java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label16_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 20:01:24,211 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 20:01:24,217 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 20:01:24,234 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 20:01:24,234 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 20:01:24,235 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 20:01:24,236 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 20:01:24,238 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 20:01:24,240 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 20:01:24,241 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 20:01:24,241 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 20:01:24,242 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 20:01:24,243 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 20:01:24,244 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 20:01:24,245 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 20:01:24,246 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 20:01:24,247 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 20:01:24,253 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 20:01:24,255 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 20:01:24,258 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 20:01:24,259 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 20:01:24,260 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 20:01:24,267 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 20:01:24,267 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 20:01:24,267 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 20:01:24,271 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 20:01:24,272 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 20:01:24,275 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 20:01:24,275 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 20:01:24,276 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 20:01:24,279 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 20:01:24,279 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 20:01:24,279 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 20:01:24,280 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 20:01:24,281 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 20:01:24,281 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 20:01:24,281 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-07 20:01:24,299 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 20:01:24,299 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 20:01:24,300 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 20:01:24,300 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 20:01:24,301 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 20:01:24,301 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 20:01:24,301 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 20:01:24,301 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 20:01:24,301 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 20:01:24,302 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 20:01:24,302 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 20:01:24,302 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 20:01:24,302 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 20:01:24,303 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 20:01:24,303 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 20:01:24,303 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 20:01:24,303 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 20:01:24,303 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 20:01:24,304 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 20:01:24,304 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 20:01:24,304 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 20:01:24,304 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 20:01:24,304 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 20:01:24,305 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 20:01:24,305 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 20:01:24,305 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 20:01:24,305 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 20:01:24,305 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 20:01:24,306 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 20:01:24,306 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 20:01:24,306 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 20:01:24,306 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 20:01:24,306 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 20:01:24,307 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 20:01:24,307 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 20:01:24,359 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 20:01:24,374 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 20:01:24,377 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 20:01:24,379 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 20:01:24,379 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 20:01:24,380 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label16_true-unreach-call.c [2018-11-07 20:01:24,438 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e41df37ee/79e29f02eca64495bdc164a651a117b7/FLAGb1ea223ca [2018-11-07 20:01:24,994 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 20:01:24,995 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label16_true-unreach-call.c [2018-11-07 20:01:25,007 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e41df37ee/79e29f02eca64495bdc164a651a117b7/FLAGb1ea223ca [2018-11-07 20:01:25,021 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e41df37ee/79e29f02eca64495bdc164a651a117b7 [2018-11-07 20:01:25,031 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 20:01:25,032 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 20:01:25,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 20:01:25,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 20:01:25,037 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 20:01:25,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:01:25" (1/1) ... [2018-11-07 20:01:25,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4688d22a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:25, skipping insertion in model container [2018-11-07 20:01:25,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:01:25" (1/1) ... [2018-11-07 20:01:25,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 20:01:25,112 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 20:01:25,578 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 20:01:25,583 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 20:01:25,744 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 20:01:25,763 INFO L193 MainTranslator]: Completed translation [2018-11-07 20:01:25,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:25 WrapperNode [2018-11-07 20:01:25,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 20:01:25,765 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 20:01:25,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 20:01:25,766 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 20:01:25,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:25" (1/1) ... [2018-11-07 20:01:25,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:25" (1/1) ... [2018-11-07 20:01:25,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 20:01:25,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 20:01:25,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 20:01:25,924 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 20:01:25,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:25" (1/1) ... [2018-11-07 20:01:25,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:25" (1/1) ... [2018-11-07 20:01:25,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:25" (1/1) ... [2018-11-07 20:01:25,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:25" (1/1) ... [2018-11-07 20:01:25,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:25" (1/1) ... [2018-11-07 20:01:26,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:25" (1/1) ... [2018-11-07 20:01:26,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:25" (1/1) ... [2018-11-07 20:01:26,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 20:01:26,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 20:01:26,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 20:01:26,024 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 20:01:26,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 20:01:26,085 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 20:01:26,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 20:01:26,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 20:01:26,085 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 20:01:26,085 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 20:01:26,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 20:01:26,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 20:01:26,086 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 20:01:26,086 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 20:01:29,213 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 20:01:29,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:01:29 BoogieIcfgContainer [2018-11-07 20:01:29,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 20:01:29,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 20:01:29,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 20:01:29,218 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 20:01:29,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:01:25" (1/3) ... [2018-11-07 20:01:29,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e75b57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:01:29, skipping insertion in model container [2018-11-07 20:01:29,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:25" (2/3) ... [2018-11-07 20:01:29,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e75b57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:01:29, skipping insertion in model container [2018-11-07 20:01:29,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:01:29" (3/3) ... [2018-11-07 20:01:29,222 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label16_true-unreach-call.c [2018-11-07 20:01:29,230 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 20:01:29,237 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 20:01:29,252 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 20:01:29,289 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 20:01:29,290 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 20:01:29,290 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 20:01:29,290 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 20:01:29,290 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 20:01:29,291 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 20:01:29,291 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 20:01:29,291 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 20:01:29,317 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-07 20:01:29,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-07 20:01:29,326 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:01:29,327 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] [2018-11-07 20:01:29,329 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:01:29,335 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:01:29,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1339291892, now seen corresponding path program 1 times [2018-11-07 20:01:29,338 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:01:29,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:29,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:01:29,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:29,390 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:01:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:01:29,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:01:29,844 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:01:29,845 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 20:01:29,845 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:01:29,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 20:01:29,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 20:01:29,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 20:01:29,870 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-07 20:01:31,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:01:31,760 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-07 20:01:31,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 20:01:31,762 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2018-11-07 20:01:31,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:01:31,780 INFO L225 Difference]: With dead ends: 574 [2018-11-07 20:01:31,780 INFO L226 Difference]: Without dead ends: 356 [2018-11-07 20:01:31,788 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 20:01:31,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-07 20:01:31,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-07 20:01:31,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-07 20:01:31,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-11-07 20:01:31,868 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 40 [2018-11-07 20:01:31,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:01:31,869 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-11-07 20:01:31,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 20:01:31,869 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-11-07 20:01:31,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-07 20:01:31,878 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:01:31,879 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:01:31,879 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:01:31,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:01:31,880 INFO L82 PathProgramCache]: Analyzing trace with hash 281575248, now seen corresponding path program 1 times [2018-11-07 20:01:31,880 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:01:31,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:31,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:01:31,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:31,882 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:01:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:01:32,203 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:01:32,204 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:01:32,204 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 20:01:32,204 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:01:32,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 20:01:32,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 20:01:32,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 20:01:32,208 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 4 states. [2018-11-07 20:01:34,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:01:34,072 INFO L93 Difference]: Finished difference Result 1282 states and 2328 transitions. [2018-11-07 20:01:34,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 20:01:34,072 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2018-11-07 20:01:34,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:01:34,086 INFO L225 Difference]: With dead ends: 1282 [2018-11-07 20:01:34,086 INFO L226 Difference]: Without dead ends: 932 [2018-11-07 20:01:34,096 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 20:01:34,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2018-11-07 20:01:34,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 932. [2018-11-07 20:01:34,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 932 states. [2018-11-07 20:01:34,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1471 transitions. [2018-11-07 20:01:34,160 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1471 transitions. Word has length 160 [2018-11-07 20:01:34,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:01:34,161 INFO L480 AbstractCegarLoop]: Abstraction has 932 states and 1471 transitions. [2018-11-07 20:01:34,161 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 20:01:34,161 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1471 transitions. [2018-11-07 20:01:34,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-07 20:01:34,170 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:01:34,170 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:01:34,170 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:01:34,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:01:34,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1010805092, now seen corresponding path program 1 times [2018-11-07 20:01:34,171 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:01:34,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:34,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:01:34,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:34,173 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:01:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:01:34,581 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:01:34,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:01:34,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 20:01:34,582 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:01:34,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 20:01:34,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 20:01:34,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 20:01:34,586 INFO L87 Difference]: Start difference. First operand 932 states and 1471 transitions. Second operand 5 states. [2018-11-07 20:01:40,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:01:40,072 INFO L93 Difference]: Finished difference Result 3235 states and 5245 transitions. [2018-11-07 20:01:40,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 20:01:40,073 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2018-11-07 20:01:40,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:01:40,089 INFO L225 Difference]: With dead ends: 3235 [2018-11-07 20:01:40,090 INFO L226 Difference]: Without dead ends: 2309 [2018-11-07 20:01:40,101 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 20:01:40,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2018-11-07 20:01:40,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 2259. [2018-11-07 20:01:40,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2259 states. [2018-11-07 20:01:40,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 2259 states and 3347 transitions. [2018-11-07 20:01:40,193 INFO L78 Accepts]: Start accepts. Automaton has 2259 states and 3347 transitions. Word has length 166 [2018-11-07 20:01:40,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:01:40,193 INFO L480 AbstractCegarLoop]: Abstraction has 2259 states and 3347 transitions. [2018-11-07 20:01:40,193 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 20:01:40,194 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 3347 transitions. [2018-11-07 20:01:40,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-07 20:01:40,208 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:01:40,210 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:01:40,210 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:01:40,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:01:40,210 INFO L82 PathProgramCache]: Analyzing trace with hash 102356851, now seen corresponding path program 1 times [2018-11-07 20:01:40,211 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:01:40,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:40,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:01:40,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:01:40,212 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:01:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:01:40,720 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:01:40,721 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:01:40,721 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:01:40,722 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 238 with the following transitions: [2018-11-07 20:01:40,724 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], [221], [223], [226], [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], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:01:40,770 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:01:40,770 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:01:41,180 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:01:42,104 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:01:42,107 INFO L272 AbstractInterpreter]: Visited 134 different actions 389 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 20:01:42,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:01:42,151 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:01:42,946 INFO L227 lantSequenceWeakener]: Weakened 69 states. On average, predicates are now at 74.74% of their original sizes. [2018-11-07 20:01:42,946 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:01:44,656 INFO L415 sIntCurrentIteration]: We unified 236 AI predicates to 236 [2018-11-07 20:01:44,657 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:01:44,658 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:01:44,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [6] total 25 [2018-11-07 20:01:44,658 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:01:44,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-07 20:01:44,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-07 20:01:44,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2018-11-07 20:01:44,660 INFO L87 Difference]: Start difference. First operand 2259 states and 3347 transitions. Second operand 21 states. [2018-11-07 20:02:12,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:02:12,041 INFO L93 Difference]: Finished difference Result 5290 states and 8031 transitions. [2018-11-07 20:02:12,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-11-07 20:02:12,042 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 237 [2018-11-07 20:02:12,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:02:12,063 INFO L225 Difference]: With dead ends: 5290 [2018-11-07 20:02:12,063 INFO L226 Difference]: Without dead ends: 3037 [2018-11-07 20:02:12,079 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 257 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=320, Invalid=1402, Unknown=0, NotChecked=0, Total=1722 [2018-11-07 20:02:12,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3037 states. [2018-11-07 20:02:12,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3037 to 2877. [2018-11-07 20:02:12,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2877 states. [2018-11-07 20:02:12,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2877 states to 2877 states and 4025 transitions. [2018-11-07 20:02:12,180 INFO L78 Accepts]: Start accepts. Automaton has 2877 states and 4025 transitions. Word has length 237 [2018-11-07 20:02:12,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:02:12,181 INFO L480 AbstractCegarLoop]: Abstraction has 2877 states and 4025 transitions. [2018-11-07 20:02:12,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-07 20:02:12,181 INFO L276 IsEmpty]: Start isEmpty. Operand 2877 states and 4025 transitions. [2018-11-07 20:02:12,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-07 20:02:12,192 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:02:12,192 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, 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, 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] [2018-11-07 20:02:12,193 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:02:12,193 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:12,193 INFO L82 PathProgramCache]: Analyzing trace with hash -2003197064, now seen corresponding path program 1 times [2018-11-07 20:02:12,194 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:02:12,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:12,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:02:12,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:12,198 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:02:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:02:12,764 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 20:02:12,765 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:02:12,765 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:02:12,765 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 247 with the following transitions: [2018-11-07 20:02:12,766 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], [221], [223], [226], [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], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:02:12,780 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:02:12,781 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:02:12,883 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:02:14,083 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:02:14,084 INFO L272 AbstractInterpreter]: Visited 134 different actions 774 times. Merged at 5 different actions 25 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 20:02:14,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:14,090 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:02:14,403 INFO L227 lantSequenceWeakener]: Weakened 243 states. On average, predicates are now at 73.08% of their original sizes. [2018-11-07 20:02:14,403 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:02:14,704 INFO L415 sIntCurrentIteration]: We unified 245 AI predicates to 245 [2018-11-07 20:02:14,704 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:02:14,705 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:02:14,705 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-07 20:02:14,705 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:02:14,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 20:02:14,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 20:02:14,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-07 20:02:14,706 INFO L87 Difference]: Start difference. First operand 2877 states and 4025 transitions. Second operand 10 states. [2018-11-07 20:02:22,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:02:22,497 INFO L93 Difference]: Finished difference Result 5900 states and 8488 transitions. [2018-11-07 20:02:22,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-07 20:02:22,497 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 246 [2018-11-07 20:02:22,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:02:22,514 INFO L225 Difference]: With dead ends: 5900 [2018-11-07 20:02:22,514 INFO L226 Difference]: Without dead ends: 3325 [2018-11-07 20:02:22,526 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 253 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-11-07 20:02:22,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2018-11-07 20:02:22,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3307. [2018-11-07 20:02:22,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3307 states. [2018-11-07 20:02:22,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3307 states to 3307 states and 4608 transitions. [2018-11-07 20:02:22,613 INFO L78 Accepts]: Start accepts. Automaton has 3307 states and 4608 transitions. Word has length 246 [2018-11-07 20:02:22,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:02:22,614 INFO L480 AbstractCegarLoop]: Abstraction has 3307 states and 4608 transitions. [2018-11-07 20:02:22,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 20:02:22,614 INFO L276 IsEmpty]: Start isEmpty. Operand 3307 states and 4608 transitions. [2018-11-07 20:02:22,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-07 20:02:22,626 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:02:22,626 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, 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, 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] [2018-11-07 20:02:22,626 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:02:22,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:22,627 INFO L82 PathProgramCache]: Analyzing trace with hash 593470960, now seen corresponding path program 1 times [2018-11-07 20:02:22,627 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:02:22,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:22,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:02:22,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:22,628 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:02:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:02:22,931 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 20:02:23,419 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 67 proven. 46 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-07 20:02:23,420 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:02:23,420 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:02:23,420 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 283 with the following transitions: [2018-11-07 20:02:23,421 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], [221], [223], [226], [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], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:02:23,431 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:02:23,432 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:02:23,543 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:02:23,672 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 20:02:23,673 INFO L272 AbstractInterpreter]: Visited 134 different actions 264 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 20:02:23,715 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:23,715 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 20:02:24,146 INFO L227 lantSequenceWeakener]: Weakened 94 states. On average, predicates are now at 76.03% of their original sizes. [2018-11-07 20:02:24,147 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 20:02:24,973 INFO L415 sIntCurrentIteration]: We unified 281 AI predicates to 281 [2018-11-07 20:02:24,973 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 20:02:24,974 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 20:02:24,974 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [6] total 27 [2018-11-07 20:02:24,974 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:02:24,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-07 20:02:24,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-07 20:02:24,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=399, Unknown=0, NotChecked=0, Total=506 [2018-11-07 20:02:24,975 INFO L87 Difference]: Start difference. First operand 3307 states and 4608 transitions. Second operand 23 states. [2018-11-07 20:02:48,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:02:48,993 INFO L93 Difference]: Finished difference Result 7994 states and 11679 transitions. [2018-11-07 20:02:48,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-11-07 20:02:48,994 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 282 [2018-11-07 20:02:48,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:02:49,017 INFO L225 Difference]: With dead ends: 7994 [2018-11-07 20:02:49,017 INFO L226 Difference]: Without dead ends: 4989 [2018-11-07 20:02:49,033 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 306 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 567 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=417, Invalid=1839, Unknown=0, NotChecked=0, Total=2256 [2018-11-07 20:02:49,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4989 states. [2018-11-07 20:02:49,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4989 to 4708. [2018-11-07 20:02:49,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4708 states. [2018-11-07 20:02:49,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4708 states to 4708 states and 6321 transitions. [2018-11-07 20:02:49,161 INFO L78 Accepts]: Start accepts. Automaton has 4708 states and 6321 transitions. Word has length 282 [2018-11-07 20:02:49,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:02:49,161 INFO L480 AbstractCegarLoop]: Abstraction has 4708 states and 6321 transitions. [2018-11-07 20:02:49,161 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-07 20:02:49,162 INFO L276 IsEmpty]: Start isEmpty. Operand 4708 states and 6321 transitions. [2018-11-07 20:02:49,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-07 20:02:49,178 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:02:49,179 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, 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, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:02:49,179 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:02:49,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:49,179 INFO L82 PathProgramCache]: Analyzing trace with hash 483133435, now seen corresponding path program 1 times [2018-11-07 20:02:49,180 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:02:49,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:49,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:02:49,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:49,181 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:02:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:02:49,530 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-11-07 20:02:49,739 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 175 proven. 72 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-07 20:02:49,740 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:02:49,740 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:02:49,740 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 320 with the following transitions: [2018-11-07 20:02:49,740 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], [221], [223], [226], [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], [506], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:02:49,746 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:02:49,747 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:02:49,787 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:02:50,872 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 20:02:50,873 INFO L272 AbstractInterpreter]: Visited 136 different actions 804 times. Merged at 8 different actions 48 times. Widened at 1 different actions 2 times. Found 10 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-07 20:02:50,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:50,878 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 20:02:50,879 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:02:50,879 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 20:02:50,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:02:50,889 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 20:02:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:02:51,028 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 20:02:51,485 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 289 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-07 20:02:51,485 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 20:02:52,273 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 175 proven. 72 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-07 20:02:52,294 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 20:02:52,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 15 [2018-11-07 20:02:52,295 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 20:02:52,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-07 20:02:52,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-07 20:02:52,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-11-07 20:02:52,296 INFO L87 Difference]: Start difference. First operand 4708 states and 6321 transitions. Second operand 14 states. [2018-11-07 20:02:53,333 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 30 [2018-11-07 20:02:59,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:02:59,008 INFO L93 Difference]: Finished difference Result 12955 states and 19269 transitions. [2018-11-07 20:02:59,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-07 20:02:59,015 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 319 [2018-11-07 20:02:59,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:02:59,042 INFO L225 Difference]: With dead ends: 12955 [2018-11-07 20:02:59,042 INFO L226 Difference]: Without dead ends: 3959 [2018-11-07 20:02:59,098 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 687 GetRequests, 651 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=335, Invalid=925, Unknown=0, NotChecked=0, Total=1260 [2018-11-07 20:02:59,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3959 states. [2018-11-07 20:02:59,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3959 to 3219. [2018-11-07 20:02:59,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3219 states. [2018-11-07 20:02:59,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3219 states to 3219 states and 3825 transitions. [2018-11-07 20:02:59,257 INFO L78 Accepts]: Start accepts. Automaton has 3219 states and 3825 transitions. Word has length 319 [2018-11-07 20:02:59,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:02:59,257 INFO L480 AbstractCegarLoop]: Abstraction has 3219 states and 3825 transitions. [2018-11-07 20:02:59,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-07 20:02:59,258 INFO L276 IsEmpty]: Start isEmpty. Operand 3219 states and 3825 transitions. [2018-11-07 20:02:59,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-11-07 20:02:59,272 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:02:59,273 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, 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, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:02:59,273 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:02:59,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:02:59,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1213395837, now seen corresponding path program 1 times [2018-11-07 20:02:59,274 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:02:59,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:59,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:02:59,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:02:59,275 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:02:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:03:00,010 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 289 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-07 20:03:00,010 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:03:00,010 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 20:03:00,011 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 356 with the following transitions: [2018-11-07 20:03:00,011 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], [221], [223], [226], [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], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 20:03:00,017 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 20:03:00,017 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 20:03:00,258 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 20:03:01,128 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 20:03:01,129 INFO L272 AbstractInterpreter]: Visited 136 different actions 535 times. Merged at 8 different actions 27 times. Never widened. Found 6 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-07 20:03:01,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:03:01,158 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 20:03:01,158 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 20:03:01,158 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 20:03:01,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:03:01,175 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 20:03:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:03:01,287 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 20:03:01,575 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 289 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-07 20:03:01,576 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 20:03:01,973 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-07 20:03:02,695 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 289 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-07 20:03:02,719 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 20:03:02,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-11-07 20:03:02,719 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 20:03:02,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 20:03:02,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 20:03:02,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-07 20:03:02,721 INFO L87 Difference]: Start difference. First operand 3219 states and 3825 transitions. Second operand 7 states. [2018-11-07 20:03:04,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:03:04,455 INFO L93 Difference]: Finished difference Result 6959 states and 8465 transitions. [2018-11-07 20:03:04,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-07 20:03:04,457 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 355 [2018-11-07 20:03:04,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:03:04,476 INFO L225 Difference]: With dead ends: 6959 [2018-11-07 20:03:04,476 INFO L226 Difference]: Without dead ends: 4042 [2018-11-07 20:03:04,481 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 723 GetRequests, 710 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2018-11-07 20:03:04,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4042 states. [2018-11-07 20:03:04,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4042 to 3679. [2018-11-07 20:03:04,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3679 states. [2018-11-07 20:03:04,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3679 states to 3679 states and 4389 transitions. [2018-11-07 20:03:04,605 INFO L78 Accepts]: Start accepts. Automaton has 3679 states and 4389 transitions. Word has length 355 [2018-11-07 20:03:04,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:03:04,605 INFO L480 AbstractCegarLoop]: Abstraction has 3679 states and 4389 transitions. [2018-11-07 20:03:04,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-07 20:03:04,606 INFO L276 IsEmpty]: Start isEmpty. Operand 3679 states and 4389 transitions. [2018-11-07 20:03:04,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2018-11-07 20:03:04,619 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 20:03:04,620 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 20:03:04,620 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 20:03:04,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 20:03:04,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1969901080, now seen corresponding path program 1 times [2018-11-07 20:03:04,621 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 20:03:04,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:03:04,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 20:03:04,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 20:03:04,622 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 20:03:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 20:03:04,976 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2018-11-07 20:03:05,066 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-11-07 20:03:05,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 20:03:05,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 20:03:05,067 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 20:03:05,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 20:03:05,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 20:03:05,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 20:03:05,068 INFO L87 Difference]: Start difference. First operand 3679 states and 4389 transitions. Second operand 4 states. [2018-11-07 20:03:06,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 20:03:06,874 INFO L93 Difference]: Finished difference Result 8378 states and 10455 transitions. [2018-11-07 20:03:06,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 20:03:06,882 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 368 [2018-11-07 20:03:06,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 20:03:06,883 INFO L225 Difference]: With dead ends: 8378 [2018-11-07 20:03:06,883 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 20:03:06,893 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 20:03:06,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 20:03:06,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 20:03:06,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 20:03:06,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 20:03:06,894 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 368 [2018-11-07 20:03:06,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 20:03:06,895 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 20:03:06,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 20:03:06,895 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 20:03:06,895 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 20:03:06,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 20:03:06,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,457 WARN L179 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 160 [2018-11-07 20:03:07,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 20:03:07,673 WARN L179 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 154 [2018-11-07 20:03:08,260 WARN L179 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 30 [2018-11-07 20:03:09,414 WARN L179 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 79 DAG size of output: 47 [2018-11-07 20:03:11,699 WARN L179 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 344 DAG size of output: 31 [2018-11-07 20:03:12,592 WARN L179 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 50 [2018-11-07 20:03:14,295 WARN L179 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 166 DAG size of output: 50 [2018-11-07 20:03:14,298 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 20:03:14,299 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)) [2018-11-07 20:03:14,299 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 20:03:14,299 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-07 20:03:14,299 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,299 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,299 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,300 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,303 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,303 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,303 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-07 20:03:14,303 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-07 20:03:14,303 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-07 20:03:14,304 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-07 20:03:14,304 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-07 20:03:14,304 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-07 20:03:14,304 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-07 20:03:14,304 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-07 20:03:14,304 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-07 20:03:14,304 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-07 20:03:14,304 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-07 20:03:14,305 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,305 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,305 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,305 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,305 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,305 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-07 20:03:14,305 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-07 20:03:14,305 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-07 20:03:14,306 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-07 20:03:14,307 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-07 20:03:14,307 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-07 20:03:14,307 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-07 20:03:14,307 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-07 20:03:14,308 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-07 20:03:14,308 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-07 20:03:14,308 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-07 20:03:14,308 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-07 20:03:14,308 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-07 20:03:14,308 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-07 20:03:14,308 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,308 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,308 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,309 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,309 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,309 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-07 20:03:14,309 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-07 20:03:14,309 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-07 20:03:14,309 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-07 20:03:14,309 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-07 20:03:14,309 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-07 20:03:14,310 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-07 20:03:14,310 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-07 20:03:14,310 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-07 20:03:14,310 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-07 20:03:14,310 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,310 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,310 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,310 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,310 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,311 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-07 20:03:14,312 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-07 20:03:14,312 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-07 20:03:14,312 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-07 20:03:14,312 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-07 20:03:14,312 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-07 20:03:14,312 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-07 20:03:14,312 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-07 20:03:14,312 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-07 20:03:14,313 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-07 20:03:14,315 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-07 20:03:14,316 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-07 20:03:14,316 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-07 20:03:14,316 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,316 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,316 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,316 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,316 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,316 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-07 20:03:14,317 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-07 20:03:14,317 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-07 20:03:14,317 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-07 20:03:14,317 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-07 20:03:14,317 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-07 20:03:14,317 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-07 20:03:14,317 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 103) no Hoare annotation was computed. [2018-11-07 20:03:14,317 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-07 20:03:14,318 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-07 20:03:14,318 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,318 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,318 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,318 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,318 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,318 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,318 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,318 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-07 20:03:14,319 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-07 20:03:14,319 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-07 20:03:14,319 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-07 20:03:14,319 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-07 20:03:14,319 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-07 20:03:14,319 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-07 20:03:14,319 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-07 20:03:14,319 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-07 20:03:14,320 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-07 20:03:14,320 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-07 20:03:14,320 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-07 20:03:14,320 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-07 20:03:14,320 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,320 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,320 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,320 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,320 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,320 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-07 20:03:14,321 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,322 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-07 20:03:14,322 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-07 20:03:14,322 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-07 20:03:14,322 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-07 20:03:14,322 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-07 20:03:14,323 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-07 20:03:14,323 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-07 20:03:14,323 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-07 20:03:14,323 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-07 20:03:14,323 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-07 20:03:14,323 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-07 20:03:14,323 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-07 20:03:14,323 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-07 20:03:14,324 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,324 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,324 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,324 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,324 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,324 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,324 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-07 20:03:14,324 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-07 20:03:14,324 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-07 20:03:14,325 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-07 20:03:14,325 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-07 20:03:14,325 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-07 20:03:14,325 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-07 20:03:14,325 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-07 20:03:14,325 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-07 20:03:14,325 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-07 20:03:14,325 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-07 20:03:14,327 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (not (= 14 ~a4~0))) (.cse1 (not (= 0 ~a12~0))) (.cse2 (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)))) (and (or (< 0 (+ |old(~a1~0)| 333899)) .cse0 .cse1 .cse2) (or (= 4 |old(~a10~0)|) .cse0 .cse1 .cse2) (or (or .cse0 .cse1 (= 6 |old(~a19~0)|)) .cse2))) [2018-11-07 20:03:14,327 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-07 20:03:14,327 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-07 20:03:14,327 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-07 20:03:14,327 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,328 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,328 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,328 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,328 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,328 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,328 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-07 20:03:14,328 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-07 20:03:14,328 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-07 20:03:14,329 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-07 20:03:14,329 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-07 20:03:14,329 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-07 20:03:14,329 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-07 20:03:14,329 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-07 20:03:14,329 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-07 20:03:14,329 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-07 20:03:14,329 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-07 20:03:14,329 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-07 20:03:14,330 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-07 20:03:14,330 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,330 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,330 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,330 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,330 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,330 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,330 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-07 20:03:14,330 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-07 20:03:14,331 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-07 20:03:14,331 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-07 20:03:14,331 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-07 20:03:14,331 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-07 20:03:14,331 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-07 20:03:14,331 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-07 20:03:14,331 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-07 20:03:14,331 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-07 20:03:14,331 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-07 20:03:14,332 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-07 20:03:14,332 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,332 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,332 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,332 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,332 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,332 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 574) no Hoare annotation was computed. [2018-11-07 20:03:14,332 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-07 20:03:14,332 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-07 20:03:14,333 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-07 20:03:14,333 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-07 20:03:14,333 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-07 20:03:14,333 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-07 20:03:14,333 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-07 20:03:14,333 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-07 20:03:14,333 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-07 20:03:14,333 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-07 20:03:14,333 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-07 20:03:14,334 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-07 20:03:14,334 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 20:03:14,334 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~inputF~0 6) (= ~inputC~0 3) (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~inputB~0 2) (= ~a1~0 23) (= ~inputE~0 5) (= ~a4~0 14) (= ~inputD~0 4)) [2018-11-07 20:03:14,334 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 20:03:14,334 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 20:03:14,334 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a10~0 |old(~a10~0)|) (= ~a1~0 23) (= ~a19~0 |old(~a19~0)|)) (not (= ~inputE~0 5)) (not (= 3 ~inputC~0)) (not (= |old(~a1~0)| 23)) (not (= ~a4~0 14)) (not (= 2 ~inputB~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 4 ~inputD~0)) (not (= |old(~a10~0)| 0)) (not (= ~inputF~0 6))) [2018-11-07 20:03:14,334 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-07 20:03:14,335 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (or (<= (+ ~a1~0 333899) 0) (not (= |old(~a1~0)| 23)) (not (= ~a19~0 6)) (not (= 0 ~a12~0)) (not (= 4 ~inputD~0)) (not (= ~inputE~0 5)) (not (= 3 ~inputC~0)) (not (= 4 ~a10~0)) (not (= ~a4~0 14)) (not (= 2 ~inputB~0)) (not (= |old(~a19~0)| 9)) (not (= |old(~a10~0)| 0)) (not (= ~inputF~0 6))) [2018-11-07 20:03:14,335 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-07 20:03:14,335 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-07 20:03:14,335 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-07 20:03:14,335 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (or (<= (+ ~a1~0 333899) 0) (not (= |old(~a1~0)| 23)) (not (= ~a19~0 6)) (not (= 0 ~a12~0)) (not (= 4 ~inputD~0)) (not (= ~inputE~0 5)) (not (= 3 ~inputC~0)) (not (= 4 ~a10~0)) (not (= ~a4~0 14)) (not (= 2 ~inputB~0)) (not (= |old(~a19~0)| 9)) (not (= |old(~a10~0)| 0)) (not (= ~inputF~0 6))) [2018-11-07 20:03:14,335 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-07 20:03:14,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:03:14 BoogieIcfgContainer [2018-11-07 20:03:14,352 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 20:03:14,353 INFO L168 Benchmark]: Toolchain (without parser) took 109322.12 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -719.8 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-11-07 20:03:14,354 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 20:03:14,355 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.52 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-07 20:03:14,356 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.47 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 713.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -792.6 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2018-11-07 20:03:14,358 INFO L168 Benchmark]: Boogie Preprocessor took 99.71 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 20:03:14,360 INFO L168 Benchmark]: RCFGBuilder took 3190.05 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 109.7 MB). Peak memory consumption was 109.7 MB. Max. memory is 7.1 GB. [2018-11-07 20:03:14,361 INFO L168 Benchmark]: TraceAbstraction took 105137.50 ms. Allocated memory was 2.2 GB in the beginning and 3.8 GB in the end (delta: 1.6 GB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: -68.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-11-07 20:03:14,369 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 731.52 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 158.47 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 713.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -792.6 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.71 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3190.05 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 109.7 MB). Peak memory consumption was 109.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 105137.50 ms. Allocated memory was 2.2 GB in the beginning and 3.8 GB in the end (delta: 1.6 GB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: -68.6 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 103]: 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: (((((((((((a1 + 333899 <= 0 || !(\old(a1) == 23)) || !(a19 == 6)) || !(0 == a12)) || !(4 == inputD)) || !(inputE == 5)) || !(3 == inputC)) || !(4 == a10)) || !(a4 == 14)) || !(2 == inputB)) || !(\old(a19) == 9)) || !(\old(a10) == 0)) || !(inputF == 6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 105.0s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 79.0s AutomataDifference, 0.0s DeadEndRemovalTime, 7.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1247 SDtfs, 9763 SDslu, 1811 SDs, 0 SdLazy, 14980 SolverSat, 2901 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.2s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 2250 GetRequests, 2086 SyntacticMatches, 7 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1263 ImplicationChecksByTransitivity, 8.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4708occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.3s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.99705962032986 AbsIntWeakeningRatio, 0.10236220472440945 AbsIntAvgWeakeningVarsNumRemoved, 17.833333333333332 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 9 MinimizatonAttempts, 1612 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 162 PreInvPairs, 264 NumberOfFragments, 272 HoareAnnotationTreeSize, 162 FomulaSimplifications, 23715 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 10068 FormulaSimplificationTreeSizeReductionInter, 6.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 2847 NumberOfCodeBlocks, 2847 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 3508 ConstructedInterpolants, 0 QuantifiedInterpolants, 3211363 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1100 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 2774/2976 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...