./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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b86e172d-1421-414d-addf-0cdcbaa2e895/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b86e172d-1421-414d-addf-0cdcbaa2e895/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b86e172d-1421-414d-addf-0cdcbaa2e895/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b86e172d-1421-414d-addf-0cdcbaa2e895/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_b86e172d-1421-414d-addf-0cdcbaa2e895/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b86e172d-1421-414d-addf-0cdcbaa2e895/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_b86e172d-1421-414d-addf-0cdcbaa2e895/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 0.1.23-635dfa2 [2018-12-01 15:29:58,456 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 15:29:58,457 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 15:29:58,463 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 15:29:58,463 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 15:29:58,463 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 15:29:58,464 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 15:29:58,465 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 15:29:58,465 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 15:29:58,466 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 15:29:58,466 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 15:29:58,466 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 15:29:58,467 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 15:29:58,467 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 15:29:58,468 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 15:29:58,470 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 15:29:58,470 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 15:29:58,471 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 15:29:58,472 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 15:29:58,473 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 15:29:58,473 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 15:29:58,474 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 15:29:58,475 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 15:29:58,475 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 15:29:58,475 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 15:29:58,476 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 15:29:58,476 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 15:29:58,477 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 15:29:58,477 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 15:29:58,478 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 15:29:58,478 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 15:29:58,478 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 15:29:58,478 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 15:29:58,478 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 15:29:58,479 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 15:29:58,479 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 15:29:58,479 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b86e172d-1421-414d-addf-0cdcbaa2e895/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-12-01 15:29:58,487 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 15:29:58,487 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 15:29:58,488 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 15:29:58,488 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 15:29:58,488 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 15:29:58,488 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-01 15:29:58,488 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-01 15:29:58,488 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-01 15:29:58,488 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-01 15:29:58,489 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-01 15:29:58,489 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-01 15:29:58,489 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 15:29:58,489 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 15:29:58,489 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 15:29:58,489 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 15:29:58,489 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-01 15:29:58,489 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-01 15:29:58,490 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-01 15:29:58,490 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 15:29:58,490 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-01 15:29:58,490 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 15:29:58,490 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-01 15:29:58,490 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 15:29:58,490 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 15:29:58,490 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-01 15:29:58,491 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 15:29:58,491 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 15:29:58,491 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-01 15:29:58,491 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-01 15:29:58,491 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_b86e172d-1421-414d-addf-0cdcbaa2e895/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 [2018-12-01 15:29:58,508 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 15:29:58,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 15:29:58,517 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 15:29:58,518 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 15:29:58,518 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 15:29:58,518 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b86e172d-1421-414d-addf-0cdcbaa2e895/bin-2019/uautomizer/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex1_true-termination.c.i [2018-12-01 15:29:58,551 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b86e172d-1421-414d-addf-0cdcbaa2e895/bin-2019/uautomizer/data/780d0b12e/6e0af5f0f4d047699827f201165b651e/FLAG6b6815962 [2018-12-01 15:29:58,984 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 15:29:58,984 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b86e172d-1421-414d-addf-0cdcbaa2e895/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex1_true-termination.c.i [2018-12-01 15:29:58,988 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b86e172d-1421-414d-addf-0cdcbaa2e895/bin-2019/uautomizer/data/780d0b12e/6e0af5f0f4d047699827f201165b651e/FLAG6b6815962 [2018-12-01 15:29:58,998 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b86e172d-1421-414d-addf-0cdcbaa2e895/bin-2019/uautomizer/data/780d0b12e/6e0af5f0f4d047699827f201165b651e [2018-12-01 15:29:59,001 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 15:29:59,002 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 15:29:59,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 15:29:59,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 15:29:59,004 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 15:29:59,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:29:58" (1/1) ... [2018-12-01 15:29:59,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@374725de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:59, skipping insertion in model container [2018-12-01 15:29:59,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:29:58" (1/1) ... [2018-12-01 15:29:59,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 15:29:59,026 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 15:29:59,113 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:29:59,119 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 15:29:59,128 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:29:59,139 INFO L195 MainTranslator]: Completed translation [2018-12-01 15:29:59,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:59 WrapperNode [2018-12-01 15:29:59,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 15:29:59,139 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 15:29:59,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 15:29:59,140 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 15:29:59,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:59" (1/1) ... [2018-12-01 15:29:59,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:59" (1/1) ... [2018-12-01 15:29:59,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 15:29:59,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 15:29:59,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 15:29:59,159 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 15:29:59,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:59" (1/1) ... [2018-12-01 15:29:59,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:59" (1/1) ... [2018-12-01 15:29:59,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:59" (1/1) ... [2018-12-01 15:29:59,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:59" (1/1) ... [2018-12-01 15:29:59,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:59" (1/1) ... [2018-12-01 15:29:59,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:59" (1/1) ... [2018-12-01 15:29:59,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:59" (1/1) ... [2018-12-01 15:29:59,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 15:29:59,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 15:29:59,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 15:29:59,201 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 15:29:59,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b86e172d-1421-414d-addf-0cdcbaa2e895/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 [2018-12-01 15:29:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-01 15:29:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2018-12-01 15:29:59,233 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2018-12-01 15:29:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 15:29:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 15:29:59,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 15:29:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-01 15:29:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 15:29:59,343 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 15:29:59,343 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-01 15:29:59,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:29:59 BoogieIcfgContainer [2018-12-01 15:29:59,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 15:29:59,344 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-01 15:29:59,344 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-01 15:29:59,347 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-01 15:29:59,348 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 15:29:59,348 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 03:29:58" (1/3) ... [2018-12-01 15:29:59,349 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78e8687c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:29:59, skipping insertion in model container [2018-12-01 15:29:59,349 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 15:29:59,349 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:59" (2/3) ... [2018-12-01 15:29:59,349 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78e8687c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:29:59, skipping insertion in model container [2018-12-01 15:29:59,349 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 15:29:59,349 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:29:59" (3/3) ... [2018-12-01 15:29:59,351 INFO L375 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex1_true-termination.c.i [2018-12-01 15:29:59,382 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 15:29:59,383 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-01 15:29:59,383 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-01 15:29:59,383 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-01 15:29:59,383 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 15:29:59,383 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 15:29:59,383 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-01 15:29:59,383 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 15:29:59,383 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-01 15:29:59,391 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2018-12-01 15:29:59,406 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2018-12-01 15:29:59,406 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 15:29:59,406 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 15:29:59,410 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-12-01 15:29:59,410 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 15:29:59,410 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-01 15:29:59,411 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2018-12-01 15:29:59,411 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2018-12-01 15:29:59,411 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 15:29:59,412 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 15:29:59,412 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-12-01 15:29:59,412 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 15:29:59,417 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 8#L-1true havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~nondet8, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem9, main_~pp~0.base, main_~pp~0.offset, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.alloc(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.alloc(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet7;call write~int(main_#t~nondet8, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet8; 18#L28-3true [2018-12-01 15:29:59,417 INFO L796 eck$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~mem12;havoc main_#t~mem13; 18#L28-3true [2018-12-01 15:29:59,420 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:29:59,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2018-12-01 15:29:59,422 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:29:59,422 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:29:59,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:29:59,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:29:59,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:29:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:29:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:29:59,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:29:59,499 INFO L82 PathProgramCache]: Analyzing trace with hash 51331199, now seen corresponding path program 1 times [2018-12-01 15:29:59,499 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:29:59,500 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:29:59,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:29:59,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:29:59,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:29:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:29:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:29:59,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:29:59,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1890018113, now seen corresponding path program 1 times [2018-12-01 15:29:59,531 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:29:59,531 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:29:59,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:29:59,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:29:59,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:29:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:29:59,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:29:59,646 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:29:59,646 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-01 15:29:59,892 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 74 [2018-12-01 15:29:59,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 15:29:59,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-01 15:29:59,932 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 8 states. [2018-12-01 15:29:59,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:29:59,976 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2018-12-01 15:29:59,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 15:29:59,977 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2018-12-01 15:29:59,979 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2018-12-01 15:29:59,983 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 14 states and 16 transitions. [2018-12-01 15:29:59,984 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2018-12-01 15:29:59,984 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2018-12-01 15:29:59,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 16 transitions. [2018-12-01 15:29:59,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-01 15:29:59,986 INFO L705 BuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2018-12-01 15:29:59,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 16 transitions. [2018-12-01 15:30:00,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-12-01 15:30:00,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-12-01 15:30:00,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2018-12-01 15:30:00,005 INFO L728 BuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2018-12-01 15:30:00,005 INFO L608 BuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2018-12-01 15:30:00,005 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-01 15:30:00,005 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 16 transitions. [2018-12-01 15:30:00,005 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2018-12-01 15:30:00,005 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 15:30:00,005 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 15:30:00,006 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-12-01 15:30:00,006 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 15:30:00,006 INFO L794 eck$LassoCheckResult]: Stem: 57#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 50#L-1 havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~nondet8, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem9, main_~pp~0.base, main_~pp~0.offset, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.alloc(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.alloc(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet7;call write~int(main_#t~nondet8, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet8; 51#L28-3 [2018-12-01 15:30:00,006 INFO L796 eck$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~mem12;havoc main_#t~mem13; 51#L28-3 [2018-12-01 15:30:00,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:30:00,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 2 times [2018-12-01 15:30:00,006 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:30:00,007 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:30:00,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:30:00,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:30:00,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:30:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:30:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:30:00,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:30:00,017 INFO L82 PathProgramCache]: Analyzing trace with hash 198344305, now seen corresponding path program 1 times [2018-12-01 15:30:00,017 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:30:00,017 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:30:00,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:30:00,018 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 15:30:00,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:30:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:30:00,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 15:30:00,224 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 15:30:00,224 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b86e172d-1421-414d-addf-0cdcbaa2e895/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 [2018-12-01 15:30:00,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:30:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:30:00,246 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:30:00,306 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 [2018-12-01 15:30:00,379 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 [2018-12-01 15:30:00,379 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 15:30:00,382 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 [2018-12-01 15:30:00,383 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-01 15:30:00,425 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 [2018-12-01 15:30:00,426 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-01 15:30:00,466 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 [2018-12-01 15:30:00,469 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 [2018-12-01 15:30:00,469 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-01 15:30:00,471 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:30:00,473 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 [2018-12-01 15:30:00,474 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 [2018-12-01 15:30:00,475 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-01 15:30:00,478 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:30:00,484 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 [2018-12-01 15:30:00,486 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 [2018-12-01 15:30:00,487 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-12-01 15:30:00,498 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 [2018-12-01 15:30:00,498 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-12-01 15:30:00,503 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:30:00,543 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:30:00,556 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:30:00,556 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 5 variables, input treesize:47, output treesize:9 [2018-12-01 15:30:00,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 15:30:00,650 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 15:30:00,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 19 [2018-12-01 15:30:00,650 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-01 15:30:00,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-01 15:30:00,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-01 15:30:00,651 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. cyclomatic complexity: 4 Second operand 19 states. [2018-12-01 15:30:00,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:30:00,859 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2018-12-01 15:30:00,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-01 15:30:00,860 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 19 transitions. [2018-12-01 15:30:00,861 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2018-12-01 15:30:00,861 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 19 transitions. [2018-12-01 15:30:00,861 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2018-12-01 15:30:00,862 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2018-12-01 15:30:00,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 19 transitions. [2018-12-01 15:30:00,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-01 15:30:00,862 INFO L705 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2018-12-01 15:30:00,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 19 transitions. [2018-12-01 15:30:00,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-12-01 15:30:00,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-12-01 15:30:00,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2018-12-01 15:30:00,863 INFO L728 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2018-12-01 15:30:00,863 INFO L608 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2018-12-01 15:30:00,863 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-01 15:30:00,864 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 19 transitions. [2018-12-01 15:30:00,864 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2018-12-01 15:30:00,864 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 15:30:00,864 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 15:30:00,864 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-12-01 15:30:00,865 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2018-12-01 15:30:00,865 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 [2018-12-01 15:30:00,865 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~mem12;havoc main_#t~mem13; 158#L28-3 [2018-12-01 15:30:00,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:30:00,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 3 times [2018-12-01 15:30:00,865 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:30:00,865 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:30:00,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:30:00,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:30:00,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:30:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:30:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:30:00,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:30:00,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1148543297, now seen corresponding path program 2 times [2018-12-01 15:30:00,872 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:30:00,872 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:30:00,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:30:00,873 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 15:30:00,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:30:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:30:00,965 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 15:30:00,965 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 15:30:00,965 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b86e172d-1421-414d-addf-0cdcbaa2e895/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 [2018-12-01 15:30:00,971 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-01 15:30:00,987 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-01 15:30:00,987 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-01 15:30:00,989 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:30:01,013 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 [2018-12-01 15:30:01,086 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 [2018-12-01 15:30:01,086 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 15:30:01,088 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 [2018-12-01 15:30:01,088 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-01 15:30:01,122 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 [2018-12-01 15:30:01,123 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-01 15:30:01,158 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 [2018-12-01 15:30:01,161 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 [2018-12-01 15:30:01,161 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-01 15:30:01,167 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:30:01,169 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 [2018-12-01 15:30:01,171 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 [2018-12-01 15:30:01,171 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-01 15:30:01,174 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:30:01,175 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 [2018-12-01 15:30:01,177 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 [2018-12-01 15:30:01,177 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-12-01 15:30:01,179 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:30:01,208 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:30:01,217 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:30:01,217 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 5 variables, input treesize:47, output treesize:9 [2018-12-01 15:30:01,259 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 15:30:01,273 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 15:30:01,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2018-12-01 15:30:01,273 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-01 15:30:01,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-01 15:30:01,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2018-12-01 15:30:01,274 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. cyclomatic complexity: 4 Second operand 15 states. [2018-12-01 15:30:01,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:30:01,371 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2018-12-01 15:30:01,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 15:30:01,371 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 22 transitions. [2018-12-01 15:30:01,372 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2018-12-01 15:30:01,372 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 22 transitions. [2018-12-01 15:30:01,373 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2018-12-01 15:30:01,373 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2018-12-01 15:30:01,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 22 transitions. [2018-12-01 15:30:01,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-01 15:30:01,373 INFO L705 BuchiCegarLoop]: Abstraction has 20 states and 22 transitions. [2018-12-01 15:30:01,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 22 transitions. [2018-12-01 15:30:01,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-12-01 15:30:01,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-12-01 15:30:01,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2018-12-01 15:30:01,375 INFO L728 BuchiCegarLoop]: Abstraction has 20 states and 22 transitions. [2018-12-01 15:30:01,375 INFO L608 BuchiCegarLoop]: Abstraction has 20 states and 22 transitions. [2018-12-01 15:30:01,375 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-12-01 15:30:01,375 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 22 transitions. [2018-12-01 15:30:01,375 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2018-12-01 15:30:01,376 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 15:30:01,376 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 15:30:01,376 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-12-01 15:30:01,376 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2018-12-01 15:30:01,376 INFO L794 eck$LassoCheckResult]: Stem: 277#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 270#L-1 havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~nondet8, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~mem9, main_~pp~0.base, main_~pp~0.offset, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.alloc(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.alloc(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet7;call write~int(main_#t~nondet8, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet8; 271#L28-3 [2018-12-01 15:30:01,376 INFO L796 eck$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~mem12;havoc main_#t~mem13; 271#L28-3 [2018-12-01 15:30:01,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:30:01,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 4 times [2018-12-01 15:30:01,377 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:30:01,377 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:30:01,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:30:01,377 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 15:30:01,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:30:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:30:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:30:01,386 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:30:01,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1161179343, now seen corresponding path program 3 times [2018-12-01 15:30:01,386 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:30:01,386 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:30:01,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:30:01,387 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 15:30:01,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:30:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:30:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:30:01,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:30:01,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1853588851, now seen corresponding path program 1 times [2018-12-01 15:30:01,421 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:30:01,421 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:30:01,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:30:01,422 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 15:30:01,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:30:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:30:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 15:30:01,644 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2018-12-01 15:30:01,849 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2018-12-01 15:30:02,177 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 112 [2018-12-01 15:30:02,402 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2018-12-01 15:30:03,029 WARN L180 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 130 [2018-12-01 15:30:03,191 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2018-12-01 15:30:03,284 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 15:30:03,285 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 15:30:03,285 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 15:30:03,285 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 15:30:03,285 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-01 15:30:03,285 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 15:30:03,285 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 15:30:03,285 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 15:30:03,285 INFO L131 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex1_true-termination.c.i_Iteration4_Lasso [2018-12-01 15:30:03,285 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 15:30:03,285 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 15:30:03,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 15:30:03,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 15:30:03,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 15:30:03,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 15:30:03,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 15:30:03,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 15:30:03,529 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2018-12-01 15:30:03,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 15:30:03,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 15:30:03,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 15:30:03,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 15:30:03,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 15:30:03,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 15:30:03,732 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 15:30:03,735 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-01 15:30:03,736 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 [2018-12-01 15:30:03,737 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 15:30:03,738 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 15:30:03,738 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 15:30:03,738 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 15:30:03,738 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 15:30:03,739 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 15:30:03,739 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 15:30:03,741 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 15:30:03,741 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 [2018-12-01 15:30:03,741 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 15:30:03,742 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 15:30:03,742 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 15:30:03,742 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 15:30:03,742 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 15:30:03,742 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 15:30:03,742 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 15:30:03,743 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 15:30:03,743 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 [2018-12-01 15:30:03,743 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 15:30:03,743 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 15:30:03,744 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 15:30:03,744 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 15:30:03,744 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 15:30:03,744 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 15:30:03,744 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 15:30:03,745 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 15:30:03,745 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 [2018-12-01 15:30:03,745 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 15:30:03,745 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 15:30:03,745 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 15:30:03,746 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 15:30:03,746 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 15:30:03,746 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 15:30:03,746 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 15:30:03,746 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 15:30:03,747 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 [2018-12-01 15:30:03,747 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 15:30:03,747 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 15:30:03,747 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 15:30:03,747 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 15:30:03,749 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 15:30:03,749 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 15:30:03,750 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 15:30:03,751 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 [2018-12-01 15:30:03,751 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 15:30:03,751 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 15:30:03,751 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 15:30:03,751 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-01 15:30:03,751 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 15:30:03,752 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 15:30:03,752 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 15:30:03,752 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 15:30:03,753 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 [2018-12-01 15:30:03,753 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 15:30:03,753 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 15:30:03,753 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 15:30:03,753 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-01 15:30:03,753 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 15:30:03,754 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 15:30:03,754 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 15:30:03,755 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 15:30:03,755 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 [2018-12-01 15:30:03,755 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 15:30:03,755 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 15:30:03,755 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 15:30:03,756 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 15:30:03,757 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 15:30:03,757 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 15:30:03,761 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 15:30:03,761 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 [2018-12-01 15:30:03,762 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 15:30:03,762 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 15:30:03,762 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 15:30:03,762 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 15:30:03,763 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 15:30:03,763 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 15:30:03,767 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 15:30:03,768 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 [2018-12-01 15:30:03,768 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 15:30:03,768 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 15:30:03,768 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 15:30:03,768 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 15:30:03,768 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 15:30:03,769 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 15:30:03,769 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 15:30:03,769 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 15:30:03,770 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 [2018-12-01 15:30:03,770 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 15:30:03,770 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 15:30:03,770 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 15:30:03,771 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 15:30:03,773 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 15:30:03,773 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 15:30:03,781 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 15:30:03,781 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 [2018-12-01 15:30:03,782 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 15:30:03,782 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 15:30:03,782 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 15:30:03,782 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 15:30:03,783 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 15:30:03,783 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 15:30:03,784 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 15:30:03,785 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 [2018-12-01 15:30:03,785 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 15:30:03,785 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-12-01 15:30:03,785 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 15:30:03,785 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 15:30:03,786 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-01 15:30:03,787 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 15:30:03,789 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 15:30:03,790 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 [2018-12-01 15:30:03,790 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 15:30:03,790 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 15:30:03,790 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 15:30:03,790 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 15:30:03,790 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 15:30:03,791 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 15:30:03,791 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 15:30:03,791 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 15:30:03,792 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 [2018-12-01 15:30:03,792 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 15:30:03,792 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 15:30:03,792 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 15:30:03,792 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 15:30:03,793 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 15:30:03,793 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 15:30:03,798 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-01 15:30:03,803 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-01 15:30:03,803 INFO L444 ModelExtractionUtils]: 7 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-12-01 15:30:03,805 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-01 15:30:03,805 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-12-01 15:30:03,806 INFO L518 LassoAnalysis]: Proved termination. [2018-12-01 15:30:03,806 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 [] [2018-12-01 15:30:03,836 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2018-12-01 15:30:03,839 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-01 15:30:03,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:30:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:30:03,852 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:30:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:30:03,880 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:30:03,902 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 [2018-12-01 15:30:03,905 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 [2018-12-01 15:30:03,905 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 15:30:03,942 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 [2018-12-01 15:30:03,942 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-01 15:30:03,971 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:30:03,972 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 [2018-12-01 15:30:03,979 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 [2018-12-01 15:30:03,981 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-12-01 15:30:03,991 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:30:04,024 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:30:04,025 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:30:04,032 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 [2018-12-01 15:30:04,038 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 [2018-12-01 15:30:04,039 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-01 15:30:04,065 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:30:04,069 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 [2018-12-01 15:30:04,070 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-12-01 15:30:04,098 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:30:04,127 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:30:04,134 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 [2018-12-01 15:30:04,141 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 [2018-12-01 15:30:04,142 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-12-01 15:30:04,168 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:30:04,169 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 [2018-12-01 15:30:04,169 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-12-01 15:30:04,181 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:30:04,196 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:30:04,206 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:30:04,207 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 1 variables, input treesize:67, output treesize:74 [2018-12-01 15:30:04,676 WARN L180 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-12-01 15:30:05,081 WARN L180 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-12-01 15:30:06,179 WARN L180 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-12-01 15:30:18,593 WARN L180 SmtUtils]: Spent 12.05 s on a formula simplification that was a NOOP. DAG size: 21 [2018-12-01 15:30:42,723 WARN L180 SmtUtils]: Spent 12.07 s on a formula simplification that was a NOOP. DAG size: 22 [2018-12-01 15:30:42,727 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 [2018-12-01 15:30:42,727 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 15:30:42,735 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. [2018-12-01 15:30:42,735 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:36, output treesize:35 [2018-12-01 15:30:54,882 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 [2018-12-01 15:30:54,882 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 15:30:54,892 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. [2018-12-01 15:30:54,892 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:70, output treesize:69 [2018-12-01 15:30:55,196 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:30:55,196 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 [2018-12-01 15:30:55,196 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 15:30:55,218 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. [2018-12-01 15:30:55,218 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 11 variables, input treesize:131, output treesize:130 [2018-12-01 15:30:55,599 WARN L180 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2018-12-01 15:30:55,603 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:30:55,604 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:30:55,605 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:30:55,606 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 [2018-12-01 15:30:55,606 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 15:30:55,760 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:30:55,764 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:30:55,766 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:30:55,767 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:30:55,769 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:30:55,769 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 [2018-12-01 15:30:55,770 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 15:30:55,905 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 [2018-12-01 15:30:55,908 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 [2018-12-01 15:30:55,908 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-01 15:30:55,945 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 [2018-12-01 15:30:55,947 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 [2018-12-01 15:30:55,948 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-01 15:30:56,014 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 [2018-12-01 15:30:56,015 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-12-01 15:30:59,097 WARN L180 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 462 DAG size of output: 219 [2018-12-01 15:30:59,109 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 [2018-12-01 15:30:59,114 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:30:59,114 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 90 [2018-12-01 15:30:59,115 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-12-01 15:30:59,162 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:30:59,170 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 [2018-12-01 15:30:59,171 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 3 xjuncts. [2018-12-01 15:30:59,215 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:30:59,222 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 [2018-12-01 15:30:59,227 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:30:59,235 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 [2018-12-01 15:30:59,236 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 3 xjuncts. [2018-12-01 15:30:59,310 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:30:59,311 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 [2018-12-01 15:30:59,311 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-01 15:30:59,347 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:31:00,547 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 [2018-12-01 15:31:00,551 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:00,552 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 [2018-12-01 15:31:00,552 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-12-01 15:31:00,566 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:31:00,568 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 [2018-12-01 15:31:00,571 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:00,571 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 [2018-12-01 15:31:00,571 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-12-01 15:31:00,582 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:31:01,505 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 [2018-12-01 15:31:01,510 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:01,519 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 [2018-12-01 15:31:01,520 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 3 xjuncts. [2018-12-01 15:31:01,578 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:01,578 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 [2018-12-01 15:31:01,579 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-12-01 15:31:01,619 INFO L267 ElimStorePlain]: Start of recursive call 19: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:31:01,629 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 [2018-12-01 15:31:01,634 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:01,634 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 [2018-12-01 15:31:01,635 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-12-01 15:31:01,672 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:01,682 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 [2018-12-01 15:31:01,683 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 3 xjuncts. [2018-12-01 15:31:01,730 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:31:02,503 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 [2018-12-01 15:31:02,509 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:02,517 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 [2018-12-01 15:31:02,518 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 3 xjuncts. [2018-12-01 15:31:02,571 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:02,572 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 62 [2018-12-01 15:31:02,572 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-12-01 15:31:02,604 INFO L267 ElimStorePlain]: Start of recursive call 25: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:31:02,614 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 1 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 71 [2018-12-01 15:31:02,619 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:02,619 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 [2018-12-01 15:31:02,619 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-12-01 15:31:02,655 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:02,665 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 [2018-12-01 15:31:02,666 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 3 xjuncts. [2018-12-01 15:31:02,712 INFO L267 ElimStorePlain]: Start of recursive call 28: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:31:03,359 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 [2018-12-01 15:31:03,370 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:03,380 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 [2018-12-01 15:31:03,381 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 3 xjuncts. [2018-12-01 15:31:03,433 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:03,434 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 [2018-12-01 15:31:03,434 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-12-01 15:31:03,476 INFO L267 ElimStorePlain]: Start of recursive call 31: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:31:03,484 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 [2018-12-01 15:31:03,487 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:03,487 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 [2018-12-01 15:31:03,488 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-12-01 15:31:03,522 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:03,531 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 [2018-12-01 15:31:03,531 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 3 xjuncts. [2018-12-01 15:31:03,585 INFO L267 ElimStorePlain]: Start of recursive call 34: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:31:04,077 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:04,079 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:04,091 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 [2018-12-01 15:31:04,094 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-12-01 15:31:04,094 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-12-01 15:31:04,158 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:04,162 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:04,163 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:04,182 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 [2018-12-01 15:31:04,184 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 9 xjuncts. [2018-12-01 15:31:04,343 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:04,345 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 [2018-12-01 15:31:04,345 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-12-01 15:31:04,436 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:04,437 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 [2018-12-01 15:31:04,438 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-12-01 15:31:04,501 INFO L267 ElimStorePlain]: Start of recursive call 37: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:31:04,506 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:04,511 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:04,527 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 [2018-12-01 15:31:04,544 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:04,567 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 [2018-12-01 15:31:04,570 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 5 xjuncts. [2018-12-01 15:31:04,747 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:04,756 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 [2018-12-01 15:31:04,757 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 3 xjuncts. [2018-12-01 15:31:04,868 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:04,876 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 [2018-12-01 15:31:04,877 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 3 xjuncts. [2018-12-01 15:31:05,094 INFO L267 ElimStorePlain]: Start of recursive call 42: 4 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-12-01 15:31:05,541 INFO L267 ElimStorePlain]: Start of recursive call 8: 6 dim-1 vars, End of recursive call: and 26 xjuncts. [2018-12-01 15:31:05,922 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 25 xjuncts. [2018-12-01 15:31:06,530 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 25 xjuncts. [2018-12-01 15:31:07,880 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 [2018-12-01 15:31:07,883 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 [2018-12-01 15:31:07,883 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-12-01 15:31:07,909 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 [2018-12-01 15:31:07,911 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 [2018-12-01 15:31:07,911 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-12-01 15:31:07,955 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 [2018-12-01 15:31:07,955 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-01 15:31:08,741 WARN L180 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 136 [2018-12-01 15:31:08,751 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 [2018-12-01 15:31:08,755 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:08,755 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 [2018-12-01 15:31:08,756 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-12-01 15:31:08,796 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:08,806 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 [2018-12-01 15:31:08,807 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 3 xjuncts. [2018-12-01 15:31:08,841 INFO L267 ElimStorePlain]: Start of recursive call 51: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:31:08,856 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 [2018-12-01 15:31:08,861 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:08,862 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-12-01 15:31:08,862 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-12-01 15:31:08,905 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:08,916 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 [2018-12-01 15:31:08,917 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 3 xjuncts. [2018-12-01 15:31:08,954 INFO L267 ElimStorePlain]: Start of recursive call 54: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:31:09,340 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 [2018-12-01 15:31:09,342 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:09,343 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 [2018-12-01 15:31:09,343 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-12-01 15:31:09,350 INFO L267 ElimStorePlain]: Start of recursive call 57: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:31:09,352 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 [2018-12-01 15:31:09,356 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:09,356 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 [2018-12-01 15:31:09,357 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-12-01 15:31:09,365 INFO L267 ElimStorePlain]: Start of recursive call 59: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:31:09,575 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 [2018-12-01 15:31:09,579 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:09,579 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 [2018-12-01 15:31:09,579 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-12-01 15:31:09,612 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:09,620 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 [2018-12-01 15:31:09,620 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 3 xjuncts. [2018-12-01 15:31:09,649 INFO L267 ElimStorePlain]: Start of recursive call 61: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:31:09,656 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 [2018-12-01 15:31:09,659 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:09,659 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 [2018-12-01 15:31:09,660 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-12-01 15:31:09,685 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:09,692 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 [2018-12-01 15:31:09,693 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 3 xjuncts. [2018-12-01 15:31:09,717 INFO L267 ElimStorePlain]: Start of recursive call 64: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:31:09,901 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 [2018-12-01 15:31:09,905 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:09,906 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 [2018-12-01 15:31:09,906 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-12-01 15:31:09,931 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:09,940 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 [2018-12-01 15:31:09,940 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 3 xjuncts. [2018-12-01 15:31:09,969 INFO L267 ElimStorePlain]: Start of recursive call 67: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:31:09,976 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 [2018-12-01 15:31:09,979 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:09,979 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 [2018-12-01 15:31:09,979 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-12-01 15:31:10,002 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:10,010 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 [2018-12-01 15:31:10,010 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 3 xjuncts. [2018-12-01 15:31:10,034 INFO L267 ElimStorePlain]: Start of recursive call 70: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:31:10,175 INFO L267 ElimStorePlain]: Start of recursive call 50: 4 dim-1 vars, End of recursive call: and 14 xjuncts. [2018-12-01 15:31:10,296 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 14 xjuncts. [2018-12-01 15:31:10,427 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 14 xjuncts. [2018-12-01 15:31:12,166 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. [2018-12-01 15:31:12,166 INFO L202 ElimStorePlain]: Needed 72 recursive calls to eliminate 24 variables, input treesize:319, output treesize:1553 [2018-12-01 15:31:12,576 WARN L180 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 153 [2018-12-01 15:31:12,577 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 15:31:12,579 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 [2018-12-01 15:31:12,580 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 22 transitions. cyclomatic complexity: 4 Second operand 20 states. [2018-12-01 15:31:52,177 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 25 states. [2018-12-01 15:31:52,177 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 [2018-12-01 15:31:52,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-12-01 15:31:52,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 13 transitions. [2018-12-01 15:31:52,179 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 13 transitions. Stem has 2 letters. Loop has 26 letters. [2018-12-01 15:31:52,179 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 15:31:52,179 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2018-12-01 15:31:52,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:31:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:31:52,190 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:31:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:31:52,216 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:31:52,240 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 [2018-12-01 15:31:52,243 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 [2018-12-01 15:31:52,244 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 15:31:52,279 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 [2018-12-01 15:31:52,280 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-01 15:31:52,313 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:52,314 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 [2018-12-01 15:31:52,315 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 [2018-12-01 15:31:52,316 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-01 15:31:52,321 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:31:52,346 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:52,354 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 [2018-12-01 15:31:52,356 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 [2018-12-01 15:31:52,357 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-01 15:31:52,379 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:31:52,383 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 2 case distinctions, treesize of input 29 treesize of output 35 [2018-12-01 15:31:52,384 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-12-01 15:31:52,400 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:31:52,429 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:31:52,441 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:31:52,441 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 1 variables, input treesize:67, output treesize:74 [2018-12-01 15:31:52,967 WARN L180 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-12-01 15:31:53,442 WARN L180 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-12-01 15:32:05,497 WARN L180 SmtUtils]: Spent 12.03 s on a formula simplification that was a NOOP. DAG size: 21 [2018-12-01 15:32:05,575 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 [2018-12-01 15:32:05,575 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 15:32:05,584 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. [2018-12-01 15:32:05,584 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:73, output treesize:72 [2018-12-01 15:32:05,674 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:05,674 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 12 treesize of output 15 [2018-12-01 15:32:05,674 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 15:32:05,698 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. [2018-12-01 15:32:05,699 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 11 variables, input treesize:137, output treesize:136 [2018-12-01 15:32:06,019 WARN L180 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 114 [2018-12-01 15:32:06,023 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:06,024 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:06,027 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:06,028 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:06,029 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:06,030 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 171 treesize of output 190 [2018-12-01 15:32:06,109 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:06,110 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:06,111 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:06,112 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:06,115 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:06,116 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:06,117 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:06,118 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 [2018-12-01 15:32:06,118 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 15:32:06,155 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:32:06,298 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:06,300 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:06,300 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:06,301 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 154 treesize of output 165 [2018-12-01 15:32:06,357 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:06,358 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:06,359 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:06,360 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:06,360 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:06,361 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 [2018-12-01 15:32:06,361 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-01 15:32:06,382 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:32:06,544 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 172 treesize of output 132 [2018-12-01 15:32:06,546 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 [2018-12-01 15:32:06,547 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-01 15:32:06,586 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 [2018-12-01 15:32:06,588 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 [2018-12-01 15:32:06,589 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-01 15:32:06,624 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 [2018-12-01 15:32:06,655 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 [2018-12-01 15:32:06,658 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:06,658 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 [2018-12-01 15:32:06,658 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-12-01 15:32:06,662 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:32:06,665 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 [2018-12-01 15:32:06,668 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:06,669 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 [2018-12-01 15:32:06,670 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-01 15:32:06,673 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:32:06,694 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:32:06,718 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:32:06,757 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:32:06,897 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 148 treesize of output 112 [2018-12-01 15:32:06,899 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 [2018-12-01 15:32:06,900 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-12-01 15:32:06,928 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 [2018-12-01 15:32:06,930 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 [2018-12-01 15:32:06,930 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-12-01 15:32:06,948 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 [2018-12-01 15:32:06,968 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 [2018-12-01 15:32:06,970 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:06,971 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 [2018-12-01 15:32:06,971 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-12-01 15:32:06,975 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:32:06,977 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 [2018-12-01 15:32:06,981 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:06,982 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 [2018-12-01 15:32:06,982 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-12-01 15:32:06,985 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:32:07,000 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:32:07,014 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:32:07,041 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:32:07,161 INFO L267 ElimStorePlain]: Start of recursive call 1: 20 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: 6 dim-0 vars, and 3 xjuncts. [2018-12-01 15:32:07,161 INFO L202 ElimStorePlain]: Needed 23 recursive calls to eliminate 24 variables, input treesize:331, output treesize:144 [2018-12-01 15:32:07,230 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 15:32:07,230 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 16 loop predicates [2018-12-01 15:32:07,230 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 22 transitions. cyclomatic complexity: 4 Second operand 17 states. [2018-12-01 15:32:20,789 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 22 transitions. cyclomatic complexity: 4. Second operand 17 states. Result 57 states and 67 transitions. Complement of second has 27 states. [2018-12-01 15:32:20,790 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 [2018-12-01 15:32:20,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-12-01 15:32:20,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 13 transitions. [2018-12-01 15:32:20,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 13 transitions. Stem has 2 letters. Loop has 26 letters. [2018-12-01 15:32:20,791 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 15:32:20,791 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2018-12-01 15:32:20,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:32:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:32:20,802 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:32:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:32:20,825 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:32:20,846 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 [2018-12-01 15:32:20,849 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 [2018-12-01 15:32:20,849 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 15:32:20,884 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 [2018-12-01 15:32:20,884 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-01 15:32:20,918 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:20,919 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:20,927 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 [2018-12-01 15:32:20,931 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 [2018-12-01 15:32:20,931 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-01 15:32:20,953 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:20,958 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 [2018-12-01 15:32:20,958 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-12-01 15:32:20,975 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:32:21,006 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:21,014 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 [2018-12-01 15:32:21,016 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 [2018-12-01 15:32:21,016 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-01 15:32:21,034 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:32:21,038 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 [2018-12-01 15:32:21,039 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-12-01 15:32:21,054 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:32:21,074 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:32:21,086 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:32:21,086 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 1 variables, input treesize:67, output treesize:74 [2018-12-01 15:32:21,606 WARN L180 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-12-01 15:32:22,055 WARN L180 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-12-01 15:32:23,290 WARN L180 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-12-01 15:32:35,742 WARN L180 SmtUtils]: Spent 12.05 s on a formula simplification that was a NOOP. DAG size: 21 [2018-12-01 15:32:59,923 WARN L180 SmtUtils]: Spent 12.08 s on a formula simplification that was a NOOP. DAG size: 22 [2018-12-01 15:32:59,926 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 [2018-12-01 15:32:59,926 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 15:32:59,934 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. [2018-12-01 15:32:59,934 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:36, output treesize:35 [2018-12-01 15:33:12,140 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 [2018-12-01 15:33:12,140 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 15:33:12,149 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. [2018-12-01 15:33:12,150 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:70, output treesize:69 [2018-12-01 15:33:24,284 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:24,284 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 [2018-12-01 15:33:24,285 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 15:33:24,304 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. [2018-12-01 15:33:24,305 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 11 variables, input treesize:131, output treesize:130 [2018-12-01 15:33:24,649 WARN L180 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 110 [2018-12-01 15:33:24,653 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:24,656 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:24,657 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:24,658 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:24,659 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:24,660 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 [2018-12-01 15:33:24,660 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 15:33:24,776 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:24,777 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:24,778 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:24,778 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 [2018-12-01 15:33:24,778 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 15:33:24,895 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 [2018-12-01 15:33:24,897 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 [2018-12-01 15:33:24,898 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-01 15:33:24,926 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 [2018-12-01 15:33:24,928 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 [2018-12-01 15:33:24,928 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-01 15:33:24,972 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 [2018-12-01 15:33:24,973 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-01 15:33:25,835 WARN L180 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 136 [2018-12-01 15:33:25,843 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 [2018-12-01 15:33:25,846 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:25,846 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 [2018-12-01 15:33:25,847 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-12-01 15:33:25,876 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:25,884 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 [2018-12-01 15:33:25,885 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 3 xjuncts. [2018-12-01 15:33:25,910 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:33:25,921 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 [2018-12-01 15:33:25,924 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:25,926 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 [2018-12-01 15:33:25,926 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-12-01 15:33:25,955 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:25,966 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 [2018-12-01 15:33:25,966 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 3 xjuncts. [2018-12-01 15:33:25,995 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:33:26,449 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 [2018-12-01 15:33:26,457 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:26,471 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 [2018-12-01 15:33:26,471 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 3 xjuncts. [2018-12-01 15:33:26,517 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:26,519 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 [2018-12-01 15:33:26,519 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-12-01 15:33:26,544 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:33:26,551 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 2 case distinctions, treesize of input 41 treesize of output 45 [2018-12-01 15:33:26,554 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:26,554 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 [2018-12-01 15:33:26,554 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-12-01 15:33:26,578 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:26,586 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 [2018-12-01 15:33:26,586 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 3 xjuncts. [2018-12-01 15:33:26,612 INFO L267 ElimStorePlain]: Start of recursive call 18: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:33:26,863 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 [2018-12-01 15:33:26,866 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:26,866 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 [2018-12-01 15:33:26,867 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-12-01 15:33:26,894 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:26,902 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 [2018-12-01 15:33:26,903 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 3 xjuncts. [2018-12-01 15:33:26,929 INFO L267 ElimStorePlain]: Start of recursive call 21: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:33:26,940 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 [2018-12-01 15:33:26,948 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:26,956 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 [2018-12-01 15:33:26,957 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 3 xjuncts. [2018-12-01 15:33:26,994 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:26,995 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 [2018-12-01 15:33:26,996 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-12-01 15:33:27,022 INFO L267 ElimStorePlain]: Start of recursive call 24: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:33:27,262 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 [2018-12-01 15:33:27,266 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:27,267 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 [2018-12-01 15:33:27,267 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-12-01 15:33:27,276 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:33:27,277 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 [2018-12-01 15:33:27,280 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:27,280 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 [2018-12-01 15:33:27,280 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-12-01 15:33:27,288 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:33:27,421 INFO L267 ElimStorePlain]: Start of recursive call 8: 4 dim-1 vars, End of recursive call: and 14 xjuncts. [2018-12-01 15:33:27,540 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 14 xjuncts. [2018-12-01 15:33:27,682 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 14 xjuncts. [2018-12-01 15:33:28,677 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 [2018-12-01 15:33:28,680 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 [2018-12-01 15:33:28,680 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-12-01 15:33:28,730 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 [2018-12-01 15:33:28,733 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 [2018-12-01 15:33:28,733 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-12-01 15:33:28,803 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 [2018-12-01 15:33:28,803 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-12-01 15:33:32,280 WARN L180 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 462 DAG size of output: 219 [2018-12-01 15:33:32,293 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 89 treesize of output 93 [2018-12-01 15:33:32,300 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:32,309 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 89 treesize of output 108 [2018-12-01 15:33:32,310 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 3 xjuncts. [2018-12-01 15:33:32,385 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:32,386 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 [2018-12-01 15:33:32,386 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-12-01 15:33:32,430 INFO L267 ElimStorePlain]: Start of recursive call 36: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:33:32,438 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 86 treesize of output 90 [2018-12-01 15:33:32,440 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:32,441 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 84 treesize of output 84 [2018-12-01 15:33:32,441 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-12-01 15:33:32,493 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:32,501 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 [2018-12-01 15:33:32,502 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 3 xjuncts. [2018-12-01 15:33:32,540 INFO L267 ElimStorePlain]: Start of recursive call 39: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:33:33,696 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 [2018-12-01 15:33:33,700 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:33,700 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 [2018-12-01 15:33:33,700 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-12-01 15:33:33,736 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:33,746 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 [2018-12-01 15:33:33,747 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 3 xjuncts. [2018-12-01 15:33:33,793 INFO L267 ElimStorePlain]: Start of recursive call 42: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:33:33,801 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 [2018-12-01 15:33:33,806 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:33,815 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 [2018-12-01 15:33:33,815 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 3 xjuncts. [2018-12-01 15:33:33,872 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:33,872 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 [2018-12-01 15:33:33,872 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-12-01 15:33:33,910 INFO L267 ElimStorePlain]: Start of recursive call 45: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:33:35,103 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:35,106 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:35,120 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 [2018-12-01 15:33:35,132 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:35,152 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 [2018-12-01 15:33:35,153 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 5 xjuncts. [2018-12-01 15:33:35,357 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:35,366 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 [2018-12-01 15:33:35,367 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 3 xjuncts. [2018-12-01 15:33:35,475 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:35,484 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 [2018-12-01 15:33:35,485 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 3 xjuncts. [2018-12-01 15:33:35,611 INFO L267 ElimStorePlain]: Start of recursive call 48: 4 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-12-01 15:33:35,613 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:35,615 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:35,626 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 [2018-12-01 15:33:35,630 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:35,631 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 [2018-12-01 15:33:35,631 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-12-01 15:33:35,699 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:35,703 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:35,704 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:35,723 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 [2018-12-01 15:33:35,724 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 9 xjuncts. [2018-12-01 15:33:35,847 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:35,848 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-12-01 15:33:35,848 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-12-01 15:33:35,951 INFO L267 ElimStorePlain]: Start of recursive call 52: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:33:36,883 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 [2018-12-01 15:33:36,885 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:36,885 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 [2018-12-01 15:33:36,886 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-12-01 15:33:36,896 INFO L267 ElimStorePlain]: Start of recursive call 56: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:33:36,899 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 82 [2018-12-01 15:33:36,903 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:36,904 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 [2018-12-01 15:33:36,904 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-12-01 15:33:36,917 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:33:37,657 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 [2018-12-01 15:33:37,662 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:37,672 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 [2018-12-01 15:33:37,672 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 3 xjuncts. [2018-12-01 15:33:37,735 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:37,736 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 [2018-12-01 15:33:37,736 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-12-01 15:33:37,769 INFO L267 ElimStorePlain]: Start of recursive call 60: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:33:37,779 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 [2018-12-01 15:33:37,787 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:37,795 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 [2018-12-01 15:33:37,796 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 3 xjuncts. [2018-12-01 15:33:37,844 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:37,845 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 [2018-12-01 15:33:37,845 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-12-01 15:33:37,884 INFO L267 ElimStorePlain]: Start of recursive call 63: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:33:38,532 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 [2018-12-01 15:33:38,538 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:38,548 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 [2018-12-01 15:33:38,548 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 3 xjuncts. [2018-12-01 15:33:38,614 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:38,615 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 [2018-12-01 15:33:38,615 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-12-01 15:33:38,655 INFO L267 ElimStorePlain]: Start of recursive call 66: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:33:38,667 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 [2018-12-01 15:33:38,672 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:38,673 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 [2018-12-01 15:33:38,673 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-12-01 15:33:38,715 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:33:38,724 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 [2018-12-01 15:33:38,724 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 3 xjuncts. [2018-12-01 15:33:38,767 INFO L267 ElimStorePlain]: Start of recursive call 69: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:33:39,215 INFO L267 ElimStorePlain]: Start of recursive call 35: 6 dim-1 vars, End of recursive call: and 25 xjuncts. [2018-12-01 15:33:39,645 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 25 xjuncts. [2018-12-01 15:33:41,185 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 25 xjuncts. [2018-12-01 15:33:43,865 INFO L267 ElimStorePlain]: Start of recursive call 1: 20 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: 48 dim-0 vars, and 22 xjuncts. [2018-12-01 15:33:43,865 INFO L202 ElimStorePlain]: Needed 71 recursive calls to eliminate 24 variables, input treesize:319, output treesize:1242 [2018-12-01 15:33:44,288 WARN L180 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 154 [2018-12-01 15:33:44,289 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 15:33:44,289 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 19 loop predicates [2018-12-01 15:33:44,289 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 22 transitions. cyclomatic complexity: 4 Second operand 20 states. [2018-12-01 15:34:36,792 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 25 states. [2018-12-01 15:34:36,792 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 [2018-12-01 15:34:36,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-12-01 15:34:36,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 26 transitions. [2018-12-01 15:34:36,793 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 2 letters. Loop has 26 letters. [2018-12-01 15:34:36,795 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 15:34:36,795 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2018-12-01 15:34:36,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:34:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:34:36,807 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:34:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:34:36,831 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:34:36,853 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 [2018-12-01 15:34:36,855 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 [2018-12-01 15:34:36,855 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 15:34:36,890 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 [2018-12-01 15:34:36,890 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-01 15:34:36,928 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:34:36,929 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:34:36,938 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 [2018-12-01 15:34:36,941 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 [2018-12-01 15:34:36,942 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-01 15:34:36,964 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:34:36,969 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 [2018-12-01 15:34:36,970 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-12-01 15:34:36,985 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:34:37,045 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:34:37,052 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 [2018-12-01 15:34:37,054 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 [2018-12-01 15:34:37,054 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-01 15:34:37,074 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:34:37,078 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 [2018-12-01 15:34:37,078 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-12-01 15:34:37,094 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:34:37,107 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:34:37,120 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:34:37,120 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 1 variables, input treesize:67, output treesize:74 [2018-12-01 15:34:37,675 WARN L180 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-12-01 15:34:38,169 WARN L180 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-12-01 15:34:39,521 WARN L180 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-12-01 15:34:52,010 WARN L180 SmtUtils]: Spent 12.04 s on a formula simplification that was a NOOP. DAG size: 21 [2018-12-01 15:35:16,138 WARN L180 SmtUtils]: Spent 12.08 s on a formula simplification that was a NOOP. DAG size: 22 [2018-12-01 15:35:16,142 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 [2018-12-01 15:35:16,142 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:16,155 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. [2018-12-01 15:35:16,155 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:36, output treesize:35 [2018-12-01 15:35:28,341 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 [2018-12-01 15:35:28,342 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:28,352 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. [2018-12-01 15:35:28,352 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:70, output treesize:69 [2018-12-01 15:35:30,837 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:30,837 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 [2018-12-01 15:35:30,838 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:30,858 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. [2018-12-01 15:35:30,859 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 11 variables, input treesize:131, output treesize:130 [2018-12-01 15:35:31,217 WARN L180 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 110 [2018-12-01 15:35:31,220 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:31,221 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:31,222 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:31,225 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:31,226 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:31,227 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 [2018-12-01 15:35:31,227 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:31,363 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:31,364 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:31,365 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:31,365 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 [2018-12-01 15:35:31,365 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:31,489 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 [2018-12-01 15:35:31,491 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 [2018-12-01 15:35:31,492 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:31,519 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 [2018-12-01 15:35:31,521 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 [2018-12-01 15:35:31,521 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:31,563 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 [2018-12-01 15:35:31,564 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-01 15:35:32,422 WARN L180 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 136 [2018-12-01 15:35:32,431 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 [2018-12-01 15:35:32,442 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:32,451 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 53 treesize of output 67 [2018-12-01 15:35:32,452 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 3 xjuncts. [2018-12-01 15:35:32,506 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:32,506 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 [2018-12-01 15:35:32,507 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:32,530 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:35:32,543 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 [2018-12-01 15:35:32,548 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:32,548 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 54 treesize of output 59 [2018-12-01 15:35:32,548 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:32,584 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:32,594 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 [2018-12-01 15:35:32,595 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 3 xjuncts. [2018-12-01 15:35:32,633 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:35:33,095 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 [2018-12-01 15:35:33,100 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:33,108 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 [2018-12-01 15:35:33,109 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 3 xjuncts. [2018-12-01 15:35:33,147 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:33,148 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 [2018-12-01 15:35:33,148 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:33,170 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:35:33,182 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 [2018-12-01 15:35:33,186 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:33,186 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 [2018-12-01 15:35:33,187 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:33,218 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:33,227 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 [2018-12-01 15:35:33,228 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 3 xjuncts. [2018-12-01 15:35:33,262 INFO L267 ElimStorePlain]: Start of recursive call 18: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:35:33,637 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 [2018-12-01 15:35:33,645 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:33,662 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 [2018-12-01 15:35:33,663 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 3 xjuncts. [2018-12-01 15:35:33,749 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:33,750 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 [2018-12-01 15:35:33,750 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:33,850 INFO L267 ElimStorePlain]: Start of recursive call 21: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:35:33,890 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 [2018-12-01 15:35:33,914 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:33,934 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 [2018-12-01 15:35:33,935 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 3 xjuncts. [2018-12-01 15:35:34,049 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:34,051 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 [2018-12-01 15:35:34,051 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:34,091 INFO L267 ElimStorePlain]: Start of recursive call 24: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:35:34,358 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 [2018-12-01 15:35:34,362 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:34,362 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 [2018-12-01 15:35:34,362 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:34,371 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:35:34,373 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 [2018-12-01 15:35:34,375 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:34,375 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 [2018-12-01 15:35:34,376 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:34,382 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:35:34,537 INFO L267 ElimStorePlain]: Start of recursive call 8: 4 dim-1 vars, End of recursive call: and 14 xjuncts. [2018-12-01 15:35:34,678 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 14 xjuncts. [2018-12-01 15:35:34,994 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 14 xjuncts. [2018-12-01 15:35:35,769 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 [2018-12-01 15:35:35,771 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 [2018-12-01 15:35:35,771 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:35,814 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 [2018-12-01 15:35:35,816 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 [2018-12-01 15:35:35,816 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:35,893 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 [2018-12-01 15:35:35,893 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-12-01 15:35:39,268 WARN L180 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 462 DAG size of output: 219 [2018-12-01 15:35:39,272 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:39,275 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:39,286 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 [2018-12-01 15:35:39,290 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:39,291 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 [2018-12-01 15:35:39,292 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:39,419 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:39,420 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 [2018-12-01 15:35:39,420 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:39,473 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:39,477 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:39,478 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:39,494 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 [2018-12-01 15:35:39,495 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 9 xjuncts. [2018-12-01 15:35:39,567 INFO L267 ElimStorePlain]: Start of recursive call 36: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:35:39,571 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:39,575 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:39,588 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 [2018-12-01 15:35:39,603 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:39,621 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 86 treesize of output 116 [2018-12-01 15:35:39,623 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 5 xjuncts. [2018-12-01 15:35:39,862 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:39,871 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 [2018-12-01 15:35:39,872 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 3 xjuncts. [2018-12-01 15:35:39,986 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:39,994 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 [2018-12-01 15:35:39,995 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 3 xjuncts. [2018-12-01 15:35:40,107 INFO L267 ElimStorePlain]: Start of recursive call 40: 4 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-12-01 15:35:41,949 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 [2018-12-01 15:35:41,952 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:41,952 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 [2018-12-01 15:35:41,952 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:41,963 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:35:41,966 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 [2018-12-01 15:35:41,970 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:41,970 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 [2018-12-01 15:35:41,971 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:41,984 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:35:43,034 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 [2018-12-01 15:35:43,040 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:43,048 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 [2018-12-01 15:35:43,049 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 3 xjuncts. [2018-12-01 15:35:43,107 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:43,107 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 [2018-12-01 15:35:43,108 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:43,141 INFO L267 ElimStorePlain]: Start of recursive call 48: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:35:43,153 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 [2018-12-01 15:35:43,162 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:43,172 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 67 treesize of output 86 [2018-12-01 15:35:43,173 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 3 xjuncts. [2018-12-01 15:35:43,231 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:43,232 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 [2018-12-01 15:35:43,232 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:43,276 INFO L267 ElimStorePlain]: Start of recursive call 51: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:35:44,254 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 2 case distinctions, treesize of input 66 treesize of output 70 [2018-12-01 15:35:44,259 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:44,268 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 [2018-12-01 15:35:44,268 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 3 xjuncts. [2018-12-01 15:35:44,326 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:44,326 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 [2018-12-01 15:35:44,326 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:44,365 INFO L267 ElimStorePlain]: Start of recursive call 54: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:35:44,377 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 [2018-12-01 15:35:44,385 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:44,394 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 [2018-12-01 15:35:44,394 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 3 xjuncts. [2018-12-01 15:35:44,456 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:44,456 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 [2018-12-01 15:35:44,456 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:44,508 INFO L267 ElimStorePlain]: Start of recursive call 57: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:35:45,287 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 [2018-12-01 15:35:45,292 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:45,303 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 [2018-12-01 15:35:45,304 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 3 xjuncts. [2018-12-01 15:35:45,360 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:45,361 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 [2018-12-01 15:35:45,361 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:45,395 INFO L267 ElimStorePlain]: Start of recursive call 60: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:35:45,406 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 [2018-12-01 15:35:45,410 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:45,411 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 [2018-12-01 15:35:45,411 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:45,449 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:45,459 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 [2018-12-01 15:35:45,459 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 3 xjuncts. [2018-12-01 15:35:45,507 INFO L267 ElimStorePlain]: Start of recursive call 63: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:35:46,111 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-12-01 15:35:46,116 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:46,126 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 [2018-12-01 15:35:46,126 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 3 xjuncts. [2018-12-01 15:35:46,188 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:46,189 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 [2018-12-01 15:35:46,189 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:46,228 INFO L267 ElimStorePlain]: Start of recursive call 66: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:35:46,242 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 [2018-12-01 15:35:46,247 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:46,248 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 [2018-12-01 15:35:46,248 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-12-01 15:35:46,296 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:35:46,307 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 [2018-12-01 15:35:46,308 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 3 xjuncts. [2018-12-01 15:35:46,366 INFO L267 ElimStorePlain]: Start of recursive call 69: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:35:46,868 INFO L267 ElimStorePlain]: Start of recursive call 35: 6 dim-1 vars, End of recursive call: and 25 xjuncts. [2018-12-01 15:35:48,275 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 25 xjuncts. [2018-12-01 15:35:50,663 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 25 xjuncts. [2018-12-01 15:35:52,867 INFO L267 ElimStorePlain]: Start of recursive call 1: 20 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: 56 dim-0 vars, and 26 xjuncts. [2018-12-01 15:35:52,868 INFO L202 ElimStorePlain]: Needed 71 recursive calls to eliminate 24 variables, input treesize:319, output treesize:1466 [2018-12-01 15:35:53,326 WARN L180 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 154 [2018-12-01 15:35:53,327 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 15:35:53,327 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 19 loop predicates [2018-12-01 15:35:53,327 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 22 transitions. cyclomatic complexity: 4 Second operand 20 states. [2018-12-01 15:36:46,448 WARN L180 SmtUtils]: Spent 12.09 s on a formula simplification that was a NOOP. DAG size: 27 [2018-12-01 15:36:49,261 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 31 states. [2018-12-01 15:36:49,262 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 [2018-12-01 15:36:49,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-12-01 15:36:49,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 26 transitions. [2018-12-01 15:36:49,262 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 26 transitions. Stem has 2 letters. Loop has 26 letters. [2018-12-01 15:36:49,263 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 15:36:49,263 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2018-12-01 15:36:49,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:36:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:36:49,275 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:36:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:36:49,300 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:36:49,322 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 [2018-12-01 15:36:49,325 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 [2018-12-01 15:36:49,325 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 15:36:49,358 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 [2018-12-01 15:36:49,358 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-01 15:36:49,394 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:36:49,395 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:36:49,402 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 [2018-12-01 15:36:49,406 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 [2018-12-01 15:36:49,406 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-01 15:36:49,431 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:36:49,435 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 35 [2018-12-01 15:36:49,436 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-12-01 15:36:49,453 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:36:49,485 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:36:49,492 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 [2018-12-01 15:36:49,494 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 [2018-12-01 15:36:49,494 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-01 15:36:49,513 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:36:49,517 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 [2018-12-01 15:36:49,518 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-12-01 15:36:49,533 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:36:49,553 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:36:49,565 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:36:49,565 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 1 variables, input treesize:67, output treesize:74 [2018-12-01 15:36:50,110 WARN L180 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-12-01 15:36:50,596 WARN L180 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-12-01 15:36:51,899 WARN L180 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-12-01 15:37:04,358 WARN L180 SmtUtils]: Spent 12.02 s on a formula simplification that was a NOOP. DAG size: 21 [2018-12-01 15:37:28,507 WARN L180 SmtUtils]: Spent 12.08 s on a formula simplification that was a NOOP. DAG size: 22 [2018-12-01 15:37:28,512 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 6 treesize of output 5 [2018-12-01 15:37:28,512 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:28,520 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. [2018-12-01 15:37:28,520 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:36, output treesize:35 [2018-12-01 15:37:40,686 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 [2018-12-01 15:37:40,686 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:40,695 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. [2018-12-01 15:37:40,695 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:70, output treesize:69 [2018-12-01 15:37:42,983 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:42,983 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 [2018-12-01 15:37:42,983 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:43,000 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. [2018-12-01 15:37:43,001 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 11 variables, input treesize:131, output treesize:130 [2018-12-01 15:37:43,304 WARN L180 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 110 [2018-12-01 15:37:43,308 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:43,309 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:43,310 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:43,310 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 [2018-12-01 15:37:43,311 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:43,427 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:43,428 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:43,430 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:43,430 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:43,431 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:43,432 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 [2018-12-01 15:37:43,432 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:43,550 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 [2018-12-01 15:37:43,552 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 [2018-12-01 15:37:43,552 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:43,579 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 [2018-12-01 15:37:43,581 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 [2018-12-01 15:37:43,581 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:43,626 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 [2018-12-01 15:37:43,627 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-01 15:37:44,384 WARN L180 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 136 [2018-12-01 15:37:44,395 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 [2018-12-01 15:37:44,397 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:44,398 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 [2018-12-01 15:37:44,398 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:44,434 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:44,443 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 [2018-12-01 15:37:44,444 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 3 xjuncts. [2018-12-01 15:37:44,475 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:37:44,488 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 [2018-12-01 15:37:44,492 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:44,492 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 54 treesize of output 59 [2018-12-01 15:37:44,492 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:44,523 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:44,532 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 [2018-12-01 15:37:44,533 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 3 xjuncts. [2018-12-01 15:37:44,563 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:37:44,956 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 [2018-12-01 15:37:44,959 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:44,960 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 [2018-12-01 15:37:44,960 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:44,997 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:45,010 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 [2018-12-01 15:37:45,010 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 3 xjuncts. [2018-12-01 15:37:45,051 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:37:45,068 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 [2018-12-01 15:37:45,073 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:45,074 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 [2018-12-01 15:37:45,074 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:45,116 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:45,129 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 [2018-12-01 15:37:45,130 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 3 xjuncts. [2018-12-01 15:37:45,185 INFO L267 ElimStorePlain]: Start of recursive call 18: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:37:45,904 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 [2018-12-01 15:37:45,913 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:45,914 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 [2018-12-01 15:37:45,914 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:45,932 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:37:45,935 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 [2018-12-01 15:37:45,939 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:45,939 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 [2018-12-01 15:37:45,940 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:45,953 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:37:46,169 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 [2018-12-01 15:37:46,177 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:46,185 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 [2018-12-01 15:37:46,186 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 3 xjuncts. [2018-12-01 15:37:46,222 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:46,222 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 [2018-12-01 15:37:46,222 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:46,248 INFO L267 ElimStorePlain]: Start of recursive call 25: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:37:46,255 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 [2018-12-01 15:37:46,259 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:46,267 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 [2018-12-01 15:37:46,268 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 3 xjuncts. [2018-12-01 15:37:46,311 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:46,312 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 [2018-12-01 15:37:46,312 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:46,333 INFO L267 ElimStorePlain]: Start of recursive call 28: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:37:46,478 INFO L267 ElimStorePlain]: Start of recursive call 8: 4 dim-1 vars, End of recursive call: and 14 xjuncts. [2018-12-01 15:37:46,599 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 14 xjuncts. [2018-12-01 15:37:46,737 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 14 xjuncts. [2018-12-01 15:37:47,473 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 [2018-12-01 15:37:47,476 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 [2018-12-01 15:37:47,476 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:47,543 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 [2018-12-01 15:37:47,546 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 [2018-12-01 15:37:47,547 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:47,662 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 [2018-12-01 15:37:47,663 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-12-01 15:37:51,181 WARN L180 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 462 DAG size of output: 219 [2018-12-01 15:37:51,192 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 [2018-12-01 15:37:51,197 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:51,204 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 [2018-12-01 15:37:51,205 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 3 xjuncts. [2018-12-01 15:37:51,276 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:51,277 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 [2018-12-01 15:37:51,277 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:51,307 INFO L267 ElimStorePlain]: Start of recursive call 36: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:37:51,319 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 [2018-12-01 15:37:51,323 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:51,323 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 [2018-12-01 15:37:51,323 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:51,371 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:51,379 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 [2018-12-01 15:37:51,380 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 3 xjuncts. [2018-12-01 15:37:51,425 INFO L267 ElimStorePlain]: Start of recursive call 39: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:37:52,742 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 [2018-12-01 15:37:52,748 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:52,755 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 0 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 78 [2018-12-01 15:37:52,755 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 3 xjuncts. [2018-12-01 15:37:52,808 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:52,808 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 [2018-12-01 15:37:52,809 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:52,848 INFO L267 ElimStorePlain]: Start of recursive call 42: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:37:52,859 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 [2018-12-01 15:37:52,863 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:52,864 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 [2018-12-01 15:37:52,864 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:52,901 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:52,910 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 [2018-12-01 15:37:52,910 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 3 xjuncts. [2018-12-01 15:37:52,954 INFO L267 ElimStorePlain]: Start of recursive call 45: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:37:53,949 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:53,954 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:53,968 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 [2018-12-01 15:37:53,988 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:54,005 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 [2018-12-01 15:37:54,006 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 5 xjuncts. [2018-12-01 15:37:54,128 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:54,137 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 [2018-12-01 15:37:54,137 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 3 xjuncts. [2018-12-01 15:37:54,350 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:54,358 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 [2018-12-01 15:37:54,359 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 3 xjuncts. [2018-12-01 15:37:54,477 INFO L267 ElimStorePlain]: Start of recursive call 48: 4 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-12-01 15:37:54,479 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:54,481 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:54,491 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 [2018-12-01 15:37:54,499 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:54,515 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 71 treesize of output 96 [2018-12-01 15:37:54,516 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 9 xjuncts. [2018-12-01 15:37:54,649 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:54,650 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 [2018-12-01 15:37:54,650 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:54,726 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:54,727 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 [2018-12-01 15:37:54,728 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:54,828 INFO L267 ElimStorePlain]: Start of recursive call 52: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:37:55,963 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 [2018-12-01 15:37:55,968 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:55,977 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 [2018-12-01 15:37:55,977 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 3 xjuncts. [2018-12-01 15:37:56,033 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:56,034 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 [2018-12-01 15:37:56,034 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:56,070 INFO L267 ElimStorePlain]: Start of recursive call 56: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:37:56,081 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 1 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 73 [2018-12-01 15:37:56,089 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:56,099 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 [2018-12-01 15:37:56,099 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 3 xjuncts. [2018-12-01 15:37:56,160 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:56,161 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 [2018-12-01 15:37:56,161 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:56,205 INFO L267 ElimStorePlain]: Start of recursive call 59: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:37:57,163 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 [2018-12-01 15:37:57,172 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:57,181 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 [2018-12-01 15:37:57,182 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 3 xjuncts. [2018-12-01 15:37:57,238 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:57,238 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 [2018-12-01 15:37:57,239 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:57,281 INFO L267 ElimStorePlain]: Start of recursive call 62: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-01 15:37:57,289 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 [2018-12-01 15:37:57,294 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:57,303 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 [2018-12-01 15:37:57,303 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 3 xjuncts. [2018-12-01 15:37:57,361 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:57,361 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 [2018-12-01 15:37:57,362 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:57,394 INFO L267 ElimStorePlain]: Start of recursive call 65: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 15:37:58,274 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 [2018-12-01 15:37:58,278 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:58,278 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-12-01 15:37:58,278 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:58,292 INFO L267 ElimStorePlain]: Start of recursive call 68: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:37:58,294 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 [2018-12-01 15:37:58,296 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 15:37:58,296 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 [2018-12-01 15:37:58,296 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-12-01 15:37:58,307 INFO L267 ElimStorePlain]: Start of recursive call 70: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 15:37:58,819 INFO L267 ElimStorePlain]: Start of recursive call 35: 6 dim-1 vars, End of recursive call: and 25 xjuncts. [2018-12-01 15:37:59,241 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 25 xjuncts. [2018-12-01 15:37:59,740 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 25 xjuncts. [2018-12-01 15:38:02,257 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. [2018-12-01 15:38:02,258 INFO L202 ElimStorePlain]: Needed 71 recursive calls to eliminate 24 variables, input treesize:319, output treesize:1364 [2018-12-01 15:38:02,664 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 481 DAG size of output: 153 [2018-12-01 15:38:02,664 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 15:38:02,665 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 [2018-12-01 15:38:02,665 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 20 states and 22 transitions. cyclomatic complexity: 4 Second operand 20 states. [2018-12-01 15:38:30,061 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:38:30,062 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:06,403 WARN L180 SmtUtils]: Spent 12.09 s on a formula simplification that was a NOOP. DAG size: 27 [2018-12-01 15:39:06,424 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:06,426 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:06,427 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:06,433 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:06,434 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:06,434 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:06,435 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:06,441 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:06,446 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:06,447 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:06,450 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:06,451 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:06,452 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:09,690 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:09,691 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:09,695 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:09,696 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:09,697 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:09,700 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:09,700 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:09,701 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:09,702 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:09,776 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:09,777 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:09,777 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:09,778 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:09,779 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:09,780 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:09,782 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:09,782 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:09,784 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:09,785 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:09,786 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:09,787 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:09,788 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:09,789 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:09,790 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:09,791 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:09,791 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:09,792 WARN L278 uchiComplementFKVNwa]: big8 [2018-12-01 15:39:09,797 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 848 states 19 powerset states829 rank states. The highest rank that occured is 7 [2018-12-01 15:39:09,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 1 stem states 9 non-accepting loop states 1 accepting loop states [2018-12-01 15:39:09,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-12-01 15:39:09,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 50 transitions. [2018-12-01 15:39:09,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 50 transitions. Stem has 2 letters. Loop has 26 letters. [2018-12-01 15:39:09,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 15:39:09,800 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2018-12-01 15:39:09,801 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) [2018-12-01 15:39:09,804 INFO L168 Benchmark]: Toolchain (without parser) took 550802.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -120.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2018-12-01 15:39:09,804 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:39:09,804 INFO L168 Benchmark]: CACSL2BoogieTranslator took 137.06 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-01 15:39:09,805 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.48 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:39:09,805 INFO L168 Benchmark]: Boogie Preprocessor took 41.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -160.7 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-12-01 15:39:09,805 INFO L168 Benchmark]: RCFGBuilder took 143.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-01 15:39:09,805 INFO L168 Benchmark]: BuchiAutomizer took 550458.58 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 35.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 49.6 MB. Max. memory is 11.5 GB. [2018-12-01 15:39:09,807 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 137.06 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.48 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -160.7 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 143.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 550458.58 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 35.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 49.6 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...