java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label30_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-25 01:24:24,359 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-25 01:24:24,361 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-25 01:24:24,373 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-25 01:24:24,373 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-25 01:24:24,374 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-25 01:24:24,375 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-25 01:24:24,377 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-25 01:24:24,379 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-25 01:24:24,379 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-25 01:24:24,380 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-25 01:24:24,381 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-25 01:24:24,382 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-25 01:24:24,383 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-25 01:24:24,384 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-25 01:24:24,385 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-25 01:24:24,386 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-25 01:24:24,388 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-25 01:24:24,390 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-25 01:24:24,391 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-25 01:24:24,392 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-25 01:24:24,393 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-25 01:24:24,396 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-25 01:24:24,396 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-25 01:24:24,396 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-25 01:24:24,397 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-25 01:24:24,398 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-25 01:24:24,399 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-25 01:24:24,400 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-25 01:24:24,401 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-25 01:24:24,401 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-25 01:24:24,402 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-25 01:24:24,404 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-25 01:24:24,422 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-25 01:24:24,422 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-25 01:24:24,423 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-25 01:24:24,423 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-25 01:24:24,423 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-25 01:24:24,423 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-25 01:24:24,423 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-25 01:24:24,424 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-25 01:24:24,424 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-25 01:24:24,424 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-25 01:24:24,424 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-25 01:24:24,424 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-25 01:24:24,425 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-25 01:24:24,425 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-25 01:24:24,425 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-25 01:24:24,426 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-25 01:24:24,426 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-25 01:24:24,426 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-25 01:24:24,426 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-25 01:24:24,426 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-25 01:24:24,426 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-25 01:24:24,427 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-25 01:24:24,427 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-25 01:24:24,427 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-25 01:24:24,427 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-25 01:24:24,428 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-25 01:24:24,428 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 01:24:24,428 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-25 01:24:24,428 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-25 01:24:24,428 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-25 01:24:24,429 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-25 01:24:24,429 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-25 01:24:24,429 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-25 01:24:24,429 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-25 01:24:24,429 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-25 01:24:24,429 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-25 01:24:24,472 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-25 01:24:24,484 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-25 01:24:24,488 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-25 01:24:24,489 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-25 01:24:24,490 INFO L276 PluginConnector]: CDTParser initialized [2018-10-25 01:24:24,491 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label30_true-unreach-call.c [2018-10-25 01:24:24,542 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/42f032899/eabaf39f355143bca7235d05481a76f0/FLAG7670f5cf2 [2018-10-25 01:24:25,103 INFO L298 CDTParser]: Found 1 translation units. [2018-10-25 01:24:25,104 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label30_true-unreach-call.c [2018-10-25 01:24:25,123 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/42f032899/eabaf39f355143bca7235d05481a76f0/FLAG7670f5cf2 [2018-10-25 01:24:25,140 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/42f032899/eabaf39f355143bca7235d05481a76f0 [2018-10-25 01:24:25,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-25 01:24:25,151 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-25 01:24:25,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-25 01:24:25,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-25 01:24:25,156 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-25 01:24:25,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 01:24:25" (1/1) ... [2018-10-25 01:24:25,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dfdac62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:24:25, skipping insertion in model container [2018-10-25 01:24:25,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 01:24:25" (1/1) ... [2018-10-25 01:24:25,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-25 01:24:25,222 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-25 01:24:25,661 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 01:24:25,665 INFO L189 MainTranslator]: Completed pre-run [2018-10-25 01:24:25,808 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 01:24:25,832 INFO L193 MainTranslator]: Completed translation [2018-10-25 01:24:25,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:24:25 WrapperNode [2018-10-25 01:24:25,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-25 01:24:25,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-25 01:24:25,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-25 01:24:25,834 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-25 01:24:25,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:24:25" (1/1) ... [2018-10-25 01:24:25,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:24:25" (1/1) ... [2018-10-25 01:24:26,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-25 01:24:26,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-25 01:24:26,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-25 01:24:26,039 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-25 01:24:26,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:24:25" (1/1) ... [2018-10-25 01:24:26,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:24:25" (1/1) ... [2018-10-25 01:24:26,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:24:25" (1/1) ... [2018-10-25 01:24:26,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:24:25" (1/1) ... [2018-10-25 01:24:26,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:24:25" (1/1) ... [2018-10-25 01:24:26,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:24:25" (1/1) ... [2018-10-25 01:24:26,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:24:25" (1/1) ... [2018-10-25 01:24:26,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-25 01:24:26,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-25 01:24:26,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-25 01:24:26,150 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-25 01:24:26,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:24:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 01:24:26,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-25 01:24:26,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-25 01:24:26,220 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-25 01:24:26,220 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-25 01:24:26,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-25 01:24:26,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-25 01:24:26,221 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-25 01:24:26,221 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-25 01:24:29,334 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-25 01:24:29,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 01:24:29 BoogieIcfgContainer [2018-10-25 01:24:29,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-25 01:24:29,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-25 01:24:29,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-25 01:24:29,346 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-25 01:24:29,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 01:24:25" (1/3) ... [2018-10-25 01:24:29,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e61e633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 01:24:29, skipping insertion in model container [2018-10-25 01:24:29,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:24:25" (2/3) ... [2018-10-25 01:24:29,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e61e633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 01:24:29, skipping insertion in model container [2018-10-25 01:24:29,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 01:24:29" (3/3) ... [2018-10-25 01:24:29,352 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label30_true-unreach-call.c [2018-10-25 01:24:29,362 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-25 01:24:29,378 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-25 01:24:29,398 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-25 01:24:29,449 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-25 01:24:29,449 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-25 01:24:29,449 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-25 01:24:29,449 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-25 01:24:29,450 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-25 01:24:29,450 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-25 01:24:29,450 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-25 01:24:29,450 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-25 01:24:29,485 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-10-25 01:24:29,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-25 01:24:29,493 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:24:29,494 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] [2018-10-25 01:24:29,496 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:24:29,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:24:29,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1431628569, now seen corresponding path program 1 times [2018-10-25 01:24:29,505 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:24:29,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:24:29,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:24:29,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:24:29,551 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:24:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:24:29,968 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 01:24:30,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:24:30,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 01:24:30,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-25 01:24:30,066 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 01:24:30,072 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 01:24:30,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 01:24:30,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 01:24:30,091 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-10-25 01:24:31,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:24:31,601 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-10-25 01:24:31,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 01:24:31,604 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2018-10-25 01:24:31,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:24:31,623 INFO L225 Difference]: With dead ends: 574 [2018-10-25 01:24:31,623 INFO L226 Difference]: Without dead ends: 356 [2018-10-25 01:24:31,631 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 01:24:31,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-10-25 01:24:31,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-10-25 01:24:31,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-10-25 01:24:31,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-10-25 01:24:31,707 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 41 [2018-10-25 01:24:31,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:24:31,708 INFO L481 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-10-25 01:24:31,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 01:24:31,708 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-10-25 01:24:31,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-25 01:24:31,715 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:24:31,716 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 01:24:31,716 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:24:31,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:24:31,717 INFO L82 PathProgramCache]: Analyzing trace with hash -965604765, now seen corresponding path program 1 times [2018-10-25 01:24:31,717 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:24:31,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:24:31,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:24:31,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:24:31,719 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:24:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:24:32,068 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:24:32,069 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 01:24:32,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-25 01:24:32,069 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 01:24:32,071 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-25 01:24:32,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-25 01:24:32,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-25 01:24:32,072 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 5 states. [2018-10-25 01:24:35,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:24:35,943 INFO L93 Difference]: Finished difference Result 1289 states and 2315 transitions. [2018-10-25 01:24:35,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-25 01:24:35,944 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2018-10-25 01:24:35,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:24:35,953 INFO L225 Difference]: With dead ends: 1289 [2018-10-25 01:24:35,953 INFO L226 Difference]: Without dead ends: 939 [2018-10-25 01:24:35,961 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-25 01:24:35,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2018-10-25 01:24:36,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 926. [2018-10-25 01:24:36,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2018-10-25 01:24:36,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1444 transitions. [2018-10-25 01:24:36,037 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1444 transitions. Word has length 124 [2018-10-25 01:24:36,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:24:36,038 INFO L481 AbstractCegarLoop]: Abstraction has 926 states and 1444 transitions. [2018-10-25 01:24:36,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-25 01:24:36,038 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1444 transitions. [2018-10-25 01:24:36,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-25 01:24:36,044 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:24:36,044 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 01:24:36,044 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:24:36,045 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:24:36,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1367473027, now seen corresponding path program 1 times [2018-10-25 01:24:36,045 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:24:36,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:24:36,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:24:36,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:24:36,047 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:24:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:24:36,382 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:24:36,382 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 01:24:36,383 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 01:24:36,383 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 01:24:36,384 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 01:24:36,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 01:24:36,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 01:24:36,385 INFO L87 Difference]: Start difference. First operand 926 states and 1444 transitions. Second operand 6 states. [2018-10-25 01:24:40,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:24:40,265 INFO L93 Difference]: Finished difference Result 2537 states and 4091 transitions. [2018-10-25 01:24:40,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 01:24:40,268 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 140 [2018-10-25 01:24:40,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:24:40,286 INFO L225 Difference]: With dead ends: 2537 [2018-10-25 01:24:40,286 INFO L226 Difference]: Without dead ends: 1617 [2018-10-25 01:24:40,294 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-25 01:24:40,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2018-10-25 01:24:40,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1586. [2018-10-25 01:24:40,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1586 states. [2018-10-25 01:24:40,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 2321 transitions. [2018-10-25 01:24:40,366 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 2321 transitions. Word has length 140 [2018-10-25 01:24:40,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:24:40,366 INFO L481 AbstractCegarLoop]: Abstraction has 1586 states and 2321 transitions. [2018-10-25 01:24:40,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 01:24:40,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2321 transitions. [2018-10-25 01:24:40,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-25 01:24:40,371 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:24:40,373 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 01:24:40,373 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:24:40,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:24:40,374 INFO L82 PathProgramCache]: Analyzing trace with hash -1368152781, now seen corresponding path program 1 times [2018-10-25 01:24:40,374 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:24:40,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:24:40,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:24:40,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:24:40,375 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:24:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:24:40,683 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 01:24:41,093 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:24:41,094 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 01:24:41,094 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 01:24:41,094 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 01:24:41,095 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 01:24:41,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 01:24:41,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 01:24:41,096 INFO L87 Difference]: Start difference. First operand 1586 states and 2321 transitions. Second operand 6 states. [2018-10-25 01:24:42,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:24:42,872 INFO L93 Difference]: Finished difference Result 3508 states and 5316 transitions. [2018-10-25 01:24:42,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 01:24:42,873 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-10-25 01:24:42,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:24:42,888 INFO L225 Difference]: With dead ends: 3508 [2018-10-25 01:24:42,889 INFO L226 Difference]: Without dead ends: 1928 [2018-10-25 01:24:42,896 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-25 01:24:42,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1928 states. [2018-10-25 01:24:42,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1928 to 1889. [2018-10-25 01:24:42,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1889 states. [2018-10-25 01:24:42,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 1889 states and 2675 transitions. [2018-10-25 01:24:42,961 INFO L78 Accepts]: Start accepts. Automaton has 1889 states and 2675 transitions. Word has length 164 [2018-10-25 01:24:42,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:24:42,962 INFO L481 AbstractCegarLoop]: Abstraction has 1889 states and 2675 transitions. [2018-10-25 01:24:42,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 01:24:42,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2675 transitions. [2018-10-25 01:24:42,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-10-25 01:24:42,969 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:24:42,969 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-25 01:24:42,969 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:24:42,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:24:42,970 INFO L82 PathProgramCache]: Analyzing trace with hash -443715368, now seen corresponding path program 1 times [2018-10-25 01:24:42,970 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:24:42,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:24:42,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:24:42,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:24:42,972 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:24:43,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:24:43,491 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 146 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:24:43,491 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 01:24:43,491 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 01:24:43,492 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 205 with the following transitions: [2018-10-25 01:24:43,494 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [229], [231], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [546], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-10-25 01:24:43,556 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 01:24:43,557 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 01:24:44,684 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 01:24:44,686 INFO L272 AbstractInterpreter]: Visited 92 different actions 182 times. Merged at 7 different actions 10 times. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 24 variables. [2018-10-25 01:24:44,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:24:44,734 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 01:24:44,734 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 01:24:44,734 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 01:24:44,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:24:44,752 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 01:24:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:24:44,884 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 01:24:45,736 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 146 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:24:45,736 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 01:24:46,203 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 146 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:24:46,233 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 01:24:46,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-10-25 01:24:46,234 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 01:24:46,235 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-25 01:24:46,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-25 01:24:46,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2018-10-25 01:24:46,235 INFO L87 Difference]: Start difference. First operand 1889 states and 2675 transitions. Second operand 15 states. [2018-10-25 01:24:47,200 WARN L179 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 21 [2018-10-25 01:24:55,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:24:55,373 INFO L93 Difference]: Finished difference Result 7024 states and 11001 transitions. [2018-10-25 01:24:55,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-10-25 01:24:55,374 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 204 [2018-10-25 01:24:55,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:24:55,407 INFO L225 Difference]: With dead ends: 7024 [2018-10-25 01:24:55,407 INFO L226 Difference]: Without dead ends: 4677 [2018-10-25 01:24:55,443 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 423 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 529 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=567, Invalid=1689, Unknown=0, NotChecked=0, Total=2256 [2018-10-25 01:24:55,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4677 states. [2018-10-25 01:24:55,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4677 to 4254. [2018-10-25 01:24:55,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4254 states. [2018-10-25 01:24:55,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4254 states to 4254 states and 5539 transitions. [2018-10-25 01:24:55,591 INFO L78 Accepts]: Start accepts. Automaton has 4254 states and 5539 transitions. Word has length 204 [2018-10-25 01:24:55,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:24:55,592 INFO L481 AbstractCegarLoop]: Abstraction has 4254 states and 5539 transitions. [2018-10-25 01:24:55,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-25 01:24:55,592 INFO L276 IsEmpty]: Start isEmpty. Operand 4254 states and 5539 transitions. [2018-10-25 01:24:55,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-25 01:24:55,605 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:24:55,605 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-25 01:24:55,605 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:24:55,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:24:55,606 INFO L82 PathProgramCache]: Analyzing trace with hash -336754980, now seen corresponding path program 1 times [2018-10-25 01:24:55,606 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:24:55,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:24:55,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:24:55,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:24:55,608 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:24:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:24:56,139 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 68 proven. 73 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-25 01:24:56,140 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 01:24:56,140 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 01:24:56,140 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 219 with the following transitions: [2018-10-25 01:24:56,141 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [229], [231], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [610], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-10-25 01:24:56,147 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 01:24:56,147 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 01:24:56,440 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 01:24:56,441 INFO L272 AbstractInterpreter]: Visited 104 different actions 104 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-25 01:24:56,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:24:56,479 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 01:24:57,063 INFO L232 lantSequenceWeakener]: Weakened 209 states. On average, predicates are now at 73.17% of their original sizes. [2018-10-25 01:24:57,063 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 01:24:57,320 INFO L413 sIntCurrentIteration]: We have 217 unified AI predicates [2018-10-25 01:24:57,320 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 01:24:57,321 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 01:24:57,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-10-25 01:24:57,321 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 01:24:57,322 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 01:24:57,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 01:24:57,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 01:24:57,323 INFO L87 Difference]: Start difference. First operand 4254 states and 5539 transitions. Second operand 6 states. [2018-10-25 01:25:12,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:25:12,133 INFO L93 Difference]: Finished difference Result 8638 states and 11223 transitions. [2018-10-25 01:25:12,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-25 01:25:12,133 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 218 [2018-10-25 01:25:12,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:25:12,155 INFO L225 Difference]: With dead ends: 8638 [2018-10-25 01:25:12,155 INFO L226 Difference]: Without dead ends: 4395 [2018-10-25 01:25:12,171 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 218 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-25 01:25:12,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4395 states. [2018-10-25 01:25:12,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4395 to 4393. [2018-10-25 01:25:12,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4393 states. [2018-10-25 01:25:12,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4393 states to 4393 states and 5677 transitions. [2018-10-25 01:25:12,278 INFO L78 Accepts]: Start accepts. Automaton has 4393 states and 5677 transitions. Word has length 218 [2018-10-25 01:25:12,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:25:12,279 INFO L481 AbstractCegarLoop]: Abstraction has 4393 states and 5677 transitions. [2018-10-25 01:25:12,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 01:25:12,279 INFO L276 IsEmpty]: Start isEmpty. Operand 4393 states and 5677 transitions. [2018-10-25 01:25:12,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-10-25 01:25:12,296 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:25:12,296 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-10-25 01:25:12,296 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:25:12,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:25:12,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1699027286, now seen corresponding path program 1 times [2018-10-25 01:25:12,297 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:25:12,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:25:12,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:25:12,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:25:12,298 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:25:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:25:12,607 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 12 [2018-10-25 01:25:13,088 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-25 01:25:13,481 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 119 proven. 199 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-25 01:25:13,481 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 01:25:13,482 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 01:25:13,482 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 290 with the following transitions: [2018-10-25 01:25:13,482 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [229], [231], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [610], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-10-25 01:25:13,486 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 01:25:13,487 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 01:25:14,799 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 01:25:14,799 INFO L272 AbstractInterpreter]: Visited 109 different actions 539 times. Merged at 8 different actions 42 times. Widened at 1 different actions 2 times. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-10-25 01:25:14,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:25:14,805 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 01:25:14,805 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 01:25:14,805 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 01:25:14,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:25:14,814 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 01:25:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:25:14,923 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 01:25:15,207 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 285 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-25 01:25:15,207 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 01:25:15,676 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 176 proven. 77 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-25 01:25:15,710 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 01:25:15,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 19 [2018-10-25 01:25:15,710 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 01:25:15,712 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-25 01:25:15,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-25 01:25:15,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2018-10-25 01:25:15,714 INFO L87 Difference]: Start difference. First operand 4393 states and 5677 transitions. Second operand 18 states. [2018-10-25 01:25:16,033 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-25 01:25:26,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:25:26,792 INFO L93 Difference]: Finished difference Result 11364 states and 16008 transitions. [2018-10-25 01:25:26,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-10-25 01:25:26,793 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 289 [2018-10-25 01:25:26,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:25:26,794 INFO L225 Difference]: With dead ends: 11364 [2018-10-25 01:25:26,794 INFO L226 Difference]: Without dead ends: 0 [2018-10-25 01:25:26,847 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 659 GetRequests, 604 SyntacticMatches, 3 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 756 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=566, Invalid=2296, Unknown=0, NotChecked=0, Total=2862 [2018-10-25 01:25:26,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-25 01:25:26,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-25 01:25:26,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-25 01:25:26,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-25 01:25:26,848 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 289 [2018-10-25 01:25:26,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:25:26,849 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-25 01:25:26,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-10-25 01:25:26,849 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-25 01:25:26,849 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-25 01:25:26,854 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-25 01:25:27,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,331 WARN L179 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 143 [2018-10-25 01:25:27,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:25:27,585 WARN L179 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 139 [2018-10-25 01:25:27,969 WARN L179 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 15 [2018-10-25 01:25:28,649 WARN L179 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 27 [2018-10-25 01:25:30,182 WARN L179 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 186 DAG size of output: 42 [2018-10-25 01:25:30,666 WARN L179 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 40 [2018-10-25 01:25:31,238 WARN L179 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 40 [2018-10-25 01:25:31,241 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-25 01:25:31,242 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-10-25 01:25:31,242 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-25 01:25:31,242 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-10-25 01:25:31,242 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,242 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,242 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,242 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,242 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,243 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,243 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-10-25 01:25:31,243 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-10-25 01:25:31,243 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-10-25 01:25:31,243 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-10-25 01:25:31,243 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-25 01:25:31,243 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-10-25 01:25:31,243 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-10-25 01:25:31,243 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-10-25 01:25:31,244 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-10-25 01:25:31,244 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-10-25 01:25:31,244 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-10-25 01:25:31,244 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,244 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,244 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,244 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,244 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,245 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-10-25 01:25:31,245 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-10-25 01:25:31,245 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-10-25 01:25:31,245 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2018-10-25 01:25:31,245 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-10-25 01:25:31,245 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-10-25 01:25:31,245 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-25 01:25:31,245 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-10-25 01:25:31,246 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-10-25 01:25:31,246 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-25 01:25:31,246 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-10-25 01:25:31,246 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-10-25 01:25:31,246 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-10-25 01:25:31,246 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-10-25 01:25:31,246 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-10-25 01:25:31,246 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,246 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,246 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,246 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,247 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,247 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-10-25 01:25:31,247 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-10-25 01:25:31,247 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-10-25 01:25:31,247 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-10-25 01:25:31,247 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-10-25 01:25:31,247 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-10-25 01:25:31,247 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-10-25 01:25:31,247 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-10-25 01:25:31,248 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-10-25 01:25:31,248 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-10-25 01:25:31,248 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,248 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,248 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,248 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,248 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,248 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-10-25 01:25:31,248 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-10-25 01:25:31,249 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-10-25 01:25:31,249 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-10-25 01:25:31,249 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-10-25 01:25:31,249 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-10-25 01:25:31,249 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-10-25 01:25:31,249 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-10-25 01:25:31,249 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-10-25 01:25:31,249 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-10-25 01:25:31,250 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-10-25 01:25:31,250 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-10-25 01:25:31,250 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-10-25 01:25:31,250 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,250 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,250 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,250 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,251 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,251 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-10-25 01:25:31,251 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-25 01:25:31,251 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-10-25 01:25:31,251 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-10-25 01:25:31,251 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-10-25 01:25:31,251 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-10-25 01:25:31,251 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-10-25 01:25:31,251 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-10-25 01:25:31,251 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-10-25 01:25:31,252 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,252 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,252 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,252 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,252 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,252 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,252 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,252 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-10-25 01:25:31,252 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-10-25 01:25:31,252 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-10-25 01:25:31,253 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-10-25 01:25:31,253 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-10-25 01:25:31,253 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-10-25 01:25:31,253 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-10-25 01:25:31,253 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-25 01:25:31,253 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-25 01:25:31,253 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-10-25 01:25:31,253 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-10-25 01:25:31,253 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-10-25 01:25:31,253 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-10-25 01:25:31,253 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,254 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,254 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,254 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,254 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-10-25 01:25:31,254 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,254 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,254 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-10-25 01:25:31,255 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-10-25 01:25:31,255 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-10-25 01:25:31,255 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-10-25 01:25:31,255 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-10-25 01:25:31,255 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-10-25 01:25:31,255 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-10-25 01:25:31,255 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-10-25 01:25:31,255 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-25 01:25:31,255 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-10-25 01:25:31,255 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-10-25 01:25:31,255 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-10-25 01:25:31,256 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-10-25 01:25:31,256 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,256 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,256 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,256 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,256 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,256 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,257 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-10-25 01:25:31,257 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-10-25 01:25:31,257 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-10-25 01:25:31,257 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-10-25 01:25:31,257 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-10-25 01:25:31,257 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-10-25 01:25:31,257 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-10-25 01:25:31,257 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-25 01:25:31,257 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-25 01:25:31,258 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-10-25 01:25:31,258 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-10-25 01:25:31,258 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (= 7 |old(~a19~0)|)) (.cse6 (= |old(~a10~0)| ~a10~0)) (.cse7 (= ~a1~0 |old(~a1~0)|))) (let ((.cse0 (and (= ~a19~0 |old(~a19~0)|) .cse6 .cse7)) (.cse4 (not .cse1)) (.cse2 (not (= 14 ~a4~0))) (.cse3 (not (= 0 ~a12~0))) (.cse5 (and (= 7 ~a19~0) .cse6 .cse7))) (and (or .cse0 .cse1 (= 10 |old(~a19~0)|) .cse2 .cse3) (or (or .cse1 (< 1 |old(~a10~0)|)) .cse2 .cse3 .cse0) (or .cse4 (not (= 1 |old(~a10~0)|)) .cse2 .cse3 .cse5) (or .cse4 .cse2 .cse3 (< 218 |old(~a1~0)|) .cse5 (not (= 2 |old(~a10~0)|)))))) [2018-10-25 01:25:31,258 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-10-25 01:25:31,258 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-10-25 01:25:31,258 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-10-25 01:25:31,259 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,259 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,259 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,259 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,259 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,259 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,259 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-10-25 01:25:31,259 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-10-25 01:25:31,259 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-10-25 01:25:31,260 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-10-25 01:25:31,260 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-10-25 01:25:31,260 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-25 01:25:31,260 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-25 01:25:31,260 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-10-25 01:25:31,260 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-10-25 01:25:31,260 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-10-25 01:25:31,260 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-10-25 01:25:31,260 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-10-25 01:25:31,260 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-10-25 01:25:31,260 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,261 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,261 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,261 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,261 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,261 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,261 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-10-25 01:25:31,261 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-10-25 01:25:31,261 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-10-25 01:25:31,261 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-10-25 01:25:31,261 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-10-25 01:25:31,261 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-25 01:25:31,262 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-10-25 01:25:31,262 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-10-25 01:25:31,262 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-10-25 01:25:31,262 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-10-25 01:25:31,262 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-10-25 01:25:31,262 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-10-25 01:25:31,262 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,262 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,262 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,262 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,262 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,263 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:25:31,263 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-10-25 01:25:31,263 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-10-25 01:25:31,263 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-10-25 01:25:31,263 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-10-25 01:25:31,263 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-10-25 01:25:31,263 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-10-25 01:25:31,263 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-10-25 01:25:31,263 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-10-25 01:25:31,263 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-25 01:25:31,263 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-10-25 01:25:31,264 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-10-25 01:25:31,264 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-10-25 01:25:31,264 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-25 01:25:31,264 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14)) [2018-10-25 01:25:31,264 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-25 01:25:31,264 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-25 01:25:31,264 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 14 ~a4~0)) (not (= 23 |old(~a1~0)|)) (and (= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|))) [2018-10-25 01:25:31,264 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-10-25 01:25:31,265 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 7)))) (or (not (= 23 |old(~a1~0)|)) (= 1 ~a10~0) (and .cse0 (<= ~a10~0 1)) (not (= 0 ~a12~0)) (not (= 0 |old(~a10~0)|)) (and .cse0 (not (= ~a19~0 10))) (and (<= ~a1~0 218) (= 2 ~a10~0) (= 7 ~a19~0)) (not (= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)))) [2018-10-25 01:25:31,265 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-10-25 01:25:31,265 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-10-25 01:25:31,265 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-10-25 01:25:31,265 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 7)))) (or (not (= 23 |old(~a1~0)|)) (= 1 ~a10~0) (and .cse0 (<= ~a10~0 1)) (not (= 0 ~a12~0)) (not (= 0 |old(~a10~0)|)) (and .cse0 (not (= ~a19~0 10))) (and (<= ~a1~0 218) (= 2 ~a10~0) (= 7 ~a19~0)) (not (= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)))) [2018-10-25 01:25:31,265 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-10-25 01:25:31,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 01:25:31 BoogieIcfgContainer [2018-10-25 01:25:31,279 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-25 01:25:31,280 INFO L168 Benchmark]: Toolchain (without parser) took 66129.50 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -396.8 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-10-25 01:25:31,281 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-25 01:25:31,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.81 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-25 01:25:31,283 INFO L168 Benchmark]: Boogie Procedure Inliner took 204.79 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -829.5 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-10-25 01:25:31,284 INFO L168 Benchmark]: Boogie Preprocessor took 111.13 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-25 01:25:31,284 INFO L168 Benchmark]: RCFGBuilder took 3184.79 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: 130.5 MB). Peak memory consumption was 130.5 MB. Max. memory is 7.1 GB. [2018-10-25 01:25:31,285 INFO L168 Benchmark]: TraceAbstraction took 61938.75 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 270.6 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-10-25 01:25:31,290 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 680.81 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 204.79 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -829.5 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.13 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3184.79 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: 130.5 MB). Peak memory consumption was 130.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 61938.75 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 270.6 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: 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: 582]: Loop Invariant Derived loop invariant: (((((((!(23 == \old(a1)) || 1 == a10) || (!(a19 == 7) && a10 <= 1)) || !(0 == a12)) || !(0 == \old(a10))) || (!(a19 == 7) && !(a19 == 10))) || ((a1 <= 218 && 2 == a10) && 7 == a19)) || !(9 == \old(a19))) || !(14 == a4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 61.8s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 46.3s AutomataDifference, 0.0s DeadEndRemovalTime, 4.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 781 SDtfs, 9680 SDslu, 1333 SDs, 0 SdLazy, 14813 SolverSat, 3227 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.4s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 1381 GetRequests, 1249 SyntacticMatches, 8 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1296 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4393occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.9s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.9974055898019034 AbsIntWeakeningRatio, 0.11981566820276497 AbsIntAvgWeakeningVarsNumRemoved, 15.373271889400922 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 508 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 113 PreInvPairs, 229 NumberOfFragments, 271 HoareAnnotationTreeSize, 113 FomulaSimplifications, 25214 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 9282 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 1673 NumberOfCodeBlocks, 1673 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2155 ConstructedInterpolants, 0 QuantifiedInterpolants, 2233366 SizeOfPredicates, 1 NumberOfNonLiveVariables, 880 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 1301/1658 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...