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.epf -i ../../../trunk/examples/svcomp/loops/eureka_01_true-unreach-call.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 04:01:50,429 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 04:01:50,431 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 04:01:50,444 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 04:01:50,445 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 04:01:50,446 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 04:01:50,448 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 04:01:50,450 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 04:01:50,453 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 04:01:50,455 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 04:01:50,456 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 04:01:50,456 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 04:01:50,459 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 04:01:50,460 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 04:01:50,462 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 04:01:50,463 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 04:01:50,464 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 04:01:50,466 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 04:01:50,468 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 04:01:50,469 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 04:01:50,470 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 04:01:50,472 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 04:01:50,474 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 04:01:50,474 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 04:01:50,475 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 04:01:50,475 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 04:01:50,476 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 04:01:50,477 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 04:01:50,478 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 04:01:50,479 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 04:01:50,479 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 04:01:50,480 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 04:01:50,480 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 04:01:50,481 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 04:01:50,482 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 04:01:50,482 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 04:01:50,483 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-27 04:01:50,503 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 04:01:50,504 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 04:01:50,504 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 04:01:50,505 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 04:01:50,505 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 04:01:50,505 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 04:01:50,505 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 04:01:50,505 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 04:01:50,506 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 04:01:50,506 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 04:01:50,506 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 04:01:50,506 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 04:01:50,507 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 04:01:50,507 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 04:01:50,507 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 04:01:50,507 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 04:01:50,508 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 04:01:50,508 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 04:01:50,508 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 04:01:50,508 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 04:01:50,508 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 04:01:50,509 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 04:01:50,509 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 04:01:50,509 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 04:01:50,509 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 04:01:50,509 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 04:01:50,510 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 04:01:50,510 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 04:01:50,510 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 04:01:50,510 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 04:01:50,510 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 04:01:50,511 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 04:01:50,511 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 04:01:50,511 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 04:01:50,555 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 04:01:50,568 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 04:01:50,572 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 04:01:50,573 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 04:01:50,574 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 04:01:50,574 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loops/eureka_01_true-unreach-call.i [2018-10-27 04:01:50,637 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/4dffc0c24/9461935a1ae945a6a973a6db21ffdf26/FLAG33c80349a [2018-10-27 04:01:51,064 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 04:01:51,065 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/eureka_01_true-unreach-call.i [2018-10-27 04:01:51,073 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/4dffc0c24/9461935a1ae945a6a973a6db21ffdf26/FLAG33c80349a [2018-10-27 04:01:51,090 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/4dffc0c24/9461935a1ae945a6a973a6db21ffdf26 [2018-10-27 04:01:51,101 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 04:01:51,103 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 04:01:51,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 04:01:51,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 04:01:51,108 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 04:01:51,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:01:51" (1/1) ... [2018-10-27 04:01:51,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b8c9ed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:01:51, skipping insertion in model container [2018-10-27 04:01:51,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:01:51" (1/1) ... [2018-10-27 04:01:51,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 04:01:51,150 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 04:01:51,391 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 04:01:51,396 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 04:01:51,439 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 04:01:51,462 INFO L193 MainTranslator]: Completed translation [2018-10-27 04:01:51,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:01:51 WrapperNode [2018-10-27 04:01:51,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 04:01:51,464 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 04:01:51,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 04:01:51,464 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 04:01:51,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:01:51" (1/1) ... [2018-10-27 04:01:51,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:01:51" (1/1) ... [2018-10-27 04:01:51,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 04:01:51,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 04:01:51,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 04:01:51,560 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 04:01:51,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:01:51" (1/1) ... [2018-10-27 04:01:51,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:01:51" (1/1) ... [2018-10-27 04:01:51,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:01:51" (1/1) ... [2018-10-27 04:01:51,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:01:51" (1/1) ... [2018-10-27 04:01:51,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:01:51" (1/1) ... [2018-10-27 04:01:51,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:01:51" (1/1) ... [2018-10-27 04:01:51,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:01:51" (1/1) ... [2018-10-27 04:01:51,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 04:01:51,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 04:01:51,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 04:01:51,652 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 04:01:51,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:01:51" (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 04:01:51,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 04:01:51,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 04:01:51,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 04:01:51,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 04:01:51,825 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 04:01:51,825 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 04:01:51,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-27 04:01:51,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-27 04:01:53,055 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 04:01:53,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:01:53 BoogieIcfgContainer [2018-10-27 04:01:53,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 04:01:53,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 04:01:53,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 04:01:53,062 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 04:01:53,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 04:01:51" (1/3) ... [2018-10-27 04:01:53,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a5cda17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:01:53, skipping insertion in model container [2018-10-27 04:01:53,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:01:51" (2/3) ... [2018-10-27 04:01:53,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a5cda17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:01:53, skipping insertion in model container [2018-10-27 04:01:53,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:01:53" (3/3) ... [2018-10-27 04:01:53,066 INFO L112 eAbstractionObserver]: Analyzing ICFG eureka_01_true-unreach-call.i [2018-10-27 04:01:53,077 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 04:01:53,086 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 04:01:53,105 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 04:01:53,141 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 04:01:53,141 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 04:01:53,141 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 04:01:53,141 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 04:01:53,142 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 04:01:53,142 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 04:01:53,142 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 04:01:53,143 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 04:01:53,161 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2018-10-27 04:01:53,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-27 04:01:53,168 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:01:53,169 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 04:01:53,172 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 04:01:53,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:01:53,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1090382313, now seen corresponding path program 1 times [2018-10-27 04:01:53,182 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:01:53,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:01:53,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:01:53,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:01:53,238 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:01:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:01:53,403 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 04:01:53,405 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:01:53,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 04:01:53,406 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:01:53,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-27 04:01:53,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-27 04:01:53,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 04:01:53,431 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 2 states. [2018-10-27 04:01:53,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:01:53,459 INFO L93 Difference]: Finished difference Result 70 states and 94 transitions. [2018-10-27 04:01:53,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-27 04:01:53,461 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-10-27 04:01:53,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:01:53,471 INFO L225 Difference]: With dead ends: 70 [2018-10-27 04:01:53,471 INFO L226 Difference]: Without dead ends: 35 [2018-10-27 04:01:53,475 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 04:01:53,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-10-27 04:01:53,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-10-27 04:01:53,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-10-27 04:01:53,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2018-10-27 04:01:53,530 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 18 [2018-10-27 04:01:53,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:01:53,531 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2018-10-27 04:01:53,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-27 04:01:53,531 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2018-10-27 04:01:53,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-27 04:01:53,532 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:01:53,534 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 04:01:53,534 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 04:01:53,536 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:01:53,536 INFO L82 PathProgramCache]: Analyzing trace with hash -448793496, now seen corresponding path program 1 times [2018-10-27 04:01:53,536 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:01:53,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:01:53,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:01:53,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:01:53,539 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:01:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:01:53,789 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 04:01:53,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:01:53,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:01:53,792 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:01:53,797 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 04:01:53,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 04:01:53,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 04:01:53,798 INFO L87 Difference]: Start difference. First operand 35 states and 41 transitions. Second operand 3 states. [2018-10-27 04:01:54,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:01:54,018 INFO L93 Difference]: Finished difference Result 64 states and 76 transitions. [2018-10-27 04:01:54,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 04:01:54,019 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2018-10-27 04:01:54,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:01:54,020 INFO L225 Difference]: With dead ends: 64 [2018-10-27 04:01:54,020 INFO L226 Difference]: Without dead ends: 39 [2018-10-27 04:01:54,022 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 04:01:54,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-10-27 04:01:54,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2018-10-27 04:01:54,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-10-27 04:01:54,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2018-10-27 04:01:54,037 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 21 [2018-10-27 04:01:54,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:01:54,038 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2018-10-27 04:01:54,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 04:01:54,038 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2018-10-27 04:01:54,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-27 04:01:54,040 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:01:54,040 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 04:01:54,040 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 04:01:54,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:01:54,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1500559425, now seen corresponding path program 1 times [2018-10-27 04:01:54,041 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:01:54,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:01:54,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:01:54,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:01:54,046 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:01:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:01:54,150 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 04:01:54,150 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:01:54,150 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 04:01:54,152 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 26 with the following transitions: [2018-10-27 04:01:54,154 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 04:01:54,215 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 04:01:54,215 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 04:01:54,729 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 04:01:54,730 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 04:01:54,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:01:54,746 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 04:01:55,169 INFO L227 lantSequenceWeakener]: Weakened 11 states. On average, predicates are now at 91.54% of their original sizes. [2018-10-27 04:01:55,170 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 04:01:55,368 INFO L415 sIntCurrentIteration]: We unified 24 AI predicates to 24 [2018-10-27 04:01:55,368 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 04:01:55,369 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 04:01:55,369 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2018-10-27 04:01:55,370 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:01:55,370 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:01:55,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:01:55,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:01:55,371 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand 5 states. [2018-10-27 04:01:56,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:01:56,873 INFO L93 Difference]: Finished difference Result 72 states and 87 transitions. [2018-10-27 04:01:56,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:01:56,873 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-10-27 04:01:56,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:01:56,874 INFO L225 Difference]: With dead ends: 72 [2018-10-27 04:01:56,874 INFO L226 Difference]: Without dead ends: 43 [2018-10-27 04:01:56,877 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:01:56,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-10-27 04:01:56,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2018-10-27 04:01:56,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-10-27 04:01:56,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2018-10-27 04:01:56,885 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 25 [2018-10-27 04:01:56,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:01:56,886 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2018-10-27 04:01:56,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:01:56,886 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2018-10-27 04:01:56,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-27 04:01:56,887 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:01:56,887 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 04:01:56,887 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 04:01:56,888 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:01:56,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1612370840, now seen corresponding path program 1 times [2018-10-27 04:01:56,888 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:01:56,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:01:56,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:01:56,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:01:56,890 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:01:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:01:57,211 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 04:01:57,216 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:01:57,216 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 04:01:57,217 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 30 with the following transitions: [2018-10-27 04:01:57,217 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 04:01:57,227 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 04:01:57,227 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 04:01:58,657 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 04:01:58,657 INFO L272 AbstractInterpreter]: Visited 15 different actions 57 times. Merged at 5 different actions 29 times. Widened at 1 different actions 2 times. Found 7 fixpoints after 4 different actions. Largest state had 48 variables. [2018-10-27 04:01:58,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:01:58,695 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 04:01:58,947 INFO L227 lantSequenceWeakener]: Weakened 18 states. On average, predicates are now at 79.38% of their original sizes. [2018-10-27 04:01:58,948 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 04:01:59,512 INFO L415 sIntCurrentIteration]: We unified 28 AI predicates to 28 [2018-10-27 04:01:59,513 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 04:01:59,513 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 04:01:59,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2018-10-27 04:01:59,513 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:01:59,514 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 04:01:59,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 04:01:59,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2018-10-27 04:01:59,515 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 9 states. [2018-10-27 04:02:00,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:02:00,682 INFO L93 Difference]: Finished difference Result 98 states and 118 transitions. [2018-10-27 04:02:00,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-27 04:02:00,682 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2018-10-27 04:02:00,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:02:00,685 INFO L225 Difference]: With dead ends: 98 [2018-10-27 04:02:00,685 INFO L226 Difference]: Without dead ends: 73 [2018-10-27 04:02:00,686 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=75, Invalid=107, Unknown=0, NotChecked=0, Total=182 [2018-10-27 04:02:00,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-10-27 04:02:00,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 60. [2018-10-27 04:02:00,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-10-27 04:02:00,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 68 transitions. [2018-10-27 04:02:00,712 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 68 transitions. Word has length 29 [2018-10-27 04:02:00,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:02:00,712 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 68 transitions. [2018-10-27 04:02:00,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 04:02:00,713 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2018-10-27 04:02:00,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-27 04:02:00,714 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:02:00,715 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 04:02:00,715 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 04:02:00,715 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:02:00,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1288211203, now seen corresponding path program 1 times [2018-10-27 04:02:00,715 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:02:00,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:02:00,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:02:00,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:02:00,717 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:02:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:02:00,885 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 04:02:00,885 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:02:00,885 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 04:02:00,886 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 52 with the following transitions: [2018-10-27 04:02:00,886 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 04:02:00,889 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 04:02:00,890 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 04:02:01,770 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 04:02:01,771 INFO L272 AbstractInterpreter]: Visited 18 different actions 60 times. Merged at 5 different actions 29 times. Widened at 1 different actions 2 times. Found 7 fixpoints after 4 different actions. Largest state had 55 variables. [2018-10-27 04:02:01,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:02:01,776 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 04:02:02,028 INFO L227 lantSequenceWeakener]: Weakened 26 states. On average, predicates are now at 61.32% of their original sizes. [2018-10-27 04:02:02,029 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 04:02:02,439 INFO L415 sIntCurrentIteration]: We unified 50 AI predicates to 50 [2018-10-27 04:02:02,439 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 04:02:02,439 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 04:02:02,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-10-27 04:02:02,439 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:02:02,440 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 04:02:02,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 04:02:02,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-10-27 04:02:02,441 INFO L87 Difference]: Start difference. First operand 60 states and 68 transitions. Second operand 10 states. [2018-10-27 04:02:04,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:02:04,395 INFO L93 Difference]: Finished difference Result 110 states and 125 transitions. [2018-10-27 04:02:04,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-27 04:02:04,395 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 51 [2018-10-27 04:02:04,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:02:04,397 INFO L225 Difference]: With dead ends: 110 [2018-10-27 04:02:04,397 INFO L226 Difference]: Without dead ends: 73 [2018-10-27 04:02:04,398 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=96, Invalid=144, Unknown=0, NotChecked=0, Total=240 [2018-10-27 04:02:04,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-10-27 04:02:04,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 62. [2018-10-27 04:02:04,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-10-27 04:02:04,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 70 transitions. [2018-10-27 04:02:04,426 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 70 transitions. Word has length 51 [2018-10-27 04:02:04,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:02:04,426 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 70 transitions. [2018-10-27 04:02:04,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 04:02:04,426 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2018-10-27 04:02:04,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-27 04:02:04,428 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:02:04,428 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 04:02:04,428 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 04:02:04,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:02:04,429 INFO L82 PathProgramCache]: Analyzing trace with hash -425294966, now seen corresponding path program 1 times [2018-10-27 04:02:04,429 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:02:04,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:02:04,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:02:04,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:02:04,430 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:02:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:02:04,685 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 04:02:04,685 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:02:04,685 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 04:02:04,685 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 56 with the following transitions: [2018-10-27 04:02:04,686 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 04:02:04,689 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 04:02:04,689 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 04:02:10,452 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 04:02:10,452 INFO L272 AbstractInterpreter]: Visited 35 different actions 324 times. Merged at 17 different actions 224 times. Widened at 5 different actions 42 times. Found 16 fixpoints after 9 different actions. Largest state had 61 variables. [2018-10-27 04:02:10,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:02:10,459 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 04:02:10,459 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:02:10,459 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 04:02:10,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:02:10,469 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 04:02:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:02:10,569 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:02:10,998 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 04:02:10,998 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 04:02:11,434 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 04:02:11,468 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 04:02:11,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2018-10-27 04:02:11,468 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 04:02:11,469 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 04:02:11,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 04:02:11,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=46, Unknown=0, NotChecked=0, Total=90 [2018-10-27 04:02:11,470 INFO L87 Difference]: Start difference. First operand 62 states and 70 transitions. Second operand 8 states. [2018-10-27 04:02:11,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:02:11,806 INFO L93 Difference]: Finished difference Result 121 states and 138 transitions. [2018-10-27 04:02:11,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:02:11,807 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 55 [2018-10-27 04:02:11,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:02:11,808 INFO L225 Difference]: With dead ends: 121 [2018-10-27 04:02:11,809 INFO L226 Difference]: Without dead ends: 75 [2018-10-27 04:02:11,810 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 105 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=44, Invalid=46, Unknown=0, NotChecked=0, Total=90 [2018-10-27 04:02:11,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-10-27 04:02:11,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 66. [2018-10-27 04:02:11,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-10-27 04:02:11,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 75 transitions. [2018-10-27 04:02:11,841 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 75 transitions. Word has length 55 [2018-10-27 04:02:11,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:02:11,842 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 75 transitions. [2018-10-27 04:02:11,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 04:02:11,842 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 75 transitions. [2018-10-27 04:02:11,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-27 04:02:11,843 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:02:11,844 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 04:02:11,844 INFO L424 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 04:02:11,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:02:11,844 INFO L82 PathProgramCache]: Analyzing trace with hash -838188767, now seen corresponding path program 2 times [2018-10-27 04:02:11,844 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:02:11,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:02:11,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:02:11,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:02:11,846 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:02:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:02:12,267 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 04:02:12,268 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:02:12,268 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 04:02:12,268 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 04:02:12,268 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 04:02:12,269 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:02:12,269 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 04:02:12,285 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-27 04:02:12,286 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-10-27 04:02:12,477 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-10-27 04:02:12,478 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-27 04:02:12,483 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:02:12,545 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 04:02:12,546 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 04:02:12,604 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 04:02:12,626 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-10-27 04:02:12,626 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [7, 4] total 11 [2018-10-27 04:02:12,627 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:02:12,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:02:12,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:02:12,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-10-27 04:02:12,628 INFO L87 Difference]: Start difference. First operand 66 states and 75 transitions. Second operand 4 states. [2018-10-27 04:02:12,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:02:12,754 INFO L93 Difference]: Finished difference Result 106 states and 122 transitions. [2018-10-27 04:02:12,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:02:12,754 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2018-10-27 04:02:12,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:02:12,756 INFO L225 Difference]: With dead ends: 106 [2018-10-27 04:02:12,756 INFO L226 Difference]: Without dead ends: 72 [2018-10-27 04:02:12,757 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-10-27 04:02:12,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-10-27 04:02:12,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68. [2018-10-27 04:02:12,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-10-27 04:02:12,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 77 transitions. [2018-10-27 04:02:12,796 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 77 transitions. Word has length 59 [2018-10-27 04:02:12,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:02:12,796 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 77 transitions. [2018-10-27 04:02:12,796 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:02:12,796 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 77 transitions. [2018-10-27 04:02:12,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-27 04:02:12,797 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:02:12,798 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 04:02:12,798 INFO L424 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 04:02:12,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:02:12,798 INFO L82 PathProgramCache]: Analyzing trace with hash -348759238, now seen corresponding path program 3 times [2018-10-27 04:02:12,798 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:02:12,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:02:12,799 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 04:02:12,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:02:12,800 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:02:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:02:12,974 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 04:02:12,975 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:02:12,975 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 04:02:12,975 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 04:02:12,975 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 04:02:12,975 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:02:12,975 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 04:02:12,986 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-27 04:02:12,986 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-10-27 04:02:13,029 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-27 04:02:13,029 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-27 04:02:13,033 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:02:13,073 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 04:02:13,073 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 04:02:13,100 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 04:02:13,121 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-27 04:02:13,121 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [7] total 9 [2018-10-27 04:02:13,122 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:02:13,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:02:13,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:02:13,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-27 04:02:13,123 INFO L87 Difference]: Start difference. First operand 68 states and 77 transitions. Second operand 4 states. [2018-10-27 04:02:13,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:02:13,373 INFO L93 Difference]: Finished difference Result 123 states and 140 transitions. [2018-10-27 04:02:13,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:02:13,373 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2018-10-27 04:02:13,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:02:13,374 INFO L225 Difference]: With dead ends: 123 [2018-10-27 04:02:13,374 INFO L226 Difference]: Without dead ends: 68 [2018-10-27 04:02:13,375 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 123 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-27 04:02:13,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-10-27 04:02:13,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-10-27 04:02:13,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-10-27 04:02:13,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2018-10-27 04:02:13,401 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 75 transitions. Word has length 63 [2018-10-27 04:02:13,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:02:13,401 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 75 transitions. [2018-10-27 04:02:13,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:02:13,402 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2018-10-27 04:02:13,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-27 04:02:13,403 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:02:13,403 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 04:02:13,403 INFO L424 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 04:02:13,403 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:02:13,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1917621948, now seen corresponding path program 4 times [2018-10-27 04:02:13,404 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:02:13,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:02:13,405 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 04:02:13,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:02:13,405 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:02:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:02:13,567 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 04:02:13,567 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:02:13,567 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 04:02:13,567 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 04:02:13,568 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 04:02:13,568 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:02:13,568 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 04:02:13,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:02:13,576 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 04:02:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:02:13,641 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:02:13,780 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 04:02:13,781 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 04:02:13,834 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 04:02:13,857 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 04:02:13,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2018-10-27 04:02:13,857 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 04:02:13,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 04:02:13,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 04:02:13,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=58, Unknown=0, NotChecked=0, Total=110 [2018-10-27 04:02:13,858 INFO L87 Difference]: Start difference. First operand 68 states and 75 transitions. Second operand 10 states. [2018-10-27 04:02:14,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:02:14,248 INFO L93 Difference]: Finished difference Result 122 states and 136 transitions. [2018-10-27 04:02:14,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 04:02:14,248 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 63 [2018-10-27 04:02:14,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:02:14,249 INFO L225 Difference]: With dead ends: 122 [2018-10-27 04:02:14,249 INFO L226 Difference]: Without dead ends: 74 [2018-10-27 04:02:14,250 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 119 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=58, Unknown=0, NotChecked=0, Total=110 [2018-10-27 04:02:14,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-10-27 04:02:14,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2018-10-27 04:02:14,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-10-27 04:02:14,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 79 transitions. [2018-10-27 04:02:14,276 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 79 transitions. Word has length 63 [2018-10-27 04:02:14,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:02:14,276 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 79 transitions. [2018-10-27 04:02:14,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 04:02:14,277 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 79 transitions. [2018-10-27 04:02:14,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-27 04:02:14,278 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:02:14,278 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 04:02:14,278 INFO L424 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 04:02:14,278 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:02:14,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1817610283, now seen corresponding path program 5 times [2018-10-27 04:02:14,278 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:02:14,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:02:14,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:02:14,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:02:14,280 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:02:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:02:14,437 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 04:02:14,438 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:02:14,438 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 04:02:14,438 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 04:02:14,438 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 04:02:14,438 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:02:14,438 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 04:02:14,445 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-27 04:02:14,446 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-10-27 04:02:14,700 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-10-27 04:02:14,700 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-27 04:02:14,704 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:02:14,766 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 04:02:14,767 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 04:02:14,833 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 04:02:14,855 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 04:02:14,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2018-10-27 04:02:14,855 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 04:02:14,856 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-27 04:02:14,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-27 04:02:14,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2018-10-27 04:02:14,857 INFO L87 Difference]: Start difference. First operand 72 states and 79 transitions. Second operand 11 states. [2018-10-27 04:02:15,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:02:15,327 INFO L93 Difference]: Finished difference Result 185 states and 214 transitions. [2018-10-27 04:02:15,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 04:02:15,328 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 67 [2018-10-27 04:02:15,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:02:15,329 INFO L225 Difference]: With dead ends: 185 [2018-10-27 04:02:15,329 INFO L226 Difference]: Without dead ends: 137 [2018-10-27 04:02:15,330 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 127 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=105, Unknown=0, NotChecked=0, Total=182 [2018-10-27 04:02:15,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-10-27 04:02:15,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 103. [2018-10-27 04:02:15,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-10-27 04:02:15,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 116 transitions. [2018-10-27 04:02:15,362 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 116 transitions. Word has length 67 [2018-10-27 04:02:15,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:02:15,362 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 116 transitions. [2018-10-27 04:02:15,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-27 04:02:15,362 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 116 transitions. [2018-10-27 04:02:15,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-27 04:02:15,364 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:02:15,364 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 04:02:15,364 INFO L424 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 04:02:15,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:02:15,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1269599739, now seen corresponding path program 6 times [2018-10-27 04:02:15,365 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:02:15,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:02:15,365 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 04:02:15,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:02:15,366 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:02:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:02:15,668 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 04:02:15,669 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:02:15,669 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 04:02:15,669 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 04:02:15,669 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 04:02:15,669 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:02:15,669 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 04:02:15,683 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-27 04:02:15,684 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-10-27 04:02:15,755 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-27 04:02:15,755 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-27 04:02:15,760 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:02:16,177 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 04:02:16,178 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 04:02:16,221 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 04:02:16,242 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 04:02:16,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 12 [2018-10-27 04:02:16,242 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 04:02:16,243 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 04:02:16,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 04:02:16,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-10-27 04:02:16,243 INFO L87 Difference]: Start difference. First operand 103 states and 116 transitions. Second operand 10 states. [2018-10-27 04:02:16,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:02:16,513 INFO L93 Difference]: Finished difference Result 199 states and 237 transitions. [2018-10-27 04:02:16,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:02:16,514 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 98 [2018-10-27 04:02:16,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:02:16,515 INFO L225 Difference]: With dead ends: 199 [2018-10-27 04:02:16,515 INFO L226 Difference]: Without dead ends: 133 [2018-10-27 04:02:16,516 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 187 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2018-10-27 04:02:16,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-10-27 04:02:16,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 123. [2018-10-27 04:02:16,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-10-27 04:02:16,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 141 transitions. [2018-10-27 04:02:16,555 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 141 transitions. Word has length 98 [2018-10-27 04:02:16,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:02:16,555 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 141 transitions. [2018-10-27 04:02:16,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 04:02:16,556 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 141 transitions. [2018-10-27 04:02:16,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-27 04:02:16,557 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:02:16,557 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 04:02:16,558 INFO L424 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 04:02:16,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:02:16,558 INFO L82 PathProgramCache]: Analyzing trace with hash 744309214, now seen corresponding path program 7 times [2018-10-27 04:02:16,558 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:02:16,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:02:16,559 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 04:02:16,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:02:16,559 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:02:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:02:16,741 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 04:02:16,742 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:02:16,742 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 04:02:16,742 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 04:02:16,742 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 04:02:16,742 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:02:16,742 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 04:02:16,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:02:16,750 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 04:02:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:02:16,849 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:02:16,916 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 04:02:16,916 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 04:02:17,018 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 04:02:17,040 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 04:02:17,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2018-10-27 04:02:17,040 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 04:02:17,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 04:02:17,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 04:02:17,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=89, Unknown=0, NotChecked=0, Total=156 [2018-10-27 04:02:17,041 INFO L87 Difference]: Start difference. First operand 123 states and 141 transitions. Second operand 9 states. [2018-10-27 04:02:17,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:02:17,374 INFO L93 Difference]: Finished difference Result 235 states and 282 transitions. [2018-10-27 04:02:17,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 04:02:17,374 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 118 [2018-10-27 04:02:17,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:02:17,376 INFO L225 Difference]: With dead ends: 235 [2018-10-27 04:02:17,376 INFO L226 Difference]: Without dead ends: 153 [2018-10-27 04:02:17,377 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=89, Unknown=0, NotChecked=0, Total=156 [2018-10-27 04:02:17,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-10-27 04:02:17,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 143. [2018-10-27 04:02:17,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-10-27 04:02:17,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 166 transitions. [2018-10-27 04:02:17,424 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 166 transitions. Word has length 118 [2018-10-27 04:02:17,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:02:17,424 INFO L481 AbstractCegarLoop]: Abstraction has 143 states and 166 transitions. [2018-10-27 04:02:17,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 04:02:17,425 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 166 transitions. [2018-10-27 04:02:17,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-27 04:02:17,426 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:02:17,426 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 04:02:17,427 INFO L424 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 04:02:17,427 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:02:17,427 INFO L82 PathProgramCache]: Analyzing trace with hash 837643063, now seen corresponding path program 8 times [2018-10-27 04:02:17,427 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:02:17,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:02:17,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:02:17,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:02:17,428 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:02:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:02:17,978 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 04:02:17,979 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:02:17,979 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 04:02:17,979 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 04:02:17,979 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 04:02:17,980 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:02:17,980 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 04:02:17,997 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-27 04:02:17,997 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-10-27 04:02:18,543 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-10-27 04:02:18,544 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-27 04:02:18,550 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:02:18,750 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 04:02:18,750 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 04:02:18,871 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 04:02:18,893 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 04:02:18,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 16 [2018-10-27 04:02:18,894 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 04:02:18,895 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-27 04:02:18,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-27 04:02:18,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2018-10-27 04:02:18,896 INFO L87 Difference]: Start difference. First operand 143 states and 166 transitions. Second operand 11 states. [2018-10-27 04:02:19,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:02:19,690 INFO L93 Difference]: Finished difference Result 297 states and 358 transitions. [2018-10-27 04:02:19,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-10-27 04:02:19,690 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 138 [2018-10-27 04:02:19,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:02:19,692 INFO L225 Difference]: With dead ends: 297 [2018-10-27 04:02:19,692 INFO L226 Difference]: Without dead ends: 199 [2018-10-27 04:02:19,693 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=426, Invalid=764, Unknown=0, NotChecked=0, Total=1190 [2018-10-27 04:02:19,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2018-10-27 04:02:19,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 167. [2018-10-27 04:02:19,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-10-27 04:02:19,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 195 transitions. [2018-10-27 04:02:19,737 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 195 transitions. Word has length 138 [2018-10-27 04:02:19,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:02:19,737 INFO L481 AbstractCegarLoop]: Abstraction has 167 states and 195 transitions. [2018-10-27 04:02:19,737 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-27 04:02:19,737 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 195 transitions. [2018-10-27 04:02:19,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-27 04:02:19,739 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:02:19,739 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 04:02:19,739 INFO L424 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 04:02:19,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:02:19,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1713657975, now seen corresponding path program 9 times [2018-10-27 04:02:19,740 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:02:19,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:02:19,741 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 04:02:19,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:02:19,741 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:02:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:02:19,971 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 04:02:19,971 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:02:19,971 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 04:02:19,972 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 04:02:19,972 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 04:02:19,972 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:02:19,972 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 04:02:19,980 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-27 04:02:19,981 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-10-27 04:02:20,158 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-27 04:02:20,158 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-27 04:02:20,166 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:02:20,196 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 04:02:20,217 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 04:02:20,217 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:02:20,220 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:02:20,229 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 04:02:20,230 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:15 [2018-10-27 04:02:20,283 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 04:02:20,291 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:02:20,293 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 04:02:20,294 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:02:20,305 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:02:20,317 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 04:02:20,318 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:31, output treesize:12 [2018-10-27 04:02:20,367 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 04:02:20,371 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:02:20,375 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 04:02:20,376 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:02:20,384 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:02:20,390 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 04:02:20,391 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:31, output treesize:12 [2018-10-27 04:02:20,427 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 04:02:20,431 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:02:20,433 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 04:02:20,434 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:02:20,441 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:02:20,450 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 04:02:20,450 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:31, output treesize:12 [2018-10-27 04:02:20,486 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 04:02:20,527 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:02:20,530 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 04:02:20,531 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:02:20,538 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:02:20,551 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 04:02:20,552 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:16 [2018-10-27 04:02:21,476 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 04:02:21,501 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:02:21,502 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 04:02:21,502 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:02:21,521 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:02:21,527 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 04:02:21,528 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:26, output treesize:3 [2018-10-27 04:02:21,730 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 04:02:21,730 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 04:02:23,739 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-10-27 04:02:23,931 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 04:02:23,954 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 04:02:23,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 23, 23] total 49 [2018-10-27 04:02:23,955 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 04:02:23,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-10-27 04:02:23,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-10-27 04:02:23,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=2090, Unknown=0, NotChecked=0, Total=2352 [2018-10-27 04:02:23,957 INFO L87 Difference]: Start difference. First operand 167 states and 195 transitions. Second operand 29 states. [2018-10-27 04:02:26,703 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-10-27 04:02:31,153 WARN L179 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2018-10-27 04:02:32,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:02:32,769 INFO L93 Difference]: Finished difference Result 640 states and 783 transitions. [2018-10-27 04:02:32,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2018-10-27 04:02:32,770 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 162 [2018-10-27 04:02:32,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:02:32,775 INFO L225 Difference]: With dead ends: 640 [2018-10-27 04:02:32,776 INFO L226 Difference]: Without dead ends: 522 [2018-10-27 04:02:32,781 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 287 SyntacticMatches, 3 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 4053 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=2153, Invalid=13849, Unknown=0, NotChecked=0, Total=16002 [2018-10-27 04:02:32,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2018-10-27 04:02:32,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 384. [2018-10-27 04:02:32,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2018-10-27 04:02:32,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 457 transitions. [2018-10-27 04:02:32,889 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 457 transitions. Word has length 162 [2018-10-27 04:02:32,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:02:32,889 INFO L481 AbstractCegarLoop]: Abstraction has 384 states and 457 transitions. [2018-10-27 04:02:32,889 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-10-27 04:02:32,889 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 457 transitions. [2018-10-27 04:02:32,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-27 04:02:32,892 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:02:32,892 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 04:02:32,892 INFO L424 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 04:02:32,893 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:02:32,893 INFO L82 PathProgramCache]: Analyzing trace with hash 2043606880, now seen corresponding path program 1 times [2018-10-27 04:02:32,893 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:02:32,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:02:32,894 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 04:02:32,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:02:32,894 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:02:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:02:33,156 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 04:02:33,157 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:02:33,157 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 04:02:33,157 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 183 with the following transitions: [2018-10-27 04:02:33,158 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 04:02:33,161 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 04:02:33,161 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 04:02:40,087 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 04:02:40,088 INFO L272 AbstractInterpreter]: Visited 36 different actions 349 times. Merged at 17 different actions 224 times. Widened at 5 different actions 42 times. Found 41 fixpoints after 10 different actions. Largest state had 63 variables. [2018-10-27 04:02:40,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:02:40,096 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 04:02:40,096 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:02:40,096 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 04:02:40,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:02:40,104 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 04:02:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:02:40,276 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:02:40,394 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 04:02:40,394 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 04:02:40,515 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 04:02:40,536 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 04:02:40,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2018-10-27 04:02:40,537 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 04:02:40,537 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-27 04:02:40,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-27 04:02:40,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=263, Unknown=0, NotChecked=0, Total=462 [2018-10-27 04:02:40,538 INFO L87 Difference]: Start difference. First operand 384 states and 457 transitions. Second operand 15 states. [2018-10-27 04:02:40,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:02:40,910 INFO L93 Difference]: Finished difference Result 752 states and 917 transitions. [2018-10-27 04:02:40,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-27 04:02:40,911 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 182 [2018-10-27 04:02:40,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:02:40,915 INFO L225 Difference]: With dead ends: 752 [2018-10-27 04:02:40,915 INFO L226 Difference]: Without dead ends: 450 [2018-10-27 04:02:40,916 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=199, Invalid=263, Unknown=0, NotChecked=0, Total=462 [2018-10-27 04:02:40,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2018-10-27 04:02:41,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 428. [2018-10-27 04:02:41,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2018-10-27 04:02:41,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 512 transitions. [2018-10-27 04:02:41,022 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 512 transitions. Word has length 182 [2018-10-27 04:02:41,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:02:41,022 INFO L481 AbstractCegarLoop]: Abstraction has 428 states and 512 transitions. [2018-10-27 04:02:41,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-27 04:02:41,022 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 512 transitions. [2018-10-27 04:02:41,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-27 04:02:41,023 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:02:41,023 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 04:02:41,024 INFO L424 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 04:02:41,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:02:41,024 INFO L82 PathProgramCache]: Analyzing trace with hash -35841863, now seen corresponding path program 2 times [2018-10-27 04:02:41,024 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:02:41,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:02:41,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:02:41,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:02:41,025 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:02:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:02:41,917 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 04:02:41,918 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:02:41,918 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 04:02:41,918 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 04:02:41,918 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 04:02:41,918 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:02:41,918 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 04:02:41,926 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-27 04:02:41,926 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-10-27 04:02:42,541 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-10-27 04:02:42,541 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-27 04:02:42,549 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:02:42,567 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 04:02:42,573 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 04:02:42,583 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:02:42,585 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:02:42,587 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:02:42,588 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 04:02:42,588 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-27 04:02:42,594 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:02:42,601 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:02:42,615 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:02:42,615 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:27, output treesize:25 [2018-10-27 04:02:42,646 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 04:02:42,652 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 04:02:42,652 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:02:42,654 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:02:42,755 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 04:02:42,756 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:36, output treesize:25 [2018-10-27 04:02:43,178 WARN L179 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-10-27 04:02:43,686 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 04:02:43,828 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 04:02:43,828 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-10-27 04:02:43,841 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 27 xjuncts. [2018-10-27 04:02:44,144 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 8 xjuncts. [2018-10-27 04:02:44,342 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 04:02:44,342 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:152, output treesize:855 [2018-10-27 04:03:02,901 WARN L179 SmtUtils]: Spent 14.31 s on a formula simplification that was a NOOP. DAG size: 195 [2018-10-27 04:03:31,120 WARN L179 SmtUtils]: Spent 21.78 s on a formula simplification that was a NOOP. DAG size: 278 [2018-10-27 04:03:31,484 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 04:03:31,485 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 04:03:32,158 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 04:03:32,186 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 04:03:32,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 27 [2018-10-27 04:03:32,187 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 04:03:32,188 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-27 04:03:32,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-27 04:03:32,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=534, Unknown=5, NotChecked=0, Total=702 [2018-10-27 04:03:32,190 INFO L87 Difference]: Start difference. First operand 428 states and 512 transitions. Second operand 18 states. [2018-10-27 04:04:00,911 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2018-10-27 04:04:01,540 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2018-10-27 04:04:02,193 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2018-10-27 04:04:02,947 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2018-10-27 04:04:03,942 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2018-10-27 04:04:04,965 WARN L179 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2018-10-27 04:04:06,092 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2018-10-27 04:04:06,826 WARN L179 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 201 [2018-10-27 04:04:07,707 WARN L179 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 291 [2018-10-27 04:04:07,959 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 81 [2018-10-27 04:04:09,081 WARN L179 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 312 [2018-10-27 04:04:09,785 WARN L179 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 203 [2018-10-27 04:04:10,857 WARN L179 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 291 [2018-10-27 04:04:11,127 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 81 [2018-10-27 04:04:12,308 WARN L179 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 312 [2018-10-27 04:04:13,168 WARN L179 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 203 [2018-10-27 04:04:14,446 WARN L179 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 291 [2018-10-27 04:04:14,751 WARN L179 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 81 [2018-10-27 04:04:15,901 WARN L179 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 312 [2018-10-27 04:04:16,755 WARN L179 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 203 [2018-10-27 04:04:18,087 WARN L179 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 291 [2018-10-27 04:04:18,309 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 81 [2018-10-27 04:04:19,270 WARN L179 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 312 [2018-10-27 04:04:19,870 WARN L179 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 203 [2018-10-27 04:04:20,833 WARN L179 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 291 [2018-10-27 04:04:21,049 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 81 [2018-10-27 04:04:22,004 WARN L179 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 312 [2018-10-27 04:04:22,617 WARN L179 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 203 [2018-10-27 04:04:23,640 WARN L179 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 291 [2018-10-27 04:04:23,888 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 81 [2018-10-27 04:04:24,911 WARN L179 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 312 [2018-10-27 04:04:25,559 WARN L179 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 203 [2018-10-27 04:04:26,607 WARN L179 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 288 [2018-10-27 04:04:26,891 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2018-10-27 04:04:28,025 WARN L179 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 309 [2018-10-27 04:04:28,708 WARN L179 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 205 [2018-10-27 04:04:29,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:04:29,323 INFO L93 Difference]: Finished difference Result 1438 states and 1794 transitions. [2018-10-27 04:04:29,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2018-10-27 04:04:29,323 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 202 [2018-10-27 04:04:29,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:04:29,329 INFO L225 Difference]: With dead ends: 1438 [2018-10-27 04:04:29,329 INFO L226 Difference]: Without dead ends: 1100 [2018-10-27 04:04:29,334 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 386 SyntacticMatches, 2 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3915 ImplicationChecksByTransitivity, 83.3s TimeCoverageRelationStatistics Valid=2477, Invalid=9946, Unknown=9, NotChecked=0, Total=12432 [2018-10-27 04:04:29,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2018-10-27 04:04:29,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 864. [2018-10-27 04:04:29,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 864 states. [2018-10-27 04:04:29,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1057 transitions. [2018-10-27 04:04:29,625 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1057 transitions. Word has length 202 [2018-10-27 04:04:29,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:04:29,625 INFO L481 AbstractCegarLoop]: Abstraction has 864 states and 1057 transitions. [2018-10-27 04:04:29,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-10-27 04:04:29,626 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1057 transitions. [2018-10-27 04:04:29,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-10-27 04:04:29,629 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:04:29,629 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 04:04:29,629 INFO L424 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 04:04:29,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:04:29,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1123703662, now seen corresponding path program 3 times [2018-10-27 04:04:29,630 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:04:29,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:04:29,631 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 04:04:29,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:04:29,631 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:04:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:04:30,473 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 04:04:30,474 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:04:30,474 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 04:04:30,474 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 04:04:30,474 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 04:04:30,474 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:04:30,474 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 04:04:30,492 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-27 04:04:30,492 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-10-27 04:04:30,678 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-27 04:04:30,678 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-27 04:04:30,685 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:04:30,903 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 04:04:30,903 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 04:04:31,163 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 04:04:31,186 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 04:04:31,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15, 15] total 32 [2018-10-27 04:04:31,186 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 04:04:31,187 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-10-27 04:04:31,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-10-27 04:04:31,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=806, Unknown=0, NotChecked=0, Total=992 [2018-10-27 04:04:31,188 INFO L87 Difference]: Start difference. First operand 864 states and 1057 transitions. Second operand 24 states. [2018-10-27 04:04:34,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:04:34,374 INFO L93 Difference]: Finished difference Result 1938 states and 2404 transitions. [2018-10-27 04:04:34,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-10-27 04:04:34,380 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 222 [2018-10-27 04:04:34,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:04:34,386 INFO L225 Difference]: With dead ends: 1938 [2018-10-27 04:04:34,387 INFO L226 Difference]: Without dead ends: 1218 [2018-10-27 04:04:34,391 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 517 GetRequests, 424 SyntacticMatches, 5 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2219 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1779, Invalid=6231, Unknown=0, NotChecked=0, Total=8010 [2018-10-27 04:04:34,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2018-10-27 04:04:34,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 906. [2018-10-27 04:04:34,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 906 states. [2018-10-27 04:04:34,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1109 transitions. [2018-10-27 04:04:34,793 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1109 transitions. Word has length 222 [2018-10-27 04:04:34,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:04:34,794 INFO L481 AbstractCegarLoop]: Abstraction has 906 states and 1109 transitions. [2018-10-27 04:04:34,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-10-27 04:04:34,794 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1109 transitions. [2018-10-27 04:04:34,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-10-27 04:04:34,797 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:04:34,797 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 04:04:34,797 INFO L424 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 04:04:34,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:04:34,798 INFO L82 PathProgramCache]: Analyzing trace with hash 968477924, now seen corresponding path program 4 times [2018-10-27 04:04:34,798 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:04:34,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:04:34,799 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 04:04:34,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:04:34,799 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:04:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:04:36,002 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 04:04:36,003 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:04:36,003 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 04:04:36,003 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 04:04:36,003 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 04:04:36,003 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:04:36,003 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 04:04:36,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:04:36,013 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 04:04:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:04:36,251 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:04:36,414 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 04:04:36,414 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 04:04:36,742 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 04:04:36,765 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 04:04:36,765 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 31 [2018-10-27 04:04:36,765 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 04:04:36,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-10-27 04:04:36,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-10-27 04:04:36,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=403, Invalid=527, Unknown=0, NotChecked=0, Total=930 [2018-10-27 04:04:36,767 INFO L87 Difference]: Start difference. First operand 906 states and 1109 transitions. Second operand 21 states. [2018-10-27 04:04:37,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:04:37,425 INFO L93 Difference]: Finished difference Result 1818 states and 2253 transitions. [2018-10-27 04:04:37,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-27 04:04:37,425 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 246 [2018-10-27 04:04:37,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:04:37,430 INFO L225 Difference]: With dead ends: 1818 [2018-10-27 04:04:37,430 INFO L226 Difference]: Without dead ends: 1068 [2018-10-27 04:04:37,432 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 474 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=403, Invalid=527, Unknown=0, NotChecked=0, Total=930 [2018-10-27 04:04:37,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2018-10-27 04:04:37,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 982. [2018-10-27 04:04:37,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 982 states. [2018-10-27 04:04:37,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 982 states and 1204 transitions. [2018-10-27 04:04:37,763 INFO L78 Accepts]: Start accepts. Automaton has 982 states and 1204 transitions. Word has length 246 [2018-10-27 04:04:37,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:04:37,763 INFO L481 AbstractCegarLoop]: Abstraction has 982 states and 1204 transitions. [2018-10-27 04:04:37,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-10-27 04:04:37,764 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1204 transitions. [2018-10-27 04:04:37,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-10-27 04:04:37,769 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:04:37,769 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 04:04:37,770 INFO L424 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 04:04:37,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:04:37,770 INFO L82 PathProgramCache]: Analyzing trace with hash 314107453, now seen corresponding path program 5 times [2018-10-27 04:04:37,770 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:04:37,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:04:37,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:04:37,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:04:37,771 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:04:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:04:38,203 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 04:04:38,203 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:04:38,203 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 04:04:38,203 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 04:04:38,203 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 04:04:38,203 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:04:38,203 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 04:04:38,211 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-27 04:04:38,211 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-10-27 04:04:39,005 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2018-10-27 04:04:39,005 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-27 04:04:39,015 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:04:39,269 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 04:04:39,270 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 04:04:39,553 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 04:04:39,577 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 04:04:39,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 26 [2018-10-27 04:04:39,577 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 04:04:39,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-27 04:04:39,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-27 04:04:39,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=475, Unknown=0, NotChecked=0, Total=650 [2018-10-27 04:04:39,579 INFO L87 Difference]: Start difference. First operand 982 states and 1204 transitions. Second operand 19 states. [2018-10-27 04:04:42,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:04:42,883 INFO L93 Difference]: Finished difference Result 2335 states and 2905 transitions. [2018-10-27 04:04:42,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2018-10-27 04:04:42,884 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 266 [2018-10-27 04:04:42,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:04:42,891 INFO L225 Difference]: With dead ends: 2335 [2018-10-27 04:04:42,891 INFO L226 Difference]: Without dead ends: 1521 [2018-10-27 04:04:42,896 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 613 GetRequests, 520 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2631 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=2860, Invalid=6070, Unknown=0, NotChecked=0, Total=8930 [2018-10-27 04:04:42,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2018-10-27 04:04:43,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 1062. [2018-10-27 04:04:43,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1062 states. [2018-10-27 04:04:43,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1303 transitions. [2018-10-27 04:04:43,272 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1303 transitions. Word has length 266 [2018-10-27 04:04:43,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:04:43,272 INFO L481 AbstractCegarLoop]: Abstraction has 1062 states and 1303 transitions. [2018-10-27 04:04:43,272 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-27 04:04:43,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1303 transitions. [2018-10-27 04:04:43,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-10-27 04:04:43,276 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:04:43,276 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 04:04:43,277 INFO L424 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 04:04:43,277 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:04:43,277 INFO L82 PathProgramCache]: Analyzing trace with hash -49864817, now seen corresponding path program 6 times [2018-10-27 04:04:43,277 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:04:43,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:04:43,278 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 04:04:43,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:04:43,278 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:04:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:04:44,045 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 04:04:44,045 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:04:44,045 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 04:04:44,045 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 04:04:44,045 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 04:04:44,046 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:04:44,046 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 04:04:44,054 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-27 04:04:44,054 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-10-27 04:04:44,329 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-27 04:04:44,330 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-27 04:04:44,339 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:04:44,884 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 04:04:44,885 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 04:04:45,270 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 04:04:45,292 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 04:04:45,292 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 20, 20] total 43 [2018-10-27 04:04:45,293 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 04:04:45,293 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-10-27 04:04:45,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-10-27 04:04:45,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=1481, Unknown=0, NotChecked=0, Total=1806 [2018-10-27 04:04:45,294 INFO L87 Difference]: Start difference. First operand 1062 states and 1303 transitions. Second operand 32 states. [2018-10-27 04:04:50,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:04:50,837 INFO L93 Difference]: Finished difference Result 2705 states and 3370 transitions. [2018-10-27 04:04:50,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2018-10-27 04:04:50,838 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 290 [2018-10-27 04:04:50,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:04:50,846 INFO L225 Difference]: With dead ends: 2705 [2018-10-27 04:04:50,846 INFO L226 Difference]: Without dead ends: 1823 [2018-10-27 04:04:50,852 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 702 GetRequests, 552 SyntacticMatches, 7 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6367 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=4031, Invalid=16849, Unknown=0, NotChecked=0, Total=20880 [2018-10-27 04:04:50,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1823 states. [2018-10-27 04:04:51,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1823 to 1146. [2018-10-27 04:04:51,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1146 states. [2018-10-27 04:04:51,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1406 transitions. [2018-10-27 04:04:51,259 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1406 transitions. Word has length 290 [2018-10-27 04:04:51,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:04:51,259 INFO L481 AbstractCegarLoop]: Abstraction has 1146 states and 1406 transitions. [2018-10-27 04:04:51,259 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-10-27 04:04:51,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1406 transitions. [2018-10-27 04:04:51,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-10-27 04:04:51,263 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:04:51,263 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 04:04:51,263 INFO L424 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 04:04:51,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:04:51,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1704518881, now seen corresponding path program 7 times [2018-10-27 04:04:51,264 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:04:51,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:04:51,265 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 04:04:51,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:04:51,265 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:04:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:04:51,686 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 04:04:51,686 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:04:51,686 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 04:04:51,686 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 04:04:51,686 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 04:04:51,686 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:04:51,687 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 04:04:51,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:04:51,696 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 04:04:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:04:52,011 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:04:52,502 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 04:04:52,502 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 04:04:52,990 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 04:04:53,014 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 04:04:53,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 36 [2018-10-27 04:04:53,015 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 04:04:53,015 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-10-27 04:04:53,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-10-27 04:04:53,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=537, Invalid=723, Unknown=0, NotChecked=0, Total=1260 [2018-10-27 04:04:53,016 INFO L87 Difference]: Start difference. First operand 1146 states and 1406 transitions. Second operand 27 states. [2018-10-27 04:04:53,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:04:53,627 INFO L93 Difference]: Finished difference Result 2262 states and 2802 transitions. [2018-10-27 04:04:53,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-27 04:04:53,628 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 314 [2018-10-27 04:04:53,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:04:53,633 INFO L225 Difference]: With dead ends: 2262 [2018-10-27 04:04:53,633 INFO L226 Difference]: Without dead ends: 1308 [2018-10-27 04:04:53,635 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 604 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 644 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=537, Invalid=723, Unknown=0, NotChecked=0, Total=1260 [2018-10-27 04:04:53,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2018-10-27 04:04:54,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 1222. [2018-10-27 04:04:54,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1222 states. [2018-10-27 04:04:54,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 1501 transitions. [2018-10-27 04:04:54,031 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 1501 transitions. Word has length 314 [2018-10-27 04:04:54,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:04:54,032 INFO L481 AbstractCegarLoop]: Abstraction has 1222 states and 1501 transitions. [2018-10-27 04:04:54,032 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-10-27 04:04:54,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1501 transitions. [2018-10-27 04:04:54,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-10-27 04:04:54,036 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:04:54,036 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 04:04:54,036 INFO L424 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 04:04:54,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:04:54,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1821269574, now seen corresponding path program 8 times [2018-10-27 04:04:54,037 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:04:54,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:04:54,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:04:54,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:04:54,038 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:04:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:04:54,614 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 04:04:54,615 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:04:54,615 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 04:04:54,615 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-27 04:04:54,615 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-27 04:04:54,615 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:04:54,615 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 04:04:54,631 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-27 04:04:54,632 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-10-27 04:04:56,929 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2018-10-27 04:04:56,929 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-27 04:04:56,948 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:05:02,617 WARN L179 SmtUtils]: Spent 5.46 s on a formula simplification. DAG size of input: 244 DAG size of output: 197 [2018-10-27 04:05:02,653 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:02,654 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 04:05:02,707 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:02,719 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:02,720 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 04:05:02,778 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:02,789 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:02,800 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:02,812 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:02,813 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 04:05:02,813 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-27 04:05:02,956 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:03,119 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:05,137 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 04:05:18,438 WARN L179 SmtUtils]: Spent 13.30 s on a formula simplification that was a NOOP. DAG size: 198 [2018-10-27 04:05:18,453 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 04:05:18,475 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,483 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,485 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 04:05:18,506 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,513 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,520 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,527 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,528 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 04:05:18,616 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,653 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,696 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,697 INFO L303 Elim1Store]: Index analysis took 165 ms [2018-10-27 04:05:18,698 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 04:05:18,718 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,725 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,733 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,740 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,746 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,748 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 04:05:18,772 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,781 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,790 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,801 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,810 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,820 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,830 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,834 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 04:05:18,858 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,868 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,877 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,885 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,893 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,902 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,911 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,919 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,927 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,936 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,938 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 04:05:18,959 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,965 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,972 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,978 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,985 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:18,993 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,000 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,007 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,013 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,019 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,026 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,033 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,039 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,046 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,053 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,060 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,061 INFO L303 Elim1Store]: Index analysis took 119 ms [2018-10-27 04:05:19,062 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 04:05:19,089 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,098 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,107 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,117 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,126 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,136 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,144 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,154 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,164 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,173 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,182 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,192 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,200 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,209 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,210 INFO L303 Elim1Store]: Index analysis took 142 ms [2018-10-27 04:05:19,211 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 04:05:19,247 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,254 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,261 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,268 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,275 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,282 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,289 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,295 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,303 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,310 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,317 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,323 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,330 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,338 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,345 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,351 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,352 INFO L303 Elim1Store]: Index analysis took 134 ms [2018-10-27 04:05:19,355 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 04:05:19,391 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,399 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,408 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,419 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,427 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,437 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,447 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,456 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,465 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,474 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,482 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,491 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,501 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,510 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,520 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,530 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,539 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,548 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,558 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,567 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,577 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,587 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,597 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,598 INFO L303 Elim1Store]: Index analysis took 235 ms [2018-10-27 04:05:19,601 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 04:05:19,630 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,640 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,649 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,657 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,664 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,672 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,681 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,690 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,698 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,706 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,714 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,723 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,731 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,739 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,748 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,756 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,764 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,773 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,782 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,791 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,792 INFO L303 Elim1Store]: Index analysis took 183 ms [2018-10-27 04:05:19,794 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 04:05:19,826 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,834 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,841 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,849 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,857 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,865 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,874 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,883 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,891 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,898 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,905 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,913 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,920 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,928 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,935 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,942 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,951 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,959 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,968 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,977 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,985 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,992 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:19,993 INFO L303 Elim1Store]: Index analysis took 188 ms [2018-10-27 04:05:19,996 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 04:05:20,025 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,031 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,039 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,045 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,052 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,059 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,067 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,073 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,080 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,087 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,099 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,106 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,113 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,120 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,127 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,137 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,143 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,151 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,158 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,172 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,179 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,185 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,192 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,198 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,199 INFO L303 Elim1Store]: Index analysis took 193 ms [2018-10-27 04:05:20,202 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 04:05:20,233 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,241 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,250 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,258 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,266 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,274 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,287 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,299 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,307 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,318 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,325 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,335 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,344 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,353 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,361 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,369 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,377 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,386 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,395 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,405 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,412 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,421 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,430 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,439 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,447 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,454 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,463 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,472 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,474 INFO L303 Elim1Store]: Index analysis took 260 ms [2018-10-27 04:05:20,477 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 04:05:20,550 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,575 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,583 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,590 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,599 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,607 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,617 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,625 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,633 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,640 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,648 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,656 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,663 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,671 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,678 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,687 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,695 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,703 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,712 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,720 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,728 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,738 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,746 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,754 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,763 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,771 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,780 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,789 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,797 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,805 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,813 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,820 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,829 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,830 INFO L303 Elim1Store]: Index analysis took 335 ms [2018-10-27 04:05:20,832 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 04:05:20,874 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,881 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,889 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,896 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,904 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,912 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,920 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,928 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,935 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,943 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,952 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,960 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,967 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,976 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,983 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,990 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:20,999 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,007 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,015 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,023 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,031 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,040 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,049 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,057 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,066 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,074 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,082 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,090 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,097 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,107 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,115 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,123 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,130 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,138 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,163 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,171 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,172 INFO L303 Elim1Store]: Index analysis took 319 ms [2018-10-27 04:05:21,175 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 04:05:21,214 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,220 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,228 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,235 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,241 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,248 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,254 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,261 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,269 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,275 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,281 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,289 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,295 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,303 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,311 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,317 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,324 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,332 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,340 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,348 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,355 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,362 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,368 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,375 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,382 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,389 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,396 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,402 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,409 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,416 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,424 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,430 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,436 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,450 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,457 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,463 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,469 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,476 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,483 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,491 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,492 INFO L303 Elim1Store]: Index analysis took 298 ms [2018-10-27 04:05:21,495 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 04:05:21,575 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,600 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,631 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,655 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,676 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,705 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,714 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,721 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,728 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,735 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,742 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,748 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,756 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,763 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,770 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,778 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,785 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,793 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,800 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,807 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,814 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,821 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,828 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,836 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,843 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,850 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,857 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,865 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,872 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,880 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,887 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,895 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,903 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,911 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,918 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,926 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,933 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,940 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,947 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,954 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,961 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,968 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,974 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:21,976 INFO L303 Elim1Store]: Index analysis took 454 ms [2018-10-27 04:05:21,980 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 04:05:22,026 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,033 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,041 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,047 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,055 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,062 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,069 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,077 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,085 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,092 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,099 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,106 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,112 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,119 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,126 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,133 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,140 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,146 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,155 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,163 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,171 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,178 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,186 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,194 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,201 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,208 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,215 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,222 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,230 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,237 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,244 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,252 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,260 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,267 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,274 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,282 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,289 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,296 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,305 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,312 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,319 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,325 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,333 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,340 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,348 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,356 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,363 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:22,365 INFO L303 Elim1Store]: Index analysis took 360 ms [2018-10-27 04:05:22,368 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 04:05:22,372 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-10-27 04:05:25,467 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:27,651 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:29,569 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:31,272 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:32,742 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:34,011 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:35,135 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:36,114 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:36,943 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:37,664 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:38,281 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:38,832 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:39,312 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:39,730 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:40,104 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:40,442 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:40,757 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:41,049 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:41,336 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:41,809 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:41,811 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 04:05:41,824 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 04:05:41,841 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:41,848 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:41,850 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 04:05:41,868 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:41,875 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:41,881 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:41,886 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:41,888 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 04:05:41,900 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:41,905 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:41,908 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:41,910 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 04:05:41,926 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:41,931 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:41,936 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:41,941 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:41,946 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:41,948 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 04:05:42,005 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,030 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,046 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,053 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,058 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,063 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,069 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,075 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,075 INFO L303 Elim1Store]: Index analysis took 124 ms [2018-10-27 04:05:42,077 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 04:05:42,093 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,098 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,104 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,109 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,116 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,121 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,127 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,132 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,138 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,143 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,145 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 04:05:42,163 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,169 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,174 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,179 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,184 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,189 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,194 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,200 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,205 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,210 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,215 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,221 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,223 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 04:05:42,245 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,250 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,255 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,261 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,267 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,272 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,278 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,284 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,290 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,296 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,301 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,306 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,311 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,316 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,321 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,323 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 04:05:42,350 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,355 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,361 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,366 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,372 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,377 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,382 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,387 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,392 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,397 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,402 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,407 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,412 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,417 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,422 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,427 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,432 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,437 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,442 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,447 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,453 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,454 INFO L303 Elim1Store]: Index analysis took 123 ms [2018-10-27 04:05:42,455 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 04:05:42,477 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,483 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,488 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,493 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,498 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,503 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,508 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,513 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,517 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,522 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,528 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,533 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,538 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,543 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,548 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,553 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,558 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,564 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,569 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,570 INFO L303 Elim1Store]: Index analysis took 108 ms [2018-10-27 04:05:42,571 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 04:05:42,621 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,633 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,637 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,641 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,646 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,650 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,654 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,657 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,662 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,666 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,669 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,672 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,676 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,680 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,684 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,687 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,691 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,695 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,699 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,702 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,705 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,706 INFO L303 Elim1Store]: Index analysis took 126 ms [2018-10-27 04:05:42,708 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 04:05:42,732 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,737 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,741 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,746 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,750 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,755 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,759 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,765 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,770 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,776 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,781 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,785 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,791 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,796 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,801 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,806 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,810 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,816 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,821 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,825 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,830 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,834 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,839 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,844 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,845 INFO L303 Elim1Store]: Index analysis took 129 ms [2018-10-27 04:05:42,847 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 04:05:42,873 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,878 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,882 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,887 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,891 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,896 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,900 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,905 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,909 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,913 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,918 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,922 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,926 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,932 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,936 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,940 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,945 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,949 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,953 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,958 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,962 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,966 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,971 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,976 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,981 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,985 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,990 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:42,994 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,000 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,004 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,009 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,013 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,014 INFO L303 Elim1Store]: Index analysis took 155 ms [2018-10-27 04:05:43,016 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 04:05:43,045 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,049 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,054 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,059 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,063 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,068 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,073 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,078 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,083 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,088 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,093 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,097 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,101 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,106 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,110 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,114 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,119 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,124 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,128 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,132 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,137 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,141 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,145 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,149 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,153 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,158 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,163 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,168 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,172 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,173 INFO L303 Elim1Store]: Index analysis took 141 ms [2018-10-27 04:05:43,176 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 04:05:43,205 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,209 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,213 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,217 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,222 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,226 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,230 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,234 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,238 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,242 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,246 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,250 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,254 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,259 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,263 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,267 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,271 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,275 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,279 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,284 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,288 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,292 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,296 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,301 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,305 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,309 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,313 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,318 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,322 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,327 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,333 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,337 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,341 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,342 INFO L303 Elim1Store]: Index analysis took 151 ms [2018-10-27 04:05:43,344 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 04:05:43,375 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,379 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,383 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,387 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,391 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,395 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,399 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,403 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,407 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,410 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,414 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,418 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,422 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,426 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,431 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,435 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,440 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,444 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,448 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,452 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,456 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,460 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,464 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,468 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,472 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,476 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,480 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,484 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,488 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,492 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,495 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,499 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,503 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,507 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,511 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,515 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,519 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,523 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,524 INFO L303 Elim1Store]: Index analysis took 163 ms [2018-10-27 04:05:43,526 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 04:05:43,559 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,563 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,568 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,571 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,575 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,579 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,583 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,587 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,591 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,595 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,599 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,603 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,607 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,610 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,614 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,618 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,621 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,625 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,629 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,635 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,639 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,642 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,646 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,650 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,653 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,658 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,662 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,666 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,669 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,673 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,677 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,680 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,685 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,689 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,693 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,697 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,700 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,704 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,708 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,711 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,713 INFO L303 Elim1Store]: Index analysis took 168 ms [2018-10-27 04:05:43,715 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 04:05:43,784 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,815 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,846 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,878 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,903 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,925 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,929 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,933 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,937 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,941 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,944 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,948 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,951 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,955 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,959 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,962 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,966 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,970 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,973 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,977 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,981 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,984 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,988 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,992 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,996 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:43,999 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,003 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,006 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,010 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,014 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,019 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,023 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,026 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,030 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,033 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,037 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,040 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,044 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,047 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,051 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,055 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,058 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,062 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,065 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,066 INFO L303 Elim1Store]: Index analysis took 329 ms [2018-10-27 04:05:44,071 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 04:05:44,184 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,210 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,216 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,220 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,225 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,229 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,233 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,237 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,240 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,244 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,248 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,251 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,254 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,257 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,261 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,264 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,268 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,272 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,275 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,278 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,281 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,285 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,288 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,292 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,295 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,299 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,302 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,305 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,309 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,312 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,315 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,319 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,322 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,325 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,329 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,332 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,336 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,339 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,343 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,347 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,351 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,355 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,359 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,363 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,367 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,370 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,373 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,376 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,380 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,383 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:44,384 INFO L303 Elim1Store]: Index analysis took 241 ms [2018-10-27 04:05:44,387 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 04:05:44,391 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-10-27 04:05:46,510 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:47,961 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:49,196 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:50,276 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:51,215 INFO L267 ElimStorePlain]: Start of recursive call 41: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:52,002 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:52,646 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:53,205 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:53,682 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:54,093 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:54,439 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:54,747 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:55,000 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:55,222 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:55,417 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:55,589 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:55,752 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:55,910 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:56,068 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:05:56,495 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:56,502 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:56,523 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:56,525 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 04:05:56,534 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 04:05:56,542 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:56,544 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:56,545 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 04:05:56,758 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:56,877 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:57,003 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:57,096 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:57,096 INFO L303 Elim1Store]: Index analysis took 549 ms [2018-10-27 04:05:57,097 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 04:05:57,285 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:57,415 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:57,527 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:57,651 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:57,722 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:57,830 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:57,831 INFO L303 Elim1Store]: Index analysis took 731 ms [2018-10-27 04:05:57,832 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 04:05:57,849 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:57,854 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:57,858 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:57,862 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:57,866 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:57,870 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:57,874 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:57,878 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:57,880 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 04:05:58,021 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:58,090 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:58,157 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:58,250 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:58,311 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:58,407 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:58,473 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:58,541 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:58,607 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:58,707 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:58,708 INFO L303 Elim1Store]: Index analysis took 825 ms [2018-10-27 04:05:58,710 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 04:05:58,722 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:58,724 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:58,727 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:58,729 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:58,731 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:58,733 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:58,736 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:58,738 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:58,740 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:58,743 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:58,745 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:58,747 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:58,750 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 04:05:58,880 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:58,942 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,022 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,069 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,114 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,181 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,246 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,281 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,341 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,409 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,477 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,540 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,598 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,651 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,652 INFO L303 Elim1Store]: Index analysis took 895 ms [2018-10-27 04:05:59,654 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 04:05:59,669 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,671 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,673 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,675 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,677 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,680 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,682 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,684 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,687 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,689 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,692 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,695 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,697 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,700 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,702 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,705 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,708 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 04:05:59,846 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,877 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,922 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:05:59,978 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,010 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,064 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,088 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,152 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,200 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,236 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,268 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,305 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,365 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,399 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,452 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,509 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,562 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,603 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,604 INFO L303 Elim1Store]: Index analysis took 887 ms [2018-10-27 04:06:00,607 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 04:06:00,658 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,662 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,667 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,671 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,675 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,679 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,684 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,688 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,692 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,697 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,702 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,708 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,712 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,717 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,721 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,726 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,731 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,736 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,741 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,745 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,746 INFO L303 Elim1Store]: Index analysis took 128 ms [2018-10-27 04:06:00,749 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 04:06:00,769 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,771 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,773 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,776 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,778 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,780 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,783 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,785 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,787 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,790 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,792 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,794 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,797 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,799 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,801 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,803 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,806 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,808 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,811 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,813 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,816 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,818 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,822 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 04:06:00,904 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,923 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,946 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,963 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:00,998 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,033 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,053 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,069 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,089 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,111 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,128 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,146 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,174 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,193 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,216 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,242 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,270 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,300 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,324 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,351 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,381 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,399 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,422 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,444 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,445 INFO L303 Elim1Store]: Index analysis took 604 ms [2018-10-27 04:06:01,448 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 04:06:01,503 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,506 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,512 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,513 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,515 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,516 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,518 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,521 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,523 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,525 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,527 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,529 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,531 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,534 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,536 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,538 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,540 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,542 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,545 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,547 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,550 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,552 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,554 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,556 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,559 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,561 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,565 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 04:06:01,592 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,594 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,596 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,598 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,600 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,602 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,605 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,607 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,609 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,611 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,613 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,615 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,617 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,619 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,622 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,624 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,626 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,629 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,631 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,633 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,635 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,638 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,640 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,643 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,645 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,647 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,649 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,652 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,656 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 04:06:01,687 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,690 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,692 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,694 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,696 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,698 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,700 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,702 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,704 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,706 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,708 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,710 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,712 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,714 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,717 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,719 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,721 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,723 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,725 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,728 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,730 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,732 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,734 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,736 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,739 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,741 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,743 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,745 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,748 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,750 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,754 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 04:06:01,791 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,792 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,793 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,795 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,797 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,799 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,801 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,804 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,806 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,808 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,810 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,812 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,814 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,816 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,818 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,820 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,822 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,825 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,827 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,829 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,831 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,833 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,836 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,838 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,840 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,843 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,845 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,847 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,849 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,852 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,854 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,856 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,861 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 04:06:01,903 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,905 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,907 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,913 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,914 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,916 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,918 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,920 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,922 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,924 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,926 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,928 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,930 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,932 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,934 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,936 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,938 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,940 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,942 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,945 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,947 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,949 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,951 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,952 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,954 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,957 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,959 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,961 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,963 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,965 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,971 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,973 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,974 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,976 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:01,981 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 04:06:02,031 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,035 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,042 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,045 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,048 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,052 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,056 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,059 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,063 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,066 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,069 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,072 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,075 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,079 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,081 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,085 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,087 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,091 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,094 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,098 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,101 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,104 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,108 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,111 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,114 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,118 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,121 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,124 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,128 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,131 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,134 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,138 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,141 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,144 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,148 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,151 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,152 INFO L303 Elim1Store]: Index analysis took 139 ms [2018-10-27 04:06:02,155 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 Received shutdown request... [2018-10-27 04:06:02,205 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,207 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,209 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,215 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,217 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,219 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,221 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,223 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,225 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,227 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,229 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,231 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,233 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,237 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,239 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,241 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,243 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,245 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,246 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:06:02,294 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 04:06:02,295 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-27 04:06:02,496 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 04:06:02,497 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 04:06:02,502 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 04:06:02,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 04:06:02 BoogieIcfgContainer [2018-10-27 04:06:02,503 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 04:06:02,504 INFO L168 Benchmark]: Toolchain (without parser) took 251402.01 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 3.4 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-10-27 04:06:02,504 INFO L168 Benchmark]: CDTParser took 0.21 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 04:06:02,505 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.86 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 04:06:02,505 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.89 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 04:06:02,505 INFO L168 Benchmark]: Boogie Preprocessor took 91.61 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 04:06:02,506 INFO L168 Benchmark]: RCFGBuilder took 1406.30 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 729.3 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -680.9 MB). Peak memory consumption was 62.2 MB. Max. memory is 7.1 GB. [2018-10-27 04:06:02,506 INFO L168 Benchmark]: TraceAbstraction took 249444.43 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 3.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-10-27 04:06:02,508 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 359.86 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 94.89 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 91.61 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 1406.30 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 729.3 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -680.9 MB). Peak memory consumption was 62.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 249444.43 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 3.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.5 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 DnfTransformerHelper was transforming 0 conjuction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 40 locations, 1 error locations. TIMEOUT Result, 249.3s OverallTime, 22 OverallIterations, 65 TraceHistogramMax, 87.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 805 SDtfs, 5856 SDslu, 4518 SDs, 0 SdLazy, 4798 SolverSat, 1647 SolverUnsat, 9 SolverUnknown, 0 SolverNotchecked, 32.5s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 5767 GetRequests, 4961 SyntacticMatches, 33 SemanticMatches, 773 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 20946 ImplicationChecksByTransitivity, 109.3s 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, 15.6s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.971423796791444 AbsIntWeakeningRatio, 1.803921568627451 AbsIntAvgWeakeningVarsNumRemoved, 205.69607843137254 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.8s AutomataMinimizationTime, 21 MinimizatonAttempts, 2144 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.6s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 66.6s 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