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-INT.epf -i ../../../trunk/examples/svcomp/loops/eureka_01_true-unreach-call.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 15:28:42,608 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 15:28:42,610 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 15:28:42,623 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 15:28:42,623 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 15:28:42,624 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 15:28:42,625 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 15:28:42,627 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 15:28:42,629 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 15:28:42,630 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 15:28:42,631 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 15:28:42,631 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 15:28:42,632 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 15:28:42,633 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 15:28:42,634 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 15:28:42,635 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 15:28:42,636 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 15:28:42,638 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 15:28:42,640 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 15:28:42,642 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 15:28:42,643 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 15:28:42,644 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 15:28:42,647 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 15:28:42,647 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 15:28:42,648 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 15:28:42,649 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 15:28:42,650 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 15:28:42,651 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 15:28:42,652 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 15:28:42,653 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 15:28:42,653 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 15:28:42,654 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 15:28:42,654 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 15:28:42,654 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 15:28:42,655 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 15:28:42,656 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 15:28:42,656 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf [2018-10-27 15:28:42,671 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 15:28:42,672 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 15:28:42,673 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 15:28:42,673 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 15:28:42,673 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 15:28:42,673 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 15:28:42,673 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 15:28:42,674 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 15:28:42,674 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 15:28:42,674 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 15:28:42,674 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 15:28:42,674 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 15:28:42,675 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 15:28:42,675 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 15:28:42,675 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 15:28:42,676 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 15:28:42,676 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 15:28:42,676 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 15:28:42,676 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 15:28:42,676 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 15:28:42,677 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 15:28:42,677 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 15:28:42,677 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 15:28:42,677 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 15:28:42,678 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 15:28:42,678 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 15:28:42,678 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 15:28:42,678 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 15:28:42,678 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 15:28:42,678 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 15:28:42,679 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 15:28:42,679 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 15:28:42,679 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 15:28:42,679 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 15:28:42,737 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 15:28:42,750 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 15:28:42,756 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 15:28:42,758 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 15:28:42,758 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 15:28:42,759 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loops/eureka_01_true-unreach-call.i [2018-10-27 15:28:42,835 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e7b8de6fd/59916aeb900d41d6ad1b95937e303e70/FLAG6811657f6 [2018-10-27 15:28:43,369 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 15:28:43,369 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/eureka_01_true-unreach-call.i [2018-10-27 15:28:43,388 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e7b8de6fd/59916aeb900d41d6ad1b95937e303e70/FLAG6811657f6 [2018-10-27 15:28:43,401 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e7b8de6fd/59916aeb900d41d6ad1b95937e303e70 [2018-10-27 15:28:43,412 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 15:28:43,414 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 15:28:43,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 15:28:43,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 15:28:43,419 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 15:28:43,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:28:43" (1/1) ... [2018-10-27 15:28:43,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a8effd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:43, skipping insertion in model container [2018-10-27 15:28:43,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:28:43" (1/1) ... [2018-10-27 15:28:43,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 15:28:43,457 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 15:28:43,652 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 15:28:43,656 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 15:28:43,699 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 15:28:43,721 INFO L193 MainTranslator]: Completed translation [2018-10-27 15:28:43,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:43 WrapperNode [2018-10-27 15:28:43,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 15:28:43,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 15:28:43,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 15:28:43,724 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 15:28:43,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:43" (1/1) ... [2018-10-27 15:28:43,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:43" (1/1) ... [2018-10-27 15:28:43,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 15:28:43,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 15:28:43,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 15:28:43,840 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 15:28:43,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:43" (1/1) ... [2018-10-27 15:28:43,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:43" (1/1) ... [2018-10-27 15:28:43,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:43" (1/1) ... [2018-10-27 15:28:43,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:43" (1/1) ... [2018-10-27 15:28:43,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:43" (1/1) ... [2018-10-27 15:28:43,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:43" (1/1) ... [2018-10-27 15:28:43,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:43" (1/1) ... [2018-10-27 15:28:43,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 15:28:43,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 15:28:43,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 15:28:43,941 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 15:28:43,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:43" (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 [2018-10-27 15:28:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 15:28:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 15:28:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 15:28:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 15:28:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 15:28:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 15:28:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-27 15:28:44,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-27 15:28:45,320 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 15:28:45,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:28:45 BoogieIcfgContainer [2018-10-27 15:28:45,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 15:28:45,322 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 15:28:45,322 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 15:28:45,326 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 15:28:45,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:28:43" (1/3) ... [2018-10-27 15:28:45,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e4f9b76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:28:45, skipping insertion in model container [2018-10-27 15:28:45,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:28:43" (2/3) ... [2018-10-27 15:28:45,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e4f9b76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:28:45, skipping insertion in model container [2018-10-27 15:28:45,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:28:45" (3/3) ... [2018-10-27 15:28:45,330 INFO L112 eAbstractionObserver]: Analyzing ICFG eureka_01_true-unreach-call.i [2018-10-27 15:28:45,340 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 15:28:45,349 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 15:28:45,367 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 15:28:45,404 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 15:28:45,404 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 15:28:45,404 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 15:28:45,404 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 15:28:45,404 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 15:28:45,405 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 15:28:45,405 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 15:28:45,406 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 15:28:45,426 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2018-10-27 15:28:45,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-27 15:28:45,434 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:28:45,435 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 15:28:45,438 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:28:45,445 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:28:45,446 INFO L82 PathProgramCache]: Analyzing trace with hash -1090382313, now seen corresponding path program 1 times [2018-10-27 15:28:45,449 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:28:45,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:28:45,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:28:45,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:28:45,507 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:28:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:28:45,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 15:28:45,704 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 15:28:45,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 15:28:45,705 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 15:28:45,717 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-27 15:28:45,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-27 15:28:45,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 15:28:45,744 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 2 states. [2018-10-27 15:28:45,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:28:45,778 INFO L93 Difference]: Finished difference Result 70 states and 94 transitions. [2018-10-27 15:28:45,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-27 15:28:45,781 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-10-27 15:28:45,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:28:45,793 INFO L225 Difference]: With dead ends: 70 [2018-10-27 15:28:45,796 INFO L226 Difference]: Without dead ends: 35 [2018-10-27 15:28:45,801 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 15:28:45,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-10-27 15:28:45,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-10-27 15:28:45,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-10-27 15:28:45,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2018-10-27 15:28:45,856 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 18 [2018-10-27 15:28:45,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:28:45,856 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2018-10-27 15:28:45,856 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-27 15:28:45,857 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2018-10-27 15:28:45,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-27 15:28:45,859 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:28:45,859 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] [2018-10-27 15:28:45,860 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:28:45,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:28:45,860 INFO L82 PathProgramCache]: Analyzing trace with hash -448793496, now seen corresponding path program 1 times [2018-10-27 15:28:45,861 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:28:45,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:28:45,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:28:45,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:28:45,863 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:28:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:28:46,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 15:28:46,105 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 15:28:46,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 15:28:46,106 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 15:28:46,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 15:28:46,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 15:28:46,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 15:28:46,114 INFO L87 Difference]: Start difference. First operand 35 states and 41 transitions. Second operand 3 states. [2018-10-27 15:28:46,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:28:46,448 INFO L93 Difference]: Finished difference Result 64 states and 76 transitions. [2018-10-27 15:28:46,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 15:28:46,449 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2018-10-27 15:28:46,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:28:46,450 INFO L225 Difference]: With dead ends: 64 [2018-10-27 15:28:46,452 INFO L226 Difference]: Without dead ends: 39 [2018-10-27 15:28:46,453 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 15:28:46,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-10-27 15:28:46,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2018-10-27 15:28:46,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-10-27 15:28:46,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2018-10-27 15:28:46,462 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 21 [2018-10-27 15:28:46,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:28:46,462 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2018-10-27 15:28:46,462 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 15:28:46,462 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2018-10-27 15:28:46,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-27 15:28:46,463 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:28:46,464 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 15:28:46,464 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:28:46,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:28:46,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1500559425, now seen corresponding path program 1 times [2018-10-27 15:28:46,465 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:28:46,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:28:46,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:28:46,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:28:46,466 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:28:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:28:46,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 15:28:46,654 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:28:46,654 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 15:28:46,655 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 26 with the following transitions: [2018-10-27 15:28:46,657 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [12], [14], [17], [21], [25], [29], [32], [58], [62], [65], [77], [81], [86], [96], [99], [101], [107], [108], [109], [111] [2018-10-27 15:28:46,693 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 15:28:46,694 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 15:28:46,889 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 15:28:46,891 INFO L272 AbstractInterpreter]: Visited 11 different actions 15 times. Merged at 3 different actions 3 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 48 variables. [2018-10-27 15:28:46,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:28:46,901 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 15:28:47,001 INFO L227 lantSequenceWeakener]: Weakened 10 states. On average, predicates are now at 91.25% of their original sizes. [2018-10-27 15:28:47,001 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 15:28:47,054 INFO L415 sIntCurrentIteration]: We unified 24 AI predicates to 24 [2018-10-27 15:28:47,056 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 15:28:47,057 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 15:28:47,057 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2018-10-27 15:28:47,058 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 15:28:47,058 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 15:28:47,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 15:28:47,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 15:28:47,059 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand 5 states. [2018-10-27 15:28:48,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:28:48,181 INFO L93 Difference]: Finished difference Result 72 states and 87 transitions. [2018-10-27 15:28:48,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 15:28:48,182 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-10-27 15:28:48,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:28:48,183 INFO L225 Difference]: With dead ends: 72 [2018-10-27 15:28:48,184 INFO L226 Difference]: Without dead ends: 43 [2018-10-27 15:28:48,187 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-10-27 15:28:48,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-10-27 15:28:48,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2018-10-27 15:28:48,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-10-27 15:28:48,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2018-10-27 15:28:48,200 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 25 [2018-10-27 15:28:48,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:28:48,200 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2018-10-27 15:28:48,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 15:28:48,202 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2018-10-27 15:28:48,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-27 15:28:48,204 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:28:48,205 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 15:28:48,205 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:28:48,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:28:48,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1612370840, now seen corresponding path program 1 times [2018-10-27 15:28:48,206 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:28:48,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:28:48,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:28:48,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:28:48,208 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:28:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:28:48,556 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 15:28:48,556 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:28:48,556 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 15:28:48,557 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 30 with the following transitions: [2018-10-27 15:28:48,557 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [12], [14], [17], [19], [21], [25], [29], [32], [58], [62], [65], [77], [81], [86], [96], [99], [101], [107], [108], [109], [111] [2018-10-27 15:28:48,561 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 15:28:48,561 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 15:28:48,712 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 15:28:48,712 INFO L272 AbstractInterpreter]: Visited 15 different actions 45 times. Merged at 4 different actions 20 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 2 different actions. Largest state had 48 variables. [2018-10-27 15:28:48,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:28:48,752 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 15:28:48,817 INFO L227 lantSequenceWeakener]: Weakened 17 states. On average, predicates are now at 79.41% of their original sizes. [2018-10-27 15:28:48,817 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 15:28:49,425 INFO L415 sIntCurrentIteration]: We unified 28 AI predicates to 28 [2018-10-27 15:28:49,425 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 15:28:49,425 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 15:28:49,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2018-10-27 15:28:49,426 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 15:28:49,426 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 15:28:49,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 15:28:49,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2018-10-27 15:28:49,430 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 9 states. [2018-10-27 15:28:50,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:28:50,689 INFO L93 Difference]: Finished difference Result 98 states and 118 transitions. [2018-10-27 15:28:50,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-27 15:28:50,689 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2018-10-27 15:28:50,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:28:50,692 INFO L225 Difference]: With dead ends: 98 [2018-10-27 15:28:50,693 INFO L226 Difference]: Without dead ends: 73 [2018-10-27 15:28:50,694 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=75, Invalid=107, Unknown=0, NotChecked=0, Total=182 [2018-10-27 15:28:50,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-10-27 15:28:50,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 60. [2018-10-27 15:28:50,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-10-27 15:28:50,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 68 transitions. [2018-10-27 15:28:50,709 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 68 transitions. Word has length 29 [2018-10-27 15:28:50,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:28:50,709 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 68 transitions. [2018-10-27 15:28:50,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 15:28:50,710 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2018-10-27 15:28:50,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-27 15:28:50,711 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:28:50,711 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 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] [2018-10-27 15:28:50,712 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:28:50,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:28:50,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1288211203, now seen corresponding path program 1 times [2018-10-27 15:28:50,712 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:28:50,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:28:50,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:28:50,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:28:50,714 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:28:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:28:51,070 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 15:28:51,070 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:28:51,070 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 15:28:51,071 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 52 with the following transitions: [2018-10-27 15:28:51,071 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [12], [14], [17], [19], [21], [25], [29], [32], [34], [38], [41], [54], [58], [62], [65], [67], [71], [73], [77], [81], [86], [96], [99], [101], [107], [108], [109], [111] [2018-10-27 15:28:51,075 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 15:28:51,078 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 15:28:51,188 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 15:28:51,189 INFO L272 AbstractInterpreter]: Visited 18 different actions 48 times. Merged at 4 different actions 20 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 2 different actions. Largest state had 55 variables. [2018-10-27 15:28:51,220 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:28:51,220 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 15:28:51,291 INFO L227 lantSequenceWeakener]: Weakened 25 states. On average, predicates are now at 58.5% of their original sizes. [2018-10-27 15:28:51,293 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 15:28:51,999 INFO L415 sIntCurrentIteration]: We unified 50 AI predicates to 50 [2018-10-27 15:28:52,000 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 15:28:52,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 15:28:52,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-10-27 15:28:52,000 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 15:28:52,001 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 15:28:52,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 15:28:52,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-10-27 15:28:52,002 INFO L87 Difference]: Start difference. First operand 60 states and 68 transitions. Second operand 10 states. [2018-10-27 15:28:53,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:28:53,476 INFO L93 Difference]: Finished difference Result 110 states and 125 transitions. [2018-10-27 15:28:53,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-27 15:28:53,477 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 51 [2018-10-27 15:28:53,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:28:53,478 INFO L225 Difference]: With dead ends: 110 [2018-10-27 15:28:53,478 INFO L226 Difference]: Without dead ends: 73 [2018-10-27 15:28:53,479 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=96, Invalid=144, Unknown=0, NotChecked=0, Total=240 [2018-10-27 15:28:53,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-10-27 15:28:53,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 62. [2018-10-27 15:28:53,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-10-27 15:28:53,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 70 transitions. [2018-10-27 15:28:53,491 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 70 transitions. Word has length 51 [2018-10-27 15:28:53,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:28:53,491 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 70 transitions. [2018-10-27 15:28:53,492 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 15:28:53,492 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2018-10-27 15:28:53,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-27 15:28:53,494 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:28:53,494 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 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] [2018-10-27 15:28:53,494 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:28:53,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:28:53,495 INFO L82 PathProgramCache]: Analyzing trace with hash -425294966, now seen corresponding path program 1 times [2018-10-27 15:28:53,495 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:28:53,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:28:53,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:28:53,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:28:53,496 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:28:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:28:53,702 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-27 15:28:53,702 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:28:53,702 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 15:28:53,703 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 56 with the following transitions: [2018-10-27 15:28:53,703 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [12], [14], [17], [19], [21], [25], [29], [32], [34], [38], [41], [43], [48], [50], [54], [58], [62], [65], [67], [71], [73], [77], [81], [86], [96], [99], [101], [107], [108], [109], [111] [2018-10-27 15:28:53,711 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 15:28:53,711 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 15:28:54,076 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 15:28:54,076 INFO L272 AbstractInterpreter]: Visited 35 different actions 206 times. Merged at 16 different actions 132 times. Widened at 4 different actions 19 times. Found 11 fixpoints after 5 different actions. Largest state had 61 variables. [2018-10-27 15:28:54,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:28:54,108 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 15:28:54,108 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:28:54,108 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 [2018-10-27 15:28:54,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:28:54,120 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 15:28:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:28:54,197 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 15:28:54,418 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-27 15:28:54,418 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 15:28:54,863 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-27 15:28:54,894 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 15:28:54,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2018-10-27 15:28:54,895 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 15:28:54,896 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 15:28:54,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 15:28:54,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=46, Unknown=0, NotChecked=0, Total=90 [2018-10-27 15:28:54,897 INFO L87 Difference]: Start difference. First operand 62 states and 70 transitions. Second operand 8 states. [2018-10-27 15:28:55,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:28:55,122 INFO L93 Difference]: Finished difference Result 121 states and 138 transitions. [2018-10-27 15:28:55,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 15:28:55,123 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 55 [2018-10-27 15:28:55,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:28:55,124 INFO L225 Difference]: With dead ends: 121 [2018-10-27 15:28:55,124 INFO L226 Difference]: Without dead ends: 75 [2018-10-27 15:28:55,125 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 105 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=44, Invalid=46, Unknown=0, NotChecked=0, Total=90 [2018-10-27 15:28:55,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-10-27 15:28:55,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 66. [2018-10-27 15:28:55,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-10-27 15:28:55,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 75 transitions. [2018-10-27 15:28:55,137 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 75 transitions. Word has length 55 [2018-10-27 15:28:55,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:28:55,138 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 75 transitions. [2018-10-27 15:28:55,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 15:28:55,138 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 75 transitions. [2018-10-27 15:28:55,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-27 15:28:55,140 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:28:55,140 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-27 15:28:55,140 INFO L424 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:28:55,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:28:55,141 INFO L82 PathProgramCache]: Analyzing trace with hash -838188767, now seen corresponding path program 2 times [2018-10-27 15:28:55,141 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:28:55,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:28:55,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:28:55,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:28:55,142 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:28:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:28:55,347 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-27 15:28:55,347 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:28:55,347 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 15:28:55,348 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 15:28:55,348 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 15:28:55,348 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:28:55,348 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 [2018-10-27 15:28:55,364 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-27 15:28:55,364 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-10-27 15:28:55,581 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-10-27 15:28:55,582 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-27 15:28:55,586 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 15:28:55,653 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-10-27 15:28:55,654 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 15:28:55,708 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-10-27 15:28:55,731 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-10-27 15:28:55,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [7, 4] total 11 [2018-10-27 15:28:55,731 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 15:28:55,732 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 15:28:55,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 15:28:55,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-10-27 15:28:55,732 INFO L87 Difference]: Start difference. First operand 66 states and 75 transitions. Second operand 4 states. [2018-10-27 15:28:55,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:28:55,885 INFO L93 Difference]: Finished difference Result 106 states and 122 transitions. [2018-10-27 15:28:55,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 15:28:55,886 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2018-10-27 15:28:55,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:28:55,887 INFO L225 Difference]: With dead ends: 106 [2018-10-27 15:28:55,887 INFO L226 Difference]: Without dead ends: 72 [2018-10-27 15:28:55,888 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-10-27 15:28:55,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-10-27 15:28:55,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68. [2018-10-27 15:28:55,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-10-27 15:28:55,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 77 transitions. [2018-10-27 15:28:55,899 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 77 transitions. Word has length 59 [2018-10-27 15:28:55,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:28:55,899 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 77 transitions. [2018-10-27 15:28:55,899 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 15:28:55,899 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 77 transitions. [2018-10-27 15:28:55,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-27 15:28:55,901 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:28:55,901 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 15:28:55,901 INFO L424 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:28:55,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:28:55,901 INFO L82 PathProgramCache]: Analyzing trace with hash -348759238, now seen corresponding path program 3 times [2018-10-27 15:28:55,901 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:28:55,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:28:55,903 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 15:28:55,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:28:55,903 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:28:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:28:56,130 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-27 15:28:56,131 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:28:56,131 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 15:28:56,131 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 15:28:56,131 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 15:28:56,132 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:28:56,132 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 15:28:56,149 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-27 15:28:56,150 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-10-27 15:28:56,199 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-27 15:28:56,199 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-27 15:28:56,203 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 15:28:56,277 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-10-27 15:28:56,277 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 15:28:56,345 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-10-27 15:28:56,366 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-27 15:28:56,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [7] total 9 [2018-10-27 15:28:56,367 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 15:28:56,367 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 15:28:56,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 15:28:56,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-27 15:28:56,368 INFO L87 Difference]: Start difference. First operand 68 states and 77 transitions. Second operand 4 states. [2018-10-27 15:28:56,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:28:56,537 INFO L93 Difference]: Finished difference Result 123 states and 140 transitions. [2018-10-27 15:28:56,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 15:28:56,538 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2018-10-27 15:28:56,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:28:56,541 INFO L225 Difference]: With dead ends: 123 [2018-10-27 15:28:56,541 INFO L226 Difference]: Without dead ends: 68 [2018-10-27 15:28:56,543 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 123 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-27 15:28:56,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-10-27 15:28:56,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-10-27 15:28:56,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-10-27 15:28:56,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2018-10-27 15:28:56,554 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 75 transitions. Word has length 63 [2018-10-27 15:28:56,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:28:56,557 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 75 transitions. [2018-10-27 15:28:56,557 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 15:28:56,557 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2018-10-27 15:28:56,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-27 15:28:56,558 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:28:56,563 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 15:28:56,564 INFO L424 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:28:56,564 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:28:56,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1917621948, now seen corresponding path program 4 times [2018-10-27 15:28:56,564 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:28:56,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:28:56,565 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 15:28:56,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:28:56,566 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:28:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:28:56,939 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-27 15:28:56,940 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:28:56,940 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 15:28:56,940 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 15:28:56,940 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 15:28:56,940 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:28:56,940 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 15:28:56,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:28:56,949 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 15:28:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:28:57,007 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 15:28:57,306 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-27 15:28:57,306 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 15:28:57,357 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-27 15:28:57,379 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 15:28:57,379 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2018-10-27 15:28:57,379 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 15:28:57,380 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 15:28:57,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 15:28:57,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=58, Unknown=0, NotChecked=0, Total=110 [2018-10-27 15:28:57,381 INFO L87 Difference]: Start difference. First operand 68 states and 75 transitions. Second operand 10 states. [2018-10-27 15:28:57,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:28:57,549 INFO L93 Difference]: Finished difference Result 122 states and 136 transitions. [2018-10-27 15:28:57,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 15:28:57,549 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 63 [2018-10-27 15:28:57,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:28:57,551 INFO L225 Difference]: With dead ends: 122 [2018-10-27 15:28:57,551 INFO L226 Difference]: Without dead ends: 74 [2018-10-27 15:28:57,552 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 119 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=52, Invalid=58, Unknown=0, NotChecked=0, Total=110 [2018-10-27 15:28:57,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-10-27 15:28:57,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2018-10-27 15:28:57,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-10-27 15:28:57,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 79 transitions. [2018-10-27 15:28:57,561 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 79 transitions. Word has length 63 [2018-10-27 15:28:57,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:28:57,561 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 79 transitions. [2018-10-27 15:28:57,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 15:28:57,562 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 79 transitions. [2018-10-27 15:28:57,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-27 15:28:57,563 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:28:57,563 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 3, 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] [2018-10-27 15:28:57,564 INFO L424 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:28:57,564 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:28:57,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1817610283, now seen corresponding path program 5 times [2018-10-27 15:28:57,564 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:28:57,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:28:57,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:28:57,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:28:57,565 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:28:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:28:57,732 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-27 15:28:57,733 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:28:57,733 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 15:28:57,733 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 15:28:57,733 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 15:28:57,733 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:28:57,733 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 15:28:57,741 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-27 15:28:57,741 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-10-27 15:28:58,011 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-10-27 15:28:58,011 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-27 15:28:58,017 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 15:28:58,098 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-27 15:28:58,098 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 15:28:58,205 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-27 15:28:58,227 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 15:28:58,227 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2018-10-27 15:28:58,227 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 15:28:58,228 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-27 15:28:58,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-27 15:28:58,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2018-10-27 15:28:58,228 INFO L87 Difference]: Start difference. First operand 72 states and 79 transitions. Second operand 11 states. [2018-10-27 15:28:58,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:28:58,602 INFO L93 Difference]: Finished difference Result 185 states and 214 transitions. [2018-10-27 15:28:58,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 15:28:58,602 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 67 [2018-10-27 15:28:58,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:28:58,604 INFO L225 Difference]: With dead ends: 185 [2018-10-27 15:28:58,604 INFO L226 Difference]: Without dead ends: 137 [2018-10-27 15:28:58,606 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 127 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=105, Unknown=0, NotChecked=0, Total=182 [2018-10-27 15:28:58,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-10-27 15:28:58,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 103. [2018-10-27 15:28:58,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-10-27 15:28:58,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 116 transitions. [2018-10-27 15:28:58,628 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 116 transitions. Word has length 67 [2018-10-27 15:28:58,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:28:58,629 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 116 transitions. [2018-10-27 15:28:58,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-27 15:28:58,635 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 116 transitions. [2018-10-27 15:28:58,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-27 15:28:58,636 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:28:58,637 INFO L375 BasicCegarLoop]: trace histogram [10, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 15:28:58,637 INFO L424 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:28:58,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:28:58,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1269599739, now seen corresponding path program 6 times [2018-10-27 15:28:58,637 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:28:58,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:28:58,641 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 15:28:58,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:28:58,641 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:28:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:28:58,949 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 50 proven. 2 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-10-27 15:28:58,949 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:28:58,949 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 15:28:58,949 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 15:28:58,950 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 15:28:58,951 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:28:58,951 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 15:28:58,967 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-27 15:28:58,968 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-10-27 15:28:59,042 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-27 15:28:59,042 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-27 15:28:59,051 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 15:28:59,453 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 24 proven. 42 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-10-27 15:28:59,454 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 15:28:59,521 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 24 proven. 42 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-10-27 15:28:59,545 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 15:28:59,545 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 12 [2018-10-27 15:28:59,545 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 15:28:59,546 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 15:28:59,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 15:28:59,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-10-27 15:28:59,546 INFO L87 Difference]: Start difference. First operand 103 states and 116 transitions. Second operand 10 states. [2018-10-27 15:29:00,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:29:00,027 INFO L93 Difference]: Finished difference Result 199 states and 237 transitions. [2018-10-27 15:29:00,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 15:29:00,028 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 98 [2018-10-27 15:29:00,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:29:00,029 INFO L225 Difference]: With dead ends: 199 [2018-10-27 15:29:00,029 INFO L226 Difference]: Without dead ends: 133 [2018-10-27 15:29:00,030 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 187 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2018-10-27 15:29:00,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-10-27 15:29:00,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 123. [2018-10-27 15:29:00,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-10-27 15:29:00,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 141 transitions. [2018-10-27 15:29:00,055 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 141 transitions. Word has length 98 [2018-10-27 15:29:00,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:29:00,055 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 141 transitions. [2018-10-27 15:29:00,055 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 15:29:00,056 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 141 transitions. [2018-10-27 15:29:00,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-27 15:29:00,063 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:29:00,064 INFO L375 BasicCegarLoop]: trace histogram [15, 10, 10, 10, 6, 6, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 15:29:00,064 INFO L424 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:29:00,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:29:00,064 INFO L82 PathProgramCache]: Analyzing trace with hash 744309214, now seen corresponding path program 7 times [2018-10-27 15:29:00,064 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:29:00,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:29:00,065 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 15:29:00,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:29:00,066 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:29:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:29:00,515 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 114 proven. 8 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2018-10-27 15:29:00,516 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:29:00,516 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 15:29:00,516 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 15:29:00,516 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 15:29:00,516 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:29:00,517 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 15:29:00,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:29:00,530 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 15:29:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:29:00,614 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 15:29:00,727 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 114 proven. 8 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2018-10-27 15:29:00,728 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 15:29:00,788 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 114 proven. 8 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2018-10-27 15:29:00,810 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 15:29:00,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2018-10-27 15:29:00,810 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 15:29:00,810 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 15:29:00,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 15:29:00,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=89, Unknown=0, NotChecked=0, Total=156 [2018-10-27 15:29:00,811 INFO L87 Difference]: Start difference. First operand 123 states and 141 transitions. Second operand 9 states. [2018-10-27 15:29:01,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:29:01,158 INFO L93 Difference]: Finished difference Result 235 states and 282 transitions. [2018-10-27 15:29:01,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 15:29:01,158 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 118 [2018-10-27 15:29:01,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:29:01,160 INFO L225 Difference]: With dead ends: 235 [2018-10-27 15:29:01,161 INFO L226 Difference]: Without dead ends: 153 [2018-10-27 15:29:01,161 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=67, Invalid=89, Unknown=0, NotChecked=0, Total=156 [2018-10-27 15:29:01,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-10-27 15:29:01,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 143. [2018-10-27 15:29:01,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-10-27 15:29:01,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 166 transitions. [2018-10-27 15:29:01,173 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 166 transitions. Word has length 118 [2018-10-27 15:29:01,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:29:01,173 INFO L481 AbstractCegarLoop]: Abstraction has 143 states and 166 transitions. [2018-10-27 15:29:01,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 15:29:01,174 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 166 transitions. [2018-10-27 15:29:01,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-27 15:29:01,175 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:29:01,175 INFO L375 BasicCegarLoop]: trace histogram [20, 15, 15, 15, 6, 6, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 15:29:01,175 INFO L424 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:29:01,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:29:01,176 INFO L82 PathProgramCache]: Analyzing trace with hash 837643063, now seen corresponding path program 8 times [2018-10-27 15:29:01,176 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:29:01,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:29:01,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:29:01,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:29:01,177 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:29:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:29:01,324 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 210 proven. 18 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2018-10-27 15:29:01,324 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:29:01,325 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 15:29:01,325 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 15:29:01,325 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 15:29:01,325 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:29:01,325 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 15:29:01,333 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-27 15:29:01,333 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-10-27 15:29:01,688 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-10-27 15:29:01,688 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-27 15:29:01,694 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 15:29:01,930 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2018-10-27 15:29:01,930 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 15:29:01,997 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2018-10-27 15:29:02,019 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 15:29:02,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 16 [2018-10-27 15:29:02,019 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 15:29:02,022 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-27 15:29:02,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-27 15:29:02,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2018-10-27 15:29:02,023 INFO L87 Difference]: Start difference. First operand 143 states and 166 transitions. Second operand 11 states. [2018-10-27 15:29:02,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:29:02,862 INFO L93 Difference]: Finished difference Result 297 states and 358 transitions. [2018-10-27 15:29:02,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-10-27 15:29:02,862 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 138 [2018-10-27 15:29:02,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:29:02,865 INFO L225 Difference]: With dead ends: 297 [2018-10-27 15:29:02,865 INFO L226 Difference]: Without dead ends: 199 [2018-10-27 15:29:02,866 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=426, Invalid=764, Unknown=0, NotChecked=0, Total=1190 [2018-10-27 15:29:02,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2018-10-27 15:29:02,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 167. [2018-10-27 15:29:02,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-10-27 15:29:02,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 195 transitions. [2018-10-27 15:29:02,881 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 195 transitions. Word has length 138 [2018-10-27 15:29:02,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:29:02,882 INFO L481 AbstractCegarLoop]: Abstraction has 167 states and 195 transitions. [2018-10-27 15:29:02,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-27 15:29:02,882 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 195 transitions. [2018-10-27 15:29:02,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-27 15:29:02,884 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:29:02,884 INFO L375 BasicCegarLoop]: trace histogram [25, 20, 20, 20, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 15:29:02,884 INFO L424 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:29:02,884 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:29:02,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1713657975, now seen corresponding path program 9 times [2018-10-27 15:29:02,885 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:29:02,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:29:02,886 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 15:29:02,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:29:02,886 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:29:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:29:03,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 338 proven. 32 refuted. 0 times theorem prover too weak. 732 trivial. 0 not checked. [2018-10-27 15:29:03,138 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:29:03,138 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 15:29:03,138 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 15:29:03,138 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 15:29:03,138 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:29:03,138 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 15:29:03,148 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-27 15:29:03,149 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-10-27 15:29:03,337 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-27 15:29:03,337 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-27 15:29:03,344 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 15:29:03,374 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-10-27 15:29:03,377 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-10-27 15:29:03,378 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 15:29:03,381 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:29:03,394 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:29:03,394 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:15 [2018-10-27 15:29:03,483 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 19 [2018-10-27 15:29:03,487 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:29:03,491 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 29 [2018-10-27 15:29:03,492 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 15:29:03,504 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:29:03,510 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:29:03,511 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:31, output treesize:12 [2018-10-27 15:29:03,535 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 19 [2018-10-27 15:29:03,541 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:29:03,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 29 [2018-10-27 15:29:03,544 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 15:29:03,576 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:29:03,583 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:29:03,583 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:31, output treesize:12 [2018-10-27 15:29:03,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 19 [2018-10-27 15:29:03,654 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:29:03,656 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 29 [2018-10-27 15:29:03,656 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 15:29:03,663 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:29:03,672 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:29:03,672 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:31, output treesize:12 [2018-10-27 15:29:03,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 19 [2018-10-27 15:29:03,748 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:29:03,750 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 29 [2018-10-27 15:29:03,750 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 15:29:03,758 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:29:03,768 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:29:03,769 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:16 [2018-10-27 15:29:04,735 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-10-27 15:29:04,737 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 15:29:04,738 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-10-27 15:29:04,738 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 15:29:04,744 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:29:04,748 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:29:04,749 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:26, output treesize:3 [2018-10-27 15:29:04,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 14 proven. 896 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-10-27 15:29:04,936 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 15:29:06,770 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-10-27 15:29:06,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 14 proven. 896 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-10-27 15:29:06,933 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 15:29:06,933 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 23, 23] total 49 [2018-10-27 15:29:06,934 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 15:29:06,934 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-10-27 15:29:06,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-10-27 15:29:06,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=2090, Unknown=0, NotChecked=0, Total=2352 [2018-10-27 15:29:06,936 INFO L87 Difference]: Start difference. First operand 167 states and 195 transitions. Second operand 29 states. [2018-10-27 15:29:13,380 WARN L179 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2018-10-27 15:29:14,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:29:14,766 INFO L93 Difference]: Finished difference Result 640 states and 783 transitions. [2018-10-27 15:29:14,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2018-10-27 15:29:14,767 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 162 [2018-10-27 15:29:14,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:29:14,771 INFO L225 Difference]: With dead ends: 640 [2018-10-27 15:29:14,772 INFO L226 Difference]: Without dead ends: 522 [2018-10-27 15:29:14,777 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 287 SyntacticMatches, 3 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 4053 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=2153, Invalid=13849, Unknown=0, NotChecked=0, Total=16002 [2018-10-27 15:29:14,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2018-10-27 15:29:14,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 384. [2018-10-27 15:29:14,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2018-10-27 15:29:14,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 457 transitions. [2018-10-27 15:29:14,815 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 457 transitions. Word has length 162 [2018-10-27 15:29:14,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:29:14,816 INFO L481 AbstractCegarLoop]: Abstraction has 384 states and 457 transitions. [2018-10-27 15:29:14,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-10-27 15:29:14,816 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 457 transitions. [2018-10-27 15:29:14,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-27 15:29:14,818 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:29:14,818 INFO L375 BasicCegarLoop]: trace histogram [30, 25, 25, 24, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 15:29:14,819 INFO L424 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:29:14,819 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:29:14,819 INFO L82 PathProgramCache]: Analyzing trace with hash 2043606880, now seen corresponding path program 1 times [2018-10-27 15:29:14,819 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:29:14,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:29:14,820 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 15:29:14,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:29:14,820 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:29:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:29:15,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1592 backedges. 498 proven. 50 refuted. 0 times theorem prover too weak. 1044 trivial. 0 not checked. [2018-10-27 15:29:15,231 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:29:15,231 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 15:29:15,231 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 183 with the following transitions: [2018-10-27 15:29:15,232 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [12], [14], [17], [19], [21], [25], [29], [32], [34], [38], [41], [43], [46], [48], [50], [54], [58], [62], [65], [67], [71], [73], [77], [81], [86], [96], [99], [101], [107], [108], [109], [111] [2018-10-27 15:29:15,235 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 15:29:15,236 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 15:29:15,532 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 15:29:15,533 INFO L272 AbstractInterpreter]: Visited 36 different actions 221 times. Merged at 16 different actions 132 times. Widened at 4 different actions 19 times. Found 26 fixpoints after 6 different actions. Largest state had 63 variables. [2018-10-27 15:29:15,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:29:15,573 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 15:29:15,573 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:29:15,573 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 15:29:15,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:29:15,589 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 15:29:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:29:15,739 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 15:29:16,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1592 backedges. 498 proven. 50 refuted. 0 times theorem prover too weak. 1044 trivial. 0 not checked. [2018-10-27 15:29:16,195 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 15:29:16,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1592 backedges. 498 proven. 50 refuted. 0 times theorem prover too weak. 1044 trivial. 0 not checked. [2018-10-27 15:29:16,303 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 15:29:16,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2018-10-27 15:29:16,303 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 15:29:16,304 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-27 15:29:16,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-27 15:29:16,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=263, Unknown=0, NotChecked=0, Total=462 [2018-10-27 15:29:16,305 INFO L87 Difference]: Start difference. First operand 384 states and 457 transitions. Second operand 15 states. [2018-10-27 15:29:16,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:29:16,655 INFO L93 Difference]: Finished difference Result 752 states and 917 transitions. [2018-10-27 15:29:16,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-27 15:29:16,656 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 182 [2018-10-27 15:29:16,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:29:16,661 INFO L225 Difference]: With dead ends: 752 [2018-10-27 15:29:16,661 INFO L226 Difference]: Without dead ends: 450 [2018-10-27 15:29:16,663 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=199, Invalid=263, Unknown=0, NotChecked=0, Total=462 [2018-10-27 15:29:16,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2018-10-27 15:29:16,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 428. [2018-10-27 15:29:16,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2018-10-27 15:29:16,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 512 transitions. [2018-10-27 15:29:16,701 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 512 transitions. Word has length 182 [2018-10-27 15:29:16,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:29:16,701 INFO L481 AbstractCegarLoop]: Abstraction has 428 states and 512 transitions. [2018-10-27 15:29:16,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-27 15:29:16,702 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 512 transitions. [2018-10-27 15:29:16,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-27 15:29:16,705 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:29:16,705 INFO L375 BasicCegarLoop]: trace histogram [35, 30, 30, 29, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 15:29:16,706 INFO L424 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:29:16,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:29:16,706 INFO L82 PathProgramCache]: Analyzing trace with hash -35841863, now seen corresponding path program 2 times [2018-10-27 15:29:16,706 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:29:16,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:29:16,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:29:16,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:29:16,707 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:29:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:29:17,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2182 backedges. 690 proven. 72 refuted. 0 times theorem prover too weak. 1420 trivial. 0 not checked. [2018-10-27 15:29:17,096 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:29:17,097 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 15:29:17,097 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 15:29:17,097 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 15:29:17,097 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:29:17,097 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 15:29:17,105 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-27 15:29:17,105 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-10-27 15:29:17,714 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-10-27 15:29:17,714 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-27 15:29:17,724 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 15:29:17,741 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-10-27 15:29:17,753 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2018-10-27 15:29:17,775 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:29:17,779 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:29:17,782 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:29:17,782 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 9 [2018-10-27 15:29:17,783 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-27 15:29:17,791 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:29:17,799 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:29:17,820 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:29:17,820 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:27, output treesize:25 [2018-10-27 15:29:17,849 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-27 15:29:17,856 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 15:29:17,857 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 15:29:17,858 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:29:17,953 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:29:17,953 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:36, output treesize:25 [2018-10-27 15:29:18,393 WARN L179 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-10-27 15:29:19,004 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 121 [2018-10-27 15:29:19,134 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 12 case distinctions, treesize of input 109 treesize of output 295 [2018-10-27 15:29:19,134 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-10-27 15:29:19,151 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 27 xjuncts. [2018-10-27 15:29:19,436 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 8 xjuncts. [2018-10-27 15:29:19,621 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 17 dim-0 vars, and 7 xjuncts. [2018-10-27 15:29:19,621 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:152, output treesize:855 [2018-10-27 15:29:39,262 WARN L179 SmtUtils]: Spent 15.38 s on a formula simplification that was a NOOP. DAG size: 195 [2018-10-27 15:30:16,521 WARN L179 SmtUtils]: Spent 27.04 s on a formula simplification that was a NOOP. DAG size: 278 [2018-10-27 15:30:16,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2182 backedges. 679 proven. 148 refuted. 0 times theorem prover too weak. 1355 trivial. 0 not checked. [2018-10-27 15:30:16,930 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 15:30:17,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2182 backedges. 804 proven. 37 refuted. 0 times theorem prover too weak. 1341 trivial. 0 not checked. [2018-10-27 15:30:17,460 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 15:30:17,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 27 [2018-10-27 15:30:17,461 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 15:30:17,461 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-27 15:30:17,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-27 15:30:17,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=532, Unknown=7, NotChecked=0, Total=702 [2018-10-27 15:30:17,462 INFO L87 Difference]: Start difference. First operand 428 states and 512 transitions. Second operand 18 states. [2018-10-27 15:30:53,132 WARN L179 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2018-10-27 15:30:53,814 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2018-10-27 15:30:54,381 WARN L179 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 201 [2018-10-27 15:30:55,273 WARN L179 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 291 [2018-10-27 15:30:55,457 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 81 [2018-10-27 15:30:56,745 WARN L179 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 313 DAG size of output: 312 [2018-10-27 15:30:57,313 WARN L179 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 203 [2018-10-27 15:30:58,333 WARN L179 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 291 [2018-10-27 15:30:58,529 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 81 [2018-10-27 15:30:59,910 WARN L179 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 313 DAG size of output: 312 [2018-10-27 15:31:00,554 WARN L179 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 203 [2018-10-27 15:31:01,844 WARN L179 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 291 [2018-10-27 15:31:02,090 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 81 [2018-10-27 15:31:03,555 WARN L179 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 313 DAG size of output: 312 [2018-10-27 15:31:03,942 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2018-10-27 15:31:04,430 WARN L179 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 203 [2018-10-27 15:31:05,734 WARN L179 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 291 [2018-10-27 15:31:05,940 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 81 [2018-10-27 15:31:07,397 WARN L179 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 313 DAG size of output: 312 [2018-10-27 15:31:08,058 WARN L179 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 203 [2018-10-27 15:31:09,317 WARN L179 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 291 [2018-10-27 15:31:09,524 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 81 [2018-10-27 15:31:10,957 WARN L179 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 313 DAG size of output: 312 [2018-10-27 15:31:11,607 WARN L179 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 203 [2018-10-27 15:31:12,824 WARN L179 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 291 [2018-10-27 15:31:13,083 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 81 [2018-10-27 15:31:14,552 WARN L179 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 313 DAG size of output: 312 [2018-10-27 15:31:15,271 WARN L179 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 203 [2018-10-27 15:31:16,550 WARN L179 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 288 [2018-10-27 15:31:16,810 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2018-10-27 15:31:18,161 WARN L179 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 309 [2018-10-27 15:31:18,894 WARN L179 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 205 [2018-10-27 15:31:19,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:31:19,571 INFO L93 Difference]: Finished difference Result 1438 states and 1794 transitions. [2018-10-27 15:31:19,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2018-10-27 15:31:19,571 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 202 [2018-10-27 15:31:19,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:31:19,576 INFO L225 Difference]: With dead ends: 1438 [2018-10-27 15:31:19,577 INFO L226 Difference]: Without dead ends: 1100 [2018-10-27 15:31:19,581 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 386 SyntacticMatches, 2 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3926 ImplicationChecksByTransitivity, 98.6s TimeCoverageRelationStatistics Valid=2480, Invalid=9939, Unknown=13, NotChecked=0, Total=12432 [2018-10-27 15:31:19,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2018-10-27 15:31:19,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 864. [2018-10-27 15:31:19,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 864 states. [2018-10-27 15:31:19,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1057 transitions. [2018-10-27 15:31:19,683 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1057 transitions. Word has length 202 [2018-10-27 15:31:19,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:31:19,683 INFO L481 AbstractCegarLoop]: Abstraction has 864 states and 1057 transitions. [2018-10-27 15:31:19,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-10-27 15:31:19,683 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1057 transitions. [2018-10-27 15:31:19,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-10-27 15:31:19,686 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:31:19,686 INFO L375 BasicCegarLoop]: trace histogram [40, 35, 35, 34, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 15:31:19,687 INFO L424 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:31:19,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:31:19,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1123703662, now seen corresponding path program 3 times [2018-10-27 15:31:19,687 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:31:19,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:31:19,688 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 15:31:19,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:31:19,688 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:31:19,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:31:20,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2872 backedges. 914 proven. 98 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2018-10-27 15:31:20,247 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:31:20,247 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 15:31:20,247 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 15:31:20,247 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 15:31:20,247 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:31:20,247 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 15:31:20,254 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-27 15:31:20,254 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-10-27 15:31:20,424 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-27 15:31:20,424 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-27 15:31:20,432 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 15:31:20,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2872 backedges. 82 proven. 842 refuted. 0 times theorem prover too weak. 1948 trivial. 0 not checked. [2018-10-27 15:31:20,912 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 15:31:21,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2872 backedges. 82 proven. 842 refuted. 0 times theorem prover too weak. 1948 trivial. 0 not checked. [2018-10-27 15:31:21,236 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 15:31:21,237 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15, 15] total 32 [2018-10-27 15:31:21,237 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 15:31:21,237 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-10-27 15:31:21,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-10-27 15:31:21,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=806, Unknown=0, NotChecked=0, Total=992 [2018-10-27 15:31:21,238 INFO L87 Difference]: Start difference. First operand 864 states and 1057 transitions. Second operand 24 states. [2018-10-27 15:31:23,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:31:23,720 INFO L93 Difference]: Finished difference Result 1938 states and 2404 transitions. [2018-10-27 15:31:23,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-10-27 15:31:23,721 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 222 [2018-10-27 15:31:23,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:31:23,727 INFO L225 Difference]: With dead ends: 1938 [2018-10-27 15:31:23,728 INFO L226 Difference]: Without dead ends: 1218 [2018-10-27 15:31:23,731 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 517 GetRequests, 424 SyntacticMatches, 5 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2219 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1779, Invalid=6231, Unknown=0, NotChecked=0, Total=8010 [2018-10-27 15:31:23,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2018-10-27 15:31:23,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 906. [2018-10-27 15:31:23,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 906 states. [2018-10-27 15:31:23,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1109 transitions. [2018-10-27 15:31:23,844 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1109 transitions. Word has length 222 [2018-10-27 15:31:23,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:31:23,845 INFO L481 AbstractCegarLoop]: Abstraction has 906 states and 1109 transitions. [2018-10-27 15:31:23,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-10-27 15:31:23,845 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1109 transitions. [2018-10-27 15:31:23,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-10-27 15:31:23,847 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:31:23,847 INFO L375 BasicCegarLoop]: trace histogram [45, 40, 40, 39, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 15:31:23,847 INFO L424 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:31:23,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:31:23,847 INFO L82 PathProgramCache]: Analyzing trace with hash 968477924, now seen corresponding path program 4 times [2018-10-27 15:31:23,847 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:31:23,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:31:23,848 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 15:31:23,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:31:23,848 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:31:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:31:24,231 INFO L134 CoverageAnalysis]: Checked inductivity of 3680 backedges. 1170 proven. 128 refuted. 0 times theorem prover too weak. 2382 trivial. 0 not checked. [2018-10-27 15:31:24,232 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:31:24,232 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 15:31:24,232 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 15:31:24,232 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 15:31:24,232 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:31:24,232 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 15:31:24,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:31:24,240 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 15:31:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:31:24,445 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 15:31:24,590 INFO L134 CoverageAnalysis]: Checked inductivity of 3680 backedges. 1170 proven. 128 refuted. 0 times theorem prover too weak. 2382 trivial. 0 not checked. [2018-10-27 15:31:24,590 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 15:31:24,814 INFO L134 CoverageAnalysis]: Checked inductivity of 3680 backedges. 1170 proven. 128 refuted. 0 times theorem prover too weak. 2382 trivial. 0 not checked. [2018-10-27 15:31:24,835 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 15:31:24,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 31 [2018-10-27 15:31:24,836 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 15:31:24,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-10-27 15:31:24,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-10-27 15:31:24,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=403, Invalid=527, Unknown=0, NotChecked=0, Total=930 [2018-10-27 15:31:24,837 INFO L87 Difference]: Start difference. First operand 906 states and 1109 transitions. Second operand 21 states. [2018-10-27 15:31:25,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:31:25,341 INFO L93 Difference]: Finished difference Result 1818 states and 2253 transitions. [2018-10-27 15:31:25,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-27 15:31:25,341 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 246 [2018-10-27 15:31:25,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:31:25,346 INFO L225 Difference]: With dead ends: 1818 [2018-10-27 15:31:25,347 INFO L226 Difference]: Without dead ends: 1068 [2018-10-27 15:31:25,349 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 474 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=403, Invalid=527, Unknown=0, NotChecked=0, Total=930 [2018-10-27 15:31:25,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2018-10-27 15:31:25,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 982. [2018-10-27 15:31:25,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 982 states. [2018-10-27 15:31:25,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 982 states and 1204 transitions. [2018-10-27 15:31:25,484 INFO L78 Accepts]: Start accepts. Automaton has 982 states and 1204 transitions. Word has length 246 [2018-10-27 15:31:25,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:31:25,485 INFO L481 AbstractCegarLoop]: Abstraction has 982 states and 1204 transitions. [2018-10-27 15:31:25,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-10-27 15:31:25,485 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1204 transitions. [2018-10-27 15:31:25,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-10-27 15:31:25,488 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:31:25,489 INFO L375 BasicCegarLoop]: trace histogram [50, 45, 45, 44, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 15:31:25,489 INFO L424 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:31:25,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:31:25,489 INFO L82 PathProgramCache]: Analyzing trace with hash 314107453, now seen corresponding path program 5 times [2018-10-27 15:31:25,489 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:31:25,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:31:25,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:31:25,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:31:25,490 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:31:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:31:26,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4570 backedges. 1458 proven. 162 refuted. 0 times theorem prover too weak. 2950 trivial. 0 not checked. [2018-10-27 15:31:26,031 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:31:26,031 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 15:31:26,031 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 15:31:26,031 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 15:31:26,031 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:31:26,031 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 15:31:26,038 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-27 15:31:26,038 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-10-27 15:31:26,778 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2018-10-27 15:31:26,779 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-27 15:31:26,787 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 15:31:28,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4570 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 4520 trivial. 0 not checked. [2018-10-27 15:31:28,123 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 15:31:28,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4570 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 4520 trivial. 0 not checked. [2018-10-27 15:31:28,305 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 15:31:28,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 26 [2018-10-27 15:31:28,306 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 15:31:28,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-27 15:31:28,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-27 15:31:28,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=475, Unknown=0, NotChecked=0, Total=650 [2018-10-27 15:31:28,307 INFO L87 Difference]: Start difference. First operand 982 states and 1204 transitions. Second operand 19 states. [2018-10-27 15:31:31,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:31:31,140 INFO L93 Difference]: Finished difference Result 2335 states and 2905 transitions. [2018-10-27 15:31:31,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2018-10-27 15:31:31,141 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 266 [2018-10-27 15:31:31,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:31:31,148 INFO L225 Difference]: With dead ends: 2335 [2018-10-27 15:31:31,148 INFO L226 Difference]: Without dead ends: 1521 [2018-10-27 15:31:31,153 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 613 GetRequests, 520 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2631 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=2860, Invalid=6070, Unknown=0, NotChecked=0, Total=8930 [2018-10-27 15:31:31,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2018-10-27 15:31:31,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 1062. [2018-10-27 15:31:31,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1062 states. [2018-10-27 15:31:31,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1303 transitions. [2018-10-27 15:31:31,295 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1303 transitions. Word has length 266 [2018-10-27 15:31:31,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:31:31,295 INFO L481 AbstractCegarLoop]: Abstraction has 1062 states and 1303 transitions. [2018-10-27 15:31:31,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-27 15:31:31,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1303 transitions. [2018-10-27 15:31:31,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-10-27 15:31:31,299 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:31:31,299 INFO L375 BasicCegarLoop]: trace histogram [55, 50, 50, 49, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 15:31:31,299 INFO L424 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:31:31,299 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:31:31,300 INFO L82 PathProgramCache]: Analyzing trace with hash -49864817, now seen corresponding path program 6 times [2018-10-27 15:31:31,300 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:31:31,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:31:31,300 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 15:31:31,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:31:31,301 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:31:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:31:32,068 INFO L134 CoverageAnalysis]: Checked inductivity of 5582 backedges. 1778 proven. 200 refuted. 0 times theorem prover too weak. 3604 trivial. 0 not checked. [2018-10-27 15:31:32,069 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:31:32,069 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 15:31:32,069 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 15:31:32,069 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 15:31:32,069 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:31:32,069 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 15:31:32,077 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-27 15:31:32,078 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-10-27 15:31:32,305 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-27 15:31:32,305 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-27 15:31:32,348 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 15:31:32,712 INFO L134 CoverageAnalysis]: Checked inductivity of 5582 backedges. 172 proven. 1710 refuted. 0 times theorem prover too weak. 3700 trivial. 0 not checked. [2018-10-27 15:31:32,713 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 15:31:33,113 INFO L134 CoverageAnalysis]: Checked inductivity of 5582 backedges. 172 proven. 1710 refuted. 0 times theorem prover too weak. 3700 trivial. 0 not checked. [2018-10-27 15:31:33,136 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 15:31:33,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 20, 20] total 43 [2018-10-27 15:31:33,137 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 15:31:33,137 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-10-27 15:31:33,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-10-27 15:31:33,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=1481, Unknown=0, NotChecked=0, Total=1806 [2018-10-27 15:31:33,138 INFO L87 Difference]: Start difference. First operand 1062 states and 1303 transitions. Second operand 32 states. [2018-10-27 15:31:37,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:31:37,603 INFO L93 Difference]: Finished difference Result 2705 states and 3370 transitions. [2018-10-27 15:31:37,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2018-10-27 15:31:37,604 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 290 [2018-10-27 15:31:37,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:31:37,611 INFO L225 Difference]: With dead ends: 2705 [2018-10-27 15:31:37,611 INFO L226 Difference]: Without dead ends: 1823 [2018-10-27 15:31:37,616 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 702 GetRequests, 552 SyntacticMatches, 7 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6367 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=4031, Invalid=16849, Unknown=0, NotChecked=0, Total=20880 [2018-10-27 15:31:37,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1823 states. [2018-10-27 15:31:37,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1823 to 1146. [2018-10-27 15:31:37,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1146 states. [2018-10-27 15:31:37,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1406 transitions. [2018-10-27 15:31:37,826 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1406 transitions. Word has length 290 [2018-10-27 15:31:37,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:31:37,827 INFO L481 AbstractCegarLoop]: Abstraction has 1146 states and 1406 transitions. [2018-10-27 15:31:37,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-10-27 15:31:37,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1406 transitions. [2018-10-27 15:31:37,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-10-27 15:31:37,830 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:31:37,831 INFO L375 BasicCegarLoop]: trace histogram [60, 55, 55, 54, 8, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 15:31:37,831 INFO L424 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:31:37,831 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:31:37,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1704518881, now seen corresponding path program 7 times [2018-10-27 15:31:37,831 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:31:37,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:31:37,832 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 15:31:37,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:31:37,832 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:31:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:31:38,210 INFO L134 CoverageAnalysis]: Checked inductivity of 6698 backedges. 2130 proven. 242 refuted. 0 times theorem prover too weak. 4326 trivial. 0 not checked. [2018-10-27 15:31:38,210 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:31:38,210 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 15:31:38,210 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 15:31:38,211 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 15:31:38,211 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:31:38,211 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 15:31:38,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:31:38,219 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 15:31:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:31:38,491 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 15:31:38,868 INFO L134 CoverageAnalysis]: Checked inductivity of 6698 backedges. 2130 proven. 242 refuted. 0 times theorem prover too weak. 4326 trivial. 0 not checked. [2018-10-27 15:31:38,868 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 15:31:39,249 INFO L134 CoverageAnalysis]: Checked inductivity of 6698 backedges. 2130 proven. 242 refuted. 0 times theorem prover too weak. 4326 trivial. 0 not checked. [2018-10-27 15:31:39,270 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 15:31:39,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 36 [2018-10-27 15:31:39,271 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 15:31:39,272 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-10-27 15:31:39,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-10-27 15:31:39,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=537, Invalid=723, Unknown=0, NotChecked=0, Total=1260 [2018-10-27 15:31:39,272 INFO L87 Difference]: Start difference. First operand 1146 states and 1406 transitions. Second operand 27 states. [2018-10-27 15:31:39,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 15:31:39,572 INFO L93 Difference]: Finished difference Result 2262 states and 2802 transitions. [2018-10-27 15:31:39,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-27 15:31:39,572 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 314 [2018-10-27 15:31:39,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 15:31:39,578 INFO L225 Difference]: With dead ends: 2262 [2018-10-27 15:31:39,578 INFO L226 Difference]: Without dead ends: 1308 [2018-10-27 15:31:39,580 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 604 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 644 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=537, Invalid=723, Unknown=0, NotChecked=0, Total=1260 [2018-10-27 15:31:39,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2018-10-27 15:31:39,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 1222. [2018-10-27 15:31:39,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1222 states. [2018-10-27 15:31:39,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 1501 transitions. [2018-10-27 15:31:39,748 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 1501 transitions. Word has length 314 [2018-10-27 15:31:39,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 15:31:39,749 INFO L481 AbstractCegarLoop]: Abstraction has 1222 states and 1501 transitions. [2018-10-27 15:31:39,749 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-10-27 15:31:39,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1501 transitions. [2018-10-27 15:31:39,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-10-27 15:31:39,753 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 15:31:39,753 INFO L375 BasicCegarLoop]: trace histogram [65, 60, 60, 59, 8, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 15:31:39,753 INFO L424 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 15:31:39,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 15:31:39,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1821269574, now seen corresponding path program 8 times [2018-10-27 15:31:39,754 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 15:31:39,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:31:39,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 15:31:39,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 15:31:39,755 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 15:31:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 15:31:40,394 INFO L134 CoverageAnalysis]: Checked inductivity of 7888 backedges. 2514 proven. 288 refuted. 0 times theorem prover too weak. 5086 trivial. 0 not checked. [2018-10-27 15:31:40,394 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:31:40,395 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 15:31:40,395 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 15:31:40,395 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 15:31:40,395 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 15:31:40,395 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 15:31:40,449 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-27 15:31:40,450 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-10-27 15:31:42,564 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2018-10-27 15:31:42,565 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-27 15:31:42,580 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 15:31:47,259 WARN L179 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 244 DAG size of output: 197 [2018-10-27 15:31:47,291 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:31:47,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 40 [2018-10-27 15:31:47,340 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:31:47,350 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:31:47,351 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 42 [2018-10-27 15:31:47,401 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:31:47,410 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:31:47,420 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:31:47,431 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:31:47,432 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2018-10-27 15:31:47,432 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-27 15:31:47,558 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:31:47,713 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:31:49,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 518 treesize of output 420 [2018-10-27 15:32:00,316 WARN L179 SmtUtils]: Spent 10.53 s on a formula simplification that was a NOOP. DAG size: 198 [2018-10-27 15:32:00,328 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 106 [2018-10-27 15:32:00,350 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,358 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,360 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 120 [2018-10-27 15:32:00,375 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,381 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,386 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,391 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,392 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 150 [2018-10-27 15:32:00,463 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,497 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,506 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,506 INFO L303 Elim1Store]: Index analysis took 112 ms [2018-10-27 15:32:00,507 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 174 [2018-10-27 15:32:00,525 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,530 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,535 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,540 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,545 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,546 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2018-10-27 15:32:00,567 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,575 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,583 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,592 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,600 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,608 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,615 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,617 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 18 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 246 [2018-10-27 15:32:00,653 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,660 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,669 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,676 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,684 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,692 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,701 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,708 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,716 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,724 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,724 INFO L303 Elim1Store]: Index analysis took 102 ms [2018-10-27 15:32:00,726 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 24 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 294 [2018-10-27 15:32:00,743 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,749 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,754 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,759 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,765 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,770 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,775 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,780 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,786 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,793 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,798 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,803 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,808 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,814 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,821 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,827 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,829 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 34 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 374 [2018-10-27 15:32:00,854 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,861 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,869 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,877 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,885 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,893 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,900 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,908 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,916 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,923 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,930 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,938 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,946 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,953 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:00,954 INFO L303 Elim1Store]: Index analysis took 119 ms [2018-10-27 15:32:00,956 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 42 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 438 [2018-10-27 15:32:01,004 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,010 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,016 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,022 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,027 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,032 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,038 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,044 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,049 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,055 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,061 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,066 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,072 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,077 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,082 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,088 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,088 INFO L303 Elim1Store]: Index analysis took 126 ms [2018-10-27 15:32:01,090 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 51 disjoint index pairs (out of 36 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 510 [2018-10-27 15:32:01,114 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,121 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,128 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,135 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,142 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,151 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,158 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,165 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,171 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,178 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,187 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,195 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,205 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,212 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,222 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,229 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,238 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,251 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,262 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,270 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,282 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,292 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,304 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,304 INFO L303 Elim1Store]: Index analysis took 209 ms [2018-10-27 15:32:01,306 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 65 disjoint index pairs (out of 45 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 622 [2018-10-27 15:32:01,333 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,340 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,347 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,354 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,361 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,369 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,375 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,385 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,392 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,399 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,406 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,413 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,420 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,427 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,436 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,443 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,450 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,461 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,468 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,475 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,476 INFO L303 Elim1Store]: Index analysis took 162 ms [2018-10-27 15:32:01,477 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 76 disjoint index pairs (out of 55 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 710 [2018-10-27 15:32:01,506 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,513 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,520 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,527 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,534 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,541 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,548 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,555 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,562 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,568 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,574 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,581 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,588 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,595 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,601 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,609 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,617 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,624 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,631 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,638 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,646 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,653 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,654 INFO L303 Elim1Store]: Index analysis took 165 ms [2018-10-27 15:32:01,656 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 88 disjoint index pairs (out of 66 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 204 treesize of output 806 [2018-10-27 15:32:01,682 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,689 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,694 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,699 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,704 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,710 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,717 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,722 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,728 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,734 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,739 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,745 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,750 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,755 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,761 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,767 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,773 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,779 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,786 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,793 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,798 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,804 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,810 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,815 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,816 INFO L303 Elim1Store]: Index analysis took 148 ms [2018-10-27 15:32:01,818 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 101 disjoint index pairs (out of 78 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 910 [2018-10-27 15:32:01,853 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,860 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,867 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,873 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,881 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,888 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,895 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,903 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,910 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,918 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,925 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,933 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,940 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,947 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,954 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,962 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,968 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,975 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,984 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,992 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:01,999 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,006 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,012 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,020 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,027 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,035 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,042 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,049 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,050 INFO L303 Elim1Store]: Index analysis took 217 ms [2018-10-27 15:32:02,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 115 disjoint index pairs (out of 91 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 1022 [2018-10-27 15:32:02,089 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,096 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,104 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,111 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,118 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,126 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,132 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,140 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,147 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,153 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,161 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,167 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,174 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,181 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,188 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,194 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,200 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,206 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,213 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,220 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,227 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,234 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,241 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,248 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,255 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,263 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,269 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,276 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,282 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,289 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,295 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,302 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,309 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,310 INFO L303 Elim1Store]: Index analysis took 240 ms [2018-10-27 15:32:02,314 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 130 disjoint index pairs (out of 105 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 210 treesize of output 1142 [2018-10-27 15:32:02,347 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,353 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,360 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,366 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,372 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,380 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,387 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,394 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,399 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,405 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,410 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,415 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,421 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,427 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,433 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,438 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,444 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,450 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,455 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,461 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,466 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,472 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,477 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,482 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,488 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,493 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,498 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,504 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,510 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,515 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,520 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,527 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,532 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,537 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,542 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,548 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,549 INFO L303 Elim1Store]: Index analysis took 220 ms [2018-10-27 15:32:02,552 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 146 disjoint index pairs (out of 120 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 1270 [2018-10-27 15:32:02,585 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,591 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,612 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,618 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,622 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,633 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,638 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,642 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,647 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,651 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,656 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,662 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,666 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,672 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,678 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,683 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,688 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,692 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,697 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,702 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,707 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,711 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,716 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,720 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,725 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,730 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,735 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,740 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,744 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,749 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,753 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,758 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,763 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,768 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,773 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,778 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,790 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,795 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,801 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,806 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,807 INFO L303 Elim1Store]: Index analysis took 238 ms [2018-10-27 15:32:02,810 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 163 disjoint index pairs (out of 136 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 214 treesize of output 1406 [2018-10-27 15:32:02,878 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,909 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,930 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,956 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:02,982 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,012 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,033 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,058 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,075 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,081 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,087 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,093 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,098 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,105 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,112 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,118 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,123 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,130 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,137 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,143 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,149 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,155 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,161 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,167 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,173 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,178 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,184 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,190 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,196 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,203 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,208 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,214 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,219 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,227 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,233 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,240 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,245 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,250 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,257 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,263 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,269 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,275 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,282 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,283 INFO L303 Elim1Store]: Index analysis took 446 ms [2018-10-27 15:32:03,286 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 181 disjoint index pairs (out of 153 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 216 treesize of output 1550 [2018-10-27 15:32:03,344 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,350 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,357 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,363 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,370 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,376 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,383 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,389 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,396 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,401 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,407 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,413 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,418 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,423 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,429 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,435 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,442 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,447 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,453 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,459 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,466 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,472 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,478 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,484 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,490 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,495 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,502 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,507 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,513 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,518 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,524 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,529 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,535 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,540 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,546 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,551 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,557 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,563 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,570 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,577 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,582 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,588 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,595 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,601 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,606 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,612 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,619 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:03,620 INFO L303 Elim1Store]: Index analysis took 310 ms [2018-10-27 15:32:03,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 200 disjoint index pairs (out of 171 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 1757 [2018-10-27 15:32:03,627 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-10-27 15:32:05,988 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:07,780 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:09,267 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:10,575 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:11,712 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:12,727 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:13,623 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:14,378 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:15,018 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:15,582 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:16,091 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:16,520 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:16,896 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:17,221 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:17,516 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:17,782 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:18,028 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:18,262 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:18,495 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:18,887 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:18,889 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 388 treesize of output 504 [2018-10-27 15:32:18,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 207 [2018-10-27 15:32:18,912 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:18,916 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:18,918 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 216 [2018-10-27 15:32:18,932 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:18,936 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:18,941 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:18,945 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:18,946 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 210 treesize of output 241 [2018-10-27 15:32:18,957 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:18,960 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:18,963 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:18,964 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 221 treesize of output 260 [2018-10-27 15:32:19,007 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,011 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,016 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,020 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,024 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 287 [2018-10-27 15:32:19,040 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,044 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,048 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,053 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,057 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,061 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,065 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,069 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,071 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 18 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 215 treesize of output 322 [2018-10-27 15:32:19,087 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,092 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,096 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,101 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,106 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,110 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,114 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,118 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,123 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,127 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,129 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 24 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 365 [2018-10-27 15:32:19,148 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,152 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,156 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,160 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,164 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,169 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,174 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,178 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,182 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,186 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,190 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,196 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,198 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 31 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 209 treesize of output 416 [2018-10-27 15:32:19,217 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,221 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,225 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,229 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,234 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,238 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,242 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,246 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,250 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,254 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,258 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,263 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,267 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,271 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,275 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,277 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 39 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 475 [2018-10-27 15:32:19,303 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,308 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,312 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,316 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,320 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,324 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,328 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,332 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,336 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,340 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,344 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,348 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,353 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,357 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,361 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,365 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,369 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,373 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,377 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,381 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,385 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,386 INFO L303 Elim1Store]: Index analysis took 103 ms [2018-10-27 15:32:19,387 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 51 disjoint index pairs (out of 36 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 203 treesize of output 566 [2018-10-27 15:32:19,407 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,411 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,415 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,419 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,423 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,427 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,431 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,435 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,439 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,443 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,447 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,451 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,455 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,459 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,463 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,467 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,471 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,475 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,480 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,482 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 61 disjoint index pairs (out of 45 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 224 treesize of output 641 [2018-10-27 15:32:19,538 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,561 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,584 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,606 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,631 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,653 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,680 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,689 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,693 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,696 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,698 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,701 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,704 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,707 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,709 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,712 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,715 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,718 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,720 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,723 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,726 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,727 INFO L303 Elim1Store]: Index analysis took 232 ms [2018-10-27 15:32:19,728 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 72 disjoint index pairs (out of 55 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 221 treesize of output 724 [2018-10-27 15:32:19,748 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,752 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,756 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,760 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,764 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,767 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,771 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,775 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,779 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,783 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,787 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,790 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,794 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,798 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,802 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,805 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,809 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,813 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,817 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,821 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,825 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,828 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,832 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,836 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,838 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 84 disjoint index pairs (out of 66 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 815 [2018-10-27 15:32:19,860 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,863 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,867 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,871 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,875 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,878 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,882 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,887 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,891 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,894 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,898 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,902 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,906 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,910 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,914 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,917 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,921 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,925 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,928 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,932 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,936 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,939 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,943 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,946 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,950 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,953 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,957 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,961 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,965 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,969 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,973 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,977 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:19,978 INFO L303 Elim1Store]: Index analysis took 130 ms [2018-10-27 15:32:19,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 101 disjoint index pairs (out of 78 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 215 treesize of output 946 [2018-10-27 15:32:20,004 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,008 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,012 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,015 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,019 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,023 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,026 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,030 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,033 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,037 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,041 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,044 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,048 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,051 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,055 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,059 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,062 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,066 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,069 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,073 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,076 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,080 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,083 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,087 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,091 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,094 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,098 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,101 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,105 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,106 INFO L303 Elim1Store]: Index analysis took 114 ms [2018-10-27 15:32:20,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 115 disjoint index pairs (out of 91 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 244 treesize of output 1053 [2018-10-27 15:32:20,136 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,140 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,144 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,148 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,151 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,155 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,158 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,162 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,165 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,168 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,172 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,175 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,179 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,182 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,186 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,189 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,192 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,196 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,199 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,203 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,206 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,209 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,213 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,216 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,219 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,223 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,226 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,230 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,233 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,237 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,240 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,243 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,247 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,248 INFO L303 Elim1Store]: Index analysis took 125 ms [2018-10-27 15:32:20,250 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 130 disjoint index pairs (out of 105 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 241 treesize of output 1168 [2018-10-27 15:32:20,278 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,281 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,284 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,287 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,291 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,294 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,298 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,302 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,305 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,308 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,312 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,315 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,318 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,321 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,325 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,328 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,331 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,335 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,338 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,342 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,345 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,348 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,352 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,355 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,358 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,362 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,365 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,368 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,372 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,375 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,378 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,382 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,386 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,389 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,393 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,396 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,399 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,403 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,403 INFO L303 Elim1Store]: Index analysis took 138 ms [2018-10-27 15:32:20,405 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 146 disjoint index pairs (out of 120 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 238 treesize of output 1291 [2018-10-27 15:32:20,436 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,441 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,444 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,448 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,451 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,454 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,457 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,460 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,463 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,467 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,470 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,473 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,476 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,479 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,482 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,485 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,489 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,492 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,495 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,498 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,501 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,504 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,508 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,511 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,514 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,517 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,521 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,524 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,527 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,530 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,533 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,536 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,540 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,543 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,546 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,549 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,553 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,556 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,559 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,562 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,563 INFO L303 Elim1Store]: Index analysis took 140 ms [2018-10-27 15:32:20,566 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 163 disjoint index pairs (out of 136 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 235 treesize of output 1422 [2018-10-27 15:32:20,602 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,605 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,609 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,612 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,615 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,618 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,621 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,624 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,627 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,630 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,633 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,636 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,639 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,642 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,645 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,648 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,651 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,654 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,657 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,660 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,663 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,666 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,669 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,672 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,675 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,678 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,681 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,684 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,687 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,690 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,693 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,696 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,699 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,702 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,706 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,709 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,712 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,715 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,718 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,721 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,724 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,727 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,730 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,733 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,734 INFO L303 Elim1Store]: Index analysis took 146 ms [2018-10-27 15:32:20,737 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 181 disjoint index pairs (out of 153 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 232 treesize of output 1561 [2018-10-27 15:32:20,814 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,823 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,826 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,830 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,833 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,836 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,840 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,843 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,846 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,850 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,853 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,856 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,860 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,863 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,866 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,869 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,872 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,874 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,877 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,880 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,883 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,886 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,888 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,891 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,894 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,897 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,899 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,902 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,905 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,908 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,911 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,914 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,917 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,919 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,922 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,924 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,927 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,930 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,932 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,935 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,937 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,940 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,942 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,945 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,947 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,950 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,952 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,955 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,957 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,960 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:20,960 INFO L303 Elim1Store]: Index analysis took 190 ms [2018-10-27 15:32:20,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 200 disjoint index pairs (out of 171 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 229 treesize of output 1765 [2018-10-27 15:32:20,967 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-10-27 15:32:22,672 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:23,808 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:24,783 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:25,653 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:26,397 INFO L267 ElimStorePlain]: Start of recursive call 41: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:27,051 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:27,582 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:28,030 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:28,419 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:28,769 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:29,055 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:29,304 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:29,524 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:29,711 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:29,880 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:30,035 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:30,182 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:30,374 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:30,509 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:30,872 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:30,878 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:30,897 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:30,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 463 treesize of output 688 [2018-10-27 15:32:30,907 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 312 treesize of output 308 [2018-10-27 15:32:30,920 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:30,922 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:30,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 308 treesize of output 312 [2018-10-27 15:32:31,107 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:31,224 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:31,331 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:31,376 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:31,376 INFO L303 Elim1Store]: Index analysis took 450 ms [2018-10-27 15:32:31,377 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 332 [2018-10-27 15:32:31,561 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:31,653 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:31,725 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:31,832 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:31,947 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,060 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,060 INFO L303 Elim1Store]: Index analysis took 681 ms [2018-10-27 15:32:32,061 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 312 treesize of output 368 [2018-10-27 15:32:32,075 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,081 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,085 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,089 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,093 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,098 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,102 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,110 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,111 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 20 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 326 treesize of output 420 [2018-10-27 15:32:32,233 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,304 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,369 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,463 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,529 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,611 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,654 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,698 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,743 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,797 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,798 INFO L303 Elim1Store]: Index analysis took 683 ms [2018-10-27 15:32:32,799 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 30 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 348 treesize of output 488 [2018-10-27 15:32:32,813 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,815 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,818 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,820 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,821 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,823 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,825 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,827 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,829 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,831 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,833 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,836 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,838 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 42 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 378 treesize of output 572 [2018-10-27 15:32:32,961 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:32,996 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,035 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,086 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,137 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,187 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,245 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,316 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,368 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,406 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,457 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,515 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,564 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,629 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,629 INFO L303 Elim1Store]: Index analysis took 785 ms [2018-10-27 15:32:33,631 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 56 disjoint index pairs (out of 21 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 416 treesize of output 672 [2018-10-27 15:32:33,644 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,646 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,648 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,650 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,652 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,654 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,656 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,658 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,660 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,662 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,665 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,667 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,669 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,671 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,673 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,675 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,678 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 72 disjoint index pairs (out of 28 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 462 treesize of output 788 [2018-10-27 15:32:33,776 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,829 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,885 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,929 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:33,987 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,034 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,072 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,109 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,162 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,204 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,256 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,300 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,336 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,385 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,421 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,466 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,513 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,573 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,574 INFO L303 Elim1Store]: Index analysis took 887 ms [2018-10-27 15:32:34,575 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 90 disjoint index pairs (out of 36 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 516 treesize of output 920 [2018-10-27 15:32:34,617 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,621 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,624 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,628 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,631 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,635 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,638 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,642 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,646 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,648 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,651 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,655 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,658 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,662 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,666 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,670 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,674 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,677 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,681 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,685 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 110 disjoint index pairs (out of 45 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 578 treesize of output 1068 [2018-10-27 15:32:34,748 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,750 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,756 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,758 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,760 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,762 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,764 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,766 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,767 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,768 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,769 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,771 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,773 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,776 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,778 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,780 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,782 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,784 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,786 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,788 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,790 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,793 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,796 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 132 disjoint index pairs (out of 55 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 648 treesize of output 1232 [2018-10-27 15:32:34,867 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,889 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,913 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,934 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,963 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:34,991 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,008 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,034 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,056 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,083 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,113 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,134 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,154 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,175 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,194 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,204 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,215 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,245 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,265 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,283 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,292 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,308 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,332 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,354 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,355 INFO L303 Elim1Store]: Index analysis took 543 ms [2018-10-27 15:32:35,357 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 156 disjoint index pairs (out of 66 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 726 treesize of output 1412 [2018-10-27 15:32:35,380 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,382 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,383 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,385 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,387 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,388 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,389 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,390 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,392 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,394 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,396 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,398 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,400 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,402 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,404 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,406 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,408 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,409 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,411 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,414 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,416 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,418 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,420 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,422 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,424 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,426 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,430 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 182 disjoint index pairs (out of 78 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 812 treesize of output 1608 [2018-10-27 15:32:35,455 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,457 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,459 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,461 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,462 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,463 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,465 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,466 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,468 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,470 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,472 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,474 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,476 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,478 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,480 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,482 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,484 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,486 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,488 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,490 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,492 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,494 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,496 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,498 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,500 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,502 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,504 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,506 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,510 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 210 disjoint index pairs (out of 91 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 906 treesize of output 1820 [2018-10-27 15:32:35,541 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,542 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,543 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,545 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,547 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,549 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,551 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,552 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,554 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,556 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,558 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,560 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,561 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,563 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,565 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,567 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,569 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,571 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,573 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,574 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,576 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,578 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,580 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,582 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,584 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,586 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,588 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,590 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,592 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,594 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,598 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 240 disjoint index pairs (out of 105 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1008 treesize of output 2048 [2018-10-27 15:32:35,634 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,635 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,637 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,639 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,641 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,643 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,645 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,647 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,649 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,650 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,651 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,652 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,654 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,656 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,657 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,659 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,661 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,663 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,665 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,667 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,669 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,671 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,673 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,675 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,677 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,679 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,681 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,683 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,685 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,687 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,689 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,691 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,695 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 272 disjoint index pairs (out of 120 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1118 treesize of output 2292 [2018-10-27 15:32:35,737 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,738 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,740 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,742 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,744 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,746 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,748 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,750 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,752 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,754 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,756 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,758 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,760 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,762 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,763 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,765 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,767 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,769 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,771 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,773 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,775 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,777 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,779 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,781 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,783 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,785 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,787 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,788 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,790 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,792 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,794 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,796 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,798 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,800 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,805 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 306 disjoint index pairs (out of 136 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1236 treesize of output 2552 [2018-10-27 15:32:35,850 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,854 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,857 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,860 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,863 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,866 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,872 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,875 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,878 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,880 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,883 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,886 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,889 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,892 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,894 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,897 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,900 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,903 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,906 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,909 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,913 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,917 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,920 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,924 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,926 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,929 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,932 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,935 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,938 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,941 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,944 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,947 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,950 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,953 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,956 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,958 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:35,959 INFO L303 Elim1Store]: Index analysis took 123 ms [2018-10-27 15:32:35,962 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 342 disjoint index pairs (out of 153 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1362 treesize of output 2828 [2018-10-27 15:32:36,010 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:36,011 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:36,013 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:36,015 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:36,016 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:36,018 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:36,020 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:36,021 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:36,023 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:36,025 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:36,026 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:36,028 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:36,030 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:36,031 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:36,033 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:36,035 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:36,036 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:36,038 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:36,040 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:36,083 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 361 disjoint index pairs (out of 171 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 1496 treesize of output 3351 [2018-10-27 15:32:36,087 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-10-27 15:32:39,956 INFO L267 ElimStorePlain]: Start of recursive call 66: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:40,957 INFO L267 ElimStorePlain]: Start of recursive call 65: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:41,788 INFO L267 ElimStorePlain]: Start of recursive call 64: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:42,497 INFO L267 ElimStorePlain]: Start of recursive call 63: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:43,079 INFO L267 ElimStorePlain]: Start of recursive call 62: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:43,569 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:43,979 INFO L267 ElimStorePlain]: Start of recursive call 60: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:44,320 INFO L267 ElimStorePlain]: Start of recursive call 59: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:44,610 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:44,875 INFO L267 ElimStorePlain]: Start of recursive call 57: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:45,064 INFO L267 ElimStorePlain]: Start of recursive call 56: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:45,222 INFO L267 ElimStorePlain]: Start of recursive call 55: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:45,362 INFO L267 ElimStorePlain]: Start of recursive call 54: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:45,472 INFO L267 ElimStorePlain]: Start of recursive call 53: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:45,561 INFO L267 ElimStorePlain]: Start of recursive call 52: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:45,647 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:45,740 INFO L267 ElimStorePlain]: Start of recursive call 50: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:45,810 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:45,870 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:46,207 INFO L267 ElimStorePlain]: Start of recursive call 47: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:46,517 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:46,830 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:47,242 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:47,243 INFO L202 ElimStorePlain]: Needed 67 recursive calls to eliminate 3 variables, input treesize:785, output treesize:565 [2018-10-27 15:32:47,730 WARN L179 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2018-10-27 15:32:47,743 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:47,745 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:47,746 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:47,750 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:47,752 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:47,762 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:47,768 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 541 treesize of output 586 [2018-10-27 15:32:47,780 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-10-27 15:32:47,780 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 15:32:48,123 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:48,505 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:48,505 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:580, output treesize:565 [2018-10-27 15:32:48,943 WARN L179 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2018-10-27 15:32:49,010 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:49,031 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:49,054 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:49,099 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:49,125 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:49,147 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:49,155 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:49,156 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:49,158 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:49,158 INFO L303 Elim1Store]: Index analysis took 205 ms [2018-10-27 15:32:49,160 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 539 treesize of output 617 [2018-10-27 15:32:49,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 34 [2018-10-27 15:32:49,168 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 15:32:49,535 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:49,912 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 15:32:49,912 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:575, output treesize:556 [2018-10-27 15:32:50,332 WARN L179 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2018-10-27 15:32:50,346 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:50,348 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:50,349 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:50,351 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:50,353 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:50,354 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:50,356 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:50,357 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:50,359 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:50,364 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:50,365 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:50,369 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 15:32:50,376 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 550 treesize of output 611 [2018-10-27 15:32:50,504 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 38 treesize of output 157 [2018-10-27 15:32:50,505 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2018-10-27 15:32:51,340 INFO L267 ElimStorePlain]: Start of recursive call 3: 1237 dim-0 vars, End of recursive call: 1237 dim-0 vars, and 602 xjuncts. Received shutdown request... [2018-10-27 15:32:56,131 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-27 15:32:56,332 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 15:32:56,332 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 15:32:56,337 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 15:32:56,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:32:56 BoogieIcfgContainer [2018-10-27 15:32:56,338 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 15:32:56,339 INFO L168 Benchmark]: Toolchain (without parser) took 252926.05 ms. Allocated memory was 1.5 GB in the beginning and 2.7 GB in the end (delta: 1.2 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -246.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-10-27 15:32:56,339 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-10-27 15:32:56,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.90 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-10-27 15:32:56,340 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.84 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 15:32:56,340 INFO L168 Benchmark]: Boogie Preprocessor took 101.03 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-10-27 15:32:56,341 INFO L168 Benchmark]: RCFGBuilder took 1380.05 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 780.1 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -735.9 MB). Peak memory consumption was 58.0 MB. Max. memory is 7.1 GB. [2018-10-27 15:32:56,341 INFO L168 Benchmark]: TraceAbstraction took 251015.99 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 433.1 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 468.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-10-27 15:32:56,343 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 307.90 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 115.84 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.03 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1380.05 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 780.1 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -735.9 MB). Peak memory consumption was 58.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 251015.99 ms. Allocated memory was 2.3 GB in the beginning and 2.7 GB in the end (delta: 433.1 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 468.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 5]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 5). Cancelled while BasicCegarLoop was analyzing trace of length 335 with TraceHistMax 65,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while SimplifyDDAWithTimeout was simplifying term of DAG size 11798. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 40 locations, 1 error locations. TIMEOUT Result, 250.9s OverallTime, 22 OverallIterations, 65 TraceHistogramMax, 88.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 804 SDtfs, 5856 SDslu, 4504 SDs, 0 SdLazy, 4753 SolverSat, 1642 SolverUnsat, 9 SolverUnknown, 0 SolverNotchecked, 31.3s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 5767 GetRequests, 4959 SyntacticMatches, 35 SemanticMatches, 773 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 20957 ImplicationChecksByTransitivity, 123.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1222occurred in iteration=21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.8626708259061198 AbsIntWeakeningRatio, 1.803921568627451 AbsIntAvgWeakeningVarsNumRemoved, 4.803921568627451 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 21 MinimizatonAttempts, 2144 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.6s SsaConstructionTime, 3.8s SatisfiabilityAnalysisTime, 76.5s InterpolantComputationTime, 5234 NumberOfCodeBlocks, 4810 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 7726 ConstructedInterpolants, 196 QuantifiedInterpolants, 6255277 SizeOfPredicates, 104 NumberOfNonLiveVariables, 10374 ConjunctsInSsa, 249 ConjunctsInUnsatCore, 53 InterpolantComputations, 5 PerfectInterpolantSequences, 80299/89670 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown