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_label28_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-25 00:06:22,758 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-25 00:06:22,763 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-25 00:06:22,780 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-25 00:06:22,781 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-25 00:06:22,783 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-25 00:06:22,785 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-25 00:06:22,787 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-25 00:06:22,790 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-25 00:06:22,791 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-25 00:06:22,793 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-25 00:06:22,793 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-25 00:06:22,794 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-25 00:06:22,796 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-25 00:06:22,803 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-25 00:06:22,804 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-25 00:06:22,809 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-25 00:06:22,813 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-25 00:06:22,817 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-25 00:06:22,820 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-25 00:06:22,821 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-25 00:06:22,822 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-25 00:06:22,825 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-25 00:06:22,833 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 00:06:22,852 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-25 00:06:22,852 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-25 00:06:22,853 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-25 00:06:22,853 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-25 00:06:22,853 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-25 00:06:22,854 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-25 00:06:22,854 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-25 00:06:22,854 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-25 00:06:22,854 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-25 00:06:22,854 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-25 00:06:22,855 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-25 00:06:22,855 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-25 00:06:22,855 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-25 00:06:22,855 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-25 00:06:22,856 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-25 00:06:22,856 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-25 00:06:22,856 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-25 00:06:22,857 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-25 00:06:22,857 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-25 00:06:22,857 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-25 00:06:22,857 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-25 00:06:22,857 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-25 00:06:22,858 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-25 00:06:22,858 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-25 00:06:22,858 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-25 00:06:22,858 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-25 00:06:22,858 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 00:06:22,859 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-25 00:06:22,859 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-25 00:06:22,859 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-25 00:06:22,859 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-25 00:06:22,859 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-25 00:06:22,860 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-25 00:06:22,860 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-25 00:06:22,860 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-25 00:06:22,860 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-25 00:06:22,905 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-25 00:06:22,922 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-25 00:06:22,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-25 00:06:22,929 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-25 00:06:22,930 INFO L276 PluginConnector]: CDTParser initialized [2018-10-25 00:06:22,931 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c [2018-10-25 00:06:23,001 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/fad8184ff/a54d04c58c0f4801a9fb7a5fb366fb74/FLAG640e56b57 [2018-10-25 00:06:23,605 INFO L298 CDTParser]: Found 1 translation units. [2018-10-25 00:06:23,606 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c [2018-10-25 00:06:23,624 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/fad8184ff/a54d04c58c0f4801a9fb7a5fb366fb74/FLAG640e56b57 [2018-10-25 00:06:23,644 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/fad8184ff/a54d04c58c0f4801a9fb7a5fb366fb74 [2018-10-25 00:06:23,659 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-25 00:06:23,661 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-25 00:06:23,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-25 00:06:23,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-25 00:06:23,671 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-25 00:06:23,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:06:23" (1/1) ... [2018-10-25 00:06:23,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b447a6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:23, skipping insertion in model container [2018-10-25 00:06:23,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:06:23" (1/1) ... [2018-10-25 00:06:23,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-25 00:06:23,756 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-25 00:06:24,235 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:06:24,240 INFO L189 MainTranslator]: Completed pre-run [2018-10-25 00:06:24,337 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:06:24,369 INFO L193 MainTranslator]: Completed translation [2018-10-25 00:06:24,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:24 WrapperNode [2018-10-25 00:06:24,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-25 00:06:24,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-25 00:06:24,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-25 00:06:24,372 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-25 00:06:24,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:24" (1/1) ... [2018-10-25 00:06:24,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:24" (1/1) ... [2018-10-25 00:06:24,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-25 00:06:24,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-25 00:06:24,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-25 00:06:24,574 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-25 00:06:24,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:24" (1/1) ... [2018-10-25 00:06:24,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:24" (1/1) ... [2018-10-25 00:06:24,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:24" (1/1) ... [2018-10-25 00:06:24,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:24" (1/1) ... [2018-10-25 00:06:24,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:24" (1/1) ... [2018-10-25 00:06:24,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:24" (1/1) ... [2018-10-25 00:06:24,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:24" (1/1) ... [2018-10-25 00:06:24,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-25 00:06:24,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-25 00:06:24,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-25 00:06:24,657 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-25 00:06:24,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:24" (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 00:06:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-25 00:06:24,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-25 00:06:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-25 00:06:24,736 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-25 00:06:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-25 00:06:24,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-25 00:06:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-25 00:06:24,737 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-25 00:06:28,256 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-25 00:06:28,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:06:28 BoogieIcfgContainer [2018-10-25 00:06:28,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-25 00:06:28,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-25 00:06:28,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-25 00:06:28,268 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-25 00:06:28,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 12:06:23" (1/3) ... [2018-10-25 00:06:28,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c4ac4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:06:28, skipping insertion in model container [2018-10-25 00:06:28,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:24" (2/3) ... [2018-10-25 00:06:28,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c4ac4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:06:28, skipping insertion in model container [2018-10-25 00:06:28,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:06:28" (3/3) ... [2018-10-25 00:06:28,272 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label28_true-unreach-call_false-termination.c [2018-10-25 00:06:28,283 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-25 00:06:28,297 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-25 00:06:28,317 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-25 00:06:28,370 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-25 00:06:28,371 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-25 00:06:28,371 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-25 00:06:28,371 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-25 00:06:28,371 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-25 00:06:28,371 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-25 00:06:28,372 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-25 00:06:28,372 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-25 00:06:28,406 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-10-25 00:06:28,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-25 00:06:28,422 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:06:28,424 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:06:28,426 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:06:28,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:28,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1188010863, now seen corresponding path program 1 times [2018-10-25 00:06:28,436 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:06:28,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:28,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:06:28,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:28,499 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:06:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:06:29,128 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 00:06:29,130 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:06:29,131 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-25 00:06:29,131 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:06:29,141 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:06:29,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:06:29,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:06:29,161 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-10-25 00:06:31,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:06:31,140 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-10-25 00:06:31,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:06:31,142 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2018-10-25 00:06:31,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:06:31,162 INFO L225 Difference]: With dead ends: 618 [2018-10-25 00:06:31,162 INFO L226 Difference]: Without dead ends: 379 [2018-10-25 00:06:31,169 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:06:31,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-10-25 00:06:31,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-10-25 00:06:31,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-10-25 00:06:31,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 621 transitions. [2018-10-25 00:06:31,254 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 621 transitions. Word has length 131 [2018-10-25 00:06:31,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:06:31,255 INFO L481 AbstractCegarLoop]: Abstraction has 379 states and 621 transitions. [2018-10-25 00:06:31,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:06:31,255 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 621 transitions. [2018-10-25 00:06:31,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-25 00:06:31,263 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:06:31,264 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:06:31,264 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:06:31,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:31,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1256593146, now seen corresponding path program 1 times [2018-10-25 00:06:31,267 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:06:31,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:31,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:06:31,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:31,269 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:06:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:06:31,519 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 00:06:31,519 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:06:31,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 00:06:31,520 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:06:31,522 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:06:31,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:06:31,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 00:06:31,523 INFO L87 Difference]: Start difference. First operand 379 states and 621 transitions. Second operand 6 states. [2018-10-25 00:06:33,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:06:33,755 INFO L93 Difference]: Finished difference Result 1229 states and 2094 transitions. [2018-10-25 00:06:33,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-25 00:06:33,759 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-10-25 00:06:33,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:06:33,771 INFO L225 Difference]: With dead ends: 1229 [2018-10-25 00:06:33,771 INFO L226 Difference]: Without dead ends: 856 [2018-10-25 00:06:33,780 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 00:06:33,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2018-10-25 00:06:33,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 823. [2018-10-25 00:06:33,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2018-10-25 00:06:33,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1292 transitions. [2018-10-25 00:06:33,850 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1292 transitions. Word has length 147 [2018-10-25 00:06:33,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:06:33,850 INFO L481 AbstractCegarLoop]: Abstraction has 823 states and 1292 transitions. [2018-10-25 00:06:33,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:06:33,851 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1292 transitions. [2018-10-25 00:06:33,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-25 00:06:33,856 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:06:33,857 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:33,857 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:06:33,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:33,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1655989221, now seen corresponding path program 1 times [2018-10-25 00:06:33,858 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:06:33,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:33,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:06:33,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:33,859 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:06:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:06:34,106 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:06:34,106 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:06:34,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 00:06:34,107 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:06:34,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:06:34,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:06:34,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 00:06:34,108 INFO L87 Difference]: Start difference. First operand 823 states and 1292 transitions. Second operand 6 states. [2018-10-25 00:06:38,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:06:38,013 INFO L93 Difference]: Finished difference Result 2557 states and 4222 transitions. [2018-10-25 00:06:38,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 00:06:38,015 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 154 [2018-10-25 00:06:38,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:06:38,036 INFO L225 Difference]: With dead ends: 2557 [2018-10-25 00:06:38,036 INFO L226 Difference]: Without dead ends: 1740 [2018-10-25 00:06:38,046 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-25 00:06:38,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2018-10-25 00:06:38,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1682. [2018-10-25 00:06:38,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2018-10-25 00:06:38,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2540 transitions. [2018-10-25 00:06:38,141 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2540 transitions. Word has length 154 [2018-10-25 00:06:38,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:06:38,144 INFO L481 AbstractCegarLoop]: Abstraction has 1682 states and 2540 transitions. [2018-10-25 00:06:38,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:06:38,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2540 transitions. [2018-10-25 00:06:38,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-25 00:06:38,151 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:06:38,152 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:38,152 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:06:38,152 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:38,152 INFO L82 PathProgramCache]: Analyzing trace with hash -908866867, now seen corresponding path program 1 times [2018-10-25 00:06:38,152 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:06:38,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:38,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:06:38,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:38,154 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:06:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:06:38,554 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-25 00:06:38,555 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:06:38,555 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:06:38,556 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 157 with the following transitions: [2018-10-25 00:06:38,558 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:06:38,611 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:06:38,611 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:06:39,235 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:06:39,238 INFO L272 AbstractInterpreter]: Visited 132 different actions 132 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-10-25 00:06:39,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:39,274 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:06:39,763 INFO L232 lantSequenceWeakener]: Weakened 147 states. On average, predicates are now at 81.21% of their original sizes. [2018-10-25 00:06:39,765 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:06:40,020 INFO L413 sIntCurrentIteration]: We have 155 unified AI predicates [2018-10-25 00:06:40,020 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:06:40,021 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:06:40,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-10-25 00:06:40,022 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:06:40,022 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:06:40,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:06:40,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 00:06:40,023 INFO L87 Difference]: Start difference. First operand 1682 states and 2540 transitions. Second operand 6 states. [2018-10-25 00:06:49,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:06:49,912 INFO L93 Difference]: Finished difference Result 3506 states and 5281 transitions. [2018-10-25 00:06:49,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 00:06:49,913 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2018-10-25 00:06:49,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:06:49,923 INFO L225 Difference]: With dead ends: 3506 [2018-10-25 00:06:49,924 INFO L226 Difference]: Without dead ends: 1830 [2018-10-25 00:06:49,930 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 156 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-25 00:06:49,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1830 states. [2018-10-25 00:06:49,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1830 to 1827. [2018-10-25 00:06:49,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2018-10-25 00:06:49,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2692 transitions. [2018-10-25 00:06:49,983 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2692 transitions. Word has length 156 [2018-10-25 00:06:49,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:06:49,983 INFO L481 AbstractCegarLoop]: Abstraction has 1827 states and 2692 transitions. [2018-10-25 00:06:49,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:06:49,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2692 transitions. [2018-10-25 00:06:49,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-25 00:06:49,991 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:06:49,992 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:49,992 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:06:49,992 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:49,993 INFO L82 PathProgramCache]: Analyzing trace with hash 352439598, now seen corresponding path program 1 times [2018-10-25 00:06:49,993 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:06:49,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:49,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:06:49,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:49,995 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:06:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:06:50,370 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-25 00:06:50,370 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:06:50,370 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:06:50,370 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 167 with the following transitions: [2018-10-25 00:06:50,371 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:06:50,378 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:06:50,378 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:06:50,999 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:06:51,000 INFO L272 AbstractInterpreter]: Visited 136 different actions 405 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 00:06:51,007 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:51,007 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:06:52,152 INFO L232 lantSequenceWeakener]: Weakened 2 states. On average, predicates are now at 81.94% of their original sizes. [2018-10-25 00:06:52,153 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:06:56,456 INFO L413 sIntCurrentIteration]: We have 165 unified AI predicates [2018-10-25 00:06:56,457 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:06:56,457 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:06:56,457 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 19 [2018-10-25 00:06:56,458 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:06:56,458 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-25 00:06:56,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-25 00:06:56,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-10-25 00:06:56,460 INFO L87 Difference]: Start difference. First operand 1827 states and 2692 transitions. Second operand 12 states. [2018-10-25 00:07:09,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:09,684 INFO L93 Difference]: Finished difference Result 5086 states and 7444 transitions. [2018-10-25 00:07:09,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-25 00:07:09,684 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 166 [2018-10-25 00:07:09,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:09,702 INFO L225 Difference]: With dead ends: 5086 [2018-10-25 00:07:09,702 INFO L226 Difference]: Without dead ends: 3265 [2018-10-25 00:07:09,710 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 169 GetRequests, 27 SyntacticMatches, 128 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2018-10-25 00:07:09,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3265 states. [2018-10-25 00:07:09,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3265 to 3069. [2018-10-25 00:07:09,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3069 states. [2018-10-25 00:07:09,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3069 states to 3069 states and 4237 transitions. [2018-10-25 00:07:09,806 INFO L78 Accepts]: Start accepts. Automaton has 3069 states and 4237 transitions. Word has length 166 [2018-10-25 00:07:09,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:09,806 INFO L481 AbstractCegarLoop]: Abstraction has 3069 states and 4237 transitions. [2018-10-25 00:07:09,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-25 00:07:09,807 INFO L276 IsEmpty]: Start isEmpty. Operand 3069 states and 4237 transitions. [2018-10-25 00:07:09,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-25 00:07:09,817 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:09,818 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:07:09,818 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:09,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:09,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1685404542, now seen corresponding path program 1 times [2018-10-25 00:07:09,819 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:09,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:09,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:09,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:09,821 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:10,180 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-25 00:07:10,470 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:07:10,471 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:10,471 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:07:10,471 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2018-10-25 00:07:10,472 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:07:10,477 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:07:10,477 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:07:10,921 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:07:10,921 INFO L272 AbstractInterpreter]: Visited 136 different actions 403 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 00:07:10,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:10,924 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:07:10,924 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:10,924 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 00:07:10,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:10,932 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:07:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:11,030 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:07:11,213 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:07:11,213 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:07:11,488 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:07:11,510 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:07:11,510 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [10] total 11 [2018-10-25 00:07:11,510 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:07:11,511 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:07:11,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:07:11,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-10-25 00:07:11,511 INFO L87 Difference]: Start difference. First operand 3069 states and 4237 transitions. Second operand 3 states. [2018-10-25 00:07:13,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:13,618 INFO L93 Difference]: Finished difference Result 6977 states and 10062 transitions. [2018-10-25 00:07:13,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:07:13,625 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2018-10-25 00:07:13,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:13,648 INFO L225 Difference]: With dead ends: 6977 [2018-10-25 00:07:13,648 INFO L226 Difference]: Without dead ends: 4486 [2018-10-25 00:07:13,660 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 335 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-10-25 00:07:13,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2018-10-25 00:07:13,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 4449. [2018-10-25 00:07:13,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4449 states. [2018-10-25 00:07:13,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4449 states to 4449 states and 6166 transitions. [2018-10-25 00:07:13,801 INFO L78 Accepts]: Start accepts. Automaton has 4449 states and 6166 transitions. Word has length 168 [2018-10-25 00:07:13,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:13,802 INFO L481 AbstractCegarLoop]: Abstraction has 4449 states and 6166 transitions. [2018-10-25 00:07:13,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:07:13,802 INFO L276 IsEmpty]: Start isEmpty. Operand 4449 states and 6166 transitions. [2018-10-25 00:07:13,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-25 00:07:13,819 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:13,819 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:07:13,820 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:13,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:13,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1435560091, now seen corresponding path program 1 times [2018-10-25 00:07:13,821 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:13,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:13,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:13,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:13,822 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:14,238 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 74 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-25 00:07:14,239 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:14,239 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:07:14,239 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 198 with the following transitions: [2018-10-25 00:07:14,240 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:07:14,245 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:07:14,246 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:07:15,355 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:07:15,355 INFO L272 AbstractInterpreter]: Visited 137 different actions 412 times. Merged at 8 different actions 25 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 38 variables. [2018-10-25 00:07:15,386 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:15,386 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:07:15,386 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:15,386 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:07:15,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:15,400 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:07:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:15,497 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:07:15,998 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:07:15,999 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:07:16,251 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-10-25 00:07:17,100 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:07:17,136 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:07:17,136 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-10-25 00:07:17,136 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:07:17,137 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-25 00:07:17,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-25 00:07:17,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-10-25 00:07:17,138 INFO L87 Difference]: Start difference. First operand 4449 states and 6166 transitions. Second operand 9 states. [2018-10-25 00:07:21,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:21,953 INFO L93 Difference]: Finished difference Result 10052 states and 14342 transitions. [2018-10-25 00:07:21,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-10-25 00:07:21,954 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 197 [2018-10-25 00:07:21,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:21,974 INFO L225 Difference]: With dead ends: 10052 [2018-10-25 00:07:21,974 INFO L226 Difference]: Without dead ends: 4362 [2018-10-25 00:07:21,998 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 413 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=343, Invalid=1063, Unknown=0, NotChecked=0, Total=1406 [2018-10-25 00:07:22,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4362 states. [2018-10-25 00:07:22,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4362 to 4243. [2018-10-25 00:07:22,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4243 states. [2018-10-25 00:07:22,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4243 states to 4243 states and 5088 transitions. [2018-10-25 00:07:22,110 INFO L78 Accepts]: Start accepts. Automaton has 4243 states and 5088 transitions. Word has length 197 [2018-10-25 00:07:22,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:22,110 INFO L481 AbstractCegarLoop]: Abstraction has 4243 states and 5088 transitions. [2018-10-25 00:07:22,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-25 00:07:22,111 INFO L276 IsEmpty]: Start isEmpty. Operand 4243 states and 5088 transitions. [2018-10-25 00:07:22,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-25 00:07:22,125 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:22,126 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-25 00:07:22,126 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:22,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:22,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1061523824, now seen corresponding path program 1 times [2018-10-25 00:07:22,126 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:22,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:22,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:22,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:22,128 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:23,279 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 146 proven. 78 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-25 00:07:23,279 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:23,279 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:07:23,280 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 283 with the following transitions: [2018-10-25 00:07:23,280 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [56], [61], [63], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [336], [341], [343], [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], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:07:23,285 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:07:23,285 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:07:23,771 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:07:23,771 INFO L272 AbstractInterpreter]: Visited 139 different actions 409 times. Merged at 8 different actions 18 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-25 00:07:23,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:23,776 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:07:25,387 INFO L232 lantSequenceWeakener]: Weakened 101 states. On average, predicates are now at 81.77% of their original sizes. [2018-10-25 00:07:25,388 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:07:30,202 INFO L413 sIntCurrentIteration]: We have 281 unified AI predicates [2018-10-25 00:07:30,202 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:07:30,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:07:30,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [10] total 22 [2018-10-25 00:07:30,203 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:07:30,204 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-25 00:07:30,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-25 00:07:30,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2018-10-25 00:07:30,204 INFO L87 Difference]: Start difference. First operand 4243 states and 5088 transitions. Second operand 14 states. [2018-10-25 00:07:43,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:43,692 INFO L93 Difference]: Finished difference Result 9479 states and 11463 transitions. [2018-10-25 00:07:43,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-10-25 00:07:43,692 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 282 [2018-10-25 00:07:43,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:43,715 INFO L225 Difference]: With dead ends: 9479 [2018-10-25 00:07:43,715 INFO L226 Difference]: Without dead ends: 5923 [2018-10-25 00:07:43,725 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 289 GetRequests, 72 SyntacticMatches, 197 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1392 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=117, Invalid=345, Unknown=0, NotChecked=0, Total=462 [2018-10-25 00:07:43,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5923 states. [2018-10-25 00:07:43,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5923 to 5873. [2018-10-25 00:07:43,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5873 states. [2018-10-25 00:07:43,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5873 states to 5873 states and 6878 transitions. [2018-10-25 00:07:43,869 INFO L78 Accepts]: Start accepts. Automaton has 5873 states and 6878 transitions. Word has length 282 [2018-10-25 00:07:43,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:43,870 INFO L481 AbstractCegarLoop]: Abstraction has 5873 states and 6878 transitions. [2018-10-25 00:07:43,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-25 00:07:43,870 INFO L276 IsEmpty]: Start isEmpty. Operand 5873 states and 6878 transitions. [2018-10-25 00:07:43,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-10-25 00:07:43,889 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:43,889 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-25 00:07:43,889 INFO L424 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:43,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:43,890 INFO L82 PathProgramCache]: Analyzing trace with hash 237000291, now seen corresponding path program 1 times [2018-10-25 00:07:43,890 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:43,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:43,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:43,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:43,891 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:44,377 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 153 proven. 35 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-25 00:07:44,378 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:44,378 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:07:44,378 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 288 with the following transitions: [2018-10-25 00:07:44,378 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [56], [61], [63], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [336], [341], [343], [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], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:07:44,381 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:07:44,381 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:07:44,962 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:07:44,963 INFO L272 AbstractInterpreter]: Visited 140 different actions 559 times. Merged at 9 different actions 38 times. Widened at 1 different actions 2 times. Found 7 fixpoints after 5 different actions. Largest state had 38 variables. [2018-10-25 00:07:44,974 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:44,974 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:07:47,010 INFO L232 lantSequenceWeakener]: Weakened 2 states. On average, predicates are now at 81.94% of their original sizes. [2018-10-25 00:07:47,010 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:07:52,822 INFO L413 sIntCurrentIteration]: We have 286 unified AI predicates [2018-10-25 00:07:52,822 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:07:52,822 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:07:52,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [9] total 22 [2018-10-25 00:07:52,823 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:07:52,823 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-25 00:07:52,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-25 00:07:52,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2018-10-25 00:07:52,824 INFO L87 Difference]: Start difference. First operand 5873 states and 6878 transitions. Second operand 15 states. [2018-10-25 00:08:07,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:08:07,396 INFO L93 Difference]: Finished difference Result 11840 states and 14019 transitions. [2018-10-25 00:08:07,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-10-25 00:08:07,396 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 287 [2018-10-25 00:08:07,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:08:07,397 INFO L225 Difference]: With dead ends: 11840 [2018-10-25 00:08:07,397 INFO L226 Difference]: Without dead ends: 0 [2018-10-25 00:08:07,417 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 294 GetRequests, 55 SyntacticMatches, 218 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1673 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2018-10-25 00:08:07,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-25 00:08:07,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-25 00:08:07,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-25 00:08:07,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-25 00:08:07,418 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 287 [2018-10-25 00:08:07,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:08:07,418 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-25 00:08:07,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-25 00:08:07,419 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-25 00:08:07,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-25 00:08:07,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-25 00:08:08,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:08,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:08,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:08,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:08,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:08,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:08,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:08,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:08,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:08,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:08,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:08,995 WARN L179 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 183 [2018-10-25 00:08:09,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:09,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:09,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:09,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:09,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:09,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:09,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:09,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:09,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:09,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:09,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:09,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:09,371 WARN L179 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 182 [2018-10-25 00:08:10,331 WARN L179 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2018-10-25 00:08:11,017 WARN L179 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 77 [2018-10-25 00:08:15,289 WARN L179 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 316 DAG size of output: 108 [2018-10-25 00:08:16,088 WARN L179 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 86 [2018-10-25 00:08:16,760 WARN L179 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 86 [2018-10-25 00:08:16,763 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:08:16,763 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-10-25 00:08:16,763 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:08:16,763 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,763 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,763 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,763 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,764 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,764 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-10-25 00:08:16,764 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-10-25 00:08:16,764 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 544) no Hoare annotation was computed. [2018-10-25 00:08:16,764 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-10-25 00:08:16,764 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-10-25 00:08:16,764 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-10-25 00:08:16,764 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-10-25 00:08:16,764 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-10-25 00:08:16,764 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-10-25 00:08:16,764 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-10-25 00:08:16,764 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-10-25 00:08:16,765 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-10-25 00:08:16,765 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-10-25 00:08:16,765 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-10-25 00:08:16,765 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,765 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,765 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,765 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,765 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-10-25 00:08:16,766 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,766 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-10-25 00:08:16,766 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-10-25 00:08:16,767 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-10-25 00:08:16,767 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-10-25 00:08:16,767 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-10-25 00:08:16,767 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-10-25 00:08:16,767 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-10-25 00:08:16,767 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-10-25 00:08:16,767 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-10-25 00:08:16,767 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-10-25 00:08:16,768 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-10-25 00:08:16,768 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-10-25 00:08:16,768 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-10-25 00:08:16,768 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-10-25 00:08:16,768 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-10-25 00:08:16,768 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,768 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,768 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,768 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,769 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,769 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-10-25 00:08:16,769 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-10-25 00:08:16,769 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-10-25 00:08:16,769 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-10-25 00:08:16,769 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-10-25 00:08:16,769 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-10-25 00:08:16,770 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-10-25 00:08:16,770 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-10-25 00:08:16,770 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-10-25 00:08:16,770 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-10-25 00:08:16,770 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-10-25 00:08:16,770 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,770 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,770 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,770 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,771 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,771 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-10-25 00:08:16,771 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-10-25 00:08:16,771 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-10-25 00:08:16,771 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-10-25 00:08:16,771 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-10-25 00:08:16,771 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-10-25 00:08:16,771 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-10-25 00:08:16,772 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-10-25 00:08:16,772 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-10-25 00:08:16,772 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-10-25 00:08:16,772 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-10-25 00:08:16,772 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-10-25 00:08:16,772 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-10-25 00:08:16,772 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,772 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,772 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,773 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,773 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,773 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-10-25 00:08:16,773 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-10-25 00:08:16,773 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-10-25 00:08:16,773 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-10-25 00:08:16,773 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-10-25 00:08:16,773 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-10-25 00:08:16,773 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-10-25 00:08:16,773 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-10-25 00:08:16,774 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-10-25 00:08:16,774 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-10-25 00:08:16,774 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-10-25 00:08:16,774 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-10-25 00:08:16,774 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-10-25 00:08:16,774 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-10-25 00:08:16,774 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-10-25 00:08:16,774 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-10-25 00:08:16,774 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,775 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,775 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,775 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,775 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-10-25 00:08:16,775 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,775 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-10-25 00:08:16,775 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,775 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-10-25 00:08:16,775 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-10-25 00:08:16,776 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-10-25 00:08:16,776 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,776 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,776 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-10-25 00:08:16,776 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-10-25 00:08:16,776 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-10-25 00:08:16,776 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-10-25 00:08:16,776 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-10-25 00:08:16,776 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-10-25 00:08:16,776 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-10-25 00:08:16,777 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-10-25 00:08:16,777 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-10-25 00:08:16,777 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-10-25 00:08:16,777 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-10-25 00:08:16,777 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,777 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,777 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,777 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,778 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,778 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,778 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-10-25 00:08:16,778 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-10-25 00:08:16,778 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-10-25 00:08:16,778 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-10-25 00:08:16,778 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-10-25 00:08:16,778 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-10-25 00:08:16,779 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-10-25 00:08:16,779 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-10-25 00:08:16,779 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-10-25 00:08:16,779 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-10-25 00:08:16,779 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-10-25 00:08:16,779 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,779 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,779 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,779 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,780 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,780 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,780 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-10-25 00:08:16,780 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-10-25 00:08:16,780 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-10-25 00:08:16,780 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-10-25 00:08:16,780 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-10-25 00:08:16,780 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-10-25 00:08:16,781 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-10-25 00:08:16,781 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-10-25 00:08:16,781 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-10-25 00:08:16,781 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-10-25 00:08:16,781 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-10-25 00:08:16,781 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-10-25 00:08:16,781 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-10-25 00:08:16,781 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-10-25 00:08:16,781 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,782 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,782 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,782 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse0 (< 10 |old(~a28~0)|)) (.cse4 (<= ~a28~0 10)) (.cse13 (not (= ~a28~0 0))) (.cse14 (= ~a17~0 8)) (.cse9 (not (= 1 ~a21~0))) (.cse11 (= 0 |old(~a28~0)|)) (.cse10 (not (= 1 |old(~a19~0)|))) (.cse12 (not (= 8 |old(~a17~0)|))) (.cse7 (not (= 1 |old(~a25~0)|))) (.cse8 (= |old(~a11~0)| |old(~a19~0)|)) (.cse1 (<= ~a17~0 |old(~a17~0)|)) (.cse2 (= |old(~a19~0)| ~a19~0)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse5 (= ~a25~0 |old(~a25~0)|)) (.cse6 (< 7 |old(~a17~0)|))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5) .cse6) (or .cse7 .cse8 (or .cse9 .cse10 .cse11 .cse12) (and .cse3 (and .cse13 .cse14 (= ~a19~0 1)) .cse5)) (or .cse0 (and .cse2 .cse3 .cse4 .cse5 (and .cse13 .cse14)) (or .cse9 .cse11 .cse12)) (or (= ~a28~0 7) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) .cse10 (or (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (= |calculate_output_#in~input| 0) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= ~x~0 24)) .cse12 (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23)))) (or .cse7 .cse8 (and .cse1 .cse2 .cse3 .cse5) .cse6))) [2018-10-25 00:08:16,782 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,783 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,783 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,783 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-10-25 00:08:16,783 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-10-25 00:08:16,783 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-10-25 00:08:16,783 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-10-25 00:08:16,783 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-10-25 00:08:16,783 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-10-25 00:08:16,783 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-10-25 00:08:16,784 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-10-25 00:08:16,784 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-10-25 00:08:16,784 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-10-25 00:08:16,784 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-10-25 00:08:16,784 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-10-25 00:08:16,784 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-10-25 00:08:16,784 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,784 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,784 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,785 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,785 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,785 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,785 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-10-25 00:08:16,785 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-10-25 00:08:16,785 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-10-25 00:08:16,785 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-10-25 00:08:16,785 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-10-25 00:08:16,786 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-10-25 00:08:16,786 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-10-25 00:08:16,786 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-10-25 00:08:16,786 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-10-25 00:08:16,786 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-10-25 00:08:16,786 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-10-25 00:08:16,786 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-10-25 00:08:16,786 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-10-25 00:08:16,786 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-10-25 00:08:16,786 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-10-25 00:08:16,787 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-10-25 00:08:16,787 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,787 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,787 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,787 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,787 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:16,787 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-10-25 00:08:16,787 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-10-25 00:08:16,787 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-10-25 00:08:16,788 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-10-25 00:08:16,788 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-10-25 00:08:16,788 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-10-25 00:08:16,788 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-10-25 00:08:16,788 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-10-25 00:08:16,788 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-10-25 00:08:16,788 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-10-25 00:08:16,788 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-10-25 00:08:16,788 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-10-25 00:08:16,788 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-10-25 00:08:16,789 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-10-25 00:08:16,789 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-10-25 00:08:16,789 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-10-25 00:08:16,789 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-10-25 00:08:16,789 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-10-25 00:08:16,789 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-10-25 00:08:16,789 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:08:16,790 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 00:08:16,790 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-25 00:08:16,790 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:08:16,790 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)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (and (= ~a19~0 1) (= ~a28~0 7) (= ~a25~0 |old(~a25~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 8)) (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 00:08:16,790 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-10-25 00:08:16,790 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse0 (not (= ~a28~0 0))) (.cse1 (= ~a17~0 8)) (.cse2 (<= ~a28~0 10))) (or (and (= 1 ~a25~0) (and .cse0 .cse1 (= ~a19~0 1)) (not (= ~a19~0 ~a11~0))) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 1 |old(~a19~0)|)) (and .cse2 (and .cse0 .cse1)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (not (= 3 ~c~0)) (and (<= ~a17~0 7) .cse2) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0)))) [2018-10-25 00:08:16,791 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-10-25 00:08:16,791 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-10-25 00:08:16,791 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (= ~a28~0 0))) (.cse1 (= ~a17~0 8)) (.cse2 (<= ~a28~0 10))) (or (and (= 1 ~a25~0) (and .cse0 .cse1 (= ~a19~0 1)) (not (= ~a19~0 ~a11~0))) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 1 |old(~a19~0)|)) (and .cse2 (and .cse0 .cse1)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (not (= 3 ~c~0)) (and (<= ~a17~0 7) .cse2) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0)))) [2018-10-25 00:08:16,791 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-10-25 00:08:16,791 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-10-25 00:08:16,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 12:08:16 BoogieIcfgContainer [2018-10-25 00:08:16,805 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-25 00:08:16,806 INFO L168 Benchmark]: Toolchain (without parser) took 113146.47 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 2.9 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-10-25 00:08:16,807 INFO L168 Benchmark]: CDTParser took 0.24 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 00:08:16,808 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-25 00:08:16,808 INFO L168 Benchmark]: Boogie Procedure Inliner took 202.66 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -819.3 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-10-25 00:08:16,809 INFO L168 Benchmark]: Boogie Preprocessor took 81.98 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-25 00:08:16,810 INFO L168 Benchmark]: RCFGBuilder took 3601.18 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 103.5 MB). Peak memory consumption was 103.5 MB. Max. memory is 7.1 GB. [2018-10-25 00:08:16,811 INFO L168 Benchmark]: TraceAbstraction took 108546.34 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 2.9 GB in the end (delta: -735.4 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-10-25 00:08:16,816 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 708.34 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 202.66 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -819.3 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.98 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3601.18 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 103.5 MB). Peak memory consumption was 103.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 108546.34 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 2.9 GB in the end (delta: -735.4 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 544]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((((((((((1 == a25 && (!(a28 == 0) && a17 == 8) && a19 == 1) && !(a19 == a11)) || !(a21 == 1)) || !(y == 25)) || !(1 == \old(a19))) || (a28 <= 10 && !(a28 == 0) && a17 == 8)) || !(x == 24)) || !(e == 5)) || !(d == 4)) || !(21 == u)) || !(22 == v)) || !(\old(a11) == 0)) || !(z == 26)) || !(0 == \old(a25))) || !(3 == c)) || (a17 <= 7 && a28 <= 10)) || !(23 == w)) || !(\old(a28) == 7)) || !(a == 1)) || !(\old(a17) == 8)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 108.4s OverallTime, 9 OverallIterations, 6 TraceHistogramMax, 66.5s AutomataDifference, 0.0s DeadEndRemovalTime, 9.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1275 SDtfs, 7282 SDslu, 1453 SDs, 0 SdLazy, 14528 SolverSat, 1617 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.8s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1731 GetRequests, 1059 SyntacticMatches, 552 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4055 ImplicationChecksByTransitivity, 18.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5873occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.0s AbstIntTime, 6 AbstIntIterations, 4 AbstIntStrong, 0.9969173101146857 AbsIntWeakeningRatio, 0.19616685456595265 AbsIntAvgWeakeningVarsNumRemoved, 5.323562570462232 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 496 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 169 PreInvPairs, 291 NumberOfFragments, 572 HoareAnnotationTreeSize, 169 FomulaSimplifications, 48023 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 50161 FormulaSimplificationTreeSizeReductionInter, 7.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 2053 NumberOfCodeBlocks, 2053 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2405 ConstructedInterpolants, 0 QuantifiedInterpolants, 1029594 SizeOfPredicates, 2 NumberOfNonLiveVariables, 925 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 911/1087 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...