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-INT-LIM.epf -i ../../../trunk/examples/svcomp/loops/vogal_false-unreach-call.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 22:00:55,465 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 22:00:55,467 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 22:00:55,480 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 22:00:55,480 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 22:00:55,482 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 22:00:55,483 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 22:00:55,485 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 22:00:55,487 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 22:00:55,488 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 22:00:55,489 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 22:00:55,489 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 22:00:55,490 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 22:00:55,491 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 22:00:55,492 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 22:00:55,493 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 22:00:55,494 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 22:00:55,496 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 22:00:55,498 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 22:00:55,500 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 22:00:55,501 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 22:00:55,504 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 22:00:55,509 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 22:00:55,509 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 22:00:55,510 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 22:00:55,514 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 22:00:55,515 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 22:00:55,515 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 22:00:55,518 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 22:00:55,519 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 22:00:55,519 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 22:00:55,520 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 22:00:55,520 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 22:00:55,523 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 22:00:55,524 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 22:00:55,525 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 22:00:55,525 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-07 22:00:55,559 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 22:00:55,559 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 22:00:55,560 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 22:00:55,561 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 22:00:55,561 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 22:00:55,561 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 22:00:55,561 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 22:00:55,561 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 22:00:55,562 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 22:00:55,562 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 22:00:55,562 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 22:00:55,562 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 22:00:55,562 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 22:00:55,563 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 22:00:55,564 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 22:00:55,564 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 22:00:55,564 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 22:00:55,564 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 22:00:55,564 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 22:00:55,565 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 22:00:55,568 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 22:00:55,569 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 22:00:55,569 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 22:00:55,569 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 22:00:55,569 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 22:00:55,569 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 22:00:55,570 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 22:00:55,570 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 22:00:55,570 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 22:00:55,570 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 22:00:55,571 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 22:00:55,571 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 22:00:55,571 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 22:00:55,572 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 22:00:55,572 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 22:00:55,630 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 22:00:55,648 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 22:00:55,652 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 22:00:55,654 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 22:00:55,654 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 22:00:55,655 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/vogal_false-unreach-call.i [2018-11-07 22:00:55,713 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78cf31ff4/a3bb6d7882564300add07c9e97eab111/FLAGfc60e8999 [2018-11-07 22:00:56,010 ERROR L413 mateJobChangeAdapter]: Error during toolchain job processing: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.parser.UltimateCdtExternalSettingsProvider$ToolchainDependency.access$0(UltimateCdtExternalSettingsProvider.java:86) at de.uni_freiburg.informatik.ultimate.cdt.parser.UltimateCdtExternalSettingsProvider.getSettings(UltimateCdtExternalSettingsProvider.java:67) at org.eclipse.cdt.core.settings.model.extension.CExternalSettingProvider.getSettings(CExternalSettingProvider.java:45) at org.eclipse.cdt.internal.core.settings.model.ExtensionContainerFactory$CExtensionSettingProviderDescriptor.getContainer(ExtensionContainerFactory.java:106) at org.eclipse.cdt.internal.core.settings.model.ExtensionContainerFactory.createContainer(ExtensionContainerFactory.java:181) at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager$ContainerDescriptor.(CExternalSettingsManager.java:146) at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager$ContainerDescriptor.(CExternalSettingsManager.java:139) at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager.checkExternalSettingsChange(CExternalSettingsManager.java:683) at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager.processContainerChange(CExternalSettingsManager.java:500) at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager.access$3(CExternalSettingsManager.java:493) at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager$2.run(CExternalSettingsManager.java:613) at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager$5.run(CProjectDescriptionManager.java:523) at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2241) at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.runAtomic(CProjectDescriptionManager.java:519) at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.access$2(CProjectDescriptionManager.java:517) at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager$4.run(CProjectDescriptionManager.java:498) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-07 22:00:56,192 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 22:00:56,193 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/vogal_false-unreach-call.i [2018-11-07 22:00:56,199 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78cf31ff4/a3bb6d7882564300add07c9e97eab111/FLAGfc60e8999 [2018-11-07 22:00:56,211 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78cf31ff4/a3bb6d7882564300add07c9e97eab111 [2018-11-07 22:00:56,222 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 22:00:56,223 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 22:00:56,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 22:00:56,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 22:00:56,228 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 22:00:56,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:00:56" (1/1) ... [2018-11-07 22:00:56,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ca4364d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:00:56, skipping insertion in model container [2018-11-07 22:00:56,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:00:56" (1/1) ... [2018-11-07 22:00:56,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 22:00:56,270 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 22:00:56,496 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 22:00:56,500 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 22:00:56,544 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 22:00:56,563 INFO L193 MainTranslator]: Completed translation [2018-11-07 22:00:56,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:00:56 WrapperNode [2018-11-07 22:00:56,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 22:00:56,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 22:00:56,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 22:00:56,564 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 22:00:56,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:00:56" (1/1) ... [2018-11-07 22:00:56,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:00:56" (1/1) ... [2018-11-07 22:00:56,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 22:00:56,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 22:00:56,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 22:00:56,591 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 22:00:56,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:00:56" (1/1) ... [2018-11-07 22:00:56,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:00:56" (1/1) ... [2018-11-07 22:00:56,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:00:56" (1/1) ... [2018-11-07 22:00:56,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:00:56" (1/1) ... [2018-11-07 22:00:56,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:00:56" (1/1) ... [2018-11-07 22:00:56,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:00:56" (1/1) ... [2018-11-07 22:00:56,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:00:56" (1/1) ... [2018-11-07 22:00:56,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 22:00:56,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 22:00:56,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 22:00:56,629 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 22:00:56,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:00:56" (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 22:00:56,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-07 22:00:56,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 22:00:56,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 22:00:56,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-07 22:00:56,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 22:00:56,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 22:00:56,769 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 22:00:56,769 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 22:00:56,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-07 22:00:56,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-07 22:00:56,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-07 22:00:56,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-07 22:00:56,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-07 22:00:57,310 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 22:00:57,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:00:57 BoogieIcfgContainer [2018-11-07 22:00:57,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 22:00:57,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 22:00:57,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 22:00:57,315 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 22:00:57,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:00:56" (1/3) ... [2018-11-07 22:00:57,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e48537c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:00:57, skipping insertion in model container [2018-11-07 22:00:57,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:00:56" (2/3) ... [2018-11-07 22:00:57,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e48537c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:00:57, skipping insertion in model container [2018-11-07 22:00:57,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:00:57" (3/3) ... [2018-11-07 22:00:57,318 INFO L112 eAbstractionObserver]: Analyzing ICFG vogal_false-unreach-call.i [2018-11-07 22:00:57,328 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 22:00:57,337 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 22:00:57,354 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 22:00:57,387 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 22:00:57,388 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 22:00:57,388 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 22:00:57,388 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 22:00:57,388 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 22:00:57,388 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 22:00:57,389 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 22:00:57,389 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 22:00:57,409 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2018-11-07 22:00:57,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-07 22:00:57,416 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 22:00:57,417 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 22:00:57,419 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 22:00:57,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:00:57,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1323688101, now seen corresponding path program 1 times [2018-11-07 22:00:57,428 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 22:00:57,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:00:57,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 22:00:57,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:00:57,475 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 22:00:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:00:57,595 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 22:00:57,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 22:00:57,598 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-07 22:00:57,598 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 22:00:57,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-07 22:00:57,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-07 22:00:57,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-07 22:00:57,622 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 2 states. [2018-11-07 22:00:57,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 22:00:57,646 INFO L93 Difference]: Finished difference Result 108 states and 135 transitions. [2018-11-07 22:00:57,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-07 22:00:57,648 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 31 [2018-11-07 22:00:57,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 22:00:57,656 INFO L225 Difference]: With dead ends: 108 [2018-11-07 22:00:57,656 INFO L226 Difference]: Without dead ends: 55 [2018-11-07 22:00:57,660 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 22:00:57,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-07 22:00:57,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-11-07 22:00:57,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-11-07 22:00:57,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 62 transitions. [2018-11-07 22:00:57,706 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 62 transitions. Word has length 31 [2018-11-07 22:00:57,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 22:00:57,707 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 62 transitions. [2018-11-07 22:00:57,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-07 22:00:57,707 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2018-11-07 22:00:57,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-07 22:00:57,709 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 22:00:57,709 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 22:00:57,710 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 22:00:57,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:00:57,710 INFO L82 PathProgramCache]: Analyzing trace with hash -2137456514, now seen corresponding path program 1 times [2018-11-07 22:00:57,710 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 22:00:57,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:00:57,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 22:00:57,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:00:57,712 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 22:00:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:00:57,920 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 22:00:57,920 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 22:00:57,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 22:00:57,921 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 22:00:57,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 22:00:57,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 22:00:57,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 22:00:57,924 INFO L87 Difference]: Start difference. First operand 55 states and 62 transitions. Second operand 3 states. [2018-11-07 22:00:58,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 22:00:58,172 INFO L93 Difference]: Finished difference Result 112 states and 132 transitions. [2018-11-07 22:00:58,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 22:00:58,174 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2018-11-07 22:00:58,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 22:00:58,177 INFO L225 Difference]: With dead ends: 112 [2018-11-07 22:00:58,177 INFO L226 Difference]: Without dead ends: 81 [2018-11-07 22:00:58,179 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 22:00:58,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-11-07 22:00:58,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 57. [2018-11-07 22:00:58,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-11-07 22:00:58,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 64 transitions. [2018-11-07 22:00:58,198 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 64 transitions. Word has length 37 [2018-11-07 22:00:58,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 22:00:58,198 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 64 transitions. [2018-11-07 22:00:58,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 22:00:58,198 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2018-11-07 22:00:58,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-07 22:00:58,201 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 22:00:58,201 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 22:00:58,202 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 22:00:58,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:00:58,202 INFO L82 PathProgramCache]: Analyzing trace with hash -495618163, now seen corresponding path program 1 times [2018-11-07 22:00:58,202 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 22:00:58,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:00:58,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 22:00:58,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:00:58,204 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 22:00:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:00:58,373 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 22:00:58,374 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:00:58,374 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 22:00:58,375 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 43 with the following transitions: [2018-11-07 22:00:58,377 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 22:00:58,409 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 22:00:58,409 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 22:00:58,546 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 22:00:58,721 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 22:00:58,722 INFO L272 AbstractInterpreter]: Visited 40 different actions 120 times. Merged at 11 different actions 72 times. Widened at 2 different actions 5 times. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-07 22:00:58,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:00:58,740 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 22:00:58,888 INFO L227 lantSequenceWeakener]: Weakened 39 states. On average, predicates are now at 67.15% of their original sizes. [2018-11-07 22:00:58,888 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 22:00:59,272 INFO L415 sIntCurrentIteration]: We unified 41 AI predicates to 41 [2018-11-07 22:00:59,272 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 22:00:59,273 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 22:00:59,274 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [4] total 15 [2018-11-07 22:00:59,274 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 22:00:59,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-07 22:00:59,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-07 22:00:59,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-11-07 22:00:59,276 INFO L87 Difference]: Start difference. First operand 57 states and 64 transitions. Second operand 13 states. [2018-11-07 22:01:01,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 22:01:01,617 INFO L93 Difference]: Finished difference Result 174 states and 211 transitions. [2018-11-07 22:01:01,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-07 22:01:01,618 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 42 [2018-11-07 22:01:01,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 22:01:01,621 INFO L225 Difference]: With dead ends: 174 [2018-11-07 22:01:01,621 INFO L226 Difference]: Without dead ends: 143 [2018-11-07 22:01:01,622 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 52 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=140, Invalid=412, Unknown=0, NotChecked=0, Total=552 [2018-11-07 22:01:01,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-11-07 22:01:01,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 83. [2018-11-07 22:01:01,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-11-07 22:01:01,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 96 transitions. [2018-11-07 22:01:01,639 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 96 transitions. Word has length 42 [2018-11-07 22:01:01,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 22:01:01,640 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 96 transitions. [2018-11-07 22:01:01,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-07 22:01:01,640 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2018-11-07 22:01:01,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-07 22:01:01,643 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 22:01:01,644 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 22:01:01,645 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 22:01:01,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:01:01,645 INFO L82 PathProgramCache]: Analyzing trace with hash -752884382, now seen corresponding path program 1 times [2018-11-07 22:01:01,645 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 22:01:01,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:01:01,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 22:01:01,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:01:01,648 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 22:01:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:01:01,783 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 22:01:01,783 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:01:01,783 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 22:01:01,783 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 55 with the following transitions: [2018-11-07 22:01:01,784 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 22:01:01,787 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 22:01:01,787 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 22:01:01,801 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 22:01:02,020 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 22:01:02,021 INFO L272 AbstractInterpreter]: Visited 50 different actions 263 times. Merged at 23 different actions 171 times. Widened at 5 different actions 14 times. Found 18 fixpoints after 6 different actions. Largest state had 29 variables. [2018-11-07 22:01:02,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:01:02,060 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 22:01:02,061 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:01:02,061 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 22:01:02,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 22:01:02,077 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 22:01:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:01:02,136 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 22:01:02,462 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 22:01:02,474 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 22:01:02,475 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:02,476 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:02,479 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 22:01:02,479 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-11-07 22:01:02,505 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 22:01:02,506 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 22:01:02,657 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 22:01:02,676 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 22:01:02,677 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:02,702 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:02,724 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 22:01:02,725 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:7 [2018-11-07 22:01:02,757 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 22:01:02,777 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-07 22:01:02,778 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [4] total 14 [2018-11-07 22:01:02,778 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 22:01:02,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-07 22:01:02,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-07 22:01:02,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-07 22:01:02,779 INFO L87 Difference]: Start difference. First operand 83 states and 96 transitions. Second operand 8 states. [2018-11-07 22:01:03,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 22:01:03,159 INFO L93 Difference]: Finished difference Result 112 states and 129 transitions. [2018-11-07 22:01:03,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 22:01:03,159 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2018-11-07 22:01:03,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 22:01:03,161 INFO L225 Difference]: With dead ends: 112 [2018-11-07 22:01:03,161 INFO L226 Difference]: Without dead ends: 80 [2018-11-07 22:01:03,162 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2018-11-07 22:01:03,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-11-07 22:01:03,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-11-07 22:01:03,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-11-07 22:01:03,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 92 transitions. [2018-11-07 22:01:03,171 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 92 transitions. Word has length 54 [2018-11-07 22:01:03,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 22:01:03,172 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 92 transitions. [2018-11-07 22:01:03,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-07 22:01:03,172 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2018-11-07 22:01:03,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-07 22:01:03,174 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 22:01:03,174 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 22:01:03,175 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 22:01:03,175 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:01:03,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1201571152, now seen corresponding path program 1 times [2018-11-07 22:01:03,175 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 22:01:03,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:01:03,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 22:01:03,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:01:03,177 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 22:01:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:01:03,275 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 22:01:03,275 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:01:03,276 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 22:01:03,276 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 57 with the following transitions: [2018-11-07 22:01:03,276 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 22:01:03,279 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 22:01:03,279 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 22:01:03,293 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 22:01:03,534 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 22:01:03,534 INFO L272 AbstractInterpreter]: Visited 51 different actions 382 times. Merged at 28 different actions 266 times. Widened at 8 different actions 34 times. Found 35 fixpoints after 9 different actions. Largest state had 30 variables. [2018-11-07 22:01:03,565 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:01:03,565 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 22:01:03,565 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:01:03,565 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 22:01:03,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 22:01:03,585 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 22:01:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:01:03,632 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 22:01:03,846 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 22:01:03,862 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 22:01:03,862 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:03,870 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:03,872 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 22:01:03,872 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2018-11-07 22:01:03,892 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 22:01:03,893 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 22:01:03,952 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 22:01:03,957 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 22:01:03,958 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:03,962 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:03,963 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 22:01:03,963 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:7 [2018-11-07 22:01:03,993 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 22:01:04,012 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 22:01:04,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 8, 7] total 14 [2018-11-07 22:01:04,013 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 22:01:04,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 22:01:04,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 22:01:04,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-11-07 22:01:04,016 INFO L87 Difference]: Start difference. First operand 80 states and 92 transitions. Second operand 10 states. [2018-11-07 22:01:04,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 22:01:04,632 INFO L93 Difference]: Finished difference Result 220 states and 265 transitions. [2018-11-07 22:01:04,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-07 22:01:04,633 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2018-11-07 22:01:04,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 22:01:04,635 INFO L225 Difference]: With dead ends: 220 [2018-11-07 22:01:04,635 INFO L226 Difference]: Without dead ends: 166 [2018-11-07 22:01:04,637 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2018-11-07 22:01:04,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-11-07 22:01:04,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 88. [2018-11-07 22:01:04,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-11-07 22:01:04,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 100 transitions. [2018-11-07 22:01:04,649 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 100 transitions. Word has length 56 [2018-11-07 22:01:04,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 22:01:04,649 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 100 transitions. [2018-11-07 22:01:04,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 22:01:04,649 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 100 transitions. [2018-11-07 22:01:04,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-07 22:01:04,651 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 22:01:04,651 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 22:01:04,651 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 22:01:04,651 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:01:04,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1895407758, now seen corresponding path program 1 times [2018-11-07 22:01:04,652 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 22:01:04,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:01:04,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 22:01:04,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:01:04,653 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 22:01:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:01:04,869 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 22:01:04,869 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:01:04,869 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 22:01:04,870 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 63 with the following transitions: [2018-11-07 22:01:04,870 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 22:01:04,872 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 22:01:04,872 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 22:01:04,885 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 22:01:05,068 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 22:01:05,068 INFO L272 AbstractInterpreter]: Visited 51 different actions 334 times. Merged at 28 different actions 225 times. Widened at 7 different actions 25 times. Found 29 fixpoints after 9 different actions. Largest state had 30 variables. [2018-11-07 22:01:05,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:01:05,108 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 22:01:05,108 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:01:05,108 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 22:01:05,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 22:01:05,126 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 22:01:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:01:05,170 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 22:01:05,305 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 22:01:05,305 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 22:01:05,395 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 22:01:05,415 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 22:01:05,416 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 4] total 9 [2018-11-07 22:01:05,416 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 22:01:05,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 22:01:05,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 22:01:05,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-07 22:01:05,417 INFO L87 Difference]: Start difference. First operand 88 states and 100 transitions. Second operand 7 states. [2018-11-07 22:01:05,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 22:01:05,904 INFO L93 Difference]: Finished difference Result 456 states and 573 transitions. [2018-11-07 22:01:05,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-07 22:01:05,907 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2018-11-07 22:01:05,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 22:01:05,910 INFO L225 Difference]: With dead ends: 456 [2018-11-07 22:01:05,913 INFO L226 Difference]: Without dead ends: 399 [2018-11-07 22:01:05,914 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 120 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-11-07 22:01:05,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2018-11-07 22:01:05,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 125. [2018-11-07 22:01:05,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-07 22:01:05,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 141 transitions. [2018-11-07 22:01:05,946 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 141 transitions. Word has length 62 [2018-11-07 22:01:05,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 22:01:05,946 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 141 transitions. [2018-11-07 22:01:05,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-07 22:01:05,946 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 141 transitions. [2018-11-07 22:01:05,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-07 22:01:05,948 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 22:01:05,948 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 22:01:05,949 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 22:01:05,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:01:05,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1442355975, now seen corresponding path program 1 times [2018-11-07 22:01:05,949 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 22:01:05,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:01:05,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 22:01:05,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:01:05,950 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 22:01:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:01:06,133 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 22:01:06,134 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:01:06,134 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 22:01:06,134 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 74 with the following transitions: [2018-11-07 22:01:06,134 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 22:01:06,136 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 22:01:06,137 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 22:01:06,147 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 22:01:06,348 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 22:01:06,348 INFO L272 AbstractInterpreter]: Visited 52 different actions 419 times. Merged at 29 different actions 275 times. Widened at 7 different actions 30 times. Found 50 fixpoints after 12 different actions. Largest state had 30 variables. [2018-11-07 22:01:06,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:01:06,386 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 22:01:06,386 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:01:06,386 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 22:01:06,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 22:01:06,402 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 22:01:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:01:06,442 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 22:01:06,570 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 22:01:06,570 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 22:01:06,637 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 22:01:06,657 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 22:01:06,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 5] total 11 [2018-11-07 22:01:06,658 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 22:01:06,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-07 22:01:06,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-07 22:01:06,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-11-07 22:01:06,659 INFO L87 Difference]: Start difference. First operand 125 states and 141 transitions. Second operand 8 states. [2018-11-07 22:01:07,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 22:01:07,976 INFO L93 Difference]: Finished difference Result 575 states and 695 transitions. [2018-11-07 22:01:07,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-07 22:01:07,979 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 73 [2018-11-07 22:01:07,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 22:01:07,982 INFO L225 Difference]: With dead ends: 575 [2018-11-07 22:01:07,982 INFO L226 Difference]: Without dead ends: 495 [2018-11-07 22:01:07,983 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 140 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-11-07 22:01:07,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2018-11-07 22:01:08,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 149. [2018-11-07 22:01:08,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-07 22:01:08,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 169 transitions. [2018-11-07 22:01:08,002 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 169 transitions. Word has length 73 [2018-11-07 22:01:08,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 22:01:08,003 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 169 transitions. [2018-11-07 22:01:08,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-07 22:01:08,003 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 169 transitions. [2018-11-07 22:01:08,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-07 22:01:08,004 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 22:01:08,005 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 22:01:08,005 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 22:01:08,005 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:01:08,005 INFO L82 PathProgramCache]: Analyzing trace with hash 268283823, now seen corresponding path program 2 times [2018-11-07 22:01:08,006 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 22:01:08,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:01:08,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 22:01:08,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:01:08,007 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 22:01:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:01:08,140 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 22:01:08,141 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:01:08,141 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 22:01:08,141 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-07 22:01:08,141 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-07 22:01:08,141 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:01:08,141 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 22:01:08,156 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-07 22:01:08,156 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-07 22:01:08,316 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-07 22:01:08,316 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-07 22:01:08,320 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 22:01:08,664 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 22:01:08,665 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 22:01:08,721 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 22:01:08,741 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 22:01:08,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2018-11-07 22:01:08,741 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 22:01:08,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-07 22:01:08,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-07 22:01:08,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-11-07 22:01:08,743 INFO L87 Difference]: Start difference. First operand 149 states and 169 transitions. Second operand 9 states. [2018-11-07 22:01:09,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 22:01:09,799 INFO L93 Difference]: Finished difference Result 561 states and 671 transitions. [2018-11-07 22:01:09,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-07 22:01:09,799 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2018-11-07 22:01:09,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 22:01:09,802 INFO L225 Difference]: With dead ends: 561 [2018-11-07 22:01:09,802 INFO L226 Difference]: Without dead ends: 457 [2018-11-07 22:01:09,803 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2018-11-07 22:01:09,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2018-11-07 22:01:09,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 179. [2018-11-07 22:01:09,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-11-07 22:01:09,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 204 transitions. [2018-11-07 22:01:09,824 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 204 transitions. Word has length 79 [2018-11-07 22:01:09,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 22:01:09,825 INFO L480 AbstractCegarLoop]: Abstraction has 179 states and 204 transitions. [2018-11-07 22:01:09,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-07 22:01:09,825 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 204 transitions. [2018-11-07 22:01:09,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-07 22:01:09,827 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 22:01:09,827 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 22:01:09,827 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 22:01:09,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:01:09,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1635169766, now seen corresponding path program 3 times [2018-11-07 22:01:09,828 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 22:01:09,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:01:09,828 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-07 22:01:09,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:01:09,829 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 22:01:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:01:10,056 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 22:01:10,057 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:01:10,057 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 22:01:10,057 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-07 22:01:10,057 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-07 22:01:10,057 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:01:10,057 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 22:01:10,065 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-07 22:01:10,065 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-11-07 22:01:10,095 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-07 22:01:10,095 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-07 22:01:10,099 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 22:01:10,331 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 22:01:10,348 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 22:01:10,349 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:10,371 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:10,394 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:10,395 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2018-11-07 22:01:10,440 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 22:01:10,440 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 22:01:10,529 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 22:01:10,532 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 22:01:10,533 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:10,534 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:10,535 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 22:01:10,535 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:9 [2018-11-07 22:01:10,587 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 22:01:10,607 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 22:01:10,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 9] total 22 [2018-11-07 22:01:10,607 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 22:01:10,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-07 22:01:10,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-07 22:01:10,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2018-11-07 22:01:10,608 INFO L87 Difference]: Start difference. First operand 179 states and 204 transitions. Second operand 16 states. [2018-11-07 22:01:12,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 22:01:12,966 INFO L93 Difference]: Finished difference Result 966 states and 1158 transitions. [2018-11-07 22:01:12,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-11-07 22:01:12,966 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 88 [2018-11-07 22:01:12,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 22:01:12,971 INFO L225 Difference]: With dead ends: 966 [2018-11-07 22:01:12,971 INFO L226 Difference]: Without dead ends: 838 [2018-11-07 22:01:12,973 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=300, Invalid=2150, Unknown=0, NotChecked=0, Total=2450 [2018-11-07 22:01:12,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2018-11-07 22:01:13,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 346. [2018-11-07 22:01:13,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2018-11-07 22:01:13,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 401 transitions. [2018-11-07 22:01:13,018 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 401 transitions. Word has length 88 [2018-11-07 22:01:13,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 22:01:13,018 INFO L480 AbstractCegarLoop]: Abstraction has 346 states and 401 transitions. [2018-11-07 22:01:13,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-07 22:01:13,018 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 401 transitions. [2018-11-07 22:01:13,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-07 22:01:13,020 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 22:01:13,021 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 22:01:13,021 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 22:01:13,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:01:13,021 INFO L82 PathProgramCache]: Analyzing trace with hash -2007371397, now seen corresponding path program 1 times [2018-11-07 22:01:13,021 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 22:01:13,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:01:13,022 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-07 22:01:13,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:01:13,023 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 22:01:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:01:13,213 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 22:01:13,213 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:01:13,214 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 22:01:13,214 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 127 with the following transitions: [2018-11-07 22:01:13,214 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 22:01:13,217 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 22:01:13,217 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 22:01:13,226 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 22:01:13,468 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 22:01:13,468 INFO L272 AbstractInterpreter]: Visited 60 different actions 555 times. Merged at 37 different actions 390 times. Widened at 11 different actions 50 times. Found 57 fixpoints after 12 different actions. Largest state had 34 variables. [2018-11-07 22:01:13,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:01:13,508 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 22:01:13,508 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:01:13,508 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 22:01:13,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 22:01:13,526 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 22:01:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:01:13,582 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 22:01:14,403 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 22:01:14,426 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 22:01:14,427 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:14,471 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:14,473 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 22:01:14,473 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:26, output treesize:3 [2018-11-07 22:01:14,542 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 22:01:14,542 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 22:01:14,845 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 22:01:14,899 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 22:01:14,907 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 7 xjuncts. [2018-11-07 22:01:15,143 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 22:01:15,148 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-07 22:01:15,178 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 22:01:15,179 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:15,207 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-07 22:01:15,237 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 22:01:15,238 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:32, output treesize:37 [2018-11-07 22:01:15,313 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 22:01:15,333 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 22:01:15,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 13, 11] total 25 [2018-11-07 22:01:15,334 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 22:01:15,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-07 22:01:15,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-07 22:01:15,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2018-11-07 22:01:15,335 INFO L87 Difference]: Start difference. First operand 346 states and 401 transitions. Second operand 17 states. [2018-11-07 22:01:17,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 22:01:17,834 INFO L93 Difference]: Finished difference Result 2067 states and 2439 transitions. [2018-11-07 22:01:17,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-07 22:01:17,834 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 126 [2018-11-07 22:01:17,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 22:01:17,841 INFO L225 Difference]: With dead ends: 2067 [2018-11-07 22:01:17,842 INFO L226 Difference]: Without dead ends: 1757 [2018-11-07 22:01:17,844 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=199, Invalid=991, Unknown=0, NotChecked=0, Total=1190 [2018-11-07 22:01:17,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1757 states. [2018-11-07 22:01:17,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1757 to 451. [2018-11-07 22:01:17,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2018-11-07 22:01:17,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 523 transitions. [2018-11-07 22:01:17,912 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 523 transitions. Word has length 126 [2018-11-07 22:01:17,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 22:01:17,912 INFO L480 AbstractCegarLoop]: Abstraction has 451 states and 523 transitions. [2018-11-07 22:01:17,913 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-07 22:01:17,913 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 523 transitions. [2018-11-07 22:01:17,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-07 22:01:17,915 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 22:01:17,915 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 22:01:17,915 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 22:01:17,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:01:17,916 INFO L82 PathProgramCache]: Analyzing trace with hash -361250674, now seen corresponding path program 1 times [2018-11-07 22:01:17,916 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 22:01:17,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:01:17,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 22:01:17,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:01:17,917 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 22:01:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:01:18,213 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 22:01:18,213 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:01:18,213 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 22:01:18,213 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 132 with the following transitions: [2018-11-07 22:01:18,214 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 22:01:18,215 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 22:01:18,216 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 22:01:18,225 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 22:01:18,550 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 22:01:18,550 INFO L272 AbstractInterpreter]: Visited 61 different actions 683 times. Merged at 38 different actions 469 times. Widened at 11 different actions 59 times. Found 88 fixpoints after 15 different actions. Largest state had 35 variables. [2018-11-07 22:01:18,588 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:01:18,588 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 22:01:18,588 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:01:18,588 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 22:01:18,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 22:01:18,607 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 22:01:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:01:18,664 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 22:01:19,421 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 22:01:19,429 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 22:01:19,430 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:19,448 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 22:01:19,448 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:19,461 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 22:01:19,462 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:19,521 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:19,523 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 22:01:19,524 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:26, output treesize:3 [2018-11-07 22:01:19,595 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 22:01:19,595 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 22:01:19,931 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 22:01:19,949 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 22:01:19,951 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-07 22:01:19,984 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 22:01:19,985 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:20,061 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 22:01:20,069 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 7 xjuncts. [2018-11-07 22:01:20,152 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-07 22:01:20,194 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 22:01:20,194 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:34, output treesize:61 [2018-11-07 22:01:20,327 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 22:01:20,351 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 22:01:20,351 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 15, 13] total 31 [2018-11-07 22:01:20,352 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 22:01:20,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-07 22:01:20,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-07 22:01:20,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=805, Unknown=0, NotChecked=0, Total=930 [2018-11-07 22:01:20,354 INFO L87 Difference]: Start difference. First operand 451 states and 523 transitions. Second operand 21 states. [2018-11-07 22:01:21,282 WARN L179 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-11-07 22:01:23,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 22:01:23,045 INFO L93 Difference]: Finished difference Result 1701 states and 2027 transitions. [2018-11-07 22:01:23,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-11-07 22:01:23,046 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 131 [2018-11-07 22:01:23,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 22:01:23,051 INFO L225 Difference]: With dead ends: 1701 [2018-11-07 22:01:23,052 INFO L226 Difference]: Without dead ends: 1318 [2018-11-07 22:01:23,054 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=377, Invalid=2593, Unknown=0, NotChecked=0, Total=2970 [2018-11-07 22:01:23,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2018-11-07 22:01:23,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 747. [2018-11-07 22:01:23,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2018-11-07 22:01:23,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 867 transitions. [2018-11-07 22:01:23,156 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 867 transitions. Word has length 131 [2018-11-07 22:01:23,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 22:01:23,156 INFO L480 AbstractCegarLoop]: Abstraction has 747 states and 867 transitions. [2018-11-07 22:01:23,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-07 22:01:23,157 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 867 transitions. [2018-11-07 22:01:23,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-07 22:01:23,159 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 22:01:23,160 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 22:01:23,160 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 22:01:23,160 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:01:23,160 INFO L82 PathProgramCache]: Analyzing trace with hash -384725650, now seen corresponding path program 2 times [2018-11-07 22:01:23,161 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 22:01:23,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:01:23,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 22:01:23,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:01:23,162 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 22:01:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:01:23,569 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 22:01:23,570 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:01:23,570 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 22:01:23,570 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-07 22:01:23,570 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-07 22:01:23,570 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:01:23,570 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 22:01:23,586 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-07 22:01:23,587 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-07 22:01:24,045 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-11-07 22:01:24,046 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-07 22:01:24,052 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 22:01:24,070 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 22:01:24,070 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:24,096 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:24,097 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-07 22:01:24,122 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,124 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,125 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 22:01:24,125 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:24,130 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:24,131 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-11-07 22:01:24,148 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 22:01:24,152 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 22:01:24,153 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:24,155 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:24,162 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:24,163 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2018-11-07 22:01:24,185 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 22:01:24,188 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,189 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,190 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 22:01:24,191 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:24,197 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:24,206 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:24,206 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:31, output treesize:27 [2018-11-07 22:01:24,235 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 22:01:24,237 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,251 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,252 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,253 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,254 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,254 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,255 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 22:01:24,256 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:24,270 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:24,283 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:24,284 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:40, output treesize:36 [2018-11-07 22:01:24,345 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 22:01:24,348 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,349 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,350 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,351 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,351 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,352 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,354 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,355 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,356 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,357 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,359 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,360 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,361 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 22:01:24,362 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:24,397 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:24,413 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:24,413 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:49, output treesize:45 [2018-11-07 22:01:24,455 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 22:01:24,476 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,477 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,478 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,479 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,479 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,480 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,481 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,482 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,484 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,485 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,504 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,505 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,505 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,507 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,508 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,509 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,510 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,511 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,512 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,514 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,515 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 22:01:24,517 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:24,561 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:24,577 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:24,578 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:58, output treesize:54 [2018-11-07 22:01:24,626 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 22:01:24,644 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,646 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,646 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,647 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,648 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,648 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,649 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,650 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,651 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,653 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,662 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,664 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,664 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,665 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,666 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,691 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,705 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,706 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,708 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,709 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,709 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,710 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,711 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,712 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,713 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,714 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,715 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,716 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,718 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,721 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,723 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 22:01:24,724 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:24,801 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:24,821 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:24,821 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:67, output treesize:63 [2018-11-07 22:01:24,893 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 22:01:24,900 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,902 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,905 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,908 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,910 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,912 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,914 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,917 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,919 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,923 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,925 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,928 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,930 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,933 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,935 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,938 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,940 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,942 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,944 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,946 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,948 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,950 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,952 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,954 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,956 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,958 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,960 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,962 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,966 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,969 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,971 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,973 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,975 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,977 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,979 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,982 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,984 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,989 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,991 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,994 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,996 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,998 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:24,998 INFO L303 Elim1Store]: Index analysis took 103 ms [2018-11-07 22:01:24,999 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 22:01:25,001 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:25,214 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:25,237 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:25,238 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2018-11-07 22:01:25,296 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 22:01:25,301 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,323 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,324 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,325 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,326 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,326 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,327 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,328 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,329 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,330 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,331 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,333 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,334 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,335 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,336 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,337 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,338 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,339 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,340 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,341 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,342 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,343 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,344 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,345 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,346 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,348 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,349 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,350 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,351 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,352 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,353 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,355 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,361 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,362 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,363 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,364 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,364 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,365 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,366 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,368 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,369 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,370 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,371 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,372 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,374 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,375 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,376 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,377 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,378 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,380 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,381 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,382 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,383 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,384 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,385 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,386 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,389 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 22:01:25,391 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:25,575 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:25,601 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:25,602 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:85, output treesize:81 [2018-11-07 22:01:25,669 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 22:01:25,674 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,675 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,676 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,676 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,677 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,679 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,680 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,681 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,682 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,683 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,685 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,686 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,687 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,688 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,689 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,690 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,691 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,693 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,694 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,695 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,696 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,697 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,698 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,700 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,701 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,702 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,703 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,704 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,705 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,706 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,707 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,708 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,710 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,711 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,712 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,713 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,714 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,716 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,719 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,720 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,721 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,722 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,722 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,756 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,780 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,790 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,794 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,795 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,796 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,797 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,799 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,800 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,801 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,802 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,803 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,805 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,806 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,807 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,808 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,810 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,811 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,812 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,813 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,815 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,816 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,817 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,818 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,820 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,821 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,822 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,823 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,825 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:25,825 INFO L303 Elim1Store]: Index analysis took 153 ms [2018-11-07 22:01:25,827 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 22:01:25,831 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:26,121 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:26,150 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:26,151 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:94, output treesize:90 [2018-11-07 22:01:26,221 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 22:01:26,229 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,230 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,230 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,231 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,232 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,233 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,234 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,246 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,247 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,248 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,248 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,249 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,250 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,251 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,252 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,253 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,254 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,255 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,256 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,257 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,258 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,260 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,261 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,262 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,263 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,264 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,265 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,266 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,267 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,268 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,269 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,270 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,271 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,272 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,273 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,274 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,276 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,277 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,278 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,279 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,280 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,281 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,282 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,283 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,284 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,285 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,287 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,288 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,289 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,290 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,291 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,293 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,294 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,295 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,296 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,297 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,298 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,300 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,301 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,302 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,303 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,304 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,305 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,307 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,308 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,309 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,310 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,311 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,313 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,314 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,315 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,316 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,317 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,318 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,320 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,321 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,322 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,323 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,324 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,326 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,327 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,328 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,329 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,330 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,331 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,332 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,334 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,335 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,336 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,337 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:26,338 INFO L303 Elim1Store]: Index analysis took 113 ms [2018-11-07 22:01:26,340 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 22:01:26,342 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:26,914 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:26,946 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:26,947 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:103, output treesize:99 [2018-11-07 22:01:27,027 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 22:01:27,036 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,037 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,038 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,039 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,040 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,041 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,043 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,044 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,045 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,046 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,047 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,048 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,049 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,050 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,051 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,052 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,053 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,054 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,055 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,057 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,058 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,059 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,060 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,061 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,062 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,063 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,064 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,065 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,066 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,067 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,068 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,069 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,071 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,072 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,073 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,074 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,075 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,076 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,077 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,078 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,079 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,080 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,081 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,083 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,084 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,085 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,086 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,087 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,088 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,089 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,090 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,091 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,092 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,093 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,094 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,096 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,097 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,098 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,099 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,101 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,102 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,103 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,104 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,105 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,106 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,108 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,109 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,110 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,111 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,112 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,114 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,115 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,116 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,117 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,118 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,120 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,121 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,122 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,123 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,124 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,125 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,127 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,128 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,129 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,130 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,131 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,133 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,134 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,135 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,136 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,137 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,139 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,140 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,141 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,142 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,143 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,144 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,146 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,147 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,148 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,149 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,150 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,151 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,153 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,154 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,155 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,156 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,157 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,159 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,160 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:27,160 INFO L303 Elim1Store]: Index analysis took 129 ms [2018-11-07 22:01:27,163 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 22:01:27,165 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:27,677 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:27,711 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:27,711 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:112, output treesize:108 [2018-11-07 22:01:27,913 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 22:01:27,936 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 22:01:27,937 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:27,985 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:28,026 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 22:01:28,027 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:111 [2018-11-07 22:01:28,189 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 22:01:28,192 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 22:01:28,192 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:28,223 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:28,264 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 22:01:28,265 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:111 [2018-11-07 22:01:28,366 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 22:01:28,369 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 22:01:28,370 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:28,398 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:28,440 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 22:01:28,440 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:111 [2018-11-07 22:01:28,623 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 22:01:28,635 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 22:01:28,635 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:28,697 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:28,738 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 22:01:28,738 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:111 [2018-11-07 22:01:28,780 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:01:28,782 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 22:01:28,790 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 22:01:28,791 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:01:28,821 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:28,856 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:01:28,857 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:121, output treesize:113 [2018-11-07 22:01:30,870 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 22:01:30,871 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 22:01:59,753 WARN L179 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2018-11-07 22:02:08,512 WARN L179 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-11-07 22:02:21,989 WARN L179 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2018-11-07 22:02:42,786 WARN L179 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2018-11-07 22:02:42,852 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 22:02:42,936 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 22:02:42,965 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:42,965 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:42,967 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 22:02:42,974 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:42,974 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:42,975 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:42,975 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:42,976 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 22:02:42,977 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-07 22:02:43,048 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:02:43,161 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:02:43,174 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-07 22:02:43,174 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-07 22:02:43,339 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 22:02:43,352 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,352 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,356 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,370 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,371 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,371 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,383 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,412 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 22:02:43,456 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,475 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,476 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,519 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,524 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,532 INFO L303 Elim1Store]: Index analysis took 117 ms [2018-11-07 22:02:43,561 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 22:02:43,597 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,597 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,598 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,598 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,599 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:02:43,623 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:02:43,654 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:02:43,663 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 22:02:43,702 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,711 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,724 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,733 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,747 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,756 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,769 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,773 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,773 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,775 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,787 INFO L303 Elim1Store]: Index analysis took 120 ms [2018-11-07 22:02:43,788 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 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 22:02:43,916 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2018-11-07 22:02:43,930 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,930 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,931 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,931 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,932 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,935 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:02:43,936 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,936 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,936 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,937 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,937 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,938 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:43,988 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:02:43,989 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:44,012 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 22:02:44,013 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-07 22:02:44,058 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:02:44,086 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:02:44,531 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:44,548 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:44,627 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:44,628 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:44,635 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:44,636 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:44,636 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:44,709 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:44,714 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:44,714 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:44,715 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:44,735 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:44,760 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:44,761 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:44,939 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:44,954 INFO L303 Elim1Store]: Index analysis took 454 ms [2018-11-07 22:02:44,980 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 22:02:45,009 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:45,024 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:45,037 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:45,046 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:45,060 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:45,069 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:45,082 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:45,088 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:45,090 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:02:45,113 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:02:45,153 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:02:45,221 INFO L303 Elim1Store]: Index analysis took 236 ms [2018-11-07 22:02:45,223 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 22:02:45,362 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 63 [2018-11-07 22:02:45,412 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:45,413 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:45,413 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:45,414 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:45,414 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:45,415 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:45,415 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:45,416 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:45,417 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:45,433 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:02:45,434 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:45,434 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:45,434 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:45,435 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:45,435 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:45,436 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:45,438 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:02:45,458 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 22:02:45,459 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-07 22:02:45,578 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:02:46,025 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:46,026 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:02:46,026 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:46,027 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:46,027 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:46,028 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:46,028 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:46,029 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:46,030 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:46,030 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:46,031 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:46,052 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:02:46,075 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:02:46,076 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:46,128 INFO L303 Elim1Store]: Index analysis took 110 ms [2018-11-07 22:02:46,130 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 22:02:46,307 WARN L179 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2018-11-07 22:02:46,317 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:46,318 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:46,318 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:46,318 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:46,319 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:46,319 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:46,320 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:46,320 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:46,320 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:46,321 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:46,322 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:46,322 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:46,323 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:46,439 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:02:46,440 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:46,440 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:46,446 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:02:46,447 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:46,504 INFO L303 Elim1Store]: Index analysis took 195 ms [2018-11-07 22:02:46,505 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 22:02:46,506 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-07 22:02:46,563 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:02:47,033 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:47,042 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:47,042 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:47,053 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:47,163 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:47,166 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:47,188 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:47,197 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:47,200 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:47,201 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:47,206 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:47,206 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:47,206 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:47,281 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:47,297 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:47,298 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:47,298 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:47,326 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:47,454 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:47,455 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:47,507 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:47,529 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:02:47,530 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:47,544 INFO L303 Elim1Store]: Index analysis took 635 ms [2018-11-07 22:02:47,570 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 22:02:48,342 WARN L179 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 159 [2018-11-07 22:02:48,349 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-07 22:02:48,350 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-07 22:02:48,357 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-07 22:02:48,358 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-07 22:02:48,369 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:48,370 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:48,370 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:48,371 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:48,371 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:48,372 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:48,372 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:48,373 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:48,373 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:48,374 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:48,375 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:48,375 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:48,376 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:48,377 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:48,378 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:48,378 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:48,379 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:48,389 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:02:48,390 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:48,391 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:48,391 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:48,393 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:02:48,419 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 22:02:48,421 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-07 22:02:48,424 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-07 22:02:48,424 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-07 22:02:50,236 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:50,236 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:50,237 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:50,237 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:50,238 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:50,238 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:50,239 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:50,242 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:02:50,243 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:50,243 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:50,264 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:02:50,265 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:50,266 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:50,266 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:50,266 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:50,267 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:50,267 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:50,271 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:02:52,430 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (select v_arrayElimArr_11 (+ |main_~#string_entrada~0.offset| 1)) (select v_arrayElimArr_11 (+ |main_~#string_entrada~0.offset| 2))) [2018-11-07 22:02:52,446 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:52,447 INFO L303 Elim1Store]: Index analysis took 2215 ms [2018-11-07 22:02:52,448 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 22:02:52,449 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-07 22:02:52,533 INFO L267 ElimStorePlain]: Start of recursive call 18: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-07 22:02:52,742 INFO L267 ElimStorePlain]: Start of recursive call 13: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-07 22:02:53,561 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:53,561 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:53,562 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:53,562 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:53,562 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:53,563 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:53,568 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:02:53,571 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:53,585 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 22:02:53,591 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:53,592 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:53,592 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:53,592 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:53,593 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:53,593 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:53,593 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:53,594 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:53,606 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 22:02:53,711 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:53,711 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:53,712 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:53,713 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:53,713 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:53,714 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:53,714 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:53,715 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:53,715 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:53,715 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:53,716 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:53,718 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:02:53,718 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:53,722 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:53,738 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 22:02:53,739 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-07 22:02:53,757 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-07 22:02:53,757 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-07 22:02:53,902 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:02:53,921 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:02:54,018 INFO L267 ElimStorePlain]: Start of recursive call 9: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-07 22:02:55,766 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:55,767 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:55,767 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:55,768 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:55,772 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:02:55,784 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:02:55,785 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:55,790 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 22:02:55,818 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:55,833 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:55,842 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:55,858 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:55,867 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:55,882 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:55,937 INFO L303 Elim1Store]: Index analysis took 145 ms [2018-11-07 22:02:55,938 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 22:02:55,946 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:55,946 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:55,947 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:55,947 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:55,947 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:55,948 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:55,948 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:55,948 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:55,949 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:55,949 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:55,965 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 22:02:56,073 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,073 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,074 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,074 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,075 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,075 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,075 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,076 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,077 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:02:56,077 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,078 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,079 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,106 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 22:02:56,107 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-11-07 22:02:56,146 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:02:56,160 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:02:56,178 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:02:56,268 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,269 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,270 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,270 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,271 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,272 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,281 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:02:56,282 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,302 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 22:02:56,307 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,308 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,308 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,308 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,309 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,309 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,310 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,323 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 22:02:56,329 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,330 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,331 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,331 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,332 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,332 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,333 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,334 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,334 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,335 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,335 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,336 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,388 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 22:02:56,569 WARN L179 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2018-11-07 22:02:56,612 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,612 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,613 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,613 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,613 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,614 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,615 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,615 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,616 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,616 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,617 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,618 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,619 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,633 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:02:56,634 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,634 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,635 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,655 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:02:56,663 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 22:02:56,664 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-11-07 22:02:56,763 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:02:56,782 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:02:56,798 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:02:57,030 INFO L267 ElimStorePlain]: Start of recursive call 8: 4 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-07 22:02:57,192 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-07 22:02:57,334 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 22:02:57,620 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 22:02:57,620 INFO L202 ElimStorePlain]: Needed 35 recursive calls to eliminate 6 variables, input treesize:312, output treesize:76 [2018-11-07 22:03:00,739 WARN L179 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 55 [2018-11-07 22:03:00,763 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 22:03:00,846 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-07 22:03:00,847 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:03:00,852 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 22:03:00,863 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:00,864 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 22:03:00,864 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-07 22:03:00,904 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:03:00,963 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 22:03:01,033 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,057 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 22:03:01,064 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,065 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,065 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,067 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:01,075 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 22:03:01,081 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,081 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,081 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,082 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,082 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,096 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 22:03:01,103 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,104 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,104 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,104 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,105 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,105 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,105 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,106 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,106 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,121 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 22:03:01,238 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2018-11-07 22:03:01,272 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,273 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,273 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,273 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,274 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,274 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,275 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,275 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,276 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,277 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,277 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,278 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,279 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,282 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:01,282 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,283 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,299 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:01,325 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 22:03:01,326 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-07 22:03:01,371 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:03:01,383 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:03:01,394 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:03:01,492 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,493 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,494 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:01,497 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:01,499 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 22:03:01,503 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,504 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,504 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,507 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 22:03:01,511 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,512 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,512 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,512 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,513 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,513 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,520 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 22:03:01,573 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,574 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,574 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,575 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:01,575 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,576 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,576 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,586 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 22:03:01,587 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-07 22:03:01,606 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:03:01,617 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:03:01,627 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:03:01,712 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,720 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,771 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,796 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 22:03:01,807 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,808 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,808 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,809 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,810 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:01,812 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:01,816 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:01,820 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 22:03:01,827 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,827 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,828 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,828 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,828 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,829 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,834 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 22:03:01,920 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,920 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,920 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,922 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:01,923 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,923 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,924 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,926 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:01,926 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:01,936 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 22:03:01,937 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-07 22:03:01,964 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:03:01,982 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:03:02,258 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,259 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,275 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,278 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,280 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,282 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,331 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,365 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 22:03:02,381 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,381 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,383 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:02,383 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,385 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,385 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,385 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,387 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:02,396 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:02,408 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 22:03:02,519 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2018-11-07 22:03:02,537 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,537 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,538 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,540 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:02,542 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,542 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,543 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,546 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:02,546 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,554 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 22:03:02,555 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-07 22:03:02,599 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:03:02,903 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,904 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,906 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,917 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,917 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,920 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,924 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,924 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,927 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,929 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:02,930 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:03,018 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:03,018 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:03,029 INFO L303 Elim1Store]: Index analysis took 134 ms [2018-11-07 22:03:03,050 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 22:03:05,061 WARN L179 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 166 DAG size of output: 136 [2018-11-07 22:03:05,074 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-07 22:03:05,075 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-07 22:03:05,078 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-07 22:03:05,078 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-07 22:03:05,086 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,087 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,087 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,090 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:05,096 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:05,097 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,097 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,097 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,098 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,098 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,099 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,102 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:05,114 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 22:03:05,115 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-07 22:03:05,117 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-07 22:03:05,118 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-07 22:03:05,360 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,360 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,361 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,361 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,362 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,362 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,363 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,363 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,364 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,365 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,365 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,366 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,367 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,367 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,368 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,368 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,369 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,372 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:05,375 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:05,395 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 22:03:05,396 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-11-07 22:03:05,490 INFO L267 ElimStorePlain]: Start of recursive call 23: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-07 22:03:05,575 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,575 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,576 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,576 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,576 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,577 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,577 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,577 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,578 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,579 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:05,583 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:05,587 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:05,596 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 22:03:05,693 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,694 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,694 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,696 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:05,696 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,697 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,697 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,698 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,698 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,699 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,702 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:05,711 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 22:03:05,711 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-07 22:03:05,754 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:03:05,785 INFO L267 ElimStorePlain]: Start of recursive call 20: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-07 22:03:05,840 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,841 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,841 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,843 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:05,847 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 22:03:05,858 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,859 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,859 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,859 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,860 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,860 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,867 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 22:03:05,920 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,920 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,921 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,922 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:03:05,922 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,922 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,923 INFO L682 Elim1Store]: detected equality via solver [2018-11-07 22:03:05,937 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 22:03:05,938 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-07 22:03:05,957 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:03:05,970 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:03:06,006 INFO L267 ElimStorePlain]: Start of recursive call 16: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-07 22:03:06,097 INFO L267 ElimStorePlain]: Start of recursive call 7: 4 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-07 22:03:06,141 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-07 22:03:06,187 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 22:03:06,250 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 22:03:06,250 INFO L202 ElimStorePlain]: Needed 33 recursive calls to eliminate 7 variables, input treesize:265, output treesize:58 [2018-11-07 22:03:06,587 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 5 proven. 90 refuted. 9 times theorem prover too weak. 146 trivial. 0 not checked. [2018-11-07 22:03:06,607 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 22:03:06,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 32, 33] total 70 [2018-11-07 22:03:06,608 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 22:03:06,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-11-07 22:03:06,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-11-07 22:03:06,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=961, Invalid=3859, Unknown=10, NotChecked=0, Total=4830 [2018-11-07 22:03:06,611 INFO L87 Difference]: Start difference. First operand 747 states and 867 transitions. Second operand 39 states. [2018-11-07 22:03:10,102 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2018-11-07 22:03:10,481 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2018-11-07 22:03:10,676 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2018-11-07 22:03:10,900 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2018-11-07 22:03:11,070 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2018-11-07 22:03:11,406 WARN L179 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2018-11-07 22:03:11,596 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-11-07 22:03:11,809 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2018-11-07 22:03:12,024 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2018-11-07 22:03:12,207 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2018-11-07 22:03:12,446 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2018-11-07 22:03:12,642 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2018-11-07 22:03:12,931 WARN L179 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 117 [2018-11-07 22:03:13,131 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2018-11-07 22:03:13,385 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-11-07 22:03:13,598 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2018-11-07 22:03:13,818 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2018-11-07 22:03:14,035 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2018-11-07 22:03:14,199 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-11-07 22:03:14,467 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 115 [2018-11-07 22:03:14,655 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2018-11-07 22:03:14,910 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2018-11-07 22:03:15,115 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2018-11-07 22:03:15,342 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2018-11-07 22:03:15,539 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2018-11-07 22:03:15,736 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2018-11-07 22:03:15,956 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2018-11-07 22:03:16,226 WARN L179 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 116 [2018-11-07 22:03:16,445 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-11-07 22:03:16,739 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2018-11-07 22:03:16,899 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2018-11-07 22:03:17,089 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-11-07 22:03:17,301 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2018-11-07 22:03:17,524 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2018-11-07 22:03:17,824 WARN L179 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 114 [2018-11-07 22:03:18,040 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2018-11-07 22:03:18,278 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2018-11-07 22:03:18,458 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2018-11-07 22:03:18,675 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2018-11-07 22:03:19,142 WARN L179 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 116 [2018-11-07 22:03:19,337 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2018-11-07 22:03:19,593 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-11-07 22:03:19,811 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2018-11-07 22:03:20,022 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2018-11-07 22:03:20,232 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2018-11-07 22:03:20,403 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-11-07 22:03:20,684 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 114 [2018-11-07 22:03:20,874 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2018-11-07 22:03:21,105 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2018-11-07 22:03:21,303 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2018-11-07 22:03:21,530 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2018-11-07 22:03:21,912 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2018-11-07 22:03:22,131 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2018-11-07 22:03:22,423 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 116 [2018-11-07 22:03:22,668 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-11-07 22:03:23,009 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2018-11-07 22:03:23,192 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2018-11-07 22:03:23,386 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-11-07 22:03:23,591 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2018-11-07 22:03:23,813 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2018-11-07 22:03:24,074 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 114 [2018-11-07 22:03:24,306 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2018-11-07 22:03:24,545 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2018-11-07 22:03:24,723 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2018-11-07 22:03:24,935 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2018-11-07 22:03:25,380 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 116 [2018-11-07 22:03:25,608 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2018-11-07 22:03:25,938 WARN L179 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-11-07 22:03:26,164 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2018-11-07 22:03:26,385 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2018-11-07 22:03:26,586 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2018-11-07 22:03:26,753 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-11-07 22:03:27,043 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 114 [2018-11-07 22:03:27,231 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2018-11-07 22:03:27,504 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2018-11-07 22:03:27,709 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2018-11-07 22:03:27,981 WARN L179 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2018-11-07 22:03:28,400 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2018-11-07 22:03:28,623 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2018-11-07 22:03:28,904 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 116 [2018-11-07 22:03:29,113 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-11-07 22:03:29,713 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-11-07 22:03:29,915 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2018-11-07 22:03:30,126 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2018-11-07 22:03:30,397 WARN L179 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 114 [2018-11-07 22:03:30,588 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2018-11-07 22:03:30,827 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2018-11-07 22:03:31,645 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 116 [2018-11-07 22:03:32,423 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2018-11-07 22:03:32,957 WARN L179 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 111 [2018-11-07 22:03:34,965 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2018-11-07 22:03:38,293 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2018-11-07 22:03:38,478 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 22:03:39,022 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 22:03:40,105 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 22:03:41,016 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 22:03:43,275 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 22:03:43,850 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 22:03:44,391 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 22:03:45,320 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 22:03:46,496 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 22:03:46,852 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 22:03:47,196 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 22:03:47,551 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 22:03:47,905 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 22:03:48,157 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-11-07 22:03:49,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 22:03:49,116 INFO L93 Difference]: Finished difference Result 3228 states and 3858 transitions. [2018-11-07 22:03:49,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2018-11-07 22:03:49,116 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 143 [2018-11-07 22:03:49,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 22:03:49,126 INFO L225 Difference]: With dead ends: 3228 [2018-11-07 22:03:49,126 INFO L226 Difference]: Without dead ends: 2573 [2018-11-07 22:03:49,144 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 223 SyntacticMatches, 11 SemanticMatches, 259 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19000 ImplicationChecksByTransitivity, 109.0s TimeCoverageRelationStatistics Valid=13576, Invalid=54274, Unknown=10, NotChecked=0, Total=67860 [2018-11-07 22:03:49,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2573 states. [2018-11-07 22:03:49,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2573 to 1047. [2018-11-07 22:03:49,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1047 states. [2018-11-07 22:03:49,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1185 transitions. [2018-11-07 22:03:49,286 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1185 transitions. Word has length 143 [2018-11-07 22:03:49,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 22:03:49,286 INFO L480 AbstractCegarLoop]: Abstraction has 1047 states and 1185 transitions. [2018-11-07 22:03:49,286 INFO L481 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-11-07 22:03:49,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1185 transitions. [2018-11-07 22:03:49,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-07 22:03:49,289 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 22:03:49,290 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 22:03:49,290 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 22:03:49,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:03:49,290 INFO L82 PathProgramCache]: Analyzing trace with hash -744183218, now seen corresponding path program 4 times [2018-11-07 22:03:49,290 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 22:03:49,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:03:49,291 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-07 22:03:49,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:03:49,291 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 22:03:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:03:49,856 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 22:03:49,857 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:03:49,857 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 22:03:49,857 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-07 22:03:49,857 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-07 22:03:49,857 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:03:49,857 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 22:03:49,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 22:03:49,868 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 22:03:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:03:49,922 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 22:03:49,997 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 22:03:49,998 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 22:03:50,258 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 22:03:50,280 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 22:03:50,280 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 12] total 25 [2018-11-07 22:03:50,280 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 22:03:50,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-07 22:03:50,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-07 22:03:50,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=525, Unknown=0, NotChecked=0, Total=600 [2018-11-07 22:03:50,281 INFO L87 Difference]: Start difference. First operand 1047 states and 1185 transitions. Second operand 15 states. [2018-11-07 22:03:54,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 22:03:54,203 INFO L93 Difference]: Finished difference Result 3684 states and 4290 transitions. [2018-11-07 22:03:54,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-11-07 22:03:54,204 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 165 [2018-11-07 22:03:54,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 22:03:54,212 INFO L225 Difference]: With dead ends: 3684 [2018-11-07 22:03:54,212 INFO L226 Difference]: Without dead ends: 2678 [2018-11-07 22:03:54,214 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=450, Invalid=3710, Unknown=0, NotChecked=0, Total=4160 [2018-11-07 22:03:54,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2678 states. [2018-11-07 22:03:54,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2678 to 1070. [2018-11-07 22:03:54,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1070 states. [2018-11-07 22:03:54,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1212 transitions. [2018-11-07 22:03:54,404 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1212 transitions. Word has length 165 [2018-11-07 22:03:54,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 22:03:54,404 INFO L480 AbstractCegarLoop]: Abstraction has 1070 states and 1212 transitions. [2018-11-07 22:03:54,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-07 22:03:54,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1212 transitions. [2018-11-07 22:03:54,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-07 22:03:54,408 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 22:03:54,409 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 22:03:54,409 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 22:03:54,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:03:54,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1921594431, now seen corresponding path program 1 times [2018-11-07 22:03:54,409 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 22:03:54,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:03:54,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 22:03:54,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:03:54,410 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 22:03:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:03:54,709 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 22:03:54,709 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:03:54,709 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 22:03:54,709 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-11-07 22:03:54,710 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 22:03:54,711 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 22:03:54,711 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 22:03:54,720 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 22:03:55,062 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 22:03:55,062 INFO L272 AbstractInterpreter]: Visited 62 different actions 728 times. Merged at 39 different actions 493 times. Widened at 11 different actions 61 times. Found 106 fixpoints after 18 different actions. Largest state had 35 variables. [2018-11-07 22:03:55,100 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:03:55,100 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 22:03:55,100 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:03:55,100 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 22:03:55,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 22:03:55,113 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 22:03:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:03:55,175 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 22:03:55,694 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 22:03:55,697 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 22:03:55,698 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:03:55,713 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 22:03:55,713 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-07 22:03:55,719 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:03:55,720 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 22:03:55,721 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:26, output treesize:3 [2018-11-07 22:03:55,801 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 22:03:55,801 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 22:03:56,054 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 22:03:56,068 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 22:03:56,069 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-07 22:03:56,131 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 22:03:56,134 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 7 xjuncts. [2018-11-07 22:03:56,184 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 22:03:56,185 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-07 22:03:56,220 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-07 22:03:56,255 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 22:03:56,256 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:34, output treesize:61 [2018-11-07 22:03:56,456 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 101 proven. 122 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2018-11-07 22:03:56,478 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 22:03:56,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 18, 15] total 39 [2018-11-07 22:03:56,478 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 22:03:56,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-11-07 22:03:56,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-11-07 22:03:56,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=1319, Unknown=0, NotChecked=0, Total=1482 [2018-11-07 22:03:56,479 INFO L87 Difference]: Start difference. First operand 1070 states and 1212 transitions. Second operand 27 states. [2018-11-07 22:03:59,122 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-11-07 22:04:01,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 22:04:01,824 INFO L93 Difference]: Finished difference Result 2857 states and 3312 transitions. [2018-11-07 22:04:01,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-11-07 22:04:01,824 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 172 [2018-11-07 22:04:01,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 22:04:01,831 INFO L225 Difference]: With dead ends: 2857 [2018-11-07 22:04:01,831 INFO L226 Difference]: Without dead ends: 2274 [2018-11-07 22:04:01,834 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2121 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=694, Invalid=7678, Unknown=0, NotChecked=0, Total=8372 [2018-11-07 22:04:01,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2274 states. [2018-11-07 22:04:02,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2274 to 1362. [2018-11-07 22:04:02,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1362 states. [2018-11-07 22:04:02,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 1520 transitions. [2018-11-07 22:04:02,060 INFO L78 Accepts]: Start accepts. Automaton has 1362 states and 1520 transitions. Word has length 172 [2018-11-07 22:04:02,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 22:04:02,060 INFO L480 AbstractCegarLoop]: Abstraction has 1362 states and 1520 transitions. [2018-11-07 22:04:02,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-11-07 22:04:02,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1520 transitions. [2018-11-07 22:04:02,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-07 22:04:02,064 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 22:04:02,065 INFO L375 BasicCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 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 22:04:02,065 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 22:04:02,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:04:02,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1090600535, now seen corresponding path program 2 times [2018-11-07 22:04:02,066 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 22:04:02,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:04:02,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 22:04:02,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:04:02,066 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 22:04:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:04:02,325 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 3 proven. 234 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-11-07 22:04:02,325 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:04:02,325 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 22:04:02,325 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-07 22:04:02,325 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-07 22:04:02,325 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:04:02,325 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 22:04:02,335 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-07 22:04:02,336 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-07 22:04:03,052 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2018-11-07 22:04:03,052 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-07 22:04:03,057 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 22:04:03,187 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2018-11-07 22:04:03,187 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 22:04:04,248 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 2 proven. 63 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2018-11-07 22:04:04,269 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 22:04:04,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 12] total 28 [2018-11-07 22:04:04,270 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 22:04:04,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-07 22:04:04,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-07 22:04:04,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=660, Unknown=0, NotChecked=0, Total=756 [2018-11-07 22:04:04,273 INFO L87 Difference]: Start difference. First operand 1362 states and 1520 transitions. Second operand 18 states. [2018-11-07 22:04:10,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 22:04:10,708 INFO L93 Difference]: Finished difference Result 5255 states and 6020 transitions. [2018-11-07 22:04:10,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-11-07 22:04:10,708 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 178 [2018-11-07 22:04:10,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 22:04:10,719 INFO L225 Difference]: With dead ends: 5255 [2018-11-07 22:04:10,719 INFO L226 Difference]: Without dead ends: 3939 [2018-11-07 22:04:10,722 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 392 SyntacticMatches, 3 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1849 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=746, Invalid=6910, Unknown=0, NotChecked=0, Total=7656 [2018-11-07 22:04:10,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3939 states. [2018-11-07 22:04:10,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3939 to 1391. [2018-11-07 22:04:10,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1391 states. [2018-11-07 22:04:10,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 1553 transitions. [2018-11-07 22:04:10,900 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 1553 transitions. Word has length 178 [2018-11-07 22:04:10,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 22:04:10,900 INFO L480 AbstractCegarLoop]: Abstraction has 1391 states and 1553 transitions. [2018-11-07 22:04:10,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-07 22:04:10,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1553 transitions. [2018-11-07 22:04:10,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-07 22:04:10,904 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 22:04:10,904 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 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 22:04:10,905 INFO L423 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 22:04:10,905 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:04:10,905 INFO L82 PathProgramCache]: Analyzing trace with hash 984351714, now seen corresponding path program 3 times [2018-11-07 22:04:10,905 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 22:04:10,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:04:10,906 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-07 22:04:10,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:04:10,906 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 22:04:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:04:11,116 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-11-07 22:04:11,117 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:04:11,117 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 22:04:11,117 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-07 22:04:11,117 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-07 22:04:11,117 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:04:11,117 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 22:04:11,125 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-07 22:04:11,126 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-11-07 22:04:11,186 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-07 22:04:11,187 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-07 22:04:11,191 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 22:04:11,835 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 22:04:11,838 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 22:04:11,838 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:04:11,851 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 22:04:11,851 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-07 22:04:11,856 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:11,858 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 22:04:11,858 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:26, output treesize:3 [2018-11-07 22:04:11,957 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 162 proven. 293 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-11-07 22:04:11,957 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 22:04:12,303 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 22:04:12,315 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 22:04:12,316 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-07 22:04:12,377 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 22:04:12,380 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 7 xjuncts. [2018-11-07 22:04:12,431 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 22:04:12,432 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-07 22:04:12,467 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-07 22:04:12,504 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 22:04:12,504 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:34, output treesize:61 [2018-11-07 22:04:12,825 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 165 proven. 212 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-11-07 22:04:12,845 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 22:04:12,845 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 24, 19] total 47 [2018-11-07 22:04:12,845 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 22:04:12,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-11-07 22:04:12,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-11-07 22:04:12,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=227, Invalid=1935, Unknown=0, NotChecked=0, Total=2162 [2018-11-07 22:04:12,846 INFO L87 Difference]: Start difference. First operand 1391 states and 1553 transitions. Second operand 31 states. [2018-11-07 22:04:17,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 22:04:17,628 INFO L93 Difference]: Finished difference Result 8503 states and 9764 transitions. [2018-11-07 22:04:17,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-11-07 22:04:17,628 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 189 [2018-11-07 22:04:17,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 22:04:17,648 INFO L225 Difference]: With dead ends: 8503 [2018-11-07 22:04:17,648 INFO L226 Difference]: Without dead ends: 7163 [2018-11-07 22:04:17,651 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 775 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=359, Invalid=3181, Unknown=0, NotChecked=0, Total=3540 [2018-11-07 22:04:17,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7163 states. [2018-11-07 22:04:17,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7163 to 2015. [2018-11-07 22:04:17,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2015 states. [2018-11-07 22:04:17,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2015 states to 2015 states and 2251 transitions. [2018-11-07 22:04:17,963 INFO L78 Accepts]: Start accepts. Automaton has 2015 states and 2251 transitions. Word has length 189 [2018-11-07 22:04:17,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 22:04:17,964 INFO L480 AbstractCegarLoop]: Abstraction has 2015 states and 2251 transitions. [2018-11-07 22:04:17,964 INFO L481 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-11-07 22:04:17,964 INFO L276 IsEmpty]: Start isEmpty. Operand 2015 states and 2251 transitions. [2018-11-07 22:04:17,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-07 22:04:17,969 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 22:04:17,969 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 4, 4, 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 22:04:17,969 INFO L423 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 22:04:17,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:04:17,970 INFO L82 PathProgramCache]: Analyzing trace with hash 183346099, now seen corresponding path program 4 times [2018-11-07 22:04:17,970 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 22:04:17,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:04:17,971 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-07 22:04:17,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:04:17,971 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 22:04:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:04:18,212 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-11-07 22:04:18,212 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:04:18,212 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 22:04:18,212 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-07 22:04:18,212 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-07 22:04:18,212 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:04:18,212 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 22:04:18,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 22:04:18,221 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 22:04:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:04:18,284 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 22:04:19,320 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 22:04:19,322 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 22:04:19,322 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:04:19,335 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:19,338 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 22:04:19,338 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:26, output treesize:3 [2018-11-07 22:04:19,484 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 146 proven. 420 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-07 22:04:19,484 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 22:04:19,963 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 22:04:20,001 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 22:04:20,005 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 7 xjuncts. [2018-11-07 22:04:20,065 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 22:04:20,066 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-07 22:04:20,104 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 22:04:20,104 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-07 22:04:20,140 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-07 22:04:20,174 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 22:04:20,174 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:34, output treesize:61 [2018-11-07 22:04:20,819 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 147 proven. 302 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-11-07 22:04:20,840 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 22:04:20,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 30, 23] total 58 [2018-11-07 22:04:20,840 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 22:04:20,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-11-07 22:04:20,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-11-07 22:04:20,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=3011, Unknown=0, NotChecked=0, Total=3306 [2018-11-07 22:04:20,842 INFO L87 Difference]: Start difference. First operand 2015 states and 2251 transitions. Second operand 38 states. [2018-11-07 22:04:28,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 22:04:28,418 INFO L93 Difference]: Finished difference Result 14679 states and 16896 transitions. [2018-11-07 22:04:28,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-11-07 22:04:28,418 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 194 [2018-11-07 22:04:28,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 22:04:28,451 INFO L225 Difference]: With dead ends: 14679 [2018-11-07 22:04:28,451 INFO L226 Difference]: Without dead ends: 12720 [2018-11-07 22:04:28,457 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1196 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=431, Invalid=4539, Unknown=0, NotChecked=0, Total=4970 [2018-11-07 22:04:28,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12720 states. [2018-11-07 22:04:28,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12720 to 2982. [2018-11-07 22:04:28,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2982 states. [2018-11-07 22:04:28,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 2982 states and 3340 transitions. [2018-11-07 22:04:28,930 INFO L78 Accepts]: Start accepts. Automaton has 2982 states and 3340 transitions. Word has length 194 [2018-11-07 22:04:28,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 22:04:28,930 INFO L480 AbstractCegarLoop]: Abstraction has 2982 states and 3340 transitions. [2018-11-07 22:04:28,930 INFO L481 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-11-07 22:04:28,930 INFO L276 IsEmpty]: Start isEmpty. Operand 2982 states and 3340 transitions. [2018-11-07 22:04:28,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-07 22:04:28,936 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 22:04:28,936 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 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] [2018-11-07 22:04:28,936 INFO L423 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 22:04:28,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 22:04:28,937 INFO L82 PathProgramCache]: Analyzing trace with hash -602459194, now seen corresponding path program 5 times [2018-11-07 22:04:28,937 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 22:04:28,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:04:28,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 22:04:28,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 22:04:28,938 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 22:04:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 22:04:29,215 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-11-07 22:04:29,215 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:04:29,215 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 22:04:29,215 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-07 22:04:29,216 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-07 22:04:29,216 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 22:04:29,216 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 22:04:29,224 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-07 22:04:29,224 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-07 22:04:30,579 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2018-11-07 22:04:30,579 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-07 22:04:30,585 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 22:04:30,588 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 22:04:30,588 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-07 22:04:30,630 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:30,630 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-07 22:04:30,648 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,649 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,650 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 22:04:30,650 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-07 22:04:30,656 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:30,656 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-11-07 22:04:30,673 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 22:04:30,675 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 22:04:30,675 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:04:30,677 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:30,684 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:30,685 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:18 [2018-11-07 22:04:30,710 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 22:04:30,713 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,714 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,715 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 22:04:30,715 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:04:30,722 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:30,732 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:30,733 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:31, output treesize:27 [2018-11-07 22:04:30,760 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 22:04:30,766 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,767 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,767 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,768 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,769 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,770 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,771 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 22:04:30,771 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:04:30,787 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:30,800 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:30,800 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:40, output treesize:36 [2018-11-07 22:04:30,835 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 22:04:30,838 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,839 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,839 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,840 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,841 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,842 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,843 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,845 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,846 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,847 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,848 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,849 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,850 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 22:04:30,851 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:04:30,879 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:30,894 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:30,894 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:49, output treesize:45 [2018-11-07 22:04:30,977 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 22:04:30,986 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,986 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,987 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,988 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,988 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,989 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,990 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,991 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,992 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,993 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,994 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,995 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,996 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,997 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:30,998 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,000 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,001 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,002 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,003 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,004 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,005 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 22:04:31,006 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:04:31,053 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:31,069 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:31,070 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:58, output treesize:54 [2018-11-07 22:04:31,119 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 22:04:31,123 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,124 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,125 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,126 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,127 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,128 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,129 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,130 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,131 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,132 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,134 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,135 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,136 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,137 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,138 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,139 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,140 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,141 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,143 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,144 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,145 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,146 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,147 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,148 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,149 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,150 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,152 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,153 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,154 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,155 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,156 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 22:04:31,158 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:04:31,231 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:31,249 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:31,250 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:67, output treesize:63 [2018-11-07 22:04:31,301 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 22:04:31,308 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,309 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,310 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,311 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,312 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,317 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,318 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,319 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,319 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,320 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,321 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,322 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,323 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,324 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,325 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,326 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,327 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,328 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,329 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,330 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,331 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,333 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,334 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,335 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,336 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,337 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,338 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,339 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,341 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,342 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,343 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,344 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,345 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,346 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,348 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,349 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,350 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,351 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,352 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,353 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,354 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,356 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,357 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 22:04:31,358 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:04:31,478 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:31,502 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:31,502 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2018-11-07 22:04:31,564 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 22:04:31,567 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,568 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,569 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,570 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,571 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,572 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,573 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,574 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,575 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,577 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,578 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,579 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,580 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,581 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,582 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,583 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,584 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,585 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,586 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,587 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,588 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,589 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,590 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,591 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,592 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,593 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,595 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,596 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,597 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,598 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,599 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,600 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,602 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,603 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,604 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,605 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,606 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,607 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,608 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,610 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,611 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,612 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,613 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,614 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,615 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,617 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,618 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,619 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,620 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,621 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,623 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,624 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,625 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,626 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,628 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,629 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,630 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 22:04:31,632 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:04:31,817 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:31,843 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:31,843 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:85, output treesize:81 [2018-11-07 22:04:31,905 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 22:04:31,908 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,910 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,911 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,912 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,913 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,914 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,915 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,916 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,917 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,918 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,919 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,920 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,925 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,926 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,926 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,927 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,928 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,929 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,930 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,931 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,932 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,933 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,934 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,935 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,936 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,937 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,938 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,939 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,940 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,941 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,942 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,943 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,944 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,945 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,946 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,947 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,948 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,949 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,950 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,951 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,953 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,954 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,955 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,956 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,957 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,958 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,959 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,960 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,961 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,963 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,964 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,965 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,966 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,967 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,968 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,969 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,970 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,971 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,972 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,974 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,975 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,976 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,977 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,978 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,979 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,981 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,982 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,983 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,984 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,985 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,986 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,987 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:31,989 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 22:04:31,990 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:04:32,254 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:32,282 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:32,282 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:94, output treesize:90 [2018-11-07 22:04:32,355 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 22:04:32,359 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,360 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,361 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,362 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,363 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,364 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,365 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,366 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,367 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,368 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,369 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,370 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,371 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,372 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,373 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,374 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,375 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,376 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,377 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,378 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,379 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,380 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,381 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,382 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,383 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,384 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,385 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,386 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,387 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,388 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,389 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,390 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,391 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,392 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,393 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,394 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,395 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,396 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,397 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,398 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,399 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,400 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,401 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,402 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,403 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,405 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,406 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,407 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,408 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,409 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,410 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,411 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,412 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,413 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,415 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,416 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,417 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,418 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,419 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,420 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,421 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,422 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,423 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,424 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,426 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,427 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,428 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,429 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,430 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,431 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,432 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,433 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,434 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,436 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,437 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,438 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,439 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,440 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,441 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,442 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,443 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,445 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,446 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,447 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,448 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,449 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,450 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,451 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,453 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,454 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,455 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 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 22:04:32,457 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:04:32,807 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:32,837 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:32,837 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:103, output treesize:99 [2018-11-07 22:04:32,915 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 22:04:32,919 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,919 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,920 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,922 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,923 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,924 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,925 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,926 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,927 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,928 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,929 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,930 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,931 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,932 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,933 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,934 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,935 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,937 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,938 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,939 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,940 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,941 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,942 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,943 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,944 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,945 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,946 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,947 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,948 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,949 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,950 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,952 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,953 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,954 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,955 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,956 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,957 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,958 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,959 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,960 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,961 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,962 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,963 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,964 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,965 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,966 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,967 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,969 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,970 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,971 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,972 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,973 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,974 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,975 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,976 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,977 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,978 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,979 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,981 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,982 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,983 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,984 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,985 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,986 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,988 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,989 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,990 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,991 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,992 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,993 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,995 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,996 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,997 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,998 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:32,999 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,000 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,002 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,003 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,004 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,005 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,006 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,007 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,009 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,010 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,011 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,012 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,013 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,015 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,016 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,017 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,018 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,019 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,020 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,021 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,022 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,024 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,025 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,026 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,027 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,028 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,030 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,031 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,032 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,033 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,034 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,035 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,036 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,038 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,039 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,040 INFO L700 Elim1Store]: detected not equals via solver [2018-11-07 22:04:33,040 INFO L303 Elim1Store]: Index analysis took 123 ms [2018-11-07 22:04:33,042 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 22:04:33,045 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:04:33,537 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:33,572 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:33,573 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:112, output treesize:108 [2018-11-07 22:04:33,752 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 22:04:33,756 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 22:04:33,756 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:04:33,787 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:33,831 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 22:04:33,831 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:111 [2018-11-07 22:04:33,953 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 22:04:33,956 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 22:04:33,957 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:04:33,987 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:34,031 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 22:04:34,032 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:111 [2018-11-07 22:04:34,139 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 22:04:34,143 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 22:04:34,144 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:04:34,174 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:34,219 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 22:04:34,219 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:111 [2018-11-07 22:04:34,444 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 22:04:34,446 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 22:04:34,447 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:04:34,483 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:34,531 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 22:04:34,531 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:111 [2018-11-07 22:04:34,830 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 22:04:34,833 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 22:04:34,833 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:04:34,864 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:34,903 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 22:04:34,903 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:111 [2018-11-07 22:04:35,071 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 22:04:35,074 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 22:04:35,075 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:04:35,106 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:35,152 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 22:04:35,152 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:111 [2018-11-07 22:04:35,276 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 22:04:35,281 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 22:04:35,281 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:04:35,313 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:35,356 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 22:04:35,356 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:111 [2018-11-07 22:04:35,544 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 22:04:35,547 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 22:04:35,547 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-07 22:04:35,577 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-07 22:04:35,619 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 22:04:35,620 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:126, output treesize:111 [2018-11-07 22:04:35,905 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2018-11-07 22:04:35,905 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 22:04:46,066 WARN L179 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-11-07 22:04:52,549 WARN L179 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2018-11-07 22:04:57,147 WARN L179 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-11-07 22:05:02,933 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-11-07 22:05:03,822 WARN L179 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-11-07 22:05:06,323 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-11-07 22:05:08,761 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2018-11-07 22:05:09,550 WARN L179 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2018-11-07 22:05:16,035 WARN L179 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 60 Received shutdown request... [2018-11-07 22:05:17,771 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-11-07 22:05:17,972 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 22:05:17,973 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 22:05:17,978 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 22:05:17,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 10:05:17 BoogieIcfgContainer [2018-11-07 22:05:17,979 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 22:05:17,980 INFO L168 Benchmark]: Toolchain (without parser) took 261757.45 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -259.5 MB). Peak memory consumption was 800.6 MB. Max. memory is 7.1 GB. [2018-11-07 22:05:17,980 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 22:05:17,980 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.52 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 22:05:17,980 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.45 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 22:05:17,981 INFO L168 Benchmark]: Boogie Preprocessor took 37.54 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 22:05:17,981 INFO L168 Benchmark]: RCFGBuilder took 681.83 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 748.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -781.1 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2018-11-07 22:05:17,981 INFO L168 Benchmark]: TraceAbstraction took 260667.55 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 312.0 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 511.0 MB). Peak memory consumption was 822.9 MB. Max. memory is 7.1 GB. [2018-11-07 22:05:17,983 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 339.52 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 26.45 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 37.54 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. * RCFGBuilder took 681.83 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 748.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -781.1 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 260667.55 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 312.0 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 511.0 MB). Peak memory consumption was 822.9 MB. 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 200 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 67 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 66 locations, 1 error locations. TIMEOUT Result, 260.6s OverallTime, 18 OverallIterations, 17 TraceHistogramMax, 84.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2720 SDtfs, 15073 SDslu, 29662 SDs, 0 SdLazy, 39053 SolverSat, 2852 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.4s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 4185 GetRequests, 3305 SyntacticMatches, 16 SemanticMatches, 864 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27230 ImplicationChecksByTransitivity, 127.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2982occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.4s AbstIntTime, 8 AbstIntIterations, 1 AbstIntStrong, 0.9358770633160878 AbsIntWeakeningRatio, 0.5365853658536586 AbsIntAvgWeakeningVarsNumRemoved, 5.2926829268292686 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 17 MinimizatonAttempts, 24909 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 118.5s InterpolantComputationTime, 3530 NumberOfCodeBlocks, 3412 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 5195 ConstructedInterpolants, 82 QuantifiedInterpolants, 6236097 SizeOfPredicates, 124 NumberOfNonLiveVariables, 3028 ConjunctsInSsa, 424 ConjunctsInUnsatCore, 45 InterpolantComputations, 4 PerfectInterpolantSequences, 7718/10934 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown