07:08:46,467 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-07 07:08:46,467 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-07 07:08:46,468 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-07 07:08:46,468 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-07 07:08:46,468 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-07 07:08:46,468 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-07 07:08:46,468 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-07 07:08:46,468 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-07 07:08:46,468 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-07 07:08:46,468 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-07 07:08:46,468 INFO L425 ceAbstractionStarter]: For program point L588(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,469 INFO L425 ceAbstractionStarter]: For program point L555(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,469 INFO L425 ceAbstractionStarter]: For program point L522(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,469 INFO L425 ceAbstractionStarter]: For program point L489(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,469 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (< 10 |old(~a28~0)|)) (.cse2 (= |old(~a19~0)| ~a19~0)) (.cse6 (= 7 ~a17~0)) (.cse7 (not (= 7 |old(~a17~0)|))) (.cse5 (not (= 1 |old(~a25~0)|))) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse1 (= |old(~a28~0)| ~a28~0)) (.cse4 (= ~a25~0 |old(~a25~0)|))) (and (or .cse0 (and .cse1 .cse2 .cse3 (= ~a17~0 |old(~a17~0)|) .cse4) (not (= |old(~a17~0)| 8))) (or .cse0 .cse5 (and .cse1 .cse2 .cse3 .cse6 .cse4) .cse7) (or .cse0 (and .cse2 .cse3 (<= 10 ~a28~0) .cse6 (<= ~a28~0 10) .cse4) (< |old(~a28~0)| 10) .cse7) (or (not (= 1 ~a21~0)) .cse5 (not (= 1 |old(~a19~0)|)) (and .cse3 .cse1 (= ~a17~0 8) (= ~a19~0 1) .cse4) (= |old(~a11~0)| |old(~a19~0)|) (not (= 8 |old(~a17~0)|)) (= |calculate_output_#in~input| 0)))) [2018-11-07 07:08:46,469 INFO L425 ceAbstractionStarter]: For program point L456(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,469 INFO L425 ceAbstractionStarter]: For program point L423(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,470 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-07 07:08:46,470 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-07 07:08:46,470 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-07 07:08:46,470 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-07 07:08:46,470 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-07 07:08:46,470 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-07 07:08:46,470 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-07 07:08:46,470 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-07 07:08:46,471 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-07 07:08:46,471 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-07 07:08:46,471 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-07 07:08:46,471 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-07 07:08:46,471 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-07 07:08:46,471 INFO L425 ceAbstractionStarter]: For program point L591(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,471 INFO L425 ceAbstractionStarter]: For program point L558(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,471 INFO L425 ceAbstractionStarter]: For program point L525(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,471 INFO L425 ceAbstractionStarter]: For program point L492(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,472 INFO L425 ceAbstractionStarter]: For program point L459(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,472 INFO L425 ceAbstractionStarter]: For program point L426(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,472 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-07 07:08:46,472 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-07 07:08:46,472 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-07 07:08:46,472 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-07 07:08:46,472 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-07 07:08:46,472 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-07 07:08:46,472 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-07 07:08:46,473 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-07 07:08:46,473 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-07 07:08:46,473 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-07 07:08:46,473 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-07 07:08:46,473 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-07 07:08:46,473 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-07 07:08:46,473 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-07 07:08:46,473 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-07 07:08:46,473 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 596) no Hoare annotation was computed. [2018-11-07 07:08:46,473 INFO L425 ceAbstractionStarter]: For program point L561(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,474 INFO L425 ceAbstractionStarter]: For program point L528(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,474 INFO L425 ceAbstractionStarter]: For program point L495(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,474 INFO L425 ceAbstractionStarter]: For program point L462(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,474 INFO L425 ceAbstractionStarter]: For program point L429(lines 29 598) no Hoare annotation was computed. [2018-11-07 07:08:46,474 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-07 07:08:46,474 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-07 07:08:46,474 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-07 07:08:46,474 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-07 07:08:46,474 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-07 07:08:46,475 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-07 07:08:46,475 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-07 07:08:46,475 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-07 07:08:46,475 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-07 07:08:46,475 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-07 07:08:46,475 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-07 07:08:46,475 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-07 07:08:46,475 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-07 07:08:46,476 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-07 07:08:46,476 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-07 07:08:46,476 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-07 07:08:46,476 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-07 07:08:46,476 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-07 07:08:46,476 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-07 07:08:46,476 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 07:08:46,476 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)) [2018-11-07 07:08:46,477 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 07:08:46,477 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 07:08:46,477 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)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a25~0 |old(~a25~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-07 07:08:46,477 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-07 07:08:46,477 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse1 (= 1 ~a25~0)) (.cse0 (= 7 ~a17~0)) (.cse2 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2) (and (= |old(~a17~0)| ~a17~0) .cse2) (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse1 (= ~a17~0 8) (= ~a19~0 1) (not (= ~a19~0 ~a11~0))) (and (<= 10 ~a28~0) .cse0 .cse2) (not (= 0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)))) [2018-11-07 07:08:46,477 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-07 07:08:46,477 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-07 07:08:46,478 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (= 1 ~a25~0)) (.cse0 (= 7 ~a17~0)) (.cse2 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2) (and (= |old(~a17~0)| ~a17~0) .cse2) (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (not (= main_~input~0 0)) .cse1 (= ~a17~0 8) (= ~a19~0 1) (not (= ~a19~0 ~a11~0))) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and (<= 10 ~a28~0) .cse0 .cse2) (not (= 0 |old(~a25~0)|)))) [2018-11-07 07:08:46,478 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-07 07:08:46,478 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-07 07:08:46,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:08:46 BoogieIcfgContainer [2018-11-07 07:08:46,489 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 07:08:46,490 INFO L168 Benchmark]: Toolchain (without parser) took 52231.67 ms. Allocated memory was 1.5 GB in the beginning and 2.8 GB in the end (delta: 1.3 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -222.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-11-07 07:08:46,491 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 07:08:46,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.47 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. [2018-11-07 07:08:46,493 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.97 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 734.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -813.9 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. [2018-11-07 07:08:46,494 INFO L168 Benchmark]: Boogie Preprocessor took 117.26 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2018-11-07 07:08:46,494 INFO L168 Benchmark]: RCFGBuilder took 3169.19 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 104.6 MB). Peak memory consumption was 104.6 MB. Max. memory is 7.1 GB. [2018-11-07 07:08:46,495 INFO L168 Benchmark]: TraceAbstraction took 48127.45 ms. Allocated memory was 2.3 GB in the beginning and 2.8 GB in the end (delta: 517.5 MB). Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 442.2 MB). Peak memory consumption was 959.7 MB. Max. memory is 7.1 GB. [2018-11-07 07:08:46,500 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 685.47 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 126.97 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 734.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -813.9 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.26 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3169.19 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 104.6 MB). Peak memory consumption was 104.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 48127.45 ms. Allocated memory was 2.3 GB in the beginning and 2.8 GB in the end (delta: 517.5 MB). Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 442.2 MB). Peak memory consumption was 959.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 469]: 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: ((((((((((7 == a17 && 1 == a25) && a28 <= 10) || (\old(a17) == a17 && a28 <= 10)) || !(1 == a21)) || !(7 == \old(a28))) || !(0 == \old(a11))) || (((1 == a25 && a17 == 8) && a19 == 1) && !(a19 == a11))) || ((10 <= a28 && 7 == a17) && a28 <= 10)) || !(0 == \old(a25))) || !(1 == \old(a19))) || !(8 == \old(a17)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 48.0s OverallTime, 9 OverallIterations, 5 TraceHistogramMax, 33.8s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1581 SDtfs, 7534 SDslu, 1665 SDs, 0 SdLazy, 9812 SolverSat, 1951 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.9s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1782 GetRequests, 1680 SyntacticMatches, 13 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7299occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.4s AbstIntTime, 6 AbstIntIterations, 2 AbstIntStrong, 0.996305267427316 AbsIntWeakeningRatio, 0.26666666666666666 AbsIntAvgWeakeningVarsNumRemoved, 25.85925925925926 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 394 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 184 PreInvPairs, 272 NumberOfFragments, 339 HoareAnnotationTreeSize, 184 FomulaSimplifications, 6500 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3972 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 2035 NumberOfCodeBlocks, 2035 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2721 ConstructedInterpolants, 0 QuantifiedInterpolants, 1006775 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1823 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 17 InterpolantComputations, 5 PerfectInterpolantSequences, 1210/1384 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...