java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label00_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-25 00:04:09,908 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-25 00:04:09,910 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-25 00:04:09,926 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-25 00:04:09,927 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-25 00:04:09,929 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-25 00:04:09,932 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-25 00:04:09,935 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-25 00:04:09,938 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-25 00:04:09,939 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-25 00:04:09,946 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-25 00:04:09,946 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-25 00:04:09,948 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-25 00:04:09,952 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-25 00:04:09,956 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-25 00:04:09,957 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-25 00:04:09,958 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-25 00:04:09,961 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-25 00:04:09,963 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-25 00:04:09,968 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-25 00:04:09,971 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-25 00:04:09,974 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-25 00:04:09,979 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-25 00:04:09,995 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-25 00:04:10,026 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-25 00:04:10,026 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-25 00:04:10,027 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-25 00:04:10,027 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-25 00:04:10,027 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-25 00:04:10,028 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-25 00:04:10,028 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-25 00:04:10,028 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-25 00:04:10,028 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-25 00:04:10,028 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-25 00:04:10,028 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-25 00:04:10,029 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-25 00:04:10,029 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-25 00:04:10,029 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-25 00:04:10,030 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-25 00:04:10,030 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-25 00:04:10,030 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-25 00:04:10,030 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-25 00:04:10,031 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-25 00:04:10,031 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-25 00:04:10,031 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-25 00:04:10,031 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-25 00:04:10,031 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-25 00:04:10,032 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-25 00:04:10,032 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-25 00:04:10,032 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-25 00:04:10,032 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 00:04:10,032 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-25 00:04:10,033 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-25 00:04:10,033 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-25 00:04:10,033 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-25 00:04:10,033 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-25 00:04:10,033 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-25 00:04:10,034 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-25 00:04:10,034 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-25 00:04:10,034 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-25 00:04:10,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-25 00:04:10,112 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-25 00:04:10,118 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-25 00:04:10,120 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-25 00:04:10,120 INFO L276 PluginConnector]: CDTParser initialized [2018-10-25 00:04:10,121 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label00_true-unreach-call_false-termination.c [2018-10-25 00:04:10,191 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e03ed7c27/e32ac344dea6427e897e8f38cd94c908/FLAGc10c379b2 [2018-10-25 00:04:10,786 INFO L298 CDTParser]: Found 1 translation units. [2018-10-25 00:04:10,787 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label00_true-unreach-call_false-termination.c [2018-10-25 00:04:10,799 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e03ed7c27/e32ac344dea6427e897e8f38cd94c908/FLAGc10c379b2 [2018-10-25 00:04:10,829 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e03ed7c27/e32ac344dea6427e897e8f38cd94c908 [2018-10-25 00:04:10,842 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-25 00:04:10,844 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-25 00:04:10,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-25 00:04:10,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-25 00:04:10,850 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-25 00:04:10,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:04:10" (1/1) ... [2018-10-25 00:04:10,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@309cd1a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:10, skipping insertion in model container [2018-10-25 00:04:10,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:04:10" (1/1) ... [2018-10-25 00:04:10,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-25 00:04:10,921 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-25 00:04:11,395 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:04:11,404 INFO L189 MainTranslator]: Completed pre-run [2018-10-25 00:04:11,529 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:04:11,552 INFO L193 MainTranslator]: Completed translation [2018-10-25 00:04:11,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:11 WrapperNode [2018-10-25 00:04:11,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-25 00:04:11,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-25 00:04:11,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-25 00:04:11,554 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-25 00:04:11,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:11" (1/1) ... [2018-10-25 00:04:11,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:11" (1/1) ... [2018-10-25 00:04:11,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-25 00:04:11,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-25 00:04:11,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-25 00:04:11,765 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-25 00:04:11,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:11" (1/1) ... [2018-10-25 00:04:11,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:11" (1/1) ... [2018-10-25 00:04:11,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:11" (1/1) ... [2018-10-25 00:04:11,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:11" (1/1) ... [2018-10-25 00:04:11,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:11" (1/1) ... [2018-10-25 00:04:11,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:11" (1/1) ... [2018-10-25 00:04:11,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:11" (1/1) ... [2018-10-25 00:04:11,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-25 00:04:11,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-25 00:04:11,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-25 00:04:11,866 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-25 00:04:11,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 00:04:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-25 00:04:11,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-25 00:04:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-25 00:04:11,927 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-25 00:04:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-25 00:04:11,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-25 00:04:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-25 00:04:11,928 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-25 00:04:15,475 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-25 00:04:15,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:04:15 BoogieIcfgContainer [2018-10-25 00:04:15,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-25 00:04:15,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-25 00:04:15,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-25 00:04:15,481 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-25 00:04:15,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 12:04:10" (1/3) ... [2018-10-25 00:04:15,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72afe73b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:04:15, skipping insertion in model container [2018-10-25 00:04:15,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:11" (2/3) ... [2018-10-25 00:04:15,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72afe73b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:04:15, skipping insertion in model container [2018-10-25 00:04:15,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:04:15" (3/3) ... [2018-10-25 00:04:15,485 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label00_true-unreach-call_false-termination.c [2018-10-25 00:04:15,496 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-25 00:04:15,505 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-25 00:04:15,523 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-25 00:04:15,561 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-25 00:04:15,562 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-25 00:04:15,562 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-25 00:04:15,562 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-25 00:04:15,562 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-25 00:04:15,563 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-25 00:04:15,563 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-25 00:04:15,563 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-25 00:04:15,590 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-10-25 00:04:15,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-25 00:04:15,605 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:04:15,606 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:04:15,609 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:04:15,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:15,615 INFO L82 PathProgramCache]: Analyzing trace with hash 117916544, now seen corresponding path program 1 times [2018-10-25 00:04:15,618 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:04:15,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:15,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:04:15,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:15,666 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:04:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:04:16,239 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 00:04:16,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:04:16,340 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:04:16,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-25 00:04:16,341 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:04:16,348 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:04:16,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:04:16,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:04:16,369 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-10-25 00:04:17,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:04:17,894 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-10-25 00:04:17,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:04:17,897 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2018-10-25 00:04:17,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:04:17,918 INFO L225 Difference]: With dead ends: 618 [2018-10-25 00:04:17,918 INFO L226 Difference]: Without dead ends: 379 [2018-10-25 00:04:17,925 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:04:17,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-10-25 00:04:18,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-10-25 00:04:18,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-10-25 00:04:18,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 621 transitions. [2018-10-25 00:04:18,017 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 621 transitions. Word has length 122 [2018-10-25 00:04:18,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:04:18,018 INFO L481 AbstractCegarLoop]: Abstraction has 379 states and 621 transitions. [2018-10-25 00:04:18,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:04:18,019 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 621 transitions. [2018-10-25 00:04:18,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-25 00:04:18,025 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:04:18,025 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:04:18,026 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:04:18,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:18,026 INFO L82 PathProgramCache]: Analyzing trace with hash -735277163, now seen corresponding path program 1 times [2018-10-25 00:04:18,027 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:04:18,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:18,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:04:18,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:18,030 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:04:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:04:18,285 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:04:18,285 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:04:18,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 00:04:18,286 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:04:18,288 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:04:18,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:04:18,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 00:04:18,289 INFO L87 Difference]: Start difference. First operand 379 states and 621 transitions. Second operand 6 states. [2018-10-25 00:04:20,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:04:20,253 INFO L93 Difference]: Finished difference Result 1229 states and 2094 transitions. [2018-10-25 00:04:20,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-25 00:04:20,257 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2018-10-25 00:04:20,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:04:20,270 INFO L225 Difference]: With dead ends: 1229 [2018-10-25 00:04:20,270 INFO L226 Difference]: Without dead ends: 856 [2018-10-25 00:04:20,278 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-25 00:04:20,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2018-10-25 00:04:20,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 823. [2018-10-25 00:04:20,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2018-10-25 00:04:20,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1292 transitions. [2018-10-25 00:04:20,362 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1292 transitions. Word has length 138 [2018-10-25 00:04:20,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:04:20,362 INFO L481 AbstractCegarLoop]: Abstraction has 823 states and 1292 transitions. [2018-10-25 00:04:20,363 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:04:20,363 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1292 transitions. [2018-10-25 00:04:20,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-25 00:04:20,368 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:04:20,369 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:04:20,369 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:04:20,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:20,370 INFO L82 PathProgramCache]: Analyzing trace with hash 336904770, now seen corresponding path program 1 times [2018-10-25 00:04:20,370 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:04:20,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:20,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:04:20,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:20,372 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:04:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:04:20,854 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:04:20,855 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:04:20,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-25 00:04:20,855 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:04:20,856 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-25 00:04:20,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-25 00:04:20,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-25 00:04:20,857 INFO L87 Difference]: Start difference. First operand 823 states and 1292 transitions. Second operand 5 states. [2018-10-25 00:04:24,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:04:24,184 INFO L93 Difference]: Finished difference Result 1778 states and 2834 transitions. [2018-10-25 00:04:24,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-25 00:04:24,185 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2018-10-25 00:04:24,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:04:24,195 INFO L225 Difference]: With dead ends: 1778 [2018-10-25 00:04:24,195 INFO L226 Difference]: Without dead ends: 813 [2018-10-25 00:04:24,199 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-25 00:04:24,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2018-10-25 00:04:24,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 813. [2018-10-25 00:04:24,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 813 states. [2018-10-25 00:04:24,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1260 transitions. [2018-10-25 00:04:24,246 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1260 transitions. Word has length 149 [2018-10-25 00:04:24,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:04:24,246 INFO L481 AbstractCegarLoop]: Abstraction has 813 states and 1260 transitions. [2018-10-25 00:04:24,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-25 00:04:24,247 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1260 transitions. [2018-10-25 00:04:24,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-25 00:04:24,254 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:04:24,254 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:04:24,255 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:04:24,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:24,255 INFO L82 PathProgramCache]: Analyzing trace with hash 981001735, now seen corresponding path program 1 times [2018-10-25 00:04:24,256 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:04:24,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:24,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:04:24,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:24,257 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:04:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:04:24,538 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 61 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-25 00:04:24,538 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:04:24,539 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:04:24,540 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 191 with the following transitions: [2018-10-25 00:04:24,542 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [647], [649], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:04:24,592 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:04:24,593 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:04:25,222 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:04:25,224 INFO L272 AbstractInterpreter]: Visited 123 different actions 123 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-10-25 00:04:25,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:25,267 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:04:25,885 INFO L232 lantSequenceWeakener]: Weakened 179 states. On average, predicates are now at 80.95% of their original sizes. [2018-10-25 00:04:25,886 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:04:26,154 INFO L413 sIntCurrentIteration]: We have 189 unified AI predicates [2018-10-25 00:04:26,154 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:04:26,155 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:04:26,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-10-25 00:04:26,155 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:04:26,156 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:04:26,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:04:26,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 00:04:26,157 INFO L87 Difference]: Start difference. First operand 813 states and 1260 transitions. Second operand 6 states. [2018-10-25 00:04:35,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:04:35,595 INFO L93 Difference]: Finished difference Result 1770 states and 2737 transitions. [2018-10-25 00:04:35,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 00:04:35,596 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 190 [2018-10-25 00:04:35,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:04:35,601 INFO L225 Difference]: With dead ends: 1770 [2018-10-25 00:04:35,602 INFO L226 Difference]: Without dead ends: 963 [2018-10-25 00:04:35,604 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 190 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-25 00:04:35,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2018-10-25 00:04:35,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 960. [2018-10-25 00:04:35,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 960 states. [2018-10-25 00:04:35,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1414 transitions. [2018-10-25 00:04:35,632 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1414 transitions. Word has length 190 [2018-10-25 00:04:35,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:04:35,633 INFO L481 AbstractCegarLoop]: Abstraction has 960 states and 1414 transitions. [2018-10-25 00:04:35,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:04:35,633 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1414 transitions. [2018-10-25 00:04:35,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-25 00:04:35,638 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:04:35,638 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:04:35,639 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:04:35,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:35,639 INFO L82 PathProgramCache]: Analyzing trace with hash -473493464, now seen corresponding path program 1 times [2018-10-25 00:04:35,639 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:04:35,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:35,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:04:35,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:35,641 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:04:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:04:35,921 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 73 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-25 00:04:35,922 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:04:35,922 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:04:35,922 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 201 with the following transitions: [2018-10-25 00:04:35,923 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [647], [649], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:04:35,929 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:04:35,929 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:04:36,467 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:04:36,467 INFO L272 AbstractInterpreter]: Visited 127 different actions 378 times. Merged at 7 different actions 19 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-10-25 00:04:36,474 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:36,474 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:04:37,898 INFO L232 lantSequenceWeakener]: Weakened 7 states. On average, predicates are now at 82.94% of their original sizes. [2018-10-25 00:04:37,899 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:04:42,737 INFO L413 sIntCurrentIteration]: We have 199 unified AI predicates [2018-10-25 00:04:42,737 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:04:42,738 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:04:42,738 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 19 [2018-10-25 00:04:42,738 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:04:42,739 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-25 00:04:42,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-25 00:04:42,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-10-25 00:04:42,739 INFO L87 Difference]: Start difference. First operand 960 states and 1414 transitions. Second operand 12 states. [2018-10-25 00:04:54,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:04:54,218 INFO L93 Difference]: Finished difference Result 2873 states and 4188 transitions. [2018-10-25 00:04:54,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-25 00:04:54,219 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 200 [2018-10-25 00:04:54,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:04:54,228 INFO L225 Difference]: With dead ends: 2873 [2018-10-25 00:04:54,229 INFO L226 Difference]: Without dead ends: 1919 [2018-10-25 00:04:54,233 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 203 GetRequests, 34 SyntacticMatches, 155 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 755 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2018-10-25 00:04:54,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1919 states. [2018-10-25 00:04:54,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1919 to 1661. [2018-10-25 00:04:54,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1661 states. [2018-10-25 00:04:54,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1661 states and 2310 transitions. [2018-10-25 00:04:54,285 INFO L78 Accepts]: Start accepts. Automaton has 1661 states and 2310 transitions. Word has length 200 [2018-10-25 00:04:54,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:04:54,286 INFO L481 AbstractCegarLoop]: Abstraction has 1661 states and 2310 transitions. [2018-10-25 00:04:54,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-25 00:04:54,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1661 states and 2310 transitions. [2018-10-25 00:04:54,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-10-25 00:04:54,295 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:04:54,295 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-25 00:04:54,295 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:04:54,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:54,296 INFO L82 PathProgramCache]: Analyzing trace with hash -2044529010, now seen corresponding path program 1 times [2018-10-25 00:04:54,296 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:04:54,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:54,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:04:54,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:54,298 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:04:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:04:54,783 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 106 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-25 00:04:54,783 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:04:54,783 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:04:54,784 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 227 with the following transitions: [2018-10-25 00:04:54,787 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [647], [649], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:04:54,793 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:04:54,798 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:04:55,070 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:04:55,070 INFO L272 AbstractInterpreter]: Visited 127 different actions 248 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-10-25 00:04:55,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:55,076 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:04:55,427 INFO L232 lantSequenceWeakener]: Weakened 221 states. On average, predicates are now at 80.94% of their original sizes. [2018-10-25 00:04:55,427 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:04:55,511 INFO L413 sIntCurrentIteration]: We have 225 unified AI predicates [2018-10-25 00:04:55,511 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:04:55,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:04:55,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-10-25 00:04:55,512 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:04:55,512 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-25 00:04:55,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-25 00:04:55,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-25 00:04:55,513 INFO L87 Difference]: Start difference. First operand 1661 states and 2310 transitions. Second operand 10 states. [2018-10-25 00:05:02,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:05:02,791 INFO L93 Difference]: Finished difference Result 3774 states and 5254 transitions. [2018-10-25 00:05:02,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-25 00:05:02,791 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 226 [2018-10-25 00:05:02,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:05:02,803 INFO L225 Difference]: With dead ends: 3774 [2018-10-25 00:05:02,803 INFO L226 Difference]: Without dead ends: 2263 [2018-10-25 00:05:02,809 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 235 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-10-25 00:05:02,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2018-10-25 00:05:02,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 2259. [2018-10-25 00:05:02,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2259 states. [2018-10-25 00:05:02,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 2259 states and 2997 transitions. [2018-10-25 00:05:02,875 INFO L78 Accepts]: Start accepts. Automaton has 2259 states and 2997 transitions. Word has length 226 [2018-10-25 00:05:02,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:05:02,875 INFO L481 AbstractCegarLoop]: Abstraction has 2259 states and 2997 transitions. [2018-10-25 00:05:02,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-25 00:05:02,876 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 2997 transitions. [2018-10-25 00:05:02,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-10-25 00:05:02,885 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:05:02,885 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:05:02,886 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:05:02,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:02,886 INFO L82 PathProgramCache]: Analyzing trace with hash -591739514, now seen corresponding path program 1 times [2018-10-25 00:05:02,886 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:05:02,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:02,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:02,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:02,888 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:05:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:03,242 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 120 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:05:03,242 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:05:03,243 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:05:03,243 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 231 with the following transitions: [2018-10-25 00:05:03,243 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [647], [649], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:05:03,247 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:05:03,247 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:05:03,689 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:05:03,689 INFO L272 AbstractInterpreter]: Visited 130 different actions 383 times. Merged at 8 different actions 21 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-25 00:05:03,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:03,695 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:05:03,695 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:05:03,695 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:05:03,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:03,705 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:05:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:03,813 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:05:04,123 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:05:04,123 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:05:05,091 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:05:05,113 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:05:05,113 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 16 [2018-10-25 00:05:05,113 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:05:05,114 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-25 00:05:05,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-25 00:05:05,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-10-25 00:05:05,118 INFO L87 Difference]: Start difference. First operand 2259 states and 2997 transitions. Second operand 15 states. [2018-10-25 00:05:09,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:05:09,015 INFO L93 Difference]: Finished difference Result 4982 states and 6907 transitions. [2018-10-25 00:05:09,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-25 00:05:09,016 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 230 [2018-10-25 00:05:09,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:05:09,016 INFO L225 Difference]: With dead ends: 4982 [2018-10-25 00:05:09,016 INFO L226 Difference]: Without dead ends: 0 [2018-10-25 00:05:09,030 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 467 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=222, Invalid=534, Unknown=0, NotChecked=0, Total=756 [2018-10-25 00:05:09,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-25 00:05:09,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-25 00:05:09,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-25 00:05:09,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-25 00:05:09,031 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 230 [2018-10-25 00:05:09,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:05:09,031 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-25 00:05:09,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-25 00:05:09,031 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-25 00:05:09,032 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-25 00:05:09,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-25 00:05:09,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:09,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:09,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:09,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:09,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:09,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:10,184 WARN L179 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2018-10-25 00:05:10,463 WARN L179 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2018-10-25 00:05:11,143 WARN L179 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 58 [2018-10-25 00:05:11,386 WARN L179 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 80 [2018-10-25 00:05:11,887 WARN L179 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2018-10-25 00:05:11,890 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:05:11,891 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|)) [2018-10-25 00:05:11,891 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:05:11,891 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,891 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,891 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,891 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,891 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,891 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-10-25 00:05:11,892 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-10-25 00:05:11,892 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-10-25 00:05:11,892 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-10-25 00:05:11,892 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-10-25 00:05:11,892 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-10-25 00:05:11,892 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-10-25 00:05:11,892 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-10-25 00:05:11,892 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-10-25 00:05:11,892 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-10-25 00:05:11,893 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-10-25 00:05:11,893 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-10-25 00:05:11,893 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-10-25 00:05:11,893 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,893 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,893 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,893 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,893 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-10-25 00:05:11,894 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,894 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-10-25 00:05:11,894 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-10-25 00:05:11,894 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-10-25 00:05:11,894 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-10-25 00:05:11,894 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-10-25 00:05:11,895 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-10-25 00:05:11,895 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-10-25 00:05:11,895 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-10-25 00:05:11,895 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-10-25 00:05:11,895 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-10-25 00:05:11,895 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-10-25 00:05:11,895 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-10-25 00:05:11,896 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-10-25 00:05:11,896 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-10-25 00:05:11,896 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-10-25 00:05:11,896 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,896 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,896 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,896 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,896 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,896 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-10-25 00:05:11,897 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-10-25 00:05:11,897 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-10-25 00:05:11,897 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-10-25 00:05:11,897 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-10-25 00:05:11,897 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-10-25 00:05:11,897 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-10-25 00:05:11,897 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-10-25 00:05:11,897 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-10-25 00:05:11,898 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-10-25 00:05:11,898 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-10-25 00:05:11,898 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,898 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,898 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,898 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,898 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,898 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-10-25 00:05:11,899 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-10-25 00:05:11,899 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-10-25 00:05:11,899 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-10-25 00:05:11,899 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-10-25 00:05:11,899 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-10-25 00:05:11,899 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-10-25 00:05:11,899 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-10-25 00:05:11,899 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-10-25 00:05:11,900 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-10-25 00:05:11,900 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-10-25 00:05:11,900 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-10-25 00:05:11,900 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-10-25 00:05:11,900 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,900 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,900 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,900 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,901 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,901 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-10-25 00:05:11,901 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-10-25 00:05:11,901 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-10-25 00:05:11,901 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-10-25 00:05:11,901 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-10-25 00:05:11,901 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-10-25 00:05:11,901 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-10-25 00:05:11,901 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-10-25 00:05:11,902 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-10-25 00:05:11,902 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-10-25 00:05:11,902 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-10-25 00:05:11,902 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-10-25 00:05:11,902 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-10-25 00:05:11,902 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-10-25 00:05:11,902 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-10-25 00:05:11,902 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-10-25 00:05:11,902 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,903 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,903 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,903 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,903 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-10-25 00:05:11,903 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,903 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-10-25 00:05:11,903 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,903 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-10-25 00:05:11,903 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-10-25 00:05:11,904 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-10-25 00:05:11,904 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,904 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,904 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-10-25 00:05:11,904 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-10-25 00:05:11,904 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-10-25 00:05:11,904 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-10-25 00:05:11,904 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-10-25 00:05:11,905 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-10-25 00:05:11,905 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-10-25 00:05:11,905 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-10-25 00:05:11,905 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-10-25 00:05:11,905 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-10-25 00:05:11,905 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-10-25 00:05:11,905 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,905 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,905 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,906 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,906 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,906 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,906 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-10-25 00:05:11,906 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-10-25 00:05:11,906 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-10-25 00:05:11,906 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-10-25 00:05:11,906 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-10-25 00:05:11,907 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-10-25 00:05:11,907 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-10-25 00:05:11,907 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-10-25 00:05:11,907 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-10-25 00:05:11,907 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-10-25 00:05:11,907 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-10-25 00:05:11,907 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,907 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,907 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,908 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,908 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 517) no Hoare annotation was computed. [2018-10-25 00:05:11,908 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,908 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,908 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-10-25 00:05:11,908 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-10-25 00:05:11,908 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-10-25 00:05:11,909 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-10-25 00:05:11,909 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-10-25 00:05:11,909 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-10-25 00:05:11,909 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-10-25 00:05:11,909 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-10-25 00:05:11,909 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-10-25 00:05:11,909 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-10-25 00:05:11,910 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-10-25 00:05:11,910 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-10-25 00:05:11,910 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-10-25 00:05:11,910 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-10-25 00:05:11,910 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,910 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,910 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,911 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse1 (= |old(~a28~0)| ~a28~0)) (.cse2 (= |old(~a19~0)| ~a19~0)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse5 (= 7 ~a17~0)) (.cse6 (not (= 7 |old(~a17~0)|))) (.cse0 (not (= 1 ~a21~0))) (.cse7 (not (= 1 |old(~a19~0)|))) (.cse4 (= |old(~a17~0)| |old(~a28~0)|))) (and (or .cse0 (and .cse1 .cse2 .cse3 (= ~a17~0 |old(~a17~0)|)) (not (= |old(~a17~0)| 8))) (or .cse0 .cse4 (and .cse1 .cse2 .cse3 .cse5) .cse6) (or .cse0 (and (= 7 ~a28~0) (= 1 ~a11~0) .cse5 (= 1 ~a25~0) (= 1 ~a19~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a25~0)|)) .cse7 (not (= 1 |old(~a11~0)|)) .cse6) (or (or .cse0 .cse7 (= 0 |old(~a28~0)|) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (= |calculate_output_#in~input| 0) (not (= 0 |old(~a25~0)|))) .cse4 (= ~a25~0 0)))) [2018-10-25 00:05:11,911 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,911 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,911 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,911 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-10-25 00:05:11,911 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-10-25 00:05:11,911 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-10-25 00:05:11,912 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-10-25 00:05:11,912 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-10-25 00:05:11,912 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-10-25 00:05:11,912 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-10-25 00:05:11,912 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-10-25 00:05:11,912 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-10-25 00:05:11,912 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-10-25 00:05:11,912 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-10-25 00:05:11,913 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-10-25 00:05:11,913 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-10-25 00:05:11,913 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,913 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,913 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,913 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,913 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,913 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,913 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-10-25 00:05:11,914 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-10-25 00:05:11,914 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-10-25 00:05:11,914 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-10-25 00:05:11,914 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-10-25 00:05:11,914 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-10-25 00:05:11,914 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-10-25 00:05:11,914 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-10-25 00:05:11,914 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-10-25 00:05:11,914 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-10-25 00:05:11,915 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-10-25 00:05:11,915 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-10-25 00:05:11,915 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-10-25 00:05:11,915 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-10-25 00:05:11,915 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-10-25 00:05:11,915 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-10-25 00:05:11,915 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,915 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,915 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,915 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,915 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:11,915 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-10-25 00:05:11,916 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-10-25 00:05:11,916 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-10-25 00:05:11,916 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-10-25 00:05:11,916 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-10-25 00:05:11,916 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-10-25 00:05:11,916 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-10-25 00:05:11,916 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-10-25 00:05:11,916 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-10-25 00:05:11,916 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-10-25 00:05:11,916 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-10-25 00:05:11,916 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-10-25 00:05:11,916 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-10-25 00:05:11,916 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-10-25 00:05:11,916 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-10-25 00:05:11,916 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-10-25 00:05:11,917 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-10-25 00:05:11,917 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-10-25 00:05:11,917 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-10-25 00:05:11,917 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:05:11,917 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~z~0 26) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a~0 1) (= ~a19~0 1) (= ~a28~0 7)) [2018-10-25 00:05:11,917 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-25 00:05:11,917 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:05:11,917 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (and (= ~a25~0 0) (= ~a19~0 1) (= ~a11~0 |old(~a11~0)|) (= |old(~a28~0)| ~a28~0) (= ~a17~0 8)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-10-25 00:05:11,917 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-10-25 00:05:11,918 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse0 (= 7 ~a17~0))) (or (and (not (= ~a28~0 ~a17~0)) .cse0) (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (= |old(~a17~0)| ~a17~0) (and (= 1 ~a11~0) .cse0 (= 1 ~a25~0) (= 1 ~a19~0)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23)))) [2018-10-25 00:05:11,918 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-10-25 00:05:11,918 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-10-25 00:05:11,918 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= 7 ~a17~0))) (or (and (not (= ~a28~0 ~a17~0)) .cse0) (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (= |old(~a17~0)| ~a17~0) (and (= 1 ~a11~0) .cse0 (= 1 ~a25~0) (= 1 ~a19~0)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23)))) [2018-10-25 00:05:11,918 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-10-25 00:05:11,918 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-10-25 00:05:11,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 12:05:11 BoogieIcfgContainer [2018-10-25 00:05:11,932 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-25 00:05:11,933 INFO L168 Benchmark]: Toolchain (without parser) took 61090.08 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 3.3 GB in the end (delta: -1.9 GB). Peak memory consumption was 548.2 MB. Max. memory is 7.1 GB. [2018-10-25 00:05:11,934 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-25 00:05:11,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.87 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-25 00:05:11,935 INFO L168 Benchmark]: Boogie Procedure Inliner took 210.91 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 708.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -797.3 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2018-10-25 00:05:11,936 INFO L168 Benchmark]: Boogie Preprocessor took 100.89 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2018-10-25 00:05:11,937 INFO L168 Benchmark]: RCFGBuilder took 3610.40 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: 106.5 MB). Peak memory consumption was 106.5 MB. Max. memory is 7.1 GB. [2018-10-25 00:05:11,938 INFO L168 Benchmark]: TraceAbstraction took 56454.73 ms. Allocated memory was 2.2 GB in the beginning and 4.0 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 495.0 MB. Max. memory is 7.1 GB. [2018-10-25 00:05:11,943 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 707.87 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 210.91 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 708.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -797.3 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.89 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3610.40 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: 106.5 MB). Peak memory consumption was 106.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 56454.73 ms. Allocated memory was 2.2 GB in the beginning and 4.0 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 495.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 517]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((((((((!(a28 == a17) && 7 == a17) || !(\old(a11) == 0)) || !(v == 22)) || \old(a17) == a17) || (((1 == a11 && 7 == a17) && 1 == a25) && 1 == a19)) || !(u == 21)) || !(a21 == 1)) || !(y == 25)) || !(3 == c)) || !(\old(a25) == 0)) || !(\old(a28) == 7)) || !(a == 1)) || !(26 == z)) || !(1 == \old(a19))) || !(x == 24)) || !(8 == \old(a17))) || !(e == 5)) || !(d == 4)) || !(6 == f)) || !(w == 23) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 56.3s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 39.0s AutomataDifference, 0.0s DeadEndRemovalTime, 2.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1151 SDtfs, 6503 SDslu, 1447 SDs, 0 SdLazy, 9637 SolverSat, 1323 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.6s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1147 GetRequests, 912 SyntacticMatches, 161 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 979 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2259occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.0s AbstIntTime, 4 AbstIntIterations, 3 AbstIntStrong, 0.9975793483038468 AbsIntWeakeningRatio, 0.200652528548124 AbsIntAvgWeakeningVarsNumRemoved, 8.6884176182708 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 298 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 62 PreInvPairs, 106 NumberOfFragments, 460 HoareAnnotationTreeSize, 62 FomulaSimplifications, 7737 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6670 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1485 NumberOfCodeBlocks, 1485 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1706 ConstructedInterpolants, 0 QuantifiedInterpolants, 1010157 SizeOfPredicates, 1 NumberOfNonLiveVariables, 536 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 708/781 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...