./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex1_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0dbde3ec-b019-4ac7-948b-24550351ef08/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0dbde3ec-b019-4ac7-948b-24550351ef08/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0dbde3ec-b019-4ac7-948b-24550351ef08/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0dbde3ec-b019-4ac7-948b-24550351ef08/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex1_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0dbde3ec-b019-4ac7-948b-24550351ef08/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0dbde3ec-b019-4ac7-948b-24550351ef08/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6b4114bc6a0e883536dbadf27d0e1e27273e6b7c ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/working_dir_0dbde3ec-b019-4ac7-948b-24550351ef08/bin-2019/uautomizer/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: no settings was sufficient --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:22:58,543 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:22:58,544 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:22:58,550 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:22:58,550 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:22:58,551 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:22:58,552 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:22:58,553 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:22:58,554 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:22:58,555 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:22:58,555 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:22:58,555 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:22:58,556 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:22:58,557 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:22:58,557 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:22:58,558 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:22:58,558 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:22:58,559 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:22:58,560 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:22:58,561 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:22:58,562 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:22:58,563 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:22:58,564 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:22:58,564 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:22:58,564 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:22:58,565 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:22:58,566 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:22:58,566 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:22:58,567 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:22:58,568 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:22:58,568 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:22:58,568 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:22:58,568 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:22:58,569 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:22:58,572 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:22:58,572 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:22:58,572 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0dbde3ec-b019-4ac7-948b-24550351ef08/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-22 23:22:58,580 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:22:58,580 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:22:58,581 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 23:22:58,582 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 23:22:58,582 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 23:22:58,582 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-22 23:22:58,582 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-22 23:22:58,582 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-22 23:22:58,582 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-22 23:22:58,582 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-22 23:22:58,582 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-22 23:22:58,583 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:22:58,583 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-22 23:22:58,583 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:22:58,583 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:22:58,583 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-22 23:22:58,583 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-22 23:22:58,583 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-22 23:22:58,584 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:22:58,584 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-22 23:22:58,585 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:22:58,585 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-22 23:22:58,585 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:22:58,585 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:22:58,585 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-22 23:22:58,585 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:22:58,586 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-22 23:22:58,586 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-22 23:22:58,586 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-22 23:22:58,587 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_0dbde3ec-b019-4ac7-948b-24550351ef08/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b4114bc6a0e883536dbadf27d0e1e27273e6b7c [2018-11-22 23:22:58,611 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:22:58,619 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:22:58,622 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:22:58,623 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:22:58,623 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:22:58,624 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0dbde3ec-b019-4ac7-948b-24550351ef08/bin-2019/uautomizer/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex1_true-termination.c.i [2018-11-22 23:22:58,667 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0dbde3ec-b019-4ac7-948b-24550351ef08/bin-2019/uautomizer/data/ddd2522cb/c5e4a8d1507541b096797b49f6fd674e/FLAGeb0e9dc23 [2018-11-22 23:22:59,080 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:22:59,081 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0dbde3ec-b019-4ac7-948b-24550351ef08/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex1_true-termination.c.i [2018-11-22 23:22:59,085 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0dbde3ec-b019-4ac7-948b-24550351ef08/bin-2019/uautomizer/data/ddd2522cb/c5e4a8d1507541b096797b49f6fd674e/FLAGeb0e9dc23 [2018-11-22 23:22:59,096 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0dbde3ec-b019-4ac7-948b-24550351ef08/bin-2019/uautomizer/data/ddd2522cb/c5e4a8d1507541b096797b49f6fd674e [2018-11-22 23:22:59,099 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:22:59,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:22:59,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:22:59,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:22:59,104 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:22:59,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:22:59" (1/1) ... [2018-11-22 23:22:59,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@431278ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:59, skipping insertion in model container [2018-11-22 23:22:59,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:22:59" (1/1) ... [2018-11-22 23:22:59,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:22:59,131 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:22:59,239 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:22:59,245 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:22:59,254 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:22:59,263 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:22:59,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:59 WrapperNode [2018-11-22 23:22:59,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:22:59,264 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:22:59,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:22:59,264 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:22:59,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:59" (1/1) ... [2018-11-22 23:22:59,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:59" (1/1) ... [2018-11-22 23:22:59,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:22:59,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:22:59,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:22:59,286 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:22:59,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:59" (1/1) ... [2018-11-22 23:22:59,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:59" (1/1) ... [2018-11-22 23:22:59,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:59" (1/1) ... [2018-11-22 23:22:59,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:59" (1/1) ... [2018-11-22 23:22:59,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:59" (1/1) ... [2018-11-22 23:22:59,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:59" (1/1) ... [2018-11-22 23:22:59,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:59" (1/1) ... [2018-11-22 23:22:59,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:22:59,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:22:59,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:22:59,299 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:22:59,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0dbde3ec-b019-4ac7-948b-24550351ef08/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:22:59,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-22 23:22:59,371 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2018-11-22 23:22:59,372 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2018-11-22 23:22:59,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 23:22:59,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:22:59,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:22:59,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-22 23:22:59,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 23:22:59,500 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:22:59,500 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-22 23:22:59,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:22:59 BoogieIcfgContainer [2018-11-22 23:22:59,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:22:59,501 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-22 23:22:59,501 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-22 23:22:59,503 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-22 23:22:59,504 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 23:22:59,504 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 11:22:59" (1/3) ... [2018-11-22 23:22:59,504 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38449944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 11:22:59, skipping insertion in model container [2018-11-22 23:22:59,504 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 23:22:59,504 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:59" (2/3) ... [2018-11-22 23:22:59,505 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38449944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 11:22:59, skipping insertion in model container [2018-11-22 23:22:59,505 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 23:22:59,505 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:22:59" (3/3) ... [2018-11-22 23:22:59,506 INFO L375 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex1_true-termination.c.i [2018-11-22 23:22:59,538 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 23:22:59,538 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-22 23:22:59,538 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-22 23:22:59,539 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-22 23:22:59,539 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:22:59,539 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:22:59,539 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-22 23:22:59,539 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:22:59,539 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-22 23:22:59,547 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2018-11-22 23:22:59,563 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2018-11-22 23:22:59,563 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 23:22:59,563 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 23:22:59,568 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-22 23:22:59,568 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:22:59,568 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-22 23:22:59,568 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2018-11-22 23:22:59,569 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2018-11-22 23:22:59,569 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 23:22:59,570 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 23:22:59,570 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-22 23:22:59,570 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:22:59,574 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 8#L-1true havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~nondet8, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem9, main_~pp~0.base, main_~pp~0.offset, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.alloc(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.alloc(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet7;call write~int(main_#t~nondet8, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet8; 18#L28-3true [2018-11-22 23:22:59,575 INFO L796 eck$LassoCheckResult]: Loop: 18#L28-3true call main_#t~mem9 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 4#L28-1true assume !!(main_#t~mem9 > 1);havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~qq~0.base, main_~qq~0.offset, 4);call write~int(main_#t~mem10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~mem10;call write~int(-1, main_~qq~0.base, main_~qq~0.offset, 4);call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 9#L31true call rec(main_~pp~0.base, main_~pp~0.offset, main_#t~mem11);< 3#recENTRYtrue ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 10#L9true assume ~i < 0;call #t~mem1 := read~int(~op.base, ~op.offset, 4);#t~post2 := #t~mem1;call write~int(#t~post2 - 1, ~op.base, ~op.offset, 4);havoc #t~mem1;havoc #t~post2; 15#recFINALtrue assume true; 13#recEXITtrue >#33#return; 6#L31-1true havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~qq~0.base, main_~qq~0.offset, 4);call main_#t~mem13 := read~int(main_~pp~0.base, main_~pp~0.offset, 4);call write~int(main_#t~mem12 + main_#t~mem13, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~mem13;havoc main_#t~mem12; 18#L28-3true [2018-11-22 23:22:59,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:22:59,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2018-11-22 23:22:59,580 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:22:59,580 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:22:59,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:22:59,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:22:59,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:22:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:22:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:22:59,665 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:22:59,665 INFO L82 PathProgramCache]: Analyzing trace with hash 51331199, now seen corresponding path program 1 times [2018-11-22 23:22:59,666 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:22:59,666 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:22:59,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:22:59,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:22:59,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:22:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:22:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:22:59,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:22:59,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1890018113, now seen corresponding path program 1 times [2018-11-22 23:22:59,701 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:22:59,701 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:22:59,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:22:59,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:22:59,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:22:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:22:59,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:22:59,890 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:22:59,890 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-22 23:23:00,212 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 74 [2018-11-22 23:23:00,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-22 23:23:00,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-22 23:23:00,258 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 8 states. [2018-11-22 23:23:00,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:23:00,329 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2018-11-22 23:23:00,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 23:23:00,331 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2018-11-22 23:23:00,333 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2018-11-22 23:23:00,337 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 14 states and 16 transitions. [2018-11-22 23:23:00,338 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2018-11-22 23:23:00,338 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2018-11-22 23:23:00,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 16 transitions. [2018-11-22 23:23:00,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-22 23:23:00,339 INFO L705 BuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2018-11-22 23:23:00,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 16 transitions. [2018-11-22 23:23:00,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-11-22 23:23:00,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-22 23:23:00,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2018-11-22 23:23:00,359 INFO L728 BuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2018-11-22 23:23:00,359 INFO L608 BuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2018-11-22 23:23:00,359 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-22 23:23:00,359 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 16 transitions. [2018-11-22 23:23:00,359 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2018-11-22 23:23:00,360 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 23:23:00,360 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 23:23:00,360 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-22 23:23:00,360 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:23:00,360 INFO L794 eck$LassoCheckResult]: Stem: 57#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 50#L-1 havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~nondet8, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem9, main_~pp~0.base, main_~pp~0.offset, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.alloc(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.alloc(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet7;call write~int(main_#t~nondet8, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet8; 51#L28-3 [2018-11-22 23:23:00,361 INFO L796 eck$LassoCheckResult]: Loop: 51#L28-3 call main_#t~mem9 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 58#L28-1 assume !!(main_#t~mem9 > 1);havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~qq~0.base, main_~qq~0.offset, 4);call write~int(main_#t~mem10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~mem10;call write~int(-1, main_~qq~0.base, main_~qq~0.offset, 4);call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 52#L31 call rec(main_~pp~0.base, main_~pp~0.offset, main_#t~mem11);< 53#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 54#L9 assume !(~i < 0);call #t~malloc3.base, #t~malloc3.offset := #Ultimate.alloc(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call write~int(#t~nondet4, ~ip~0.base, ~ip~0.offset, 4);havoc #t~nondet4; 55#L16 call rec(~ip~0.base, ~ip~0.offset, ~i - 1);< 53#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 54#L9 assume ~i < 0;call #t~mem1 := read~int(~op.base, ~op.offset, 4);#t~post2 := #t~mem1;call write~int(#t~post2 - 1, ~op.base, ~op.offset, 4);havoc #t~mem1;havoc #t~post2; 56#recFINAL assume true; 59#recEXIT >#31#return; 60#L16-1 call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset); 62#recFINAL assume true; 63#recEXIT >#33#return; 61#L31-1 havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~qq~0.base, main_~qq~0.offset, 4);call main_#t~mem13 := read~int(main_~pp~0.base, main_~pp~0.offset, 4);call write~int(main_#t~mem12 + main_#t~mem13, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~mem13;havoc main_#t~mem12; 51#L28-3 [2018-11-22 23:23:00,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:23:00,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 2 times [2018-11-22 23:23:00,361 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:23:00,361 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:23:00,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:23:00,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:23:00,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:23:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:23:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:23:00,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:23:00,375 INFO L82 PathProgramCache]: Analyzing trace with hash 198344305, now seen corresponding path program 1 times [2018-11-22 23:23:00,375 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:23:00,375 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:23:00,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:23:00,375 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-22 23:23:00,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:23:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:00,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-22 23:23:00,616 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:23:00,616 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0dbde3ec-b019-4ac7-948b-24550351ef08/bin-2019/uautomizer/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 [2018-11-22 23:23:00,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:23:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:00,641 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:23:00,698 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 48 [2018-11-22 23:23:00,792 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2018-11-22 23:23:00,793 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 23:23:00,797 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2018-11-22 23:23:00,798 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-22 23:23:00,841 INFO L478 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 31 treesize of output 30 [2018-11-22 23:23:00,841 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 23:23:00,880 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2018-11-22 23:23:00,884 INFO L478 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 [2018-11-22 23:23:00,885 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-22 23:23:00,887 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:23:00,889 INFO L478 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 19 treesize of output 17 [2018-11-22 23:23:00,891 INFO L478 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-11-22 23:23:00,891 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-22 23:23:00,895 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:23:00,900 INFO L478 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 33 treesize of output 31 [2018-11-22 23:23:00,903 INFO L478 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 19 treesize of output 12 [2018-11-22 23:23:00,904 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-22 23:23:00,914 INFO L478 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 22 treesize of output 8 [2018-11-22 23:23:00,914 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-22 23:23:00,919 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:23:00,951 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:23:00,961 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:23:00,961 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 5 variables, input treesize:47, output treesize:9 [2018-11-22 23:23:01,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-22 23:23:01,051 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-22 23:23:01,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 19 [2018-11-22 23:23:01,052 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-22 23:23:01,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-22 23:23:01,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-22 23:23:01,053 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. cyclomatic complexity: 4 Second operand 19 states. [2018-11-22 23:23:01,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:23:01,273 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2018-11-22 23:23:01,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-22 23:23:01,274 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 19 transitions. [2018-11-22 23:23:01,275 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2018-11-22 23:23:01,276 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 19 transitions. [2018-11-22 23:23:01,276 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2018-11-22 23:23:01,276 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2018-11-22 23:23:01,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 19 transitions. [2018-11-22 23:23:01,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-22 23:23:01,276 INFO L705 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2018-11-22 23:23:01,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 19 transitions. [2018-11-22 23:23:01,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-11-22 23:23:01,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-11-22 23:23:01,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2018-11-22 23:23:01,279 INFO L728 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2018-11-22 23:23:01,279 INFO L608 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2018-11-22 23:23:01,279 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-22 23:23:01,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 19 transitions. [2018-11-22 23:23:01,280 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2018-11-22 23:23:01,280 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 23:23:01,280 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 23:23:01,280 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-22 23:23:01,281 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2018-11-22 23:23:01,281 INFO L794 eck$LassoCheckResult]: Stem: 159#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 157#L-1 havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~nondet8, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem9, main_~pp~0.base, main_~pp~0.offset, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.alloc(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.alloc(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet7;call write~int(main_#t~nondet8, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet8; 158#L28-3 [2018-11-22 23:23:01,281 INFO L796 eck$LassoCheckResult]: Loop: 158#L28-3 call main_#t~mem9 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 160#L28-1 assume !!(main_#t~mem9 > 1);havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~qq~0.base, main_~qq~0.offset, 4);call write~int(main_#t~mem10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~mem10;call write~int(-1, main_~qq~0.base, main_~qq~0.offset, 4);call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 152#L31 call rec(main_~pp~0.base, main_~pp~0.offset, main_#t~mem11);< 153#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 154#L9 assume !(~i < 0);call #t~malloc3.base, #t~malloc3.offset := #Ultimate.alloc(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call write~int(#t~nondet4, ~ip~0.base, ~ip~0.offset, 4);havoc #t~nondet4; 155#L16 call rec(~ip~0.base, ~ip~0.offset, ~i - 1);< 153#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 154#L9 assume !(~i < 0);call #t~malloc3.base, #t~malloc3.offset := #Ultimate.alloc(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call write~int(#t~nondet4, ~ip~0.base, ~ip~0.offset, 4);havoc #t~nondet4; 155#L16 call rec(~ip~0.base, ~ip~0.offset, ~i - 1);< 153#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 154#L9 assume ~i < 0;call #t~mem1 := read~int(~op.base, ~op.offset, 4);#t~post2 := #t~mem1;call write~int(#t~post2 - 1, ~op.base, ~op.offset, 4);havoc #t~mem1;havoc #t~post2; 156#recFINAL assume true; 161#recEXIT >#31#return; 162#L16-1 call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset); 163#recFINAL assume true; 164#recEXIT >#31#return; 167#L16-1 call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset); 168#recFINAL assume true; 166#recEXIT >#33#return; 165#L31-1 havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~qq~0.base, main_~qq~0.offset, 4);call main_#t~mem13 := read~int(main_~pp~0.base, main_~pp~0.offset, 4);call write~int(main_#t~mem12 + main_#t~mem13, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~mem13;havoc main_#t~mem12; 158#L28-3 [2018-11-22 23:23:01,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:23:01,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 3 times [2018-11-22 23:23:01,281 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:23:01,281 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:23:01,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:23:01,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:23:01,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:23:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:23:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:23:01,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:23:01,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1148543297, now seen corresponding path program 2 times [2018-11-22 23:23:01,292 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:23:01,293 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:23:01,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:23:01,293 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-22 23:23:01,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:23:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:01,417 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 23:23:01,417 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:23:01,417 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0dbde3ec-b019-4ac7-948b-24550351ef08/bin-2019/uautomizer/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 [2018-11-22 23:23:01,430 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-22 23:23:01,447 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-22 23:23:01,447 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-22 23:23:01,449 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:23:01,484 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 48 [2018-11-22 23:23:01,548 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2018-11-22 23:23:01,549 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 23:23:01,551 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2018-11-22 23:23:01,551 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-22 23:23:01,587 INFO L478 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 31 treesize of output 30 [2018-11-22 23:23:01,587 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 23:23:01,627 INFO L478 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 33 treesize of output 31 [2018-11-22 23:23:01,633 INFO L478 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 22 treesize of output 8 [2018-11-22 23:23:01,633 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-22 23:23:01,639 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:23:01,641 INFO L478 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 19 treesize of output 17 [2018-11-22 23:23:01,642 INFO L478 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-11-22 23:23:01,643 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-22 23:23:01,645 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:23:01,647 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2018-11-22 23:23:01,649 INFO L478 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 [2018-11-22 23:23:01,649 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-22 23:23:01,652 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:23:01,685 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:23:01,694 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:23:01,694 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 5 variables, input treesize:47, output treesize:9 [2018-11-22 23:23:01,727 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 23:23:01,742 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-22 23:23:01,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2018-11-22 23:23:01,742 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-22 23:23:01,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-22 23:23:01,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2018-11-22 23:23:01,743 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. cyclomatic complexity: 4 Second operand 15 states. [2018-11-22 23:23:01,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:23:01,830 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2018-11-22 23:23:01,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-22 23:23:01,831 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 22 transitions. [2018-11-22 23:23:01,831 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2018-11-22 23:23:01,832 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 22 transitions. [2018-11-22 23:23:01,832 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2018-11-22 23:23:01,832 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2018-11-22 23:23:01,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 22 transitions. [2018-11-22 23:23:01,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-22 23:23:01,832 INFO L705 BuchiCegarLoop]: Abstraction has 20 states and 22 transitions. [2018-11-22 23:23:01,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 22 transitions. [2018-11-22 23:23:01,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-11-22 23:23:01,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-11-22 23:23:01,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2018-11-22 23:23:01,834 INFO L728 BuchiCegarLoop]: Abstraction has 20 states and 22 transitions. [2018-11-22 23:23:01,834 INFO L608 BuchiCegarLoop]: Abstraction has 20 states and 22 transitions. [2018-11-22 23:23:01,834 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-22 23:23:01,834 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 22 transitions. [2018-11-22 23:23:01,834 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2018-11-22 23:23:01,834 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 23:23:01,835 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 23:23:01,835 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-22 23:23:01,835 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2018-11-22 23:23:01,835 INFO L794 eck$LassoCheckResult]: Stem: 277#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 270#L-1 havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~nondet8, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem9, main_~pp~0.base, main_~pp~0.offset, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.alloc(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.alloc(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet7;call write~int(main_#t~nondet8, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet8; 271#L28-3 [2018-11-22 23:23:01,835 INFO L796 eck$LassoCheckResult]: Loop: 271#L28-3 call main_#t~mem9 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 278#L28-1 assume !!(main_#t~mem9 > 1);havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~qq~0.base, main_~qq~0.offset, 4);call write~int(main_#t~mem10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~mem10;call write~int(-1, main_~qq~0.base, main_~qq~0.offset, 4);call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 272#L31 call rec(main_~pp~0.base, main_~pp~0.offset, main_#t~mem11);< 273#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 274#L9 assume !(~i < 0);call #t~malloc3.base, #t~malloc3.offset := #Ultimate.alloc(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call write~int(#t~nondet4, ~ip~0.base, ~ip~0.offset, 4);havoc #t~nondet4; 275#L16 call rec(~ip~0.base, ~ip~0.offset, ~i - 1);< 273#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 274#L9 assume !(~i < 0);call #t~malloc3.base, #t~malloc3.offset := #Ultimate.alloc(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call write~int(#t~nondet4, ~ip~0.base, ~ip~0.offset, 4);havoc #t~nondet4; 275#L16 call rec(~ip~0.base, ~ip~0.offset, ~i - 1);< 273#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 274#L9 assume !(~i < 0);call #t~malloc3.base, #t~malloc3.offset := #Ultimate.alloc(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call write~int(#t~nondet4, ~ip~0.base, ~ip~0.offset, 4);havoc #t~nondet4; 275#L16 call rec(~ip~0.base, ~ip~0.offset, ~i - 1);< 273#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;~i := #in~i; 274#L9 assume ~i < 0;call #t~mem1 := read~int(~op.base, ~op.offset, 4);#t~post2 := #t~mem1;call write~int(#t~post2 - 1, ~op.base, ~op.offset, 4);havoc #t~mem1;havoc #t~post2; 276#recFINAL assume true; 279#recEXIT >#31#return; 280#L16-1 call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset); 282#recFINAL assume true; 289#recEXIT >#31#return; 288#L16-1 call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset); 287#recFINAL assume true; 286#recEXIT >#31#return; 284#L16-1 call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset); 285#recFINAL assume true; 283#recEXIT >#33#return; 281#L31-1 havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~qq~0.base, main_~qq~0.offset, 4);call main_#t~mem13 := read~int(main_~pp~0.base, main_~pp~0.offset, 4);call write~int(main_#t~mem12 + main_#t~mem13, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~mem13;havoc main_#t~mem12; 271#L28-3 [2018-11-22 23:23:01,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:23:01,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 4 times [2018-11-22 23:23:01,835 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:23:01,835 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:23:01,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:23:01,836 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-22 23:23:01,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:23:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:23:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:23:01,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:23:01,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1161179343, now seen corresponding path program 3 times [2018-11-22 23:23:01,844 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:23:01,844 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:23:01,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:23:01,845 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-22 23:23:01,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:23:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:23:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:23:01,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:23:01,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1853588851, now seen corresponding path program 1 times [2018-11-22 23:23:01,886 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:23:01,886 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:23:01,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:23:01,887 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-22 23:23:01,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:23:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:23:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:23:02,107 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2018-11-22 23:23:02,313 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2018-11-22 23:23:02,612 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 112 [2018-11-22 23:23:03,260 WARN L180 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 130 [2018-11-22 23:23:03,398 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2018-11-22 23:23:03,506 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:23:03,507 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:23:03,507 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:23:03,507 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:23:03,507 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-22 23:23:03,507 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:23:03,507 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:23:03,507 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:23:03,508 INFO L131 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex1_true-termination.c.i_Iteration4_Lasso [2018-11-22 23:23:03,508 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:23:03,508 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:23:03,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:23:03,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:23:03,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:23:03,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:23:03,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:23:03,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:23:03,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:23:03,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:23:03,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:23:03,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:23:03,748 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2018-11-22 23:23:03,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:23:03,964 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:23:03,968 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-22 23:23:03,970 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:23:03,971 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:23:03,971 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:23:03,971 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:23:03,971 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:23:03,971 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:23:03,972 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:23:03,973 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:23:03,974 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:23:03,975 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:23:03,975 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:23:03,975 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:23:03,975 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:23:03,976 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:23:03,976 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:23:03,976 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:23:03,976 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:23:03,976 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:23:03,977 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:23:03,977 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:23:03,977 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:23:03,977 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:23:03,977 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:23:03,978 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:23:03,978 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:23:03,978 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:23:03,978 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:23:03,979 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:23:03,979 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:23:03,979 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:23:03,979 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:23:03,979 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:23:03,979 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:23:03,980 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:23:03,980 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:23:03,980 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:23:03,980 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:23:03,981 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:23:03,981 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:23:03,981 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:23:03,981 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:23:03,982 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:23:03,983 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 23:23:03,984 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:23:03,985 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:23:03,985 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:23:03,985 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:23:03,985 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:23:03,985 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:23:03,985 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:23:03,986 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:23:03,986 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:23:03,986 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:23:03,987 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:23:03,987 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:23:03,987 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:23:03,987 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:23:03,987 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:23:03,988 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:23:03,988 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:23:03,988 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:23:03,988 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:23:03,993 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:23:03,993 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:23:03,994 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:23:03,994 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:23:03,994 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:23:03,995 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:23:03,995 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 23:23:03,996 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:23:03,996 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:23:04,000 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:23:04,000 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:23:04,000 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:23:04,000 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:23:04,000 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:23:04,001 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:23:04,001 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:23:04,001 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:23:04,001 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:23:04,002 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:23:04,002 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:23:04,002 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:23:04,002 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-22 23:23:04,002 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:23:04,003 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:23:04,003 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:23:04,003 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:23:04,004 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:23:04,004 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:23:04,004 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:23:04,004 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:23:04,004 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-22 23:23:04,004 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:23:04,005 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:23:04,005 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:23:04,005 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:23:04,006 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:23:04,006 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:23:04,006 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:23:04,006 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:23:04,006 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:23:04,008 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:23:04,008 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 23:23:04,017 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:23:04,018 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:23:04,018 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:23:04,018 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:23:04,018 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:23:04,019 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:23:04,020 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:23:04,020 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 23:23:04,026 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:23:04,026 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:23:04,026 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:23:04,027 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:23:04,027 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:23:04,027 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:23:04,031 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:23:04,031 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 23:23:04,043 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:23:04,044 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:23:04,044 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:23:04,044 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:23:04,044 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:23:04,045 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:23:04,045 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:23:04,045 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:23:04,045 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:23:04,045 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:23:04,046 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:23:04,046 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:23:04,046 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:23:04,046 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:23:04,046 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:23:04,047 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:23:04,047 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 23:23:04,054 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:23:04,054 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:23:04,054 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:23:04,054 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-22 23:23:04,054 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:23:04,055 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:23:04,056 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-22 23:23:04,056 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 23:23:04,059 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:23:04,060 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:23:04,060 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:23:04,060 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:23:04,060 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:23:04,060 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:23:04,061 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:23:04,061 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:23:04,061 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:23:04,061 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:23:04,062 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:23:04,062 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:23:04,062 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:23:04,062 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:23:04,062 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:23:04,063 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:23:04,063 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 23:23:04,074 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-22 23:23:04,080 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-22 23:23:04,080 INFO L444 ModelExtractionUtils]: 7 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-22 23:23:04,082 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-22 23:23:04,083 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-22 23:23:04,083 INFO L518 LassoAnalysis]: Proved termination. [2018-11-22 23:23:04,083 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0.base) ULTIMATE.start_main_~qq~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0.base) ULTIMATE.start_main_~qq~0.offset)_1 Supporting invariants [] [2018-11-22 23:23:04,139 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2018-11-22 23:23:04,143 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 23:23:04,152 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:23:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:04,158 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:23:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:04,190 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:23:04,215 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 49 [2018-11-22 23:23:04,219 INFO L478 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 42 treesize of output 41 [2018-11-22 23:23:04,220 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 23:23:04,254 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 35 [2018-11-22 23:23:04,255 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-22 23:23:04,287 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:23:04,288 INFO L478 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 40 treesize of output 35 [2018-11-22 23:23:04,297 INFO L478 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 32 [2018-11-22 23:23:04,299 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-11-22 23:23:04,311 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:23:04,347 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:23:04,348 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:23:04,356 INFO L478 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 57 [2018-11-22 23:23:04,363 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 51 treesize of output 44 [2018-11-22 23:23:04,364 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-22 23:23:04,391 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:23:04,399 INFO L478 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 35 [2018-11-22 23:23:04,400 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-11-22 23:23:04,427 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:23:04,456 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:23:04,463 INFO L478 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 49 [2018-11-22 23:23:04,471 INFO L478 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 35 [2018-11-22 23:23:04,472 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-11-22 23:23:04,498 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:23:04,498 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2018-11-22 23:23:04,499 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-22 23:23:04,513 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:23:04,531 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:23:04,545 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:23:04,545 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 1 variables, input treesize:67, output treesize:74 [2018-11-22 23:23:05,136 WARN L180 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-11-22 23:23:05,542 WARN L180 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-22 23:23:06,656 WARN L180 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-11-22 23:23:19,058 WARN L180 SmtUtils]: Spent 12.02 s on a formula simplification that was a NOOP. DAG size: 21 [2018-11-22 23:23:43,200 WARN L180 SmtUtils]: Spent 12.07 s on a formula simplification that was a NOOP. DAG size: 22 [2018-11-22 23:23:43,204 INFO L478 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 [2018-11-22 23:23:43,204 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 23:23:43,210 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-11-22 23:23:43,210 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:36, output treesize:35 [2018-11-22 23:23:55,335 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-22 23:23:55,336 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 23:23:55,346 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2018-11-22 23:23:55,346 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:70, output treesize:69 [2018-11-22 23:24:00,783 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:00,784 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 20 [2018-11-22 23:24:00,784 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 23:24:00,802 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-1 vars, End of recursive call: 10 dim-0 vars, and 1 xjuncts. [2018-11-22 23:24:00,803 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 11 variables, input treesize:131, output treesize:130 [2018-11-22 23:24:01,191 WARN L180 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2018-11-22 23:24:01,195 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:01,196 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:01,197 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:01,197 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 141 [2018-11-22 23:24:01,198 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 23:24:01,339 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:01,342 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:01,344 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:01,345 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:01,347 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:01,348 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 161 [2018-11-22 23:24:01,348 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 23:24:01,474 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 161 treesize of output 121 [2018-11-22 23:24:01,477 INFO L478 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 [2018-11-22 23:24:01,477 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 23:24:01,511 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 89 [2018-11-22 23:24:01,514 INFO L478 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 [2018-11-22 23:24:01,514 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-22 23:24:01,598 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 68 treesize of output 139 [2018-11-22 23:24:01,598 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-22 23:24:04,600 WARN L180 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 462 DAG size of output: 219 [2018-11-22 23:24:04,615 INFO L478 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 3 case distinctions, treesize of input 85 treesize of output 91 [2018-11-22 23:24:04,623 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:04,624 INFO L478 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 0 case distinctions, treesize of input 85 treesize of output 90 [2018-11-22 23:24:04,625 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-22 23:24:04,683 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:04,692 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 67 treesize of output 86 [2018-11-22 23:24:04,693 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 3 xjuncts. [2018-11-22 23:24:04,735 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:24:04,743 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 82 treesize of output 88 [2018-11-22 23:24:04,749 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:04,761 INFO L478 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 0 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 98 [2018-11-22 23:24:04,762 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 3 xjuncts. [2018-11-22 23:24:04,833 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:04,833 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 62 [2018-11-22 23:24:04,834 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-22 23:24:04,877 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:24:05,999 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 82 [2018-11-22 23:24:06,003 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:06,004 INFO L478 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 0 case distinctions, treesize of input 18 treesize of output 27 [2018-11-22 23:24:06,004 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-22 23:24:06,018 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:24:06,019 INFO L478 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 61 treesize of output 63 [2018-11-22 23:24:06,022 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:06,023 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 19 [2018-11-22 23:24:06,023 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-22 23:24:06,034 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:24:06,712 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 70 [2018-11-22 23:24:06,717 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:06,725 INFO L478 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 0 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 80 [2018-11-22 23:24:06,726 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 3 xjuncts. [2018-11-22 23:24:06,789 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:06,790 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 64 [2018-11-22 23:24:06,790 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-22 23:24:06,826 INFO L267 ElimStorePlain]: Start of recursive call 19: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:24:06,836 INFO L478 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 3 case distinctions, treesize of input 69 treesize of output 73 [2018-11-22 23:24:06,841 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:06,842 INFO L478 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 0 case distinctions, treesize of input 67 treesize of output 72 [2018-11-22 23:24:06,842 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-22 23:24:06,888 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:06,897 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 69 treesize of output 88 [2018-11-22 23:24:06,898 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 3 xjuncts. [2018-11-22 23:24:06,952 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:24:07,596 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 68 [2018-11-22 23:24:07,605 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:07,614 INFO L478 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 0 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 78 [2018-11-22 23:24:07,615 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 3 xjuncts. [2018-11-22 23:24:07,667 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:07,667 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 62 [2018-11-22 23:24:07,668 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-22 23:24:07,699 INFO L267 ElimStorePlain]: Start of recursive call 25: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:24:07,709 INFO L478 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 3 case distinctions, treesize of input 65 treesize of output 71 [2018-11-22 23:24:07,714 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:07,715 INFO L478 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 0 case distinctions, treesize of input 65 treesize of output 70 [2018-11-22 23:24:07,715 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-11-22 23:24:07,751 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:07,760 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 67 treesize of output 86 [2018-11-22 23:24:07,761 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 3 xjuncts. [2018-11-22 23:24:07,804 INFO L267 ElimStorePlain]: Start of recursive call 28: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:24:08,383 INFO L478 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 70 [2018-11-22 23:24:08,393 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:08,401 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 67 treesize of output 85 [2018-11-22 23:24:08,402 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 3 xjuncts. [2018-11-22 23:24:08,462 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:08,462 INFO L478 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 0 case distinctions, treesize of input 58 treesize of output 63 [2018-11-22 23:24:08,463 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-22 23:24:08,504 INFO L267 ElimStorePlain]: Start of recursive call 31: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:24:08,511 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 67 [2018-11-22 23:24:08,515 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:08,515 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 55 [2018-11-22 23:24:08,515 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-11-22 23:24:08,554 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:08,563 INFO L478 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 3 case distinctions, treesize of input 64 treesize of output 77 [2018-11-22 23:24:08,564 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 3 xjuncts. [2018-11-22 23:24:08,607 INFO L267 ElimStorePlain]: Start of recursive call 34: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:24:09,069 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:09,071 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:09,080 INFO L478 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 2 new quantified variables, introduced 4 case distinctions, treesize of input 59 treesize of output 74 [2018-11-22 23:24:09,083 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-11-22 23:24:09,083 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-11-22 23:24:09,137 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:09,140 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:09,141 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:09,156 INFO L478 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 6 case distinctions, treesize of input 59 treesize of output 94 [2018-11-22 23:24:09,158 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 9 xjuncts. [2018-11-22 23:24:09,277 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:09,278 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 60 [2018-11-22 23:24:09,278 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-11-22 23:24:09,353 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:09,355 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 71 [2018-11-22 23:24:09,355 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-11-22 23:24:09,405 INFO L267 ElimStorePlain]: Start of recursive call 37: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:24:09,409 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:09,412 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:09,424 INFO L478 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 2 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 77 [2018-11-22 23:24:09,436 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:09,453 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 8 case distinctions, treesize of input 74 treesize of output 104 [2018-11-22 23:24:09,454 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 5 xjuncts. [2018-11-22 23:24:09,588 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:09,596 INFO L478 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 86 [2018-11-22 23:24:09,597 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 3 xjuncts. [2018-11-22 23:24:09,708 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:09,716 INFO L478 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 3 case distinctions, treesize of input 57 treesize of output 80 [2018-11-22 23:24:09,717 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 3 xjuncts. [2018-11-22 23:24:09,929 INFO L267 ElimStorePlain]: Start of recursive call 42: 4 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-11-22 23:24:10,370 INFO L267 ElimStorePlain]: Start of recursive call 8: 6 dim-1 vars, End of recursive call: and 26 xjuncts. [2018-11-22 23:24:10,750 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 25 xjuncts. [2018-11-22 23:24:11,154 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 25 xjuncts. [2018-11-22 23:24:12,291 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 101 [2018-11-22 23:24:12,293 INFO L478 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 [2018-11-22 23:24:12,294 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-11-22 23:24:12,319 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2018-11-22 23:24:12,321 INFO L478 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 [2018-11-22 23:24:12,321 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-11-22 23:24:12,371 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 99 [2018-11-22 23:24:12,371 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-22 23:24:13,100 WARN L180 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 136 [2018-11-22 23:24:13,108 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 59 [2018-11-22 23:24:13,110 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:13,111 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 53 [2018-11-22 23:24:13,111 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-11-22 23:24:13,140 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:13,148 INFO L478 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 0 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 57 [2018-11-22 23:24:13,149 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 3 xjuncts. [2018-11-22 23:24:13,173 INFO L267 ElimStorePlain]: Start of recursive call 51: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:24:13,183 INFO L478 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 3 case distinctions, treesize of input 56 treesize of output 62 [2018-11-22 23:24:13,186 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:13,187 INFO L478 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 0 case distinctions, treesize of input 56 treesize of output 61 [2018-11-22 23:24:13,188 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-11-22 23:24:13,218 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:13,226 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 46 treesize of output 65 [2018-11-22 23:24:13,227 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 3 xjuncts. [2018-11-22 23:24:13,255 INFO L267 ElimStorePlain]: Start of recursive call 54: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:24:13,573 INFO L478 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 40 treesize of output 42 [2018-11-22 23:24:13,575 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:13,576 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 19 [2018-11-22 23:24:13,576 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-11-22 23:24:13,583 INFO L267 ElimStorePlain]: Start of recursive call 57: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:24:13,585 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 57 [2018-11-22 23:24:13,589 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:13,590 INFO L478 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 0 case distinctions, treesize of input 18 treesize of output 27 [2018-11-22 23:24:13,590 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-11-22 23:24:13,601 INFO L267 ElimStorePlain]: Start of recursive call 59: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:24:13,848 INFO L478 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 3 case distinctions, treesize of input 44 treesize of output 50 [2018-11-22 23:24:13,852 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:13,853 INFO L478 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 0 case distinctions, treesize of input 44 treesize of output 49 [2018-11-22 23:24:13,853 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-11-22 23:24:13,877 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:13,885 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 46 treesize of output 65 [2018-11-22 23:24:13,886 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 3 xjuncts. [2018-11-22 23:24:13,915 INFO L267 ElimStorePlain]: Start of recursive call 61: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:24:13,922 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 47 [2018-11-22 23:24:13,924 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:13,924 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 41 [2018-11-22 23:24:13,925 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-11-22 23:24:13,948 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:13,955 INFO L478 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 0 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 57 [2018-11-22 23:24:13,956 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 3 xjuncts. [2018-11-22 23:24:13,979 INFO L267 ElimStorePlain]: Start of recursive call 64: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:24:14,151 INFO L478 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 3 case distinctions, treesize of input 44 treesize of output 48 [2018-11-22 23:24:14,155 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:14,156 INFO L478 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 0 case distinctions, treesize of input 42 treesize of output 47 [2018-11-22 23:24:14,156 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-11-22 23:24:14,180 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:14,188 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 63 [2018-11-22 23:24:14,189 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 3 xjuncts. [2018-11-22 23:24:14,216 INFO L267 ElimStorePlain]: Start of recursive call 67: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:24:14,224 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 45 [2018-11-22 23:24:14,226 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:14,227 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 39 [2018-11-22 23:24:14,227 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-11-22 23:24:14,249 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:24:14,257 INFO L478 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 0 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 55 [2018-11-22 23:24:14,258 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 3 xjuncts. [2018-11-22 23:24:14,281 INFO L267 ElimStorePlain]: Start of recursive call 70: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:24:14,422 INFO L267 ElimStorePlain]: Start of recursive call 50: 4 dim-1 vars, End of recursive call: and 14 xjuncts. [2018-11-22 23:24:14,555 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 14 xjuncts. [2018-11-22 23:24:14,689 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 14 xjuncts. [2018-11-22 23:24:15,814 INFO L267 ElimStorePlain]: Start of recursive call 1: 20 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: 58 dim-0 vars, and 27 xjuncts. [2018-11-22 23:24:15,814 INFO L202 ElimStorePlain]: Needed 72 recursive calls to eliminate 24 variables, input treesize:319, output treesize:1553 [2018-11-22 23:24:16,254 WARN L180 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 153 [2018-11-22 23:24:16,255 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 23:24:16,257 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 19 loop predicates [2018-11-22 23:24:16,258 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 22 transitions. cyclomatic complexity: 4 Second operand 20 states. [2018-11-22 23:25:07,029 WARN L180 SmtUtils]: Spent 12.08 s on a formula simplification that was a NOOP. DAG size: 27 [2018-11-22 23:25:20,085 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 22 transitions. cyclomatic complexity: 4. Second operand 20 states. Result 56 states and 66 transitions. Complement of second has 29 states. [2018-11-22 23:25:20,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2018-11-22 23:25:20,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-11-22 23:25:20,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 13 transitions. [2018-11-22 23:25:20,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 13 transitions. Stem has 2 letters. Loop has 26 letters. [2018-11-22 23:25:20,087 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-22 23:25:20,087 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2018-11-22 23:25:20,094 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:25:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:25:20,099 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:25:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:25:20,132 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:25:20,154 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 49 [2018-11-22 23:25:20,157 INFO L478 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 42 treesize of output 41 [2018-11-22 23:25:20,157 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 23:25:20,191 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 35 [2018-11-22 23:25:20,192 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-22 23:25:20,226 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:25:20,226 INFO L478 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 41 treesize of output 38 [2018-11-22 23:25:20,228 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2018-11-22 23:25:20,228 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-22 23:25:20,233 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:25:20,259 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:25:20,267 INFO L478 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 50 [2018-11-22 23:25:20,269 INFO L478 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 47 treesize of output 45 [2018-11-22 23:25:20,269 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-22 23:25:20,297 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:25:20,302 INFO L478 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 35 [2018-11-22 23:25:20,303 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-11-22 23:25:20,323 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:25:20,352 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:25:20,364 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:25:20,364 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 1 variables, input treesize:67, output treesize:74 [2018-11-22 23:25:21,423 WARN L180 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2018-11-22 23:25:21,967 WARN L180 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-22 23:25:23,312 WARN L180 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-11-22 23:25:35,822 WARN L180 SmtUtils]: Spent 12.06 s on a formula simplification that was a NOOP. DAG size: 21 [2018-11-22 23:26:00,065 WARN L180 SmtUtils]: Spent 12.17 s on a formula simplification that was a NOOP. DAG size: 22 [2018-11-22 23:26:00,068 INFO L478 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 [2018-11-22 23:26:00,068 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:00,075 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-11-22 23:26:00,075 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:36, output treesize:35 [2018-11-22 23:26:12,188 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-22 23:26:12,188 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:12,198 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2018-11-22 23:26:12,198 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:70, output treesize:69 [2018-11-22 23:26:14,764 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:14,764 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 20 [2018-11-22 23:26:14,765 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:14,800 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-1 vars, End of recursive call: 10 dim-0 vars, and 1 xjuncts. [2018-11-22 23:26:14,800 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 11 variables, input treesize:131, output treesize:130 [2018-11-22 23:26:15,159 WARN L180 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 110 [2018-11-22 23:26:15,165 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:15,169 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:15,173 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:15,174 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:15,176 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:15,176 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 161 [2018-11-22 23:26:15,177 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:15,283 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:15,284 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:15,285 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:15,286 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 141 [2018-11-22 23:26:15,286 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:15,405 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 161 treesize of output 121 [2018-11-22 23:26:15,408 INFO L478 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 [2018-11-22 23:26:15,409 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:15,452 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 89 [2018-11-22 23:26:15,454 INFO L478 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 [2018-11-22 23:26:15,454 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:15,525 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 68 treesize of output 139 [2018-11-22 23:26:15,525 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-22 23:26:18,737 WARN L180 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 462 DAG size of output: 219 [2018-11-22 23:26:18,740 INFO L478 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 97 treesize of output 99 [2018-11-22 23:26:18,743 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:18,744 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 19 [2018-11-22 23:26:18,744 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:18,765 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:26:18,768 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 102 [2018-11-22 23:26:18,772 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:18,773 INFO L478 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 0 case distinctions, treesize of input 18 treesize of output 27 [2018-11-22 23:26:18,773 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:18,791 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:26:19,822 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 70 [2018-11-22 23:26:19,827 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:19,835 INFO L478 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 0 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 80 [2018-11-22 23:26:19,836 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 3 xjuncts. [2018-11-22 23:26:19,892 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:19,893 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 64 [2018-11-22 23:26:19,893 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:19,928 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:26:19,939 INFO L478 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 3 case distinctions, treesize of input 69 treesize of output 73 [2018-11-22 23:26:19,946 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:19,955 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 69 treesize of output 88 [2018-11-22 23:26:19,956 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 3 xjuncts. [2018-11-22 23:26:20,009 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:20,009 INFO L478 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 0 case distinctions, treesize of input 67 treesize of output 72 [2018-11-22 23:26:20,010 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:20,053 INFO L267 ElimStorePlain]: Start of recursive call 16: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:26:20,762 INFO L478 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 70 [2018-11-22 23:26:20,770 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:20,779 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 67 treesize of output 85 [2018-11-22 23:26:20,780 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 3 xjuncts. [2018-11-22 23:26:20,833 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:20,834 INFO L478 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 0 case distinctions, treesize of input 58 treesize of output 63 [2018-11-22 23:26:20,834 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:20,875 INFO L267 ElimStorePlain]: Start of recursive call 19: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:26:20,883 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 67 [2018-11-22 23:26:20,886 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:20,886 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 55 [2018-11-22 23:26:20,887 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:20,920 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:20,928 INFO L478 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 3 case distinctions, treesize of input 64 treesize of output 77 [2018-11-22 23:26:20,929 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 3 xjuncts. [2018-11-22 23:26:20,967 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:26:21,596 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:21,600 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:21,612 INFO L478 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 2 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 77 [2018-11-22 23:26:21,624 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:21,641 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 8 case distinctions, treesize of input 74 treesize of output 104 [2018-11-22 23:26:21,643 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 5 xjuncts. [2018-11-22 23:26:21,847 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:21,855 INFO L478 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 3 case distinctions, treesize of input 57 treesize of output 80 [2018-11-22 23:26:21,856 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 3 xjuncts. [2018-11-22 23:26:21,965 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:21,973 INFO L478 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 86 [2018-11-22 23:26:21,975 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 3 xjuncts. [2018-11-22 23:26:22,091 INFO L267 ElimStorePlain]: Start of recursive call 25: 4 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-11-22 23:26:22,097 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:22,103 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:22,114 INFO L478 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 2 new quantified variables, introduced 4 case distinctions, treesize of input 59 treesize of output 74 [2018-11-22 23:26:22,119 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:22,120 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 63 [2018-11-22 23:26:22,120 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:22,181 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:22,185 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:22,186 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:22,202 INFO L478 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 6 case distinctions, treesize of input 59 treesize of output 94 [2018-11-22 23:26:22,204 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 9 xjuncts. [2018-11-22 23:26:22,345 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:22,346 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 71 [2018-11-22 23:26:22,346 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:22,446 INFO L267 ElimStorePlain]: Start of recursive call 29: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:26:23,159 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 68 [2018-11-22 23:26:23,162 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:23,162 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 62 [2018-11-22 23:26:23,163 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:23,197 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:23,205 INFO L478 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 0 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 78 [2018-11-22 23:26:23,205 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 3 xjuncts. [2018-11-22 23:26:23,241 INFO L267 ElimStorePlain]: Start of recursive call 33: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:26:23,252 INFO L478 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 3 case distinctions, treesize of input 65 treesize of output 71 [2018-11-22 23:26:23,261 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:23,270 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 67 treesize of output 86 [2018-11-22 23:26:23,271 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 3 xjuncts. [2018-11-22 23:26:23,321 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:23,322 INFO L478 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 0 case distinctions, treesize of input 65 treesize of output 70 [2018-11-22 23:26:23,322 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:23,362 INFO L267 ElimStorePlain]: Start of recursive call 36: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:26:23,924 INFO L478 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 3 case distinctions, treesize of input 65 treesize of output 71 [2018-11-22 23:26:23,928 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:23,928 INFO L478 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 0 case distinctions, treesize of input 65 treesize of output 70 [2018-11-22 23:26:23,929 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:23,964 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:23,973 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 67 treesize of output 86 [2018-11-22 23:26:23,974 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 3 xjuncts. [2018-11-22 23:26:24,017 INFO L267 ElimStorePlain]: Start of recursive call 39: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:26:24,025 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 68 [2018-11-22 23:26:24,028 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:24,028 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 62 [2018-11-22 23:26:24,029 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:24,065 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:24,076 INFO L478 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 0 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 78 [2018-11-22 23:26:24,077 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 3 xjuncts. [2018-11-22 23:26:24,122 INFO L267 ElimStorePlain]: Start of recursive call 42: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:26:24,552 INFO L267 ElimStorePlain]: Start of recursive call 8: 6 dim-1 vars, End of recursive call: and 25 xjuncts. [2018-11-22 23:26:24,926 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 25 xjuncts. [2018-11-22 23:26:25,314 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 25 xjuncts. [2018-11-22 23:26:26,368 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 105 [2018-11-22 23:26:26,371 INFO L478 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 [2018-11-22 23:26:26,371 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:26,399 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2018-11-22 23:26:26,402 INFO L478 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 [2018-11-22 23:26:26,402 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:26,447 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 99 [2018-11-22 23:26:26,447 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-22 23:26:27,144 WARN L180 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 136 [2018-11-22 23:26:27,156 INFO L478 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 3 case distinctions, treesize of input 56 treesize of output 60 [2018-11-22 23:26:27,164 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:27,172 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 56 treesize of output 75 [2018-11-22 23:26:27,173 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 3 xjuncts. [2018-11-22 23:26:27,217 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:27,217 INFO L478 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 0 case distinctions, treesize of input 42 treesize of output 47 [2018-11-22 23:26:27,218 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:27,243 INFO L267 ElimStorePlain]: Start of recursive call 50: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:26:27,251 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 57 [2018-11-22 23:26:27,253 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:27,253 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 51 [2018-11-22 23:26:27,254 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:27,284 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:27,292 INFO L478 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 0 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 55 [2018-11-22 23:26:27,293 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 3 xjuncts. [2018-11-22 23:26:27,318 INFO L267 ElimStorePlain]: Start of recursive call 53: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:26:27,626 INFO L478 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 40 treesize of output 42 [2018-11-22 23:26:27,629 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:27,629 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 19 [2018-11-22 23:26:27,629 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:27,638 INFO L267 ElimStorePlain]: Start of recursive call 56: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:26:27,640 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 57 [2018-11-22 23:26:27,645 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:27,645 INFO L478 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 0 case distinctions, treesize of input 18 treesize of output 27 [2018-11-22 23:26:27,646 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:27,657 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:26:27,849 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 47 [2018-11-22 23:26:27,854 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:27,862 INFO L478 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 0 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 57 [2018-11-22 23:26:27,863 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 3 xjuncts. [2018-11-22 23:26:27,899 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:27,899 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 41 [2018-11-22 23:26:27,899 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:27,928 INFO L267 ElimStorePlain]: Start of recursive call 60: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:26:27,938 INFO L478 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 3 case distinctions, treesize of input 44 treesize of output 50 [2018-11-22 23:26:27,942 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:27,943 INFO L478 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 0 case distinctions, treesize of input 44 treesize of output 49 [2018-11-22 23:26:27,943 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:27,968 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:27,976 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 46 treesize of output 65 [2018-11-22 23:26:27,977 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 3 xjuncts. [2018-11-22 23:26:28,006 INFO L267 ElimStorePlain]: Start of recursive call 63: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:26:28,183 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 47 [2018-11-22 23:26:28,185 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:28,186 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 41 [2018-11-22 23:26:28,186 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:28,211 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:28,220 INFO L478 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 0 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 57 [2018-11-22 23:26:28,220 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 3 xjuncts. [2018-11-22 23:26:28,246 INFO L267 ElimStorePlain]: Start of recursive call 66: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:26:28,256 INFO L478 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 3 case distinctions, treesize of input 44 treesize of output 50 [2018-11-22 23:26:28,264 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:28,272 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 46 treesize of output 65 [2018-11-22 23:26:28,272 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 3 xjuncts. [2018-11-22 23:26:28,307 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:26:28,308 INFO L478 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 0 case distinctions, treesize of input 44 treesize of output 49 [2018-11-22 23:26:28,308 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-11-22 23:26:28,333 INFO L267 ElimStorePlain]: Start of recursive call 69: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:26:28,480 INFO L267 ElimStorePlain]: Start of recursive call 49: 4 dim-1 vars, End of recursive call: and 14 xjuncts. [2018-11-22 23:26:28,602 INFO L267 ElimStorePlain]: Start of recursive call 47: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 14 xjuncts. [2018-11-22 23:26:28,739 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 14 xjuncts. [2018-11-22 23:26:29,848 INFO L267 ElimStorePlain]: Start of recursive call 1: 20 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: 60 dim-0 vars, and 28 xjuncts. [2018-11-22 23:26:29,848 INFO L202 ElimStorePlain]: Needed 71 recursive calls to eliminate 24 variables, input treesize:319, output treesize:1579 [2018-11-22 23:26:30,269 WARN L180 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 154 [2018-11-22 23:26:30,270 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 23:26:30,270 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 19 loop predicates [2018-11-22 23:26:30,270 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 22 transitions. cyclomatic complexity: 4 Second operand 20 states. [2018-11-22 23:27:10,453 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 22 transitions. cyclomatic complexity: 4. Second operand 20 states. Result 57 states and 67 transitions. Complement of second has 27 states. [2018-11-22 23:27:10,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2018-11-22 23:27:10,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-11-22 23:27:10,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 13 transitions. [2018-11-22 23:27:10,455 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 13 transitions. Stem has 2 letters. Loop has 26 letters. [2018-11-22 23:27:10,455 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-22 23:27:10,455 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2018-11-22 23:27:10,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:27:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:27:10,467 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:27:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:27:10,492 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:27:10,512 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 49 [2018-11-22 23:27:10,515 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 35 [2018-11-22 23:27:10,516 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 23:27:10,548 INFO L478 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 42 treesize of output 41 [2018-11-22 23:27:10,548 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-22 23:27:10,580 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:10,581 INFO L478 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 40 treesize of output 35 [2018-11-22 23:27:10,588 INFO L478 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 32 [2018-11-22 23:27:10,588 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-11-22 23:27:10,599 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:27:10,631 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:10,632 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:10,639 INFO L478 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 57 [2018-11-22 23:27:10,643 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 44 [2018-11-22 23:27:10,643 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-22 23:27:10,664 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:10,668 INFO L478 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 35 [2018-11-22 23:27:10,669 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-11-22 23:27:10,685 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:27:10,717 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:10,724 INFO L478 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 49 [2018-11-22 23:27:10,726 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2018-11-22 23:27:10,727 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-22 23:27:10,745 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:10,749 INFO L478 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 35 [2018-11-22 23:27:10,750 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-11-22 23:27:10,765 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:27:10,785 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:27:10,797 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:27:10,797 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 1 variables, input treesize:67, output treesize:74 [2018-11-22 23:27:11,352 WARN L180 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-22 23:27:23,404 WARN L180 SmtUtils]: Spent 12.02 s on a formula simplification that was a NOOP. DAG size: 21 [2018-11-22 23:27:23,724 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2018-11-22 23:27:23,728 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:23,729 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:23,730 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:23,732 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:23,733 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:23,734 INFO L478 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 161 treesize of output 180 [2018-11-22 23:27:23,800 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:23,802 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:23,803 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:23,804 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:23,806 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:23,808 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:23,809 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:23,809 INFO L478 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 26 treesize of output 37 [2018-11-22 23:27:23,810 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 23:27:23,847 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:27:23,967 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:23,968 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:23,969 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:23,970 INFO L478 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 144 treesize of output 157 [2018-11-22 23:27:24,024 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:24,025 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:24,026 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:24,027 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:24,029 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:24,029 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2018-11-22 23:27:24,029 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 23:27:24,051 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:27:24,190 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 162 treesize of output 122 [2018-11-22 23:27:24,192 INFO L478 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 [2018-11-22 23:27:24,193 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-22 23:27:24,227 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 89 [2018-11-22 23:27:24,229 INFO L478 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 [2018-11-22 23:27:24,230 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-22 23:27:24,259 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 99 [2018-11-22 23:27:24,288 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2018-11-22 23:27:24,292 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:24,292 INFO L478 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 0 case distinctions, treesize of input 18 treesize of output 27 [2018-11-22 23:27:24,293 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-22 23:27:24,296 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:27:24,298 INFO L478 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 17 treesize of output 19 [2018-11-22 23:27:24,300 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:24,300 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 19 [2018-11-22 23:27:24,301 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-22 23:27:24,305 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:27:24,327 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:27:24,357 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:27:24,393 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:27:24,510 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 98 [2018-11-22 23:27:24,512 INFO L478 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 [2018-11-22 23:27:24,512 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-22 23:27:24,539 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2018-11-22 23:27:24,541 INFO L478 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 [2018-11-22 23:27:24,541 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-22 23:27:24,559 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 47 treesize of output 66 [2018-11-22 23:27:24,578 INFO L478 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 17 treesize of output 19 [2018-11-22 23:27:24,581 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:24,581 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2018-11-22 23:27:24,581 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-22 23:27:24,585 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:27:24,588 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2018-11-22 23:27:24,591 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:27:24,592 INFO L478 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 0 case distinctions, treesize of input 18 treesize of output 27 [2018-11-22 23:27:24,592 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-22 23:27:24,595 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:27:24,609 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:27:24,623 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:27:24,647 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:27:24,749 INFO L267 ElimStorePlain]: Start of recursive call 1: 20 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:27:24,750 INFO L202 ElimStorePlain]: Needed 23 recursive calls to eliminate 24 variables, input treesize:311, output treesize:51 [2018-11-22 23:27:24,776 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-22 23:27:24,777 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 14 loop predicates [2018-11-22 23:27:24,777 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 22 transitions. cyclomatic complexity: 4 Second operand 15 states. [2018-11-22 23:27:37,372 WARN L180 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-11-22 23:28:02,099 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 22 transitions. cyclomatic complexity: 4. Second operand 15 states. Result 44 states and 56 transitions. Complement of second has 21 states. [2018-11-22 23:28:02,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2018-11-22 23:28:02,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-22 23:28:02,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 23 transitions. [2018-11-22 23:28:02,133 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 2 letters. Loop has 26 letters. [2018-11-22 23:28:02,134 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-22 23:28:02,134 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2018-11-22 23:28:02,148 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:28:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:28:02,153 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:28:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:28:02,179 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:28:02,201 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 49 [2018-11-22 23:28:02,203 INFO L478 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 42 treesize of output 41 [2018-11-22 23:28:02,203 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 23:28:02,236 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 35 [2018-11-22 23:28:02,237 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-22 23:28:02,269 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:02,269 INFO L478 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 40 treesize of output 35 [2018-11-22 23:28:02,276 INFO L478 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 32 [2018-11-22 23:28:02,277 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-11-22 23:28:02,287 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:28:02,321 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:02,321 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:02,329 INFO L478 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 57 [2018-11-22 23:28:02,333 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 51 treesize of output 44 [2018-11-22 23:28:02,333 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-22 23:28:02,368 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:02,378 INFO L478 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 35 [2018-11-22 23:28:02,379 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-11-22 23:28:02,402 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:28:02,441 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:02,450 INFO L478 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 49 [2018-11-22 23:28:02,459 INFO L478 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 35 [2018-11-22 23:28:02,459 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-11-22 23:28:02,489 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:02,489 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2018-11-22 23:28:02,490 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-22 23:28:02,502 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:28:02,517 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:28:02,529 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:28:02,529 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 1 variables, input treesize:67, output treesize:74 [2018-11-22 23:28:03,089 WARN L180 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-22 23:28:15,138 WARN L180 SmtUtils]: Spent 12.02 s on a formula simplification that was a NOOP. DAG size: 21 [2018-11-22 23:28:15,644 WARN L180 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2018-11-22 23:28:15,648 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:15,649 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:15,650 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:15,651 INFO L478 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 144 treesize of output 157 [2018-11-22 23:28:15,707 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:15,708 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:15,710 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:15,711 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:15,712 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:15,713 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2018-11-22 23:28:15,713 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 23:28:15,738 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:28:15,909 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:15,911 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:15,915 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:15,918 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:15,920 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:15,920 INFO L478 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 161 treesize of output 180 [2018-11-22 23:28:15,998 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:16,001 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:16,003 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:16,004 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:16,005 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:16,007 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:16,008 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:16,008 INFO L478 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 26 treesize of output 37 [2018-11-22 23:28:16,009 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 23:28:16,035 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:28:16,165 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 162 treesize of output 122 [2018-11-22 23:28:16,168 INFO L478 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 [2018-11-22 23:28:16,168 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-22 23:28:16,206 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 89 [2018-11-22 23:28:16,208 INFO L478 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 [2018-11-22 23:28:16,208 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-22 23:28:16,238 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 99 [2018-11-22 23:28:16,268 INFO L478 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 17 treesize of output 19 [2018-11-22 23:28:16,270 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:16,271 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 19 [2018-11-22 23:28:16,271 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-22 23:28:16,275 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:28:16,278 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2018-11-22 23:28:16,281 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:16,281 INFO L478 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 0 case distinctions, treesize of input 18 treesize of output 27 [2018-11-22 23:28:16,282 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-22 23:28:16,285 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:28:16,306 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:28:16,329 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:28:16,364 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:28:16,502 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 98 [2018-11-22 23:28:16,505 INFO L478 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 [2018-11-22 23:28:16,505 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-22 23:28:16,529 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2018-11-22 23:28:16,531 INFO L478 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 [2018-11-22 23:28:16,531 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-22 23:28:16,550 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 47 treesize of output 66 [2018-11-22 23:28:16,572 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2018-11-22 23:28:16,574 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:16,576 INFO L478 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 0 case distinctions, treesize of input 18 treesize of output 27 [2018-11-22 23:28:16,576 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-22 23:28:16,579 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:28:16,580 INFO L478 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 17 treesize of output 19 [2018-11-22 23:28:16,582 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:16,583 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2018-11-22 23:28:16,583 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-22 23:28:16,587 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:28:16,601 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:28:16,615 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:28:16,640 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:28:16,742 INFO L267 ElimStorePlain]: Start of recursive call 1: 20 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:28:16,742 INFO L202 ElimStorePlain]: Needed 23 recursive calls to eliminate 24 variables, input treesize:311, output treesize:51 [2018-11-22 23:28:16,769 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-22 23:28:16,770 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 14 loop predicates [2018-11-22 23:28:16,770 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 22 transitions. cyclomatic complexity: 4 Second operand 15 states. [2018-11-22 23:28:29,414 WARN L180 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-11-22 23:28:42,246 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 22 transitions. cyclomatic complexity: 4. Second operand 15 states. Result 45 states and 57 transitions. Complement of second has 23 states. [2018-11-22 23:28:42,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2018-11-22 23:28:42,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-22 23:28:42,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 23 transitions. [2018-11-22 23:28:42,248 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 23 transitions. Stem has 2 letters. Loop has 26 letters. [2018-11-22 23:28:42,248 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-22 23:28:42,248 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2018-11-22 23:28:42,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:28:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:28:42,260 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:28:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:28:42,288 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:28:42,308 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 49 [2018-11-22 23:28:42,311 INFO L478 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 42 treesize of output 41 [2018-11-22 23:28:42,311 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 23:28:42,344 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 35 [2018-11-22 23:28:42,345 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-22 23:28:42,383 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:42,383 INFO L478 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 41 treesize of output 38 [2018-11-22 23:28:42,385 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2018-11-22 23:28:42,386 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-22 23:28:42,391 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:28:42,417 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:42,418 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:42,425 INFO L478 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 57 [2018-11-22 23:28:42,429 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 51 treesize of output 44 [2018-11-22 23:28:42,429 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-22 23:28:42,461 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:28:42,465 INFO L478 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 35 [2018-11-22 23:28:42,466 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-11-22 23:28:42,482 INFO L267 ElimStorePlain]: Start of recursive call 7: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:28:42,511 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:28:42,523 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:28:42,524 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 1 variables, input treesize:67, output treesize:74 [2018-11-22 23:28:43,679 WARN L180 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2018-11-22 23:28:44,163 WARN L180 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-22 23:28:45,503 WARN L180 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-11-22 23:28:57,999 WARN L180 SmtUtils]: Spent 12.06 s on a formula simplification that was a NOOP. DAG size: 21 [2018-11-22 23:29:22,279 WARN L180 SmtUtils]: Spent 12.06 s on a formula simplification that was a NOOP. DAG size: 22 [2018-11-22 23:29:22,282 INFO L478 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 [2018-11-22 23:29:22,282 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:22,288 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-11-22 23:29:22,289 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:36, output treesize:35 [2018-11-22 23:29:34,451 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-22 23:29:34,451 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:34,461 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2018-11-22 23:29:34,461 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:70, output treesize:69 [2018-11-22 23:29:37,080 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:37,081 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 20 [2018-11-22 23:29:37,081 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:37,099 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-1 vars, End of recursive call: 10 dim-0 vars, and 1 xjuncts. [2018-11-22 23:29:37,099 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 11 variables, input treesize:131, output treesize:130 [2018-11-22 23:29:37,406 WARN L180 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 110 [2018-11-22 23:29:37,410 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:37,411 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:37,412 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:37,412 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 141 [2018-11-22 23:29:37,413 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:37,531 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:37,533 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:37,535 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:37,537 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:37,538 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:37,539 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 161 [2018-11-22 23:29:37,539 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:37,675 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 161 treesize of output 121 [2018-11-22 23:29:37,678 INFO L478 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 [2018-11-22 23:29:37,678 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:37,716 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 89 [2018-11-22 23:29:37,718 INFO L478 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 [2018-11-22 23:29:37,718 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:37,783 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 68 treesize of output 139 [2018-11-22 23:29:37,783 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-22 23:29:40,722 WARN L180 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 462 DAG size of output: 219 [2018-11-22 23:29:40,725 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:40,727 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:40,738 INFO L478 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 2 new quantified variables, introduced 4 case distinctions, treesize of input 71 treesize of output 86 [2018-11-22 23:29:40,742 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:40,743 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 93 [2018-11-22 23:29:40,744 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:40,819 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:40,820 INFO L478 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 60 [2018-11-22 23:29:40,821 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:40,873 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:40,877 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:40,878 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:40,894 INFO L478 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 6 case distinctions, treesize of input 59 treesize of output 94 [2018-11-22 23:29:40,896 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 9 xjuncts. [2018-11-22 23:29:41,016 INFO L267 ElimStorePlain]: Start of recursive call 9: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:29:41,020 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:41,025 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:41,037 INFO L478 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 2 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 89 [2018-11-22 23:29:41,039 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-11-22 23:29:41,039 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:41,107 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:41,111 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:41,114 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:41,132 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 8 case distinctions, treesize of input 62 treesize of output 102 [2018-11-22 23:29:41,133 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 5 xjuncts. [2018-11-22 23:29:41,243 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:41,253 INFO L478 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 86 [2018-11-22 23:29:41,254 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 3 xjuncts. [2018-11-22 23:29:41,362 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:41,372 INFO L478 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 3 case distinctions, treesize of input 57 treesize of output 80 [2018-11-22 23:29:41,373 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 3 xjuncts. [2018-11-22 23:29:41,485 INFO L267 ElimStorePlain]: Start of recursive call 13: 4 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-11-22 23:29:42,854 INFO L478 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 61 treesize of output 63 [2018-11-22 23:29:42,856 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:42,856 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2018-11-22 23:29:42,857 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:42,867 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:29:42,870 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 82 [2018-11-22 23:29:42,873 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:42,874 INFO L478 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 0 case distinctions, treesize of input 18 treesize of output 27 [2018-11-22 23:29:42,874 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:42,888 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:29:43,784 INFO L478 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 3 case distinctions, treesize of input 65 treesize of output 71 [2018-11-22 23:29:43,789 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:43,801 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 67 treesize of output 86 [2018-11-22 23:29:43,802 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 3 xjuncts. [2018-11-22 23:29:43,854 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:43,855 INFO L478 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 0 case distinctions, treesize of input 65 treesize of output 70 [2018-11-22 23:29:43,855 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:43,895 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:29:43,903 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 68 [2018-11-22 23:29:43,908 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:43,916 INFO L478 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 0 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 78 [2018-11-22 23:29:43,916 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 3 xjuncts. [2018-11-22 23:29:43,969 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:43,970 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 62 [2018-11-22 23:29:43,970 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:44,002 INFO L267 ElimStorePlain]: Start of recursive call 25: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:29:44,809 INFO L478 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 70 [2018-11-22 23:29:44,815 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:44,825 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 67 treesize of output 85 [2018-11-22 23:29:44,826 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 3 xjuncts. [2018-11-22 23:29:44,879 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:44,881 INFO L478 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 0 case distinctions, treesize of input 58 treesize of output 63 [2018-11-22 23:29:44,881 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:44,922 INFO L267 ElimStorePlain]: Start of recursive call 28: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:29:44,930 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 67 [2018-11-22 23:29:44,935 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:44,944 INFO L478 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 3 case distinctions, treesize of input 64 treesize of output 77 [2018-11-22 23:29:44,945 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 3 xjuncts. [2018-11-22 23:29:45,001 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:45,001 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 55 [2018-11-22 23:29:45,002 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:45,033 INFO L267 ElimStorePlain]: Start of recursive call 31: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:29:45,755 INFO L478 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 3 case distinctions, treesize of input 69 treesize of output 73 [2018-11-22 23:29:45,758 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:45,759 INFO L478 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 0 case distinctions, treesize of input 67 treesize of output 72 [2018-11-22 23:29:45,759 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:45,797 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:45,807 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 69 treesize of output 88 [2018-11-22 23:29:45,808 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 3 xjuncts. [2018-11-22 23:29:45,855 INFO L267 ElimStorePlain]: Start of recursive call 34: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:29:45,864 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 70 [2018-11-22 23:29:45,868 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:45,877 INFO L478 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 0 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 80 [2018-11-22 23:29:45,877 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 3 xjuncts. [2018-11-22 23:29:45,937 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:45,937 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 64 [2018-11-22 23:29:45,937 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:45,972 INFO L267 ElimStorePlain]: Start of recursive call 37: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:29:46,527 INFO L478 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 3 case distinctions, treesize of input 65 treesize of output 71 [2018-11-22 23:29:46,530 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:46,532 INFO L478 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 0 case distinctions, treesize of input 65 treesize of output 70 [2018-11-22 23:29:46,532 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:46,566 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:46,576 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 67 treesize of output 86 [2018-11-22 23:29:46,577 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 3 xjuncts. [2018-11-22 23:29:46,620 INFO L267 ElimStorePlain]: Start of recursive call 40: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:29:46,628 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 68 [2018-11-22 23:29:46,631 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:46,631 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 62 [2018-11-22 23:29:46,631 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:46,664 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:46,672 INFO L478 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 0 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 78 [2018-11-22 23:29:46,673 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 3 xjuncts. [2018-11-22 23:29:46,708 INFO L267 ElimStorePlain]: Start of recursive call 43: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:29:47,143 INFO L267 ElimStorePlain]: Start of recursive call 8: 6 dim-1 vars, End of recursive call: and 25 xjuncts. [2018-11-22 23:29:47,505 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 25 xjuncts. [2018-11-22 23:29:47,881 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 25 xjuncts. [2018-11-22 23:29:48,921 INFO L478 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 105 [2018-11-22 23:29:48,924 INFO L478 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 [2018-11-22 23:29:48,924 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:48,951 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2018-11-22 23:29:48,953 INFO L478 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 [2018-11-22 23:29:48,953 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:48,997 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 47 treesize of output 99 [2018-11-22 23:29:48,997 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-22 23:29:49,748 WARN L180 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 136 [2018-11-22 23:29:49,750 INFO L478 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 64 treesize of output 66 [2018-11-22 23:29:49,752 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:49,753 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 19 [2018-11-22 23:29:49,753 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:49,765 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:29:49,768 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 69 [2018-11-22 23:29:49,772 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:49,772 INFO L478 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 0 case distinctions, treesize of input 18 treesize of output 27 [2018-11-22 23:29:49,773 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:49,784 INFO L267 ElimStorePlain]: Start of recursive call 53: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-22 23:29:50,046 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 47 [2018-11-22 23:29:50,049 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:50,049 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 41 [2018-11-22 23:29:50,049 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:50,073 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:50,080 INFO L478 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 0 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 57 [2018-11-22 23:29:50,081 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 3 xjuncts. [2018-11-22 23:29:50,106 INFO L267 ElimStorePlain]: Start of recursive call 55: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:29:50,116 INFO L478 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 3 case distinctions, treesize of input 44 treesize of output 50 [2018-11-22 23:29:50,124 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:50,132 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 46 treesize of output 65 [2018-11-22 23:29:50,133 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 3 xjuncts. [2018-11-22 23:29:50,169 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:50,170 INFO L478 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 0 case distinctions, treesize of input 44 treesize of output 49 [2018-11-22 23:29:50,170 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:50,196 INFO L267 ElimStorePlain]: Start of recursive call 58: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:29:50,400 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 45 [2018-11-22 23:29:50,403 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:50,403 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 39 [2018-11-22 23:29:50,403 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:50,427 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:50,435 INFO L478 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 0 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 55 [2018-11-22 23:29:50,435 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 3 xjuncts. [2018-11-22 23:29:50,461 INFO L267 ElimStorePlain]: Start of recursive call 61: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:29:50,471 INFO L478 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 3 case distinctions, treesize of input 44 treesize of output 48 [2018-11-22 23:29:50,475 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:50,476 INFO L478 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 0 case distinctions, treesize of input 42 treesize of output 47 [2018-11-22 23:29:50,476 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:50,500 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:50,509 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 63 [2018-11-22 23:29:50,510 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 3 xjuncts. [2018-11-22 23:29:50,538 INFO L267 ElimStorePlain]: Start of recursive call 64: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:29:50,727 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 47 [2018-11-22 23:29:50,732 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:50,739 INFO L478 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 0 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 57 [2018-11-22 23:29:50,740 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 3 xjuncts. [2018-11-22 23:29:50,776 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:50,776 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 41 [2018-11-22 23:29:50,776 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:50,798 INFO L267 ElimStorePlain]: Start of recursive call 67: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-22 23:29:50,808 INFO L478 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 3 case distinctions, treesize of input 44 treesize of output 50 [2018-11-22 23:29:50,816 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:50,824 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 46 treesize of output 65 [2018-11-22 23:29:50,825 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 3 xjuncts. [2018-11-22 23:29:50,859 INFO L701 Elim1Store]: detected not equals via solver [2018-11-22 23:29:50,860 INFO L478 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 0 case distinctions, treesize of input 44 treesize of output 49 [2018-11-22 23:29:50,860 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-11-22 23:29:50,887 INFO L267 ElimStorePlain]: Start of recursive call 70: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-22 23:29:51,040 INFO L267 ElimStorePlain]: Start of recursive call 50: 4 dim-1 vars, End of recursive call: and 14 xjuncts. [2018-11-22 23:29:51,170 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 14 xjuncts. [2018-11-22 23:29:51,315 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 14 xjuncts. [2018-11-22 23:29:52,429 INFO L267 ElimStorePlain]: Start of recursive call 1: 20 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: 52 dim-0 vars, and 24 xjuncts. [2018-11-22 23:29:52,429 INFO L202 ElimStorePlain]: Needed 72 recursive calls to eliminate 24 variables, input treesize:319, output treesize:1344 [2018-11-22 23:29:52,786 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 153 [2018-11-22 23:29:52,787 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 23:29:52,787 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.1 stem predicates 19 loop predicates [2018-11-22 23:29:52,788 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 20 states and 22 transitions. cyclomatic complexity: 4 Second operand 20 states. [2018-11-22 23:30:31,633 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:31,634 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:43,703 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:43,705 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:43,707 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:43,715 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:43,716 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:43,717 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:43,718 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:43,727 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:43,730 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:43,731 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:43,735 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:43,736 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:43,736 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:45,422 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:45,422 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:45,424 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:45,425 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:45,427 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:45,429 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:45,429 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:45,430 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:45,431 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:45,491 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:45,491 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:45,492 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:45,492 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:45,494 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:45,494 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:45,495 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:45,495 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:45,501 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:45,502 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:45,502 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:45,503 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:45,504 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:45,505 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:45,505 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:45,506 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:45,507 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:45,507 WARN L278 uchiComplementFKVNwa]: big8 [2018-11-22 23:30:45,519 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 20 states and 22 transitions. cyclomatic complexity: 4 Second operand 20 states. Result 1236 states and 3764 transitions. Complement of second has 661 states 17 powerset states644 rank states. The highest rank that occured is 7 [2018-11-22 23:30:45,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 1 stem states 8 non-accepting loop states 1 accepting loop states [2018-11-22 23:30:45,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-11-22 23:30:45,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 50 transitions. [2018-11-22 23:30:45,520 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 50 transitions. Stem has 2 letters. Loop has 26 letters. [2018-11-22 23:30:45,521 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-22 23:30:45,521 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2018-11-22 23:30:45,522 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: no settings was sufficient at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:809) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:568) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:384) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-22 23:30:45,524 INFO L168 Benchmark]: Toolchain (without parser) took 466424.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 960.9 MB in the beginning and 1.2 GB in the end (delta: -200.1 MB). Peak memory consumption was 312.5 MB. Max. memory is 11.5 GB. [2018-11-22 23:30:45,524 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:30:45,525 INFO L168 Benchmark]: CACSL2BoogieTranslator took 162.94 ms. Allocated memory is still 1.0 GB. Free memory was 960.9 MB in the beginning and 950.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:30:45,525 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.66 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 944.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:30:45,525 INFO L168 Benchmark]: Boogie Preprocessor took 12.99 ms. Allocated memory is still 1.0 GB. Free memory is still 944.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:30:45,525 INFO L168 Benchmark]: RCFGBuilder took 201.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -169.7 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-11-22 23:30:45,525 INFO L168 Benchmark]: BuchiAutomizer took 466022.54 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 38.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -46.6 MB). Peak memory consumption was 331.9 MB. Max. memory is 11.5 GB. [2018-11-22 23:30:45,527 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 162.94 ms. Allocated memory is still 1.0 GB. Free memory was 960.9 MB in the beginning and 950.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.66 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 944.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.99 ms. Allocated memory is still 1.0 GB. Free memory is still 944.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 201.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -169.7 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 466022.54 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 38.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -46.6 MB). Peak memory consumption was 331.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: no settings was sufficient de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: no settings was sufficient: de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:809) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...