java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/loops/vogal_false-unreach-call.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 04:54:54,388 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 04:54:54,390 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 04:54:54,402 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 04:54:54,403 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 04:54:54,404 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 04:54:54,405 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 04:54:54,407 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 04:54:54,409 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 04:54:54,410 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 04:54:54,411 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 04:54:54,411 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 04:54:54,412 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 04:54:54,413 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 04:54:54,415 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 04:54:54,416 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 04:54:54,417 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 04:54:54,419 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 04:54:54,421 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 04:54:54,423 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 04:54:54,424 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 04:54:54,425 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 04:54:54,428 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-07 04:54:54,435 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 04:54:54,435 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 04:54:54,437 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 04:54:54,437 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 04:54:54,438 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-07 04:54:54,454 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 04:54:54,454 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 04:54:54,455 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 04:54:54,455 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 04:54:54,456 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 04:54:54,456 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 04:54:54,456 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 04:54:54,457 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 04:54:54,457 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 04:54:54,457 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 04:54:54,457 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 04:54:54,457 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 04:54:54,458 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 04:54:54,458 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 04:54:54,459 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 04:54:54,459 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 04:54:54,459 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 04:54:54,459 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 04:54:54,459 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 04:54:54,460 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 04:54:54,460 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 04:54:54,460 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 04:54:54,460 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 04:54:54,461 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 04:54:54,461 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 04:54:54,461 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 04:54:54,461 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 04:54:54,461 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 04:54:54,462 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 04:54:54,462 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 04:54:54,462 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 04:54:54,462 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 04:54:54,463 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 04:54:54,463 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 04:54:54,513 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 04:54:54,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 04:54:54,537 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 04:54:54,538 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 04:54:54,539 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 04:54:54,540 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/vogal_false-unreach-call.i [2018-11-07 04:54:54,612 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/581a137a4/17f39d8e9d814c59956d91c013b3ae49/FLAGc78b29c8f [2018-11-07 04:54:55,112 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 04:54:55,115 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/vogal_false-unreach-call.i [2018-11-07 04:54:55,126 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/581a137a4/17f39d8e9d814c59956d91c013b3ae49/FLAGc78b29c8f [2018-11-07 04:54:55,144 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/581a137a4/17f39d8e9d814c59956d91c013b3ae49 [2018-11-07 04:54:55,155 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 04:54:55,157 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 04:54:55,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 04:54:55,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 04:54:55,162 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 04:54:55,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:54:55" (1/1) ... [2018-11-07 04:54:55,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c7a58eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:54:55, skipping insertion in model container [2018-11-07 04:54:55,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:54:55" (1/1) ... [2018-11-07 04:54:55,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 04:54:55,199 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 04:54:55,413 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 04:54:55,420 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 04:54:55,462 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 04:54:55,484 INFO L193 MainTranslator]: Completed translation [2018-11-07 04:54:55,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:54:55 WrapperNode [2018-11-07 04:54:55,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 04:54:55,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 04:54:55,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 04:54:55,486 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 04:54:55,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:54:55" (1/1) ... [2018-11-07 04:54:55,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:54:55" (1/1) ... [2018-11-07 04:54:55,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 04:54:55,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 04:54:55,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 04:54:55,512 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 04:54:55,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:54:55" (1/1) ... [2018-11-07 04:54:55,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:54:55" (1/1) ... [2018-11-07 04:54:55,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:54:55" (1/1) ... [2018-11-07 04:54:55,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:54:55" (1/1) ... [2018-11-07 04:54:55,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:54:55" (1/1) ... [2018-11-07 04:54:55,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:54:55" (1/1) ... [2018-11-07 04:54:55,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:54:55" (1/1) ... [2018-11-07 04:54:55,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 04:54:55,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 04:54:55,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 04:54:55,558 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 04:54:55,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:54:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 04:54:55,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-07 04:54:55,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 04:54:55,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 04:54:55,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-07 04:54:55,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 04:54:55,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 04:54:55,687 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 04:54:55,687 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 04:54:55,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-07 04:54:55,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-07 04:54:55,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-07 04:54:55,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-07 04:54:55,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-07 04:54:56,241 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 04:54:56,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:54:56 BoogieIcfgContainer [2018-11-07 04:54:56,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 04:54:56,243 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 04:54:56,243 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 04:54:56,246 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 04:54:56,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:54:55" (1/3) ... [2018-11-07 04:54:56,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6da84d06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:54:56, skipping insertion in model container [2018-11-07 04:54:56,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:54:55" (2/3) ... [2018-11-07 04:54:56,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6da84d06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:54:56, skipping insertion in model container [2018-11-07 04:54:56,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:54:56" (3/3) ... [2018-11-07 04:54:56,250 INFO L112 eAbstractionObserver]: Analyzing ICFG vogal_false-unreach-call.i [2018-11-07 04:54:56,261 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 04:54:56,268 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 04:54:56,284 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 04:54:56,316 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 04:54:56,316 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 04:54:56,317 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 04:54:56,317 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 04:54:56,317 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 04:54:56,317 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 04:54:56,317 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 04:54:56,317 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 04:54:56,337 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2018-11-07 04:54:56,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-07 04:54:56,346 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:54:56,347 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 04:54:56,349 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:54:56,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:54:56,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1323688101, now seen corresponding path program 1 times [2018-11-07 04:54:56,360 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:54:56,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:54:56,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:54:56,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:54:56,418 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:54:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:54:56,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 04:54:56,550 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 04:54:56,550 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-07 04:54:56,551 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 04:54:56,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-07 04:54:56,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-07 04:54:56,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-07 04:54:56,576 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 2 states. [2018-11-07 04:54:56,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 04:54:56,605 INFO L93 Difference]: Finished difference Result 108 states and 135 transitions. [2018-11-07 04:54:56,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-07 04:54:56,607 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 31 [2018-11-07 04:54:56,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 04:54:56,616 INFO L225 Difference]: With dead ends: 108 [2018-11-07 04:54:56,616 INFO L226 Difference]: Without dead ends: 55 [2018-11-07 04:54:56,620 INFO L604 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 [2018-11-07 04:54:56,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-07 04:54:56,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-11-07 04:54:56,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-11-07 04:54:56,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 62 transitions. [2018-11-07 04:54:56,661 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 62 transitions. Word has length 31 [2018-11-07 04:54:56,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 04:54:56,662 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 62 transitions. [2018-11-07 04:54:56,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-07 04:54:56,662 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2018-11-07 04:54:56,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-07 04:54:56,664 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:54:56,664 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 04:54:56,665 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:54:56,665 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:54:56,665 INFO L82 PathProgramCache]: Analyzing trace with hash -2137456514, now seen corresponding path program 1 times [2018-11-07 04:54:56,666 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:54:56,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:54:56,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:54:56,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:54:56,668 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:54:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:54:56,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 04:54:56,808 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 04:54:56,808 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 04:54:56,808 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 04:54:56,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 04:54:56,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 04:54:56,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 04:54:56,812 INFO L87 Difference]: Start difference. First operand 55 states and 62 transitions. Second operand 3 states. [2018-11-07 04:54:57,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 04:54:57,058 INFO L93 Difference]: Finished difference Result 112 states and 132 transitions. [2018-11-07 04:54:57,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 04:54:57,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2018-11-07 04:54:57,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 04:54:57,062 INFO L225 Difference]: With dead ends: 112 [2018-11-07 04:54:57,062 INFO L226 Difference]: Without dead ends: 81 [2018-11-07 04:54:57,063 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 04:54:57,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-11-07 04:54:57,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 57. [2018-11-07 04:54:57,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-11-07 04:54:57,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 64 transitions. [2018-11-07 04:54:57,074 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 64 transitions. Word has length 37 [2018-11-07 04:54:57,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 04:54:57,074 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 64 transitions. [2018-11-07 04:54:57,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 04:54:57,075 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2018-11-07 04:54:57,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-07 04:54:57,076 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:54:57,077 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 04:54:57,077 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:54:57,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:54:57,077 INFO L82 PathProgramCache]: Analyzing trace with hash -495618163, now seen corresponding path program 1 times [2018-11-07 04:54:57,078 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:54:57,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:54:57,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:54:57,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:54:57,081 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:54:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:54:57,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 04:54:57,266 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 04:54:57,267 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 04:54:57,268 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 43 with the following transitions: [2018-11-07 04:54:57,270 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [6], [7], [8], [9], [10], [11], [12], [13], [14], [15], [16], [17], [18], [22], [25], [27], [28], [29], [31], [35], [36], [40], [42], [45], [51], [55], [58], [86], [90], [92], [95], [130], [133], [135], [141], [142], [143], [145] [2018-11-07 04:54:57,320 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 04:54:57,321 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 04:54:57,520 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 04:54:58,258 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 04:54:58,260 INFO L272 AbstractInterpreter]: Visited 40 different actions 232 times. Merged at 11 different actions 175 times. Widened at 2 different actions 24 times. Found 16 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-07 04:54:58,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:54:58,303 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 04:54:58,562 INFO L227 lantSequenceWeakener]: Weakened 40 states. On average, predicates are now at 67.98% of their original sizes. [2018-11-07 04:54:58,562 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 04:54:59,694 INFO L415 sIntCurrentIteration]: We unified 41 AI predicates to 41 [2018-11-07 04:54:59,695 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 04:54:59,696 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 04:54:59,696 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [4] total 15 [2018-11-07 04:54:59,696 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 04:54:59,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-07 04:54:59,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-07 04:54:59,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-11-07 04:54:59,698 INFO L87 Difference]: Start difference. First operand 57 states and 64 transitions. Second operand 13 states. [2018-11-07 04:55:02,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 04:55:02,600 INFO L93 Difference]: Finished difference Result 174 states and 211 transitions. [2018-11-07 04:55:02,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-07 04:55:02,600 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 42 [2018-11-07 04:55:02,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 04:55:02,603 INFO L225 Difference]: With dead ends: 174 [2018-11-07 04:55:02,603 INFO L226 Difference]: Without dead ends: 143 [2018-11-07 04:55:02,608 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 52 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=140, Invalid=412, Unknown=0, NotChecked=0, Total=552 [2018-11-07 04:55:02,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-11-07 04:55:02,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 83. [2018-11-07 04:55:02,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-11-07 04:55:02,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 96 transitions. [2018-11-07 04:55:02,648 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 96 transitions. Word has length 42 [2018-11-07 04:55:02,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 04:55:02,652 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 96 transitions. [2018-11-07 04:55:02,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-07 04:55:02,652 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2018-11-07 04:55:02,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-07 04:55:02,655 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:55:02,655 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 04:55:02,655 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:55:02,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:55:02,658 INFO L82 PathProgramCache]: Analyzing trace with hash -752884382, now seen corresponding path program 1 times [2018-11-07 04:55:02,658 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:55:02,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:55:02,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:55:02,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:55:02,660 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:55:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:55:02,871 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-07 04:55:02,871 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 04:55:02,872 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 04:55:02,872 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 55 with the following transitions: [2018-11-07 04:55:02,872 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [6], [7], [8], [9], [10], [11], [12], [13], [14], [15], [16], [17], [18], [22], [25], [27], [28], [29], [31], [35], [36], [40], [42], [45], [51], [55], [58], [86], [90], [92], [95], [97], [101], [104], [106], [107], [108], [111], [115], [119], [130], [133], [135], [141], [142], [143], [145] [2018-11-07 04:55:02,876 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 04:55:02,876 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 04:55:02,898 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 04:55:06,079 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 04:55:06,079 INFO L272 AbstractInterpreter]: Visited 50 different actions 983 times. Merged at 23 different actions 719 times. Widened at 5 different actions 107 times. Found 74 fixpoints after 5 different actions. Largest state had 29 variables. [2018-11-07 04:55:06,117 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:55:06,119 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 04:55:06,119 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 04:55:06,119 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 04:55:06,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:55:06,142 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 04:55:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:55:06,214 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 04:55:06,527 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 15 treesize of output 11 [2018-11-07 04:55:06,540 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 11 treesize of output 3 [2018-11-07 04:55:06,541 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:06,551 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:06,556 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:06,556 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-11-07 04:55:06,584 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-07 04:55:06,584 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 04:55:06,790 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 [2018-11-07 04:55:06,808 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2018-11-07 04:55:06,809 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:06,825 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:06,856 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:06,856 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:7 [2018-11-07 04:55:06,944 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-07 04:55:06,981 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-07 04:55:06,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [4] total 14 [2018-11-07 04:55:06,982 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 04:55:06,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-07 04:55:06,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-07 04:55:06,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-07 04:55:06,986 INFO L87 Difference]: Start difference. First operand 83 states and 96 transitions. Second operand 8 states. [2018-11-07 04:55:08,125 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-07 04:55:08,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 04:55:08,552 INFO L93 Difference]: Finished difference Result 112 states and 129 transitions. [2018-11-07 04:55:08,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 04:55:08,553 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2018-11-07 04:55:08,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 04:55:08,554 INFO L225 Difference]: With dead ends: 112 [2018-11-07 04:55:08,554 INFO L226 Difference]: Without dead ends: 80 [2018-11-07 04:55:08,555 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2018-11-07 04:55:08,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-11-07 04:55:08,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-11-07 04:55:08,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-11-07 04:55:08,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 92 transitions. [2018-11-07 04:55:08,567 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 92 transitions. Word has length 54 [2018-11-07 04:55:08,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 04:55:08,568 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 92 transitions. [2018-11-07 04:55:08,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-07 04:55:08,568 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2018-11-07 04:55:08,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-07 04:55:08,570 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:55:08,570 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 04:55:08,571 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:55:08,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:55:08,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1201571152, now seen corresponding path program 1 times [2018-11-07 04:55:08,571 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:55:08,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:55:08,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:55:08,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:55:08,573 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:55:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:55:08,727 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-07 04:55:08,728 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 04:55:08,728 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 04:55:08,728 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 57 with the following transitions: [2018-11-07 04:55:08,728 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [6], [7], [8], [9], [10], [11], [12], [13], [14], [15], [16], [17], [18], [22], [25], [27], [28], [29], [31], [35], [36], [40], [42], [45], [47], [51], [55], [58], [60], [64], [67], [69], [70], [71], [74], [78], [82], [86], [90], [92], [95], [130], [133], [135], [141], [142], [143], [145] [2018-11-07 04:55:08,731 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 04:55:08,732 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 04:55:08,744 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 04:55:11,742 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 04:55:11,743 INFO L272 AbstractInterpreter]: Visited 51 different actions 1579 times. Merged at 28 different actions 1209 times. Widened at 8 different actions 224 times. Found 161 fixpoints after 8 different actions. Largest state had 30 variables. [2018-11-07 04:55:11,779 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:55:11,779 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 04:55:11,779 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 04:55:11,779 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 04:55:11,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:55:11,791 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 04:55:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:55:11,826 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 04:55:12,821 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-07 04:55:12,834 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 16 treesize of output 12 [2018-11-07 04:55:12,844 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 12 treesize of output 4 [2018-11-07 04:55:12,847 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:12,869 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:12,892 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:12,893 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2018-11-07 04:55:12,992 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-07 04:55:12,993 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 04:55:13,138 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 [2018-11-07 04:55:13,143 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2018-11-07 04:55:13,144 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:13,148 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:13,153 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:13,153 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:7 [2018-11-07 04:55:13,173 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-07 04:55:13,192 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 04:55:13,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 8, 7] total 14 [2018-11-07 04:55:13,193 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 04:55:13,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 04:55:13,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 04:55:13,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-11-07 04:55:13,197 INFO L87 Difference]: Start difference. First operand 80 states and 92 transitions. Second operand 10 states. [2018-11-07 04:55:13,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 04:55:13,824 INFO L93 Difference]: Finished difference Result 220 states and 265 transitions. [2018-11-07 04:55:13,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-07 04:55:13,829 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2018-11-07 04:55:13,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 04:55:13,830 INFO L225 Difference]: With dead ends: 220 [2018-11-07 04:55:13,830 INFO L226 Difference]: Without dead ends: 166 [2018-11-07 04:55:13,831 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2018-11-07 04:55:13,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-11-07 04:55:13,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 88. [2018-11-07 04:55:13,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-11-07 04:55:13,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 100 transitions. [2018-11-07 04:55:13,847 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 100 transitions. Word has length 56 [2018-11-07 04:55:13,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 04:55:13,847 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 100 transitions. [2018-11-07 04:55:13,847 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 04:55:13,847 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 100 transitions. [2018-11-07 04:55:13,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-07 04:55:13,848 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:55:13,849 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 04:55:13,849 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:55:13,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:55:13,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1895407758, now seen corresponding path program 1 times [2018-11-07 04:55:13,849 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:55:13,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:55:13,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:55:13,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:55:13,851 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:55:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:55:13,940 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-07 04:55:13,940 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 04:55:13,940 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 04:55:13,940 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 63 with the following transitions: [2018-11-07 04:55:13,941 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [6], [7], [8], [9], [10], [11], [12], [13], [14], [15], [16], [17], [18], [22], [25], [27], [28], [29], [31], [35], [36], [40], [42], [45], [47], [51], [55], [58], [86], [90], [92], [95], [97], [101], [104], [106], [107], [108], [111], [115], [119], [130], [133], [135], [141], [142], [143], [145] [2018-11-07 04:55:13,943 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 04:55:13,943 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 04:55:13,954 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 04:55:16,702 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 04:55:16,702 INFO L272 AbstractInterpreter]: Visited 51 different actions 1296 times. Merged at 28 different actions 940 times. Widened at 8 different actions 160 times. Found 112 fixpoints after 7 different actions. Largest state had 30 variables. [2018-11-07 04:55:16,737 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:55:16,737 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 04:55:16,738 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 04:55:16,738 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2018-11-07 04:55:16,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:55:16,753 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 04:55:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:55:16,790 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 04:55:17,130 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-07 04:55:17,130 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 04:55:17,530 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-07 04:55:17,556 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 04:55:17,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 4] total 9 [2018-11-07 04:55:17,556 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 04:55:17,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 04:55:17,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 04:55:17,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-07 04:55:17,557 INFO L87 Difference]: Start difference. First operand 88 states and 100 transitions. Second operand 7 states. [2018-11-07 04:55:20,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 04:55:20,407 INFO L93 Difference]: Finished difference Result 456 states and 573 transitions. [2018-11-07 04:55:20,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-07 04:55:20,408 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2018-11-07 04:55:20,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 04:55:20,414 INFO L225 Difference]: With dead ends: 456 [2018-11-07 04:55:20,414 INFO L226 Difference]: Without dead ends: 399 [2018-11-07 04:55:20,416 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 120 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-11-07 04:55:20,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2018-11-07 04:55:20,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 125. [2018-11-07 04:55:20,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-07 04:55:20,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 141 transitions. [2018-11-07 04:55:20,458 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 141 transitions. Word has length 62 [2018-11-07 04:55:20,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 04:55:20,459 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 141 transitions. [2018-11-07 04:55:20,459 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-07 04:55:20,459 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 141 transitions. [2018-11-07 04:55:20,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-07 04:55:20,463 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:55:20,464 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 04:55:20,464 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:55:20,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:55:20,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1442355975, now seen corresponding path program 1 times [2018-11-07 04:55:20,464 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:55:20,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:55:20,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:55:20,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:55:20,470 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:55:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:55:20,688 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-07 04:55:20,689 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 04:55:20,689 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 04:55:20,689 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 74 with the following transitions: [2018-11-07 04:55:20,689 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [6], [7], [8], [9], [10], [11], [12], [13], [14], [15], [16], [17], [18], [22], [25], [27], [28], [29], [31], [35], [36], [40], [42], [45], [47], [51], [55], [58], [86], [90], [92], [95], [97], [101], [104], [106], [107], [108], [111], [113], [115], [119], [130], [133], [135], [141], [142], [143], [145] [2018-11-07 04:55:20,692 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 04:55:20,692 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 04:55:20,702 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 04:55:25,956 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 04:55:25,957 INFO L272 AbstractInterpreter]: Visited 52 different actions 1761 times. Merged at 29 different actions 1260 times. Widened at 8 different actions 193 times. Found 244 fixpoints after 10 different actions. Largest state had 30 variables. [2018-11-07 04:55:25,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:55:25,965 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 04:55:25,965 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 04:55:25,965 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2018-11-07 04:55:25,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:55:25,974 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 04:55:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:55:26,023 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 04:55:26,224 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-07 04:55:26,224 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 04:55:26,268 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-07 04:55:26,290 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 04:55:26,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 5] total 11 [2018-11-07 04:55:26,291 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 04:55:26,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-07 04:55:26,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-07 04:55:26,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-11-07 04:55:26,292 INFO L87 Difference]: Start difference. First operand 125 states and 141 transitions. Second operand 8 states. [2018-11-07 04:55:27,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 04:55:27,385 INFO L93 Difference]: Finished difference Result 575 states and 695 transitions. [2018-11-07 04:55:27,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-07 04:55:27,385 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 73 [2018-11-07 04:55:27,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 04:55:27,388 INFO L225 Difference]: With dead ends: 575 [2018-11-07 04:55:27,388 INFO L226 Difference]: Without dead ends: 495 [2018-11-07 04:55:27,389 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 140 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-11-07 04:55:27,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2018-11-07 04:55:27,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 149. [2018-11-07 04:55:27,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-07 04:55:27,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 169 transitions. [2018-11-07 04:55:27,413 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 169 transitions. Word has length 73 [2018-11-07 04:55:27,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 04:55:27,414 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 169 transitions. [2018-11-07 04:55:27,414 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-07 04:55:27,414 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 169 transitions. [2018-11-07 04:55:27,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-07 04:55:27,415 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:55:27,416 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 04:55:27,416 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:55:27,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:55:27,416 INFO L82 PathProgramCache]: Analyzing trace with hash 268283823, now seen corresponding path program 2 times [2018-11-07 04:55:27,416 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:55:27,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:55:27,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:55:27,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:55:27,418 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:55:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:55:27,623 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-07 04:55:27,623 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 04:55:27,624 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 04:55:27,624 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-07 04:55:27,624 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-07 04:55:27,624 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 04:55:27,624 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2018-11-07 04:55:27,650 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-07 04:55:27,651 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-07 04:55:27,772 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-07 04:55:27,773 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-07 04:55:27,776 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 04:55:27,833 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-07 04:55:27,834 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 04:55:27,892 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-07 04:55:27,912 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 04:55:27,913 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2018-11-07 04:55:27,913 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 04:55:27,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 04:55:27,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 04:55:27,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-11-07 04:55:27,914 INFO L87 Difference]: Start difference. First operand 149 states and 169 transitions. Second operand 9 states. [2018-11-07 04:55:28,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 04:55:28,774 INFO L93 Difference]: Finished difference Result 561 states and 671 transitions. [2018-11-07 04:55:28,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-07 04:55:28,774 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2018-11-07 04:55:28,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 04:55:28,779 INFO L225 Difference]: With dead ends: 561 [2018-11-07 04:55:28,779 INFO L226 Difference]: Without dead ends: 457 [2018-11-07 04:55:28,780 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2018-11-07 04:55:28,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2018-11-07 04:55:28,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 179. [2018-11-07 04:55:28,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-11-07 04:55:28,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 204 transitions. [2018-11-07 04:55:28,811 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 204 transitions. Word has length 79 [2018-11-07 04:55:28,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 04:55:28,811 INFO L480 AbstractCegarLoop]: Abstraction has 179 states and 204 transitions. [2018-11-07 04:55:28,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 04:55:28,812 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 204 transitions. [2018-11-07 04:55:28,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-07 04:55:28,813 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:55:28,813 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 04:55:28,813 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:55:28,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:55:28,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1635169766, now seen corresponding path program 3 times [2018-11-07 04:55:28,814 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:55:28,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:55:28,815 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-07 04:55:28,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:55:28,815 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:55:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:55:29,489 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 3 proven. 44 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-07 04:55:29,489 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 04:55:29,489 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 04:55:29,489 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-07 04:55:29,489 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-07 04:55:29,489 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 04:55:29,490 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2018-11-07 04:55:29,497 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-07 04:55:29,498 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-11-07 04:55:29,523 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-07 04:55:29,523 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-07 04:55:29,527 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 04:55:29,745 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 16 treesize of output 12 [2018-11-07 04:55:29,756 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 12 treesize of output 4 [2018-11-07 04:55:29,756 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:29,783 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:29,805 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:29,805 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2018-11-07 04:55:29,867 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-07 04:55:29,868 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 04:55:29,945 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 22 treesize of output 18 [2018-11-07 04:55:29,949 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2018-11-07 04:55:29,950 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:29,961 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:29,964 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:29,964 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:9 [2018-11-07 04:55:30,014 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-07 04:55:30,036 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 04:55:30,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 9] total 22 [2018-11-07 04:55:30,036 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 04:55:30,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-07 04:55:30,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-07 04:55:30,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2018-11-07 04:55:30,037 INFO L87 Difference]: Start difference. First operand 179 states and 204 transitions. Second operand 16 states. [2018-11-07 04:55:32,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 04:55:32,739 INFO L93 Difference]: Finished difference Result 966 states and 1158 transitions. [2018-11-07 04:55:32,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-11-07 04:55:32,739 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 88 [2018-11-07 04:55:32,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 04:55:32,744 INFO L225 Difference]: With dead ends: 966 [2018-11-07 04:55:32,744 INFO L226 Difference]: Without dead ends: 838 [2018-11-07 04:55:32,746 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=300, Invalid=2150, Unknown=0, NotChecked=0, Total=2450 [2018-11-07 04:55:32,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2018-11-07 04:55:32,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 346. [2018-11-07 04:55:32,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2018-11-07 04:55:32,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 401 transitions. [2018-11-07 04:55:32,801 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 401 transitions. Word has length 88 [2018-11-07 04:55:32,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 04:55:32,801 INFO L480 AbstractCegarLoop]: Abstraction has 346 states and 401 transitions. [2018-11-07 04:55:32,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-07 04:55:32,801 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 401 transitions. [2018-11-07 04:55:32,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-07 04:55:32,803 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:55:32,803 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 04:55:32,804 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:55:32,804 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:55:32,804 INFO L82 PathProgramCache]: Analyzing trace with hash -2007371397, now seen corresponding path program 1 times [2018-11-07 04:55:32,804 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:55:32,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:55:32,805 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-07 04:55:32,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:55:32,805 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:55:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:55:32,939 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2018-11-07 04:55:32,939 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 04:55:32,939 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 04:55:32,939 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 127 with the following transitions: [2018-11-07 04:55:32,940 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [6], [7], [8], [9], [10], [11], [12], [13], [14], [15], [16], [17], [18], [22], [25], [27], [28], [29], [31], [35], [36], [40], [42], [45], [47], [51], [55], [58], [60], [64], [67], [69], [70], [71], [74], [78], [82], [86], [90], [92], [95], [97], [101], [104], [106], [107], [108], [113], [115], [119], [130], [133], [135], [141], [142], [143], [145] [2018-11-07 04:55:32,942 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 04:55:32,943 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 04:55:32,953 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 04:55:37,446 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 04:55:37,446 INFO L272 AbstractInterpreter]: Visited 60 different actions 2551 times. Merged at 37 different actions 1947 times. Widened at 11 different actions 336 times. Found 291 fixpoints after 10 different actions. Largest state had 34 variables. [2018-11-07 04:55:37,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:55:37,448 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 04:55:37,448 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 04:55:37,448 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2018-11-07 04:55:37,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:55:37,458 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 04:55:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:55:37,502 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 04:55:37,872 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2018-11-07 04:55:37,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 11 treesize of output 3 [2018-11-07 04:55:37,877 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:37,881 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:37,883 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:37,883 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:26, output treesize:3 [2018-11-07 04:55:37,936 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 25 proven. 24 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-07 04:55:37,936 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 04:55:38,220 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 32 [2018-11-07 04:55:38,260 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 59 [2018-11-07 04:55:38,267 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 7 xjuncts. [2018-11-07 04:55:38,329 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2018-11-07 04:55:38,331 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-07 04:55:38,368 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-11-07 04:55:38,369 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:38,395 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-07 04:55:38,422 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-07 04:55:38,422 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:32, output treesize:37 [2018-11-07 04:55:38,494 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 29 proven. 20 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-07 04:55:38,514 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 04:55:38,514 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 13, 11] total 25 [2018-11-07 04:55:38,514 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 04:55:38,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-07 04:55:38,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-07 04:55:38,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2018-11-07 04:55:38,516 INFO L87 Difference]: Start difference. First operand 346 states and 401 transitions. Second operand 17 states. [2018-11-07 04:55:41,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 04:55:41,146 INFO L93 Difference]: Finished difference Result 2067 states and 2439 transitions. [2018-11-07 04:55:41,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-07 04:55:41,147 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 126 [2018-11-07 04:55:41,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 04:55:41,155 INFO L225 Difference]: With dead ends: 2067 [2018-11-07 04:55:41,155 INFO L226 Difference]: Without dead ends: 1757 [2018-11-07 04:55:41,157 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=199, Invalid=991, Unknown=0, NotChecked=0, Total=1190 [2018-11-07 04:55:41,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1757 states. [2018-11-07 04:55:41,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1757 to 451. [2018-11-07 04:55:41,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2018-11-07 04:55:41,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 523 transitions. [2018-11-07 04:55:41,232 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 523 transitions. Word has length 126 [2018-11-07 04:55:41,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 04:55:41,232 INFO L480 AbstractCegarLoop]: Abstraction has 451 states and 523 transitions. [2018-11-07 04:55:41,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-07 04:55:41,232 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 523 transitions. [2018-11-07 04:55:41,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-07 04:55:41,233 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:55:41,234 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 04:55:41,234 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:55:41,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:55:41,234 INFO L82 PathProgramCache]: Analyzing trace with hash -361250674, now seen corresponding path program 1 times [2018-11-07 04:55:41,234 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:55:41,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:55:41,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:55:41,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:55:41,235 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:55:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:55:42,169 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 2 proven. 70 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-11-07 04:55:42,170 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 04:55:42,170 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 04:55:42,170 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 132 with the following transitions: [2018-11-07 04:55:42,170 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [6], [7], [8], [9], [10], [11], [12], [13], [14], [15], [16], [17], [18], [22], [25], [27], [28], [29], [31], [35], [36], [40], [42], [45], [47], [51], [55], [58], [60], [64], [67], [69], [70], [71], [74], [78], [82], [86], [90], [92], [95], [97], [101], [104], [106], [107], [108], [111], [113], [115], [119], [130], [133], [135], [141], [142], [143], [145] [2018-11-07 04:55:42,173 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 04:55:42,173 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 04:55:42,186 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 04:55:49,104 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 04:55:49,104 INFO L272 AbstractInterpreter]: Visited 61 different actions 3583 times. Merged at 38 different actions 2633 times. Widened at 11 different actions 426 times. Found 508 fixpoints after 14 different actions. Largest state had 35 variables. [2018-11-07 04:55:49,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:55:49,120 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 04:55:49,120 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 04:55:49,120 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2018-11-07 04:55:49,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:55:49,130 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 04:55:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:55:49,178 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 04:55:49,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2018-11-07 04:55:49,483 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 22 treesize of output 15 [2018-11-07 04:55:49,484 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:49,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 15 treesize of output 8 [2018-11-07 04:55:49,499 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:49,568 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2018-11-07 04:55:49,569 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:49,574 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:49,575 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:49,576 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:26, output treesize:3 [2018-11-07 04:55:49,625 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 41 proven. 67 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-07 04:55:49,626 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 04:55:49,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 34 [2018-11-07 04:55:49,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 29 [2018-11-07 04:55:49,824 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-07 04:55:49,850 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 16 [2018-11-07 04:55:49,851 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:49,912 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 65 [2018-11-07 04:55:49,918 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 7 xjuncts. [2018-11-07 04:55:50,000 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-07 04:55:50,041 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-07 04:55:50,041 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:34, output treesize:61 [2018-11-07 04:55:50,161 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 44 proven. 47 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-07 04:55:50,182 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 04:55:50,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 15, 13] total 31 [2018-11-07 04:55:50,182 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 04:55:50,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-07 04:55:50,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-07 04:55:50,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=805, Unknown=0, NotChecked=0, Total=930 [2018-11-07 04:55:50,184 INFO L87 Difference]: Start difference. First operand 451 states and 523 transitions. Second operand 21 states. [2018-11-07 04:55:51,043 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-11-07 04:55:53,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 04:55:53,447 INFO L93 Difference]: Finished difference Result 1701 states and 2027 transitions. [2018-11-07 04:55:53,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-11-07 04:55:53,448 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 131 [2018-11-07 04:55:53,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 04:55:53,453 INFO L225 Difference]: With dead ends: 1701 [2018-11-07 04:55:53,454 INFO L226 Difference]: Without dead ends: 1318 [2018-11-07 04:55:53,456 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=377, Invalid=2593, Unknown=0, NotChecked=0, Total=2970 [2018-11-07 04:55:53,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2018-11-07 04:55:53,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 747. [2018-11-07 04:55:53,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2018-11-07 04:55:53,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 867 transitions. [2018-11-07 04:55:53,629 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 867 transitions. Word has length 131 [2018-11-07 04:55:53,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 04:55:53,629 INFO L480 AbstractCegarLoop]: Abstraction has 747 states and 867 transitions. [2018-11-07 04:55:53,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-07 04:55:53,630 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 867 transitions. [2018-11-07 04:55:53,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-07 04:55:53,632 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:55:53,632 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 04:55:53,633 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:55:53,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:55:53,633 INFO L82 PathProgramCache]: Analyzing trace with hash -384725650, now seen corresponding path program 2 times [2018-11-07 04:55:53,633 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:55:53,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:55:53,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:55:53,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:55:53,634 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:55:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:55:53,854 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 2 proven. 102 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-11-07 04:55:53,854 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 04:55:53,855 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 04:55:53,855 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-07 04:55:53,855 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-07 04:55:53,855 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 04:55:53,855 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2018-11-07 04:55:53,863 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-07 04:55:53,864 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-07 04:55:54,302 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-11-07 04:55:54,302 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-07 04:55:54,309 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 04:55:54,315 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 6 treesize of output 5 [2018-11-07 04:55:54,315 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:54,322 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:54,322 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-07 04:55:54,364 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,365 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,366 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-07 04:55:54,366 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:54,370 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:54,371 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-11-07 04:55:54,389 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2018-11-07 04:55:54,392 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 [2018-11-07 04:55:54,392 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:54,394 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:54,400 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:54,400 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2018-11-07 04:55:54,422 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-11-07 04:55:54,425 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,426 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,427 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 31 [2018-11-07 04:55:54,427 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:54,435 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:54,445 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:54,445 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:31, output treesize:27 [2018-11-07 04:55:54,473 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 23 [2018-11-07 04:55:54,476 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,477 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,477 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,478 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,480 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,481 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,482 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 78 [2018-11-07 04:55:54,483 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:54,509 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:54,522 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:54,522 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:40, output treesize:36 [2018-11-07 04:55:54,559 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2018-11-07 04:55:54,563 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,565 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,566 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,567 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,568 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,569 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,570 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,571 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,572 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,574 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,575 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,576 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,577 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 149 [2018-11-07 04:55:54,578 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:54,607 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:54,623 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:54,624 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:49, output treesize:45 [2018-11-07 04:55:54,662 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 37 [2018-11-07 04:55:54,687 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,688 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,689 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,689 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,690 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,691 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,692 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,693 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,694 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,695 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,696 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,698 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,699 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,700 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,701 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,702 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,703 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,705 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,706 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,707 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,709 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 244 [2018-11-07 04:55:54,710 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:54,755 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:54,772 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:54,773 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:58, output treesize:54 [2018-11-07 04:55:54,814 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 44 [2018-11-07 04:55:54,818 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,819 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,820 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,821 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,822 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,823 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,824 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,825 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,826 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,828 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,829 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,830 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,831 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,832 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,863 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,874 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,875 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,876 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,876 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,877 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,878 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,879 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,880 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,881 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,883 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,884 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,885 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,886 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,887 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,898 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:54,899 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 363 [2018-11-07 04:55:54,900 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:54,976 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:54,996 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:54,997 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:67, output treesize:63 [2018-11-07 04:55:55,050 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 51 [2018-11-07 04:55:55,056 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,057 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,059 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,060 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,061 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,062 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,063 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,064 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,065 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,066 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,067 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,068 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,069 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,070 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,071 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,072 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,073 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,074 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,075 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,077 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,078 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,079 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,080 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,081 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,082 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,084 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,085 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,086 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,087 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,088 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,089 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,091 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,092 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,093 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,094 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,095 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,096 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,098 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,099 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,100 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,101 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,102 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,104 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 506 [2018-11-07 04:55:55,106 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:55,249 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:55,270 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:55,271 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2018-11-07 04:55:55,325 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 58 [2018-11-07 04:55:55,355 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,356 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,356 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,357 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,358 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,359 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,360 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,361 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,362 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,363 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,364 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,365 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,372 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,373 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,374 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,375 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,375 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,399 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,400 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,400 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,401 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,402 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,403 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,404 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,405 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,406 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,408 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,409 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,435 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,457 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,480 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,493 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,495 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,497 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,500 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,501 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,501 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,502 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,503 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,504 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,505 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,506 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,507 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,508 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,509 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,511 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,512 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,513 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,514 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,515 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,516 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,518 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,519 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,520 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,521 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,522 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,523 INFO L303 Elim1Store]: Index analysis took 195 ms [2018-11-07 04:55:55,525 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 673 [2018-11-07 04:55:55,527 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:55,711 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:55,738 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:55,738 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:85, output treesize:81 [2018-11-07 04:55:55,798 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 65 [2018-11-07 04:55:55,802 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,803 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,804 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,805 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,806 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,808 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,809 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,810 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,811 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,812 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,814 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,815 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,816 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,825 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,826 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,827 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,828 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,828 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,829 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,830 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,832 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,833 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,834 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,835 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,836 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,838 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,839 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,840 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,841 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,842 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,844 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,845 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,846 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,847 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,848 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,849 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,851 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,852 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,856 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,857 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,858 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,859 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,860 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,861 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,862 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,864 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,868 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,869 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,870 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,871 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,872 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,873 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,874 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,876 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,877 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,878 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,879 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,881 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,882 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,883 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,885 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,886 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,887 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,888 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,890 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,891 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,892 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,894 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,895 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,927 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,948 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,963 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:55,963 INFO L303 Elim1Store]: Index analysis took 163 ms [2018-11-07 04:55:55,964 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 864 [2018-11-07 04:55:55,966 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:56,235 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:56,262 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:56,262 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:94, output treesize:90 [2018-11-07 04:55:56,333 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 72 [2018-11-07 04:55:56,342 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,343 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,343 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,344 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,345 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,346 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,347 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,348 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,349 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,350 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,351 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,352 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,353 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,354 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,355 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,356 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,358 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,359 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,360 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,361 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,362 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,363 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,364 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,365 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,366 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,367 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,369 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,370 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,371 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,372 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,373 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,374 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,375 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,376 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,377 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,378 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,380 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,381 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,382 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,383 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,384 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,385 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,386 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,387 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,388 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,390 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,391 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,392 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,393 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,394 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,396 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,397 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,398 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,399 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,400 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,401 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,403 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,404 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,405 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,406 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,407 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,409 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,410 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,411 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,412 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,413 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,415 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,416 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,417 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,418 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,420 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,421 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,422 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,423 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,424 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,426 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,427 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,428 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,429 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,430 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,432 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,433 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,434 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,435 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,436 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,437 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,439 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,440 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,441 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,442 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:56,442 INFO L303 Elim1Store]: Index analysis took 106 ms [2018-11-07 04:55:56,445 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 1079 [2018-11-07 04:55:56,447 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:56,950 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:56,983 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:56,984 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:103, output treesize:99 [2018-11-07 04:55:57,063 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 79 [2018-11-07 04:55:57,071 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,072 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,073 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,074 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,075 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,077 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,078 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,079 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,080 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,081 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,082 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,083 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,085 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,086 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,087 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,088 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,089 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,090 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,091 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,092 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,093 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,095 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,096 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,097 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,098 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,099 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,100 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,101 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,102 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,103 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,105 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,106 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,107 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,108 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,109 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,110 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,111 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,112 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,114 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,115 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,116 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,117 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,118 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,119 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,120 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,121 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,122 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,123 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,124 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,125 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,127 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,128 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,129 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,130 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,131 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,132 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,134 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,135 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,136 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,137 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,139 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,140 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,141 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,142 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,143 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,145 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,146 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,147 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,148 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,150 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,151 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,152 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,153 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,155 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,156 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,157 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,158 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,160 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,161 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,162 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,163 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,164 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,166 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,167 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,168 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,169 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,170 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,172 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,173 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,174 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,175 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,176 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,178 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,179 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,180 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,181 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,183 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,184 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,185 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,186 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,187 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,189 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,190 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,191 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,192 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,194 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,195 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,196 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,197 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,199 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:57,199 INFO L303 Elim1Store]: Index analysis took 132 ms [2018-11-07 04:55:57,202 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 1318 [2018-11-07 04:55:57,205 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:57,834 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:57,873 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:57,873 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:112, output treesize:108 [2018-11-07 04:55:58,119 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 114 [2018-11-07 04:55:58,123 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 [2018-11-07 04:55:58,123 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:58,193 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:58,240 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:58,240 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:111 [2018-11-07 04:55:58,403 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 114 [2018-11-07 04:55:58,407 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 [2018-11-07 04:55:58,407 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:58,438 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:58,481 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:58,482 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:111 [2018-11-07 04:55:58,585 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 114 [2018-11-07 04:55:58,589 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 [2018-11-07 04:55:58,589 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:58,621 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:58,665 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:58,665 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:111 [2018-11-07 04:55:58,864 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 114 [2018-11-07 04:55:58,883 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 [2018-11-07 04:55:58,884 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:58,938 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:58,982 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:58,982 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:111 [2018-11-07 04:55:59,033 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:55:59,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 123 [2018-11-07 04:55:59,039 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 22 treesize of output 18 [2018-11-07 04:55:59,039 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 04:55:59,073 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:59,113 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:55:59,113 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:121, output treesize:113 [2018-11-07 04:56:01,010 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 50 proven. 51 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-11-07 04:56:01,010 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 04:56:29,514 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2018-11-07 04:56:38,691 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-11-07 04:56:52,266 WARN L179 SmtUtils]: Spent 986.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2018-11-07 04:57:19,018 WARN L179 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2018-11-07 04:57:19,072 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 268 treesize of output 241 [2018-11-07 04:57:19,147 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 235 treesize of output 223 [2018-11-07 04:57:19,162 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,162 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,163 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 219 treesize of output 207 [2018-11-07 04:57:19,175 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,176 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,176 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,177 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,178 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 225 [2018-11-07 04:57:19,178 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-07 04:57:19,268 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:57:19,329 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:57:19,347 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-07 04:57:19,348 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-07 04:57:19,515 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 185 treesize of output 169 [2018-11-07 04:57:19,524 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,524 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,546 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,562 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,562 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,563 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,594 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,621 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 169 treesize of output 204 [2018-11-07 04:57:19,651 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,659 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,659 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,682 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,701 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,737 INFO L303 Elim1Store]: Index analysis took 112 ms [2018-11-07 04:57:19,780 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 190 treesize of output 206 [2018-11-07 04:57:19,807 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,809 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,810 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,813 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,815 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:19,823 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:19,840 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:19,852 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 223 [2018-11-07 04:57:19,867 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,868 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,869 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,870 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,871 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,872 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,873 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,874 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,875 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,876 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:19,900 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 201 [2018-11-07 04:57:20,152 WARN L179 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2018-11-07 04:57:20,166 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:20,166 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:20,167 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:20,167 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:20,168 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:20,172 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:20,173 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:20,173 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:20,174 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:20,174 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:20,178 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:20,179 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:20,184 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:20,184 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:20,208 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 148 [2018-11-07 04:57:20,209 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-07 04:57:20,259 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:57:20,290 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:57:20,918 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:20,923 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:20,934 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:20,934 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:20,943 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:20,944 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:20,944 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:20,961 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:20,970 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:20,970 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:20,970 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:21,003 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:21,013 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:21,014 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:21,025 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:21,035 INFO L303 Elim1Store]: Index analysis took 143 ms [2018-11-07 04:57:21,060 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 143 treesize of output 218 [2018-11-07 04:57:21,460 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:21,460 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:21,461 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:21,461 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:21,462 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:21,462 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:21,462 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:21,463 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:21,464 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:21,475 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:21,495 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:21,511 INFO L303 Elim1Store]: Index analysis took 446 ms [2018-11-07 04:57:21,513 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 17 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 200 treesize of output 238 [2018-11-07 04:57:21,648 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 63 [2018-11-07 04:57:21,655 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:21,656 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:21,656 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:21,656 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:21,657 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:21,657 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:21,658 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:21,658 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:21,658 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:21,671 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:21,672 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:21,672 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:21,673 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:21,673 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:21,674 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:21,674 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:21,678 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:21,752 INFO L303 Elim1Store]: Index analysis took 102 ms [2018-11-07 04:57:21,754 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 167 [2018-11-07 04:57:21,755 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-07 04:57:21,869 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:57:22,324 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:22,326 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:22,326 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:22,326 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:22,327 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:22,327 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:22,328 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:22,328 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:22,329 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:22,330 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:22,330 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:22,341 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:22,355 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:22,355 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:22,433 INFO L303 Elim1Store]: Index analysis took 114 ms [2018-11-07 04:57:22,434 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 200 [2018-11-07 04:57:22,594 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2018-11-07 04:57:22,605 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:22,606 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:22,606 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:22,606 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:22,607 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:22,607 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:22,608 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:22,608 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:22,609 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:22,609 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:22,610 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:22,611 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:22,611 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:22,618 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:22,619 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:22,619 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:22,622 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:22,623 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:22,639 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 185 [2018-11-07 04:57:22,640 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-07 04:57:22,717 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:57:23,144 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:23,159 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:23,160 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:23,168 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:23,174 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:23,175 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:23,219 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:23,234 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:23,239 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:23,239 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:23,244 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:23,244 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:23,245 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:23,454 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:23,462 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:23,462 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:23,463 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:23,488 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:23,531 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:23,531 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:23,660 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:23,682 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:23,682 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:23,692 INFO L303 Elim1Store]: Index analysis took 633 ms [2018-11-07 04:57:23,718 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 111 treesize of output 242 [2018-11-07 04:57:24,588 WARN L179 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 159 [2018-11-07 04:57:24,594 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-07 04:57:24,594 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-07 04:57:24,598 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-07 04:57:24,598 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-07 04:57:24,605 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:24,605 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:24,605 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:24,606 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:24,606 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:24,607 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:24,607 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:24,608 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:24,608 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:24,609 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:24,610 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:24,610 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:24,611 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:24,612 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:24,612 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:24,613 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:24,614 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:24,639 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:24,640 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:24,641 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:24,641 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:24,646 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:24,672 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 212 [2018-11-07 04:57:24,673 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-07 04:57:24,676 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-07 04:57:24,676 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-07 04:57:27,552 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:27,553 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:27,553 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:27,554 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:27,554 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:27,554 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:27,555 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:27,557 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:27,557 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:27,558 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:27,576 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:27,577 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:27,577 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:27,577 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:27,578 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:27,578 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:27,579 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:27,580 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:27,887 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:27,887 INFO L303 Elim1Store]: Index analysis took 341 ms [2018-11-07 04:57:27,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 163 [2018-11-07 04:57:27,889 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-07 04:57:27,957 INFO L267 ElimStorePlain]: Start of recursive call 18: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-07 04:57:28,008 INFO L267 ElimStorePlain]: Start of recursive call 13: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-07 04:57:31,136 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:31,136 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:31,137 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:31,138 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:31,138 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:31,139 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:31,142 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:31,144 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:31,156 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 148 [2018-11-07 04:57:31,161 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:31,162 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:31,163 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:31,163 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:31,164 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:31,164 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:31,165 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:31,166 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:31,178 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 166 [2018-11-07 04:57:31,276 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:31,276 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:31,276 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:31,277 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:31,277 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:31,278 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:31,278 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:31,278 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:31,279 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:31,279 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:31,279 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:31,281 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:31,282 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:31,285 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:31,300 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 133 [2018-11-07 04:57:31,301 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-07 04:57:31,304 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-07 04:57:31,304 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-07 04:57:31,341 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:57:31,359 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:57:31,425 INFO L267 ElimStorePlain]: Start of recursive call 9: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-07 04:57:32,389 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,389 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,389 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,390 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,391 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:32,400 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:32,400 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,405 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 106 treesize of output 141 [2018-11-07 04:57:32,432 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,435 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,436 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,436 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,436 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,437 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,444 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 139 [2018-11-07 04:57:32,474 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,490 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,499 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,513 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,522 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,523 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,527 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,527 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,527 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,528 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,542 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 160 [2018-11-07 04:57:32,720 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2018-11-07 04:57:32,745 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,746 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,747 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,747 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,747 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,748 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,748 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,749 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,750 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:32,750 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,750 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,751 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:32,774 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 118 [2018-11-07 04:57:32,775 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-11-07 04:57:32,809 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:57:32,824 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:57:32,841 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:57:33,150 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,151 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,151 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,151 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,152 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,152 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,159 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:33,160 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 130 [2018-11-07 04:57:33,184 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,185 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,185 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,185 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,186 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,186 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,186 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,198 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 14 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 154 [2018-11-07 04:57:33,207 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,208 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,208 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,208 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,209 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,209 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,209 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,210 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,210 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,211 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,211 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,212 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 21 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 185 [2018-11-07 04:57:33,430 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2018-11-07 04:57:33,440 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,440 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,440 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,451 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,452 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,453 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,453 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,454 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,454 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,454 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,455 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,455 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,455 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,470 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:33,471 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,471 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,472 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,488 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:33,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 140 [2018-11-07 04:57:33,497 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-11-07 04:57:33,702 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:57:33,720 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:57:33,736 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:57:34,293 INFO L267 ElimStorePlain]: Start of recursive call 8: 4 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-07 04:57:34,426 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-07 04:57:34,579 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-11-07 04:57:34,744 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 5 xjuncts. [2018-11-07 04:57:34,744 INFO L202 ElimStorePlain]: Needed 35 recursive calls to eliminate 6 variables, input treesize:312, output treesize:76 [2018-11-07 04:57:36,082 WARN L179 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 55 [2018-11-07 04:57:36,124 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 215 treesize of output 195 [2018-11-07 04:57:36,192 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-07 04:57:36,193 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 04:57:36,198 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 189 treesize of output 177 [2018-11-07 04:57:36,205 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,205 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 176 [2018-11-07 04:57:36,206 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-07 04:57:36,255 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:57:36,350 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 169 treesize of output 155 [2018-11-07 04:57:36,396 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,437 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 155 treesize of output 156 [2018-11-07 04:57:36,443 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,444 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,444 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,453 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:36,460 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 148 [2018-11-07 04:57:36,469 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,470 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,470 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,470 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,471 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,479 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 144 [2018-11-07 04:57:36,484 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,485 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,485 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,486 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,486 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,486 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,487 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,487 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,488 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,503 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 151 [2018-11-07 04:57:36,645 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2018-11-07 04:57:36,653 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,654 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,654 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,654 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,655 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,655 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,656 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,656 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,656 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,657 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,658 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,658 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,659 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,663 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:36,663 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,664 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,669 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:36,694 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 130 [2018-11-07 04:57:36,695 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-07 04:57:36,737 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:57:36,746 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:57:36,756 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:57:36,864 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,865 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,865 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:36,868 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:36,870 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 101 [2018-11-07 04:57:36,875 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,876 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,876 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,880 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 93 [2018-11-07 04:57:36,884 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,884 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,884 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,885 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,885 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,885 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,893 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 105 [2018-11-07 04:57:36,943 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,943 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,944 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,945 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:36,945 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,946 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,946 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:36,959 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 63 [2018-11-07 04:57:36,959 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-07 04:57:36,975 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:57:36,988 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:57:36,998 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:57:37,107 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,123 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,166 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,195 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 5 case distinctions, treesize of input 146 treesize of output 151 [2018-11-07 04:57:37,200 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,201 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,201 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,202 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,202 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:37,204 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:37,208 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:37,211 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 155 [2018-11-07 04:57:37,219 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,219 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,220 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,220 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,220 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,221 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,225 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 137 [2018-11-07 04:57:37,312 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,313 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,314 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,317 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:37,317 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,318 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,318 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,326 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:37,327 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,336 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 91 [2018-11-07 04:57:37,336 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-07 04:57:37,359 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:57:37,377 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:57:37,617 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,619 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,671 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,685 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,687 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,687 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,730 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,734 INFO L303 Elim1Store]: Index analysis took 123 ms [2018-11-07 04:57:37,761 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 129 treesize of output 154 [2018-11-07 04:57:37,768 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,769 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,770 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:37,770 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,770 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,771 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,771 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,774 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:37,779 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:37,788 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 172 [2018-11-07 04:57:37,891 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2018-11-07 04:57:37,900 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,900 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,901 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,903 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:37,903 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,904 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,905 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,908 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:37,908 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:37,917 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 92 [2018-11-07 04:57:37,918 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-07 04:57:37,961 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:57:38,316 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:38,317 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:38,320 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:38,330 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:38,330 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:38,336 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:38,343 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:38,344 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:38,347 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:38,349 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:38,350 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:38,414 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:38,414 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:38,426 INFO L303 Elim1Store]: Index analysis took 118 ms [2018-11-07 04:57:38,452 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 97 treesize of output 162 [2018-11-07 04:57:40,581 WARN L179 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 166 DAG size of output: 136 [2018-11-07 04:57:40,590 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-07 04:57:40,590 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-07 04:57:40,593 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-07 04:57:40,594 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-07 04:57:40,599 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:40,600 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:40,600 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:40,608 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:40,610 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:40,611 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:40,611 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:40,611 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:40,612 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:40,612 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:40,613 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:40,614 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:40,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 124 [2018-11-07 04:57:40,625 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-07 04:57:40,628 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-07 04:57:40,628 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-07 04:57:40,887 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:40,887 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:40,887 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:40,888 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:40,888 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:40,889 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:40,889 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:40,890 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:40,890 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:40,891 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:40,892 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:40,893 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:40,893 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:40,894 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:40,895 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:40,895 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:40,896 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:40,899 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:40,902 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:40,921 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 132 [2018-11-07 04:57:40,922 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-11-07 04:57:40,981 INFO L267 ElimStorePlain]: Start of recursive call 23: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-07 04:57:41,119 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,120 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,120 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,120 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,121 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,121 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,122 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,123 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,123 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,125 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:41,128 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:41,132 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:41,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 162 [2018-11-07 04:57:41,237 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,238 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,238 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,242 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:41,243 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,243 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,243 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,244 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,244 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,245 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,247 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:41,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 107 [2018-11-07 04:57:41,258 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-07 04:57:41,318 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:57:41,350 INFO L267 ElimStorePlain]: Start of recursive call 20: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-07 04:57:41,412 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,412 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,413 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,414 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:41,419 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 98 [2018-11-07 04:57:41,428 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,429 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,429 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,430 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,430 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,430 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,436 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 105 [2018-11-07 04:57:41,487 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,488 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,488 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,489 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 04:57:41,490 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,490 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,491 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 04:57:41,504 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 64 [2018-11-07 04:57:41,505 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-07 04:57:41,523 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:57:41,534 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:57:41,570 INFO L267 ElimStorePlain]: Start of recursive call 16: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-07 04:57:41,665 INFO L267 ElimStorePlain]: Start of recursive call 7: 4 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-07 04:57:41,709 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-07 04:57:41,783 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-11-07 04:57:41,856 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-11-07 04:57:41,857 INFO L202 ElimStorePlain]: Needed 33 recursive calls to eliminate 7 variables, input treesize:265, output treesize:58 [2018-11-07 04:57:42,169 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 5 proven. 98 refuted. 1 times theorem prover too weak. 146 trivial. 0 not checked. [2018-11-07 04:57:42,190 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 04:57:42,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 32, 33] total 70 [2018-11-07 04:57:42,191 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 04:57:42,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-11-07 04:57:42,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-11-07 04:57:42,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=962, Invalid=3861, Unknown=7, NotChecked=0, Total=4830 [2018-11-07 04:57:42,193 INFO L87 Difference]: Start difference. First operand 747 states and 867 transitions. Second operand 39 states. [2018-11-07 04:57:45,094 WARN L179 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2018-11-07 04:57:45,753 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2018-11-07 04:57:46,070 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2018-11-07 04:57:46,445 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2018-11-07 04:57:46,647 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2018-11-07 04:57:46,876 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2018-11-07 04:57:47,046 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2018-11-07 04:57:47,237 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2018-11-07 04:57:48,013 WARN L179 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-11-07 04:57:48,211 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2018-11-07 04:57:48,440 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2018-11-07 04:57:48,617 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2018-11-07 04:57:48,822 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2018-11-07 04:57:49,258 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 117 [2018-11-07 04:57:49,455 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2018-11-07 04:57:49,716 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-11-07 04:57:49,934 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2018-11-07 04:57:50,148 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2018-11-07 04:57:50,377 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2018-11-07 04:57:50,611 WARN L179 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-11-07 04:57:50,909 WARN L179 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 115 [2018-11-07 04:57:51,112 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2018-11-07 04:57:51,372 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2018-11-07 04:57:51,581 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2018-11-07 04:57:51,815 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2018-11-07 04:57:52,027 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2018-11-07 04:57:52,220 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2018-11-07 04:57:52,448 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2018-11-07 04:57:52,737 WARN L179 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 116 [2018-11-07 04:57:52,968 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-11-07 04:57:53,271 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2018-11-07 04:57:53,440 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2018-11-07 04:57:53,646 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-11-07 04:57:53,855 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2018-11-07 04:57:54,095 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2018-11-07 04:57:54,361 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 114 [2018-11-07 04:57:54,566 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2018-11-07 04:57:54,808 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2018-11-07 04:57:54,992 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2018-11-07 04:57:55,214 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2018-11-07 04:57:55,390 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2018-11-07 04:57:55,703 WARN L179 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 116 [2018-11-07 04:57:55,906 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2018-11-07 04:57:56,165 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-11-07 04:57:56,389 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2018-11-07 04:57:56,609 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2018-11-07 04:57:56,820 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2018-11-07 04:57:56,992 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-11-07 04:57:57,301 WARN L179 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 114 [2018-11-07 04:57:57,497 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2018-11-07 04:57:57,796 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2018-11-07 04:57:58,008 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2018-11-07 04:57:58,253 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2018-11-07 04:57:58,463 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2018-11-07 04:57:58,667 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2018-11-07 04:57:58,895 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2018-11-07 04:57:59,198 WARN L179 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 116 [2018-11-07 04:57:59,436 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-11-07 04:57:59,722 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2018-11-07 04:57:59,892 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2018-11-07 04:58:00,094 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-11-07 04:58:00,296 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2018-11-07 04:58:00,517 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2018-11-07 04:58:00,847 WARN L179 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 114 [2018-11-07 04:58:01,133 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2018-11-07 04:58:01,372 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2018-11-07 04:58:01,557 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2018-11-07 04:58:01,774 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2018-11-07 04:58:02,226 WARN L179 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 116 [2018-11-07 04:58:02,430 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2018-11-07 04:58:02,686 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-11-07 04:58:02,909 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2018-11-07 04:58:03,130 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2018-11-07 04:58:03,339 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2018-11-07 04:58:03,512 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-11-07 04:58:03,816 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 114 [2018-11-07 04:58:04,014 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2018-11-07 04:58:04,339 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2018-11-07 04:58:04,548 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2018-11-07 04:58:04,779 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2018-11-07 04:58:05,175 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2018-11-07 04:58:05,405 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2018-11-07 04:58:05,708 WARN L179 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 116 [2018-11-07 04:58:06,049 WARN L179 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-11-07 04:58:06,701 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-11-07 04:58:06,906 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2018-11-07 04:58:07,124 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2018-11-07 04:58:07,405 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 114 [2018-11-07 04:58:07,596 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2018-11-07 04:58:07,830 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2018-11-07 04:58:08,616 WARN L179 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 116 [2018-11-07 04:58:09,343 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2018-11-07 04:58:09,846 WARN L179 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 111 [2018-11-07 04:58:10,989 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2018-11-07 04:58:16,121 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2018-11-07 04:58:16,331 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 04:58:17,391 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 04:58:17,788 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 04:58:19,555 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 04:58:20,086 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 04:58:20,661 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 04:58:21,218 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 04:58:21,604 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2018-11-07 04:58:23,456 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 04:58:23,814 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 04:58:24,199 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 04:58:24,553 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 04:58:24,962 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 04:58:25,228 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 04:58:26,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 04:58:26,118 INFO L93 Difference]: Finished difference Result 3228 states and 3858 transitions. [2018-11-07 04:58:26,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2018-11-07 04:58:26,119 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 143 [2018-11-07 04:58:26,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 04:58:26,129 INFO L225 Difference]: With dead ends: 3228 [2018-11-07 04:58:26,129 INFO L226 Difference]: Without dead ends: 2573 [2018-11-07 04:58:26,147 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 223 SyntacticMatches, 11 SemanticMatches, 259 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19005 ImplicationChecksByTransitivity, 112.2s TimeCoverageRelationStatistics Valid=13577, Invalid=54276, Unknown=7, NotChecked=0, Total=67860 [2018-11-07 04:58:26,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2573 states. [2018-11-07 04:58:26,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2573 to 1047. [2018-11-07 04:58:26,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1047 states. [2018-11-07 04:58:26,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1185 transitions. [2018-11-07 04:58:26,332 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1185 transitions. Word has length 143 [2018-11-07 04:58:26,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 04:58:26,332 INFO L480 AbstractCegarLoop]: Abstraction has 1047 states and 1185 transitions. [2018-11-07 04:58:26,332 INFO L481 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-11-07 04:58:26,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1185 transitions. [2018-11-07 04:58:26,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-07 04:58:26,336 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:58:26,336 INFO L375 BasicCegarLoop]: trace histogram [17, 15, 15, 15, 15, 14, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 04:58:26,336 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:58:26,336 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:58:26,337 INFO L82 PathProgramCache]: Analyzing trace with hash -744183218, now seen corresponding path program 4 times [2018-11-07 04:58:26,337 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:58:26,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:58:26,338 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-07 04:58:26,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:58:26,338 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:58:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:58:26,696 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 375 proven. 140 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-11-07 04:58:26,696 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 04:58:26,696 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 04:58:26,696 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-07 04:58:26,697 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-07 04:58:26,697 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 04:58:26,697 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2018-11-07 04:58:26,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:58:26,707 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 04:58:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:58:26,761 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 04:58:26,841 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 711 trivial. 0 not checked. [2018-11-07 04:58:26,841 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 04:58:27,104 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 296 proven. 82 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2018-11-07 04:58:27,125 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 04:58:27,125 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 12] total 25 [2018-11-07 04:58:27,125 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 04:58:27,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-07 04:58:27,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-07 04:58:27,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=525, Unknown=0, NotChecked=0, Total=600 [2018-11-07 04:58:27,126 INFO L87 Difference]: Start difference. First operand 1047 states and 1185 transitions. Second operand 15 states. [2018-11-07 04:58:31,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 04:58:31,072 INFO L93 Difference]: Finished difference Result 3684 states and 4290 transitions. [2018-11-07 04:58:31,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-11-07 04:58:31,073 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 165 [2018-11-07 04:58:31,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 04:58:31,081 INFO L225 Difference]: With dead ends: 3684 [2018-11-07 04:58:31,081 INFO L226 Difference]: Without dead ends: 2678 [2018-11-07 04:58:31,083 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=450, Invalid=3710, Unknown=0, NotChecked=0, Total=4160 [2018-11-07 04:58:31,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2678 states. [2018-11-07 04:58:31,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2678 to 1070. [2018-11-07 04:58:31,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1070 states. [2018-11-07 04:58:31,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1212 transitions. [2018-11-07 04:58:31,304 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1212 transitions. Word has length 165 [2018-11-07 04:58:31,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 04:58:31,304 INFO L480 AbstractCegarLoop]: Abstraction has 1070 states and 1212 transitions. [2018-11-07 04:58:31,304 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-07 04:58:31,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1212 transitions. [2018-11-07 04:58:31,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-07 04:58:31,307 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:58:31,308 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 04:58:31,308 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:58:31,308 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:58:31,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1921594431, now seen corresponding path program 1 times [2018-11-07 04:58:31,308 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:58:31,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:58:31,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:58:31,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:58:31,309 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:58:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:58:31,768 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 3 proven. 184 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-11-07 04:58:31,769 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 04:58:31,769 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 04:58:31,769 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-11-07 04:58:31,769 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [6], [7], [8], [9], [10], [11], [12], [13], [14], [15], [16], [17], [18], [22], [25], [27], [28], [29], [31], [35], [36], [40], [42], [45], [47], [51], [55], [58], [60], [64], [67], [69], [70], [71], [74], [76], [78], [82], [86], [90], [92], [95], [97], [101], [104], [106], [107], [108], [111], [113], [115], [119], [130], [133], [135], [141], [142], [143], [145] [2018-11-07 04:58:31,771 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 04:58:31,771 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 04:58:31,780 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 04:58:39,785 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 04:58:39,785 INFO L272 AbstractInterpreter]: Visited 62 different actions 3955 times. Merged at 39 different actions 2877 times. Widened at 11 different actions 450 times. Found 637 fixpoints after 16 different actions. Largest state had 35 variables. [2018-11-07 04:58:39,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:58:39,824 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 04:58:39,824 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 04:58:39,824 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2018-11-07 04:58:39,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:58:39,836 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 04:58:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:58:39,893 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 04:58:41,583 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-11-07 04:58:42,052 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-07 04:58:42,503 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-07 04:58:42,945 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-11-07 04:58:43,440 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-11-07 04:58:44,489 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-07 04:58:45,069 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-07 04:58:45,681 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-07 04:58:46,311 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-07 04:58:46,936 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2018-11-07 04:58:46,951 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 22 treesize of output 15 [2018-11-07 04:58:46,951 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 04:58:47,194 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 3 [2018-11-07 04:58:47,195 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-07 04:58:47,303 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:58:47,324 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 04:58:47,325 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:26, output treesize:3 [2018-11-07 04:58:47,822 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 96 proven. 166 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2018-11-07 04:58:47,823 INFO L316 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2018-11-07 04:58:49,002 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-11-07 04:58:49,202 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 04:58:49,203 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 04:58:49,209 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 04:58:49,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:58:49 BoogieIcfgContainer [2018-11-07 04:58:49,210 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 04:58:49,211 INFO L168 Benchmark]: Toolchain (without parser) took 234055.07 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-11-07 04:58:49,211 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 04:58:49,211 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.23 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. [2018-11-07 04:58:49,212 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.14 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 04:58:49,212 INFO L168 Benchmark]: Boogie Preprocessor took 45.77 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: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2018-11-07 04:58:49,212 INFO L168 Benchmark]: RCFGBuilder took 684.02 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 731.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -767.5 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2018-11-07 04:58:49,212 INFO L168 Benchmark]: TraceAbstraction took 232966.98 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.2 GB in the beginning and 2.5 GB in the end (delta: -327.6 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-11-07 04:58:49,214 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 327.23 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 26.14 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 45.77 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: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 684.02 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 731.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -767.5 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 232966.98 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.2 GB in the beginning and 2.5 GB in the end (delta: -327.6 MB). Peak memory consumption was 1.6 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 173 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 66 locations, 1 error locations. TIMEOUT Result, 232.9s OverallTime, 14 OverallIterations, 17 TraceHistogramMax, 66.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1564 SDtfs, 10488 SDslu, 13011 SDs, 0 SdLazy, 17576 SolverSat, 2138 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 2439 GetRequests, 1865 SyntacticMatches, 13 SemanticMatches, 561 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21294 ImplicationChecksByTransitivity, 124.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1070occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 34.9s AbstIntTime, 8 AbstIntIterations, 1 AbstIntStrong, 0.973780487804878 AbsIntWeakeningRatio, 0.5365853658536586 AbsIntAvgWeakeningVarsNumRemoved, 86.1951219512195 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 13 MinimizatonAttempts, 6563 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 117.0s InterpolantComputationTime, 2064 NumberOfCodeBlocks, 2000 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 3008 ConstructedInterpolants, 76 QuantifiedInterpolants, 3770916 SizeOfPredicates, 79 NumberOfNonLiveVariables, 1796 ConjunctsInSsa, 239 ConjunctsInUnsatCore, 33 InterpolantComputations, 4 PerfectInterpolantSequences, 3704/4658 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown