./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/sum_array_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops/sum_array_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b9d5b899329d226cc122e0e630838bf1a0468fd ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops/sum_array_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b9d5b899329d226cc122e0e630838bf1a0468fd ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimArr_16 input size 96 context size 96 output size 96 --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:37:47,527 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:37:47,528 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:37:47,535 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:37:47,535 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:37:47,536 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:37:47,537 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:37:47,538 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:37:47,539 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:37:47,540 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:37:47,540 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:37:47,540 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:37:47,541 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:37:47,542 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:37:47,542 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:37:47,542 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:37:47,543 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:37:47,544 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:37:47,545 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:37:47,547 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:37:47,547 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:37:47,548 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:37:47,549 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:37:47,549 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:37:47,549 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:37:47,550 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:37:47,550 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:37:47,551 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:37:47,551 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:37:47,552 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:37:47,552 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:37:47,552 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:37:47,552 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:37:47,553 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:37:47,553 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:37:47,553 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:37:47,554 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 07:37:47,563 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:37:47,564 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:37:47,564 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:37:47,564 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:37:47,564 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 07:37:47,565 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 07:37:47,565 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 07:37:47,565 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 07:37:47,565 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 07:37:47,565 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 07:37:47,565 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 07:37:47,565 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 07:37:47,565 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 07:37:47,566 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:37:47,566 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:37:47,566 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:37:47,566 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:37:47,566 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:37:47,567 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:37:47,567 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:37:47,567 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:37:47,567 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:37:47,567 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:37:47,567 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:37:47,567 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:37:47,567 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:37:47,568 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:37:47,568 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:37:47,568 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:37:47,568 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:37:47,568 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:37:47,568 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:37:47,568 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:37:47,568 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 07:37:47,569 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:37:47,569 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:37:47,569 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 07:37:47,569 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan 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(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b9d5b899329d226cc122e0e630838bf1a0468fd [2018-11-23 07:37:47,592 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:37:47,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:37:47,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:37:47,605 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:37:47,605 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:37:47,605 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/../../sv-benchmarks/c/loops/sum_array_true-unreach-call.i [2018-11-23 07:37:47,647 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/data/f730fcdc2/84d90b63eb5740a8835ecef45dc6faf7/FLAG97ee112d1 [2018-11-23 07:37:48,062 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:37:48,063 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/sv-benchmarks/c/loops/sum_array_true-unreach-call.i [2018-11-23 07:37:48,068 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/data/f730fcdc2/84d90b63eb5740a8835ecef45dc6faf7/FLAG97ee112d1 [2018-11-23 07:37:48,080 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/data/f730fcdc2/84d90b63eb5740a8835ecef45dc6faf7 [2018-11-23 07:37:48,082 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:37:48,083 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:37:48,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:37:48,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:37:48,087 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:37:48,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:37:48" (1/1) ... [2018-11-23 07:37:48,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342d28a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:48, skipping insertion in model container [2018-11-23 07:37:48,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:37:48" (1/1) ... [2018-11-23 07:37:48,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:37:48,114 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:37:48,221 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:37:48,223 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:37:48,237 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:37:48,248 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:37:48,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:48 WrapperNode [2018-11-23 07:37:48,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:37:48,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:37:48,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:37:48,249 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:37:48,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:48" (1/1) ... [2018-11-23 07:37:48,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:48" (1/1) ... [2018-11-23 07:37:48,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:37:48,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:37:48,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:37:48,266 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:37:48,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:48" (1/1) ... [2018-11-23 07:37:48,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:48" (1/1) ... [2018-11-23 07:37:48,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:48" (1/1) ... [2018-11-23 07:37:48,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:48" (1/1) ... [2018-11-23 07:37:48,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:48" (1/1) ... [2018-11-23 07:37:48,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:48" (1/1) ... [2018-11-23 07:37:48,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:48" (1/1) ... [2018-11-23 07:37:48,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:37:48,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:37:48,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:37:48,323 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:37:48,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 07:37:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 07:37:48,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 07:37:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:37:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:37:48,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:37:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 07:37:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 07:37:48,357 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 07:37:48,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 07:37:48,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 07:37:48,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 07:37:48,518 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:37:48,518 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 07:37:48,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:37:48 BoogieIcfgContainer [2018-11-23 07:37:48,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:37:48,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:37:48,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:37:48,521 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:37:48,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:37:48" (1/3) ... [2018-11-23 07:37:48,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@109c5ae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:37:48, skipping insertion in model container [2018-11-23 07:37:48,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:37:48" (2/3) ... [2018-11-23 07:37:48,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@109c5ae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:37:48, skipping insertion in model container [2018-11-23 07:37:48,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:37:48" (3/3) ... [2018-11-23 07:37:48,524 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_array_true-unreach-call.i [2018-11-23 07:37:48,531 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:37:48,536 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 07:37:48,545 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 07:37:48,563 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:37:48,563 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:37:48,563 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:37:48,563 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:37:48,563 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:37:48,563 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:37:48,563 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:37:48,563 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:37:48,577 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2018-11-23 07:37:48,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 07:37:48,580 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:37:48,581 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:37:48,582 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:37:48,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:37:48,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1823924036, now seen corresponding path program 1 times [2018-11-23 07:37:48,588 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:37:48,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:37:48,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:37:48,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:37:48,619 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:37:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:37:48,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:37:48,680 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:37:48,680 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 07:37:48,680 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:37:48,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 07:37:48,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 07:37:48,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 07:37:48,695 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 2 states. [2018-11-23 07:37:48,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:37:48,708 INFO L93 Difference]: Finished difference Result 55 states and 73 transitions. [2018-11-23 07:37:48,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 07:37:48,709 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-11-23 07:37:48,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:37:48,714 INFO L225 Difference]: With dead ends: 55 [2018-11-23 07:37:48,714 INFO L226 Difference]: Without dead ends: 27 [2018-11-23 07:37:48,716 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 07:37:48,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-11-23 07:37:48,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-11-23 07:37:48,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-23 07:37:48,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2018-11-23 07:37:48,739 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 17 [2018-11-23 07:37:48,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:37:48,740 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2018-11-23 07:37:48,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 07:37:48,740 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2018-11-23 07:37:48,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 07:37:48,740 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:37:48,740 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:37:48,741 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:37:48,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:37:48,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1169658974, now seen corresponding path program 1 times [2018-11-23 07:37:48,741 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:37:48,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:37:48,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:37:48,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:37:48,742 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:37:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:37:48,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:37:48,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:37:48,825 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 07:37:48,825 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:37:48,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 07:37:48,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 07:37:48,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 07:37:48,827 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand 4 states. [2018-11-23 07:37:48,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:37:48,921 INFO L93 Difference]: Finished difference Result 62 states and 73 transitions. [2018-11-23 07:37:48,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 07:37:48,922 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-11-23 07:37:48,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:37:48,924 INFO L225 Difference]: With dead ends: 62 [2018-11-23 07:37:48,924 INFO L226 Difference]: Without dead ends: 39 [2018-11-23 07:37:48,924 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 07:37:48,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-11-23 07:37:48,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 30. [2018-11-23 07:37:48,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-11-23 07:37:48,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2018-11-23 07:37:48,933 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 17 [2018-11-23 07:37:48,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:37:48,933 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2018-11-23 07:37:48,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 07:37:48,933 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2018-11-23 07:37:48,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 07:37:48,934 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:37:48,934 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:37:48,934 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:37:48,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:37:48,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1835570138, now seen corresponding path program 1 times [2018-11-23 07:37:48,934 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:37:48,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:37:48,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:37:48,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:37:48,935 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:37:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:37:49,541 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 42 [2018-11-23 07:37:49,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 07:37:49,783 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:37:49,783 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:37:49,784 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 26 with the following transitions: [2018-11-23 07:37:49,785 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [11], [13], [17], [19], [23], [29], [31], [35], [37], [41], [47], [49], [51], [55], [63], [73], [76], [78], [84], [85], [86], [88] [2018-11-23 07:37:49,816 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:37:49,816 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:37:50,017 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 07:37:50,018 INFO L272 AbstractInterpreter]: Visited 25 different actions 67 times. Merged at 11 different actions 33 times. Widened at 3 different actions 3 times. Performed 352 root evaluator evaluations with a maximum evaluation depth of 5. Performed 352 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 12 fixpoints after 6 different actions. Largest state had 31 variables. [2018-11-23 07:37:50,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:37:50,025 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 07:37:50,025 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:37:50,025 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 07:37:50,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:37:50,040 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 07:37:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:37:50,066 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:37:50,095 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:37:50,098 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 29 [2018-11-23 07:37:50,121 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:37:50,128 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:37:50,128 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 16 treesize of output 13 [2018-11-23 07:37:50,129 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:37:50,133 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:37:50,137 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:37:50,137 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:20, output treesize:13 [2018-11-23 07:37:50,177 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2018-11-23 07:37:50,179 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 18 treesize of output 17 [2018-11-23 07:37:50,179 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:37:50,183 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:37:50,193 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:37:50,194 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:34, output treesize:30 [2018-11-23 07:37:50,233 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 39 [2018-11-23 07:37:50,236 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 17 treesize of output 10 [2018-11-23 07:37:50,237 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:37:50,247 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 16 treesize of output 7 [2018-11-23 07:37:50,247 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 07:37:50,251 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 13 treesize of output 6 [2018-11-23 07:37:50,251 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 07:37:50,252 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:37:50,256 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:37:50,257 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:51, output treesize:6 [2018-11-23 07:37:50,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:37:50,277 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:37:50,628 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2018-11-23 07:37:50,716 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 94 treesize of output 90 [2018-11-23 07:37:50,823 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2018-11-23 07:37:50,833 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 62 [2018-11-23 07:37:50,835 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 07:37:50,881 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 59 [2018-11-23 07:37:50,882 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-23 07:37:50,927 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:37:50,957 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 4 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 132 [2018-11-23 07:37:50,970 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 32 xjuncts. [2018-11-23 07:37:51,029 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:37:51,041 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 72 [2018-11-23 07:37:51,141 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2018-11-23 07:37:51,141 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-23 07:37:51,210 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2018-11-23 07:37:51,210 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 07:37:51,239 INFO L267 ElimStorePlain]: Start of recursive call 6: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:37:51,250 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 122 treesize of output 116 [2018-11-23 07:37:51,355 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:37:51,357 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:37:51,389 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 53 treesize of output 145 [2018-11-23 07:37:51,389 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-23 07:37:51,483 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 256 xjuncts. [2018-11-23 07:37:52,662 INFO L267 ElimStorePlain]: Start of recursive call 9: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:37:52,669 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 197 treesize of output 173 [2018-11-23 07:37:52,739 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:37:52,739 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:37:52,740 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:37:52,744 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 91 [2018-11-23 07:37:52,745 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-23 07:37:52,800 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:37:52,802 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:37:52,804 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:37:52,807 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:37:52,838 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 91 treesize of output 179 [2018-11-23 07:37:52,838 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-23 07:37:52,864 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 64 xjuncts. [2018-11-23 07:37:53,048 INFO L267 ElimStorePlain]: Start of recursive call 11: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:37:53,059 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 72 [2018-11-23 07:37:53,180 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 53 [2018-11-23 07:37:53,183 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2018-11-23 07:37:53,183 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-23 07:37:53,261 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 40 [2018-11-23 07:37:53,261 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 07:37:53,308 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 54 [2018-11-23 07:37:53,310 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 8 xjuncts. [2018-11-23 07:37:53,344 INFO L267 ElimStorePlain]: Start of recursive call 14: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:37:53,354 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 214 treesize of output 188 [2018-11-23 07:37:53,503 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2018-11-23 07:37:53,506 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:37:53,507 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:37:53,510 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:37:53,520 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 85 treesize of output 99 [2018-11-23 07:37:53,521 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-11-23 07:37:53,534 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:37:53,536 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:37:53,538 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:37:53,540 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:37:53,571 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 106 treesize of output 180 [2018-11-23 07:37:53,571 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-23 07:37:53,592 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 64 xjuncts. [2018-11-23 07:37:53,675 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 5 new quantified variables, introduced 10 case distinctions, treesize of input 104 treesize of output 200 [2018-11-23 07:37:53,675 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-11-23 07:37:53,917 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 512 xjuncts. [2018-11-23 07:37:58,484 INFO L267 ElimStorePlain]: Start of recursive call 18: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:37:58,517 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 128 treesize of output 130 [2018-11-23 07:37:58,786 WARN L180 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 116 [2018-11-23 07:37:58,791 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:37:58,793 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:37:58,832 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 62 treesize of output 154 [2018-11-23 07:37:58,833 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-23 07:37:58,907 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 256 xjuncts. [2018-11-23 07:38:00,165 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:00,168 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:00,204 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 62 treesize of output 154 [2018-11-23 07:38:00,205 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-23 07:38:00,276 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 256 xjuncts. [2018-11-23 07:38:01,696 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:01,699 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:01,736 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 59 treesize of output 151 [2018-11-23 07:38:01,736 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-23 07:38:01,817 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 256 xjuncts. [2018-11-23 07:38:02,798 INFO L267 ElimStorePlain]: Start of recursive call 22: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:02,812 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 248 treesize of output 228 [2018-11-23 07:38:03,153 WARN L180 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 163 [2018-11-23 07:38:03,155 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:03,156 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 93 [2018-11-23 07:38:03,157 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 07:38:03,271 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:03,277 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:03,316 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 106 treesize of output 160 [2018-11-23 07:38:03,316 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-23 07:38:03,382 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 256 xjuncts. [2018-11-23 07:38:04,602 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 98 [2018-11-23 07:38:04,603 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:04,689 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:04,692 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:04,725 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 103 treesize of output 157 [2018-11-23 07:38:04,726 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-23 07:38:04,772 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 256 xjuncts. [2018-11-23 07:38:05,801 INFO L267 ElimStorePlain]: Start of recursive call 26: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:05,814 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 192 treesize of output 184 [2018-11-23 07:38:06,114 WARN L180 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 149 [2018-11-23 07:38:06,118 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:06,121 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:06,156 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 86 treesize of output 160 [2018-11-23 07:38:06,156 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-23 07:38:06,203 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 256 xjuncts. [2018-11-23 07:38:07,211 INFO L267 ElimStorePlain]: Start of recursive call 31: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:07,218 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 149 treesize of output 135 [2018-11-23 07:38:07,323 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 97 treesize of output 85 [2018-11-23 07:38:07,324 INFO L267 ElimStorePlain]: Start of recursive call 34: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-11-23 07:38:07,326 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:38:07,327 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 71 [2018-11-23 07:38:07,328 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 07:38:07,329 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:07,331 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 83 treesize of output 74 [2018-11-23 07:38:07,332 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 07:38:07,400 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:07,401 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 50 [2018-11-23 07:38:07,401 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:07,404 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:07,406 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 64 treesize of output 55 [2018-11-23 07:38:07,406 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:07,413 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 64 [2018-11-23 07:38:07,413 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 2 xjuncts. [2018-11-23 07:38:07,416 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:38:07,416 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 50 [2018-11-23 07:38:07,417 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 07:38:07,457 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:07,460 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:07,476 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 4 new quantified variables, introduced 4 case distinctions, treesize of input 80 treesize of output 128 [2018-11-23 07:38:07,479 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 16 xjuncts. [2018-11-23 07:38:07,488 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:38:07,491 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:38:07,496 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 2 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 75 [2018-11-23 07:38:07,497 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 2 xjuncts. [2018-11-23 07:38:07,534 INFO L267 ElimStorePlain]: Start of recursive call 33: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 07:38:07,536 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 88 [2018-11-23 07:38:07,566 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:38:07,570 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 42 [2018-11-23 07:38:07,571 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 2 xjuncts. [2018-11-23 07:38:07,577 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:07,592 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 86 [2018-11-23 07:38:07,780 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 83 [2018-11-23 07:38:07,782 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 49 [2018-11-23 07:38:07,782 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:07,853 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 46 [2018-11-23 07:38:07,853 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:08,024 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 60 [2018-11-23 07:38:08,025 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 8 xjuncts. [2018-11-23 07:38:08,076 INFO L267 ElimStorePlain]: Start of recursive call 45: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:08,079 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 76 [2018-11-23 07:38:08,099 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 31 [2018-11-23 07:38:08,099 INFO L267 ElimStorePlain]: Start of recursive call 50: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 07:38:08,111 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 28 [2018-11-23 07:38:08,111 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 2 xjuncts. [2018-11-23 07:38:08,119 INFO L267 ElimStorePlain]: Start of recursive call 49: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 07:38:08,129 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 187 treesize of output 169 [2018-11-23 07:38:08,247 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 77 [2018-11-23 07:38:08,249 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:08,251 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:08,267 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 82 treesize of output 116 [2018-11-23 07:38:08,272 INFO L267 ElimStorePlain]: Start of recursive call 53: 14 dim-0 vars, End of recursive call: 14 dim-0 vars, and 16 xjuncts. [2018-11-23 07:38:08,389 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:08,397 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 82 treesize of output 87 [2018-11-23 07:38:08,398 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 4 xjuncts. [2018-11-23 07:38:08,499 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:08,500 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 74 [2018-11-23 07:38:08,501 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:08,585 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2018-11-23 07:38:08,585 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:08,587 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2018-11-23 07:38:08,587 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:08,588 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2018-11-23 07:38:08,589 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:08,590 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2018-11-23 07:38:08,590 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:08,634 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:08,638 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:08,669 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 79 treesize of output 151 [2018-11-23 07:38:08,670 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-23 07:38:08,711 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 256 xjuncts. [2018-11-23 07:38:09,636 INFO L267 ElimStorePlain]: Start of recursive call 52: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:09,646 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 186 treesize of output 170 [2018-11-23 07:38:09,769 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 86 [2018-11-23 07:38:09,770 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 80 [2018-11-23 07:38:09,771 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:09,807 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:09,810 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:09,826 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 4 new quantified variables, introduced 4 case distinctions, treesize of input 83 treesize of output 119 [2018-11-23 07:38:09,831 INFO L267 ElimStorePlain]: Start of recursive call 63: 25 dim-0 vars, End of recursive call: 25 dim-0 vars, and 16 xjuncts. [2018-11-23 07:38:10,130 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:10,131 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 72 [2018-11-23 07:38:10,132 INFO L267 ElimStorePlain]: Start of recursive call 64: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 07:38:10,392 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 44 [2018-11-23 07:38:10,393 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 2 xjuncts. [2018-11-23 07:38:10,849 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 42 [2018-11-23 07:38:10,849 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:10,851 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 40 [2018-11-23 07:38:10,852 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:10,853 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2018-11-23 07:38:10,853 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:10,855 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 44 [2018-11-23 07:38:10,855 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:10,856 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 42 [2018-11-23 07:38:10,856 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:10,858 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 42 [2018-11-23 07:38:10,858 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:10,859 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 39 [2018-11-23 07:38:10,859 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:10,861 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 36 [2018-11-23 07:38:10,861 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:10,862 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2018-11-23 07:38:10,863 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:10,864 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2018-11-23 07:38:10,864 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:10,865 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 71 [2018-11-23 07:38:10,866 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:10,867 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 63 [2018-11-23 07:38:10,867 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:10,869 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 63 [2018-11-23 07:38:10,869 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:10,871 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 46 [2018-11-23 07:38:10,871 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:10,873 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 53 [2018-11-23 07:38:10,873 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:10,875 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 48 [2018-11-23 07:38:10,875 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:10,898 INFO L267 ElimStorePlain]: Start of recursive call 61: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:10,907 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 122 treesize of output 116 [2018-11-23 07:38:11,006 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:11,008 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:11,038 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 53 treesize of output 145 [2018-11-23 07:38:11,039 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-23 07:38:11,087 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 256 xjuncts. [2018-11-23 07:38:12,075 INFO L267 ElimStorePlain]: Start of recursive call 82: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:12,081 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 149 treesize of output 135 [2018-11-23 07:38:12,147 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:38:12,148 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 70 [2018-11-23 07:38:12,148 INFO L267 ElimStorePlain]: Start of recursive call 85: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 07:38:12,150 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:12,151 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 72 [2018-11-23 07:38:12,151 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:12,157 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 97 treesize of output 89 [2018-11-23 07:38:12,157 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 2 xjuncts. [2018-11-23 07:38:12,198 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 42 [2018-11-23 07:38:12,199 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 2 xjuncts. [2018-11-23 07:38:12,225 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:12,225 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:12,243 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 4 new quantified variables, introduced 4 case distinctions, treesize of input 80 treesize of output 128 [2018-11-23 07:38:12,245 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 16 xjuncts. [2018-11-23 07:38:12,248 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:38:12,248 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:38:12,256 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 2 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 75 [2018-11-23 07:38:12,256 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 2 xjuncts. [2018-11-23 07:38:12,289 INFO L267 ElimStorePlain]: Start of recursive call 84: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 07:38:12,299 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 131 treesize of output 125 [2018-11-23 07:38:12,403 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 71 [2018-11-23 07:38:12,406 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:12,409 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:12,441 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 62 treesize of output 154 [2018-11-23 07:38:12,441 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-23 07:38:12,479 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 256 xjuncts. [2018-11-23 07:38:13,449 INFO L267 ElimStorePlain]: Start of recursive call 91: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:13,458 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 94 treesize of output 90 [2018-11-23 07:38:13,546 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 68 [2018-11-23 07:38:13,546 INFO L267 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 2 xjuncts. [2018-11-23 07:38:13,584 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:13,610 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 4 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 132 [2018-11-23 07:38:13,614 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 32 xjuncts. [2018-11-23 07:38:13,666 INFO L267 ElimStorePlain]: Start of recursive call 93: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:13,672 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 58 [2018-11-23 07:38:13,708 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2018-11-23 07:38:13,708 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:13,733 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2018-11-23 07:38:13,733 INFO L267 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:13,747 INFO L267 ElimStorePlain]: Start of recursive call 96: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:13,749 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 79 [2018-11-23 07:38:13,769 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 37 [2018-11-23 07:38:13,769 INFO L267 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 2 xjuncts. [2018-11-23 07:38:13,780 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 20 [2018-11-23 07:38:13,781 INFO L267 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:13,784 INFO L267 ElimStorePlain]: Start of recursive call 99: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:13,797 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 128 treesize of output 130 [2018-11-23 07:38:14,012 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 116 [2018-11-23 07:38:14,016 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:14,019 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:14,050 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 62 treesize of output 154 [2018-11-23 07:38:14,050 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-23 07:38:14,086 INFO L267 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 256 xjuncts. [2018-11-23 07:38:15,312 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:15,314 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 62 treesize of output 61 [2018-11-23 07:38:15,314 INFO L267 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:15,339 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:15,341 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:15,372 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 59 treesize of output 151 [2018-11-23 07:38:15,372 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-23 07:38:15,408 INFO L267 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 256 xjuncts. [2018-11-23 07:38:16,341 INFO L267 ElimStorePlain]: Start of recursive call 102: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:16,354 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 193 treesize of output 183 [2018-11-23 07:38:16,682 WARN L180 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 132 [2018-11-23 07:38:16,683 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:16,685 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 80 [2018-11-23 07:38:16,685 INFO L267 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:16,763 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:16,766 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:16,795 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 85 treesize of output 157 [2018-11-23 07:38:16,796 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-23 07:38:16,842 INFO L267 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 256 xjuncts. [2018-11-23 07:38:17,819 INFO L267 ElimStorePlain]: Start of recursive call 106: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:20,486 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 78 [2018-11-23 07:38:20,564 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 43 [2018-11-23 07:38:20,564 INFO L267 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:20,647 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 40 [2018-11-23 07:38:20,647 INFO L267 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:20,667 INFO L267 ElimStorePlain]: Start of recursive call 109: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:20,673 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 53 [2018-11-23 07:38:20,702 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-11-23 07:38:20,702 INFO L267 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:20,726 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 29 [2018-11-23 07:38:20,727 INFO L267 ElimStorePlain]: Start of recursive call 114: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 07:38:20,753 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2018-11-23 07:38:20,753 INFO L267 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:20,759 INFO L267 ElimStorePlain]: Start of recursive call 112: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:20,761 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 130 [2018-11-23 07:38:20,791 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:20,792 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:20,792 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:20,792 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:20,793 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:20,794 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:38:20,801 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 76 [2018-11-23 07:38:20,801 INFO L267 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:20,811 INFO L267 ElimStorePlain]: Start of recursive call 116: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:20,825 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 148 treesize of output 150 [2018-11-23 07:38:21,084 WARN L180 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 119 [2018-11-23 07:38:21,090 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:21,091 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:21,126 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 79 treesize of output 177 [2018-11-23 07:38:21,126 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-23 07:38:21,168 INFO L267 ElimStorePlain]: Start of recursive call 119: End of recursive call: and 256 xjuncts. [2018-11-23 07:38:22,353 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:22,362 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 79 treesize of output 97 [2018-11-23 07:38:22,363 INFO L267 ElimStorePlain]: Start of recursive call 120: End of recursive call: and 4 xjuncts. [2018-11-23 07:38:22,515 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:22,516 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:22,551 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 79 treesize of output 177 [2018-11-23 07:38:22,552 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-23 07:38:22,591 INFO L267 ElimStorePlain]: Start of recursive call 121: End of recursive call: and 256 xjuncts. [2018-11-23 07:38:23,607 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:23,609 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:23,655 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 76 treesize of output 174 [2018-11-23 07:38:23,655 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-23 07:38:23,696 INFO L267 ElimStorePlain]: Start of recursive call 122: End of recursive call: and 256 xjuncts. [2018-11-23 07:38:24,667 INFO L267 ElimStorePlain]: Start of recursive call 118: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:24,680 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 89 treesize of output 103 [2018-11-23 07:38:24,890 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 86 [2018-11-23 07:38:24,892 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 66 [2018-11-23 07:38:24,892 INFO L267 ElimStorePlain]: Start of recursive call 124: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:25,136 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 69 [2018-11-23 07:38:25,137 INFO L267 ElimStorePlain]: Start of recursive call 125: End of recursive call: and 2 xjuncts. [2018-11-23 07:38:25,230 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 57 [2018-11-23 07:38:25,230 INFO L267 ElimStorePlain]: Start of recursive call 126: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:25,314 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 80 [2018-11-23 07:38:25,315 INFO L267 ElimStorePlain]: Start of recursive call 127: End of recursive call: and 8 xjuncts. [2018-11-23 07:38:25,418 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 77 [2018-11-23 07:38:25,419 INFO L267 ElimStorePlain]: Start of recursive call 128: End of recursive call: and 8 xjuncts. [2018-11-23 07:38:25,457 INFO L267 ElimStorePlain]: Start of recursive call 123: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:25,460 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 112 [2018-11-23 07:38:25,484 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 40 [2018-11-23 07:38:25,484 INFO L267 ElimStorePlain]: Start of recursive call 130: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 07:38:25,496 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 26 [2018-11-23 07:38:25,496 INFO L267 ElimStorePlain]: Start of recursive call 131: End of recursive call: and 2 xjuncts. [2018-11-23 07:38:25,503 INFO L267 ElimStorePlain]: Start of recursive call 129: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 07:38:25,505 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 142 [2018-11-23 07:38:25,532 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:25,533 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:25,533 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:25,534 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:25,535 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:38:25,536 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:25,537 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:25,537 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:25,537 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:25,538 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:25,539 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:25,571 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 232 [2018-11-23 07:38:25,576 INFO L267 ElimStorePlain]: Start of recursive call 133: End of recursive call: and 32 xjuncts. [2018-11-23 07:38:25,642 INFO L267 ElimStorePlain]: Start of recursive call 132: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:25,645 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 115 [2018-11-23 07:38:25,677 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 84 [2018-11-23 07:38:25,678 INFO L267 ElimStorePlain]: Start of recursive call 135: End of recursive call: and 8 xjuncts. [2018-11-23 07:38:25,700 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 20 [2018-11-23 07:38:25,700 INFO L267 ElimStorePlain]: Start of recursive call 136: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:25,703 INFO L267 ElimStorePlain]: Start of recursive call 134: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:25,711 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 151 treesize of output 137 [2018-11-23 07:38:25,777 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 101 [2018-11-23 07:38:25,778 INFO L267 ElimStorePlain]: Start of recursive call 138: End of recursive call: and 4 xjuncts. [2018-11-23 07:38:25,817 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 57 [2018-11-23 07:38:25,818 INFO L267 ElimStorePlain]: Start of recursive call 139: End of recursive call: and 2 xjuncts. [2018-11-23 07:38:25,843 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:25,874 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 72 treesize of output 186 [2018-11-23 07:38:25,874 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-11-23 07:38:25,890 INFO L267 ElimStorePlain]: Start of recursive call 140: End of recursive call: and 128 xjuncts. [2018-11-23 07:38:26,178 INFO L267 ElimStorePlain]: Start of recursive call 137: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:26,180 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 142 [2018-11-23 07:38:26,208 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:26,210 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:26,212 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:26,213 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:26,214 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:26,215 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:26,215 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:26,216 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:26,217 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:26,217 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:26,218 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:38:26,218 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:26,249 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 248 [2018-11-23 07:38:26,254 INFO L267 ElimStorePlain]: Start of recursive call 142: End of recursive call: and 32 xjuncts. [2018-11-23 07:38:26,324 INFO L267 ElimStorePlain]: Start of recursive call 141: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:26,326 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 124 [2018-11-23 07:38:26,355 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:38:26,372 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 39 treesize of output 91 [2018-11-23 07:38:26,373 INFO L267 ElimStorePlain]: Start of recursive call 144: End of recursive call: and 8 xjuncts. [2018-11-23 07:38:26,387 INFO L267 ElimStorePlain]: Start of recursive call 143: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:26,397 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 78 [2018-11-23 07:38:26,478 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 49 [2018-11-23 07:38:26,478 INFO L267 ElimStorePlain]: Start of recursive call 146: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 07:38:26,518 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 39 [2018-11-23 07:38:26,518 INFO L267 ElimStorePlain]: Start of recursive call 147: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:26,609 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 60 [2018-11-23 07:38:26,609 INFO L267 ElimStorePlain]: Start of recursive call 148: End of recursive call: and 8 xjuncts. [2018-11-23 07:38:26,633 INFO L267 ElimStorePlain]: Start of recursive call 145: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:26,644 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 131 treesize of output 125 [2018-11-23 07:38:26,739 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:26,742 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:26,757 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 62 treesize of output 118 [2018-11-23 07:38:26,761 INFO L267 ElimStorePlain]: Start of recursive call 150: 11 dim-0 vars, End of recursive call: 11 dim-0 vars, and 16 xjuncts. [2018-11-23 07:38:26,868 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2018-11-23 07:38:26,868 INFO L267 ElimStorePlain]: Start of recursive call 151: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:26,870 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2018-11-23 07:38:26,870 INFO L267 ElimStorePlain]: Start of recursive call 152: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:26,871 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2018-11-23 07:38:26,871 INFO L267 ElimStorePlain]: Start of recursive call 153: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:26,873 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2018-11-23 07:38:26,873 INFO L267 ElimStorePlain]: Start of recursive call 154: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:26,897 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:26,899 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 56 [2018-11-23 07:38:26,899 INFO L267 ElimStorePlain]: Start of recursive call 155: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:26,922 INFO L267 ElimStorePlain]: Start of recursive call 149: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:26,932 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 134 treesize of output 128 [2018-11-23 07:38:27,031 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 64 [2018-11-23 07:38:27,031 INFO L267 ElimStorePlain]: Start of recursive call 157: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:27,064 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:27,065 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:27,065 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:27,068 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 73 [2018-11-23 07:38:27,068 INFO L267 ElimStorePlain]: Start of recursive call 158: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:27,137 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:27,139 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:27,158 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 4 new quantified variables, introduced 4 case distinctions, treesize of input 62 treesize of output 132 [2018-11-23 07:38:27,161 INFO L267 ElimStorePlain]: Start of recursive call 159: 11 dim-0 vars, End of recursive call: 11 dim-0 vars, and 16 xjuncts. [2018-11-23 07:38:27,246 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2018-11-23 07:38:27,246 INFO L267 ElimStorePlain]: Start of recursive call 160: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:27,247 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2018-11-23 07:38:27,248 INFO L267 ElimStorePlain]: Start of recursive call 161: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:27,249 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2018-11-23 07:38:27,249 INFO L267 ElimStorePlain]: Start of recursive call 162: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:27,250 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2018-11-23 07:38:27,251 INFO L267 ElimStorePlain]: Start of recursive call 163: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:27,265 INFO L267 ElimStorePlain]: Start of recursive call 156: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:27,273 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 151 treesize of output 137 [2018-11-23 07:38:27,331 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 77 [2018-11-23 07:38:27,332 INFO L267 ElimStorePlain]: Start of recursive call 165: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 07:38:27,364 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 65 [2018-11-23 07:38:27,365 INFO L267 ElimStorePlain]: Start of recursive call 166: End of recursive call: and 2 xjuncts. [2018-11-23 07:38:27,396 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:27,428 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 72 treesize of output 186 [2018-11-23 07:38:27,429 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2018-11-23 07:38:27,445 INFO L267 ElimStorePlain]: Start of recursive call 167: End of recursive call: and 128 xjuncts. [2018-11-23 07:38:27,744 INFO L267 ElimStorePlain]: Start of recursive call 164: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:27,758 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 148 treesize of output 150 [2018-11-23 07:38:28,025 WARN L180 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 119 [2018-11-23 07:38:28,030 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:28,039 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 82 [2018-11-23 07:38:28,040 INFO L267 ElimStorePlain]: Start of recursive call 169: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:28,223 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 78 [2018-11-23 07:38:28,223 INFO L267 ElimStorePlain]: Start of recursive call 170: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:28,382 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:28,386 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:28,428 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 79 treesize of output 177 [2018-11-23 07:38:28,428 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-23 07:38:28,465 INFO L267 ElimStorePlain]: Start of recursive call 171: End of recursive call: and 256 xjuncts. [2018-11-23 07:38:29,637 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:29,641 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:38:29,674 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 76 treesize of output 174 [2018-11-23 07:38:29,675 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-23 07:38:29,711 INFO L267 ElimStorePlain]: Start of recursive call 172: End of recursive call: and 256 xjuncts. [2018-11-23 07:38:30,683 INFO L267 ElimStorePlain]: Start of recursive call 168: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:30,753 INFO L267 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-23 07:38:30,753 INFO L202 ElimStorePlain]: Needed 172 recursive calls to eliminate 12 variables, input treesize:513, output treesize:16 [2018-11-23 07:38:30,789 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:38:30,804 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 07:38:30,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 22 [2018-11-23 07:38:30,804 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 07:38:30,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 07:38:30,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 07:38:30,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=379, Unknown=0, NotChecked=0, Total=462 [2018-11-23 07:38:30,805 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand 18 states. [2018-11-23 07:38:31,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:38:31,118 INFO L93 Difference]: Finished difference Result 63 states and 70 transitions. [2018-11-23 07:38:31,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-23 07:38:31,118 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 25 [2018-11-23 07:38:31,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:38:31,119 INFO L225 Difference]: With dead ends: 63 [2018-11-23 07:38:31,119 INFO L226 Difference]: Without dead ends: 46 [2018-11-23 07:38:31,119 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 39 SyntacticMatches, 4 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=170, Invalid=642, Unknown=0, NotChecked=0, Total=812 [2018-11-23 07:38:31,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-11-23 07:38:31,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 39. [2018-11-23 07:38:31,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-11-23 07:38:31,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2018-11-23 07:38:31,123 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 25 [2018-11-23 07:38:31,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:38:31,123 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2018-11-23 07:38:31,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 07:38:31,124 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2018-11-23 07:38:31,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 07:38:31,124 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:38:31,124 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:38:31,124 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:38:31,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:38:31,125 INFO L82 PathProgramCache]: Analyzing trace with hash 997765806, now seen corresponding path program 1 times [2018-11-23 07:38:31,125 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:38:31,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:38:31,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:38:31,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:38:31,125 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:38:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:31,268 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:38:31,268 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:38:31,268 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:38:31,268 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 37 with the following transitions: [2018-11-23 07:38:31,268 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [11], [13], [17], [19], [23], [29], [31], [35], [37], [41], [47], [49], [51], [55], [63], [65], [67], [73], [76], [78], [81], [83], [84], [85], [86], [88], [89] [2018-11-23 07:38:31,270 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:38:31,270 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:38:31,369 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 07:38:31,369 INFO L272 AbstractInterpreter]: Visited 30 different actions 112 times. Merged at 15 different actions 49 times. Widened at 3 different actions 3 times. Performed 534 root evaluator evaluations with a maximum evaluation depth of 5. Performed 534 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 13 fixpoints after 7 different actions. Largest state had 32 variables. [2018-11-23 07:38:31,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:38:31,383 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 07:38:31,383 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:38:31,383 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 07:38:31,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:38:31,397 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 07:38:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:31,414 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:38:31,469 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 07:38:31,469 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:38:31,806 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:38:31,823 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 07:38:31,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 15 [2018-11-23 07:38:31,823 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 07:38:31,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 07:38:31,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 07:38:31,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=154, Unknown=1, NotChecked=0, Total=210 [2018-11-23 07:38:31,824 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand 12 states. [2018-11-23 07:38:31,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:38:31,965 INFO L93 Difference]: Finished difference Result 76 states and 83 transitions. [2018-11-23 07:38:31,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 07:38:31,967 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 36 [2018-11-23 07:38:31,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:38:31,967 INFO L225 Difference]: With dead ends: 76 [2018-11-23 07:38:31,967 INFO L226 Difference]: Without dead ends: 55 [2018-11-23 07:38:31,967 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 66 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=72, Invalid=199, Unknown=1, NotChecked=0, Total=272 [2018-11-23 07:38:31,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-23 07:38:31,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 44. [2018-11-23 07:38:31,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-23 07:38:31,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2018-11-23 07:38:31,972 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 36 [2018-11-23 07:38:31,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:38:31,972 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2018-11-23 07:38:31,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 07:38:31,972 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2018-11-23 07:38:31,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 07:38:31,973 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:38:31,973 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:38:31,973 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:38:31,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:38:31,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1913486187, now seen corresponding path program 2 times [2018-11-23 07:38:31,974 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:38:31,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:38:31,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:38:31,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:38:31,974 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:38:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:38:32,441 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 07:38:32,441 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:38:32,441 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:38:32,442 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-23 07:38:32,442 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-23 07:38:32,442 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:38:32,442 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 07:38:32,469 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 07:38:32,469 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-23 07:38:32,492 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-11-23 07:38:32,492 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 07:38:32,495 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:38:32,504 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:38:32,505 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 29 [2018-11-23 07:38:32,526 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:38:32,529 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:38:32,530 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 16 treesize of output 13 [2018-11-23 07:38:32,530 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:32,533 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:32,538 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:32,538 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:22 [2018-11-23 07:38:32,570 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-23 07:38:32,571 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 10 treesize of output 9 [2018-11-23 07:38:32,572 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:32,573 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:32,578 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:32,579 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:19 [2018-11-23 07:38:32,607 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 41 [2018-11-23 07:38:32,609 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 14 treesize of output 13 [2018-11-23 07:38:32,609 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:32,617 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:32,636 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:32,636 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:91, output treesize:22 [2018-11-23 07:38:32,639 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-23 07:38:32,641 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 10 treesize of output 9 [2018-11-23 07:38:32,641 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:32,642 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:32,648 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:32,648 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:19 [2018-11-23 07:38:32,662 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 63 [2018-11-23 07:38:32,665 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 36 treesize of output 35 [2018-11-23 07:38:32,665 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:32,676 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:32,699 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:32,699 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:137, output treesize:57 [2018-11-23 07:38:32,742 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 52 [2018-11-23 07:38:32,744 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:38:32,745 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 40 treesize of output 47 [2018-11-23 07:38:32,745 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:32,751 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:32,758 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:32,758 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:63, output treesize:59 [2018-11-23 07:38:33,015 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 54 [2018-11-23 07:38:33,018 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 30 treesize of output 12 [2018-11-23 07:38:33,018 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:33,027 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 18 treesize of output 10 [2018-11-23 07:38:33,028 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:33,032 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 18 treesize of output 5 [2018-11-23 07:38:33,032 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 07:38:33,033 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:33,038 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:38:33,038 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:72, output treesize:5 [2018-11-23 07:38:33,107 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:38:33,107 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:38:35,518 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse214 (mod c_main_~i~0 4294967296)) (.cse215 (mod (+ c_main_~i~0 1) 4294967296))) (let ((.cse80 (< 2147483647 .cse215)) (.cse30 (<= .cse215 2147483647)) (.cse31 (< 2147483647 .cse214)) (.cse23 (<= .cse214 2147483647))) (and (or (forall ((v_prenex_233 Int)) (let ((.cse10 (select |c_#memory_int| |c_main_~#C~0.base|)) (.cse13 (select |c_#memory_int| |c_main_~#A~0.base|)) (.cse12 (select |c_#memory_int| |c_main_~#B~0.base|)) (.cse11 (* 4 (mod c_main_~i~0 4294967296)))) (let ((.cse16 (store .cse10 (+ v_prenex_233 .cse11 (- 17179869184)) (+ (select .cse13 (+ .cse11 |c_main_~#A~0.offset| (- 17179869184))) (select .cse12 (+ |c_main_~#B~0.offset| .cse11 (- 17179869184))))))) (let ((.cse22 (store |c_#memory_int| |c_main_~#C~0.base| .cse16)) (.cse21 (* 4 (mod (+ c_main_~i~0 1) 4294967296)))) (let ((.cse6 (+ .cse21 v_prenex_233)) (.cse8 (+ .cse21 |c_main_~#B~0.offset|)) (.cse9 (+ .cse21 |c_main_~#A~0.offset|)) (.cse1 (+ v_prenex_233 4)) (.cse3 (+ |c_main_~#A~0.offset| 4)) (.cse4 (+ |c_main_~#B~0.offset| 4)) (.cse18 (select .cse22 |c_main_~#A~0.base|)) (.cse17 (select .cse22 |c_main_~#B~0.base|))) (or (let ((.cse0 (let ((.cse5 (store .cse10 (+ v_prenex_233 .cse11) (+ (select .cse12 (+ |c_main_~#B~0.offset| .cse11)) (select .cse13 (+ .cse11 |c_main_~#A~0.offset|)))))) (store .cse5 .cse6 (let ((.cse7 (store |c_#memory_int| |c_main_~#C~0.base| .cse5))) (+ (select (select .cse7 |c_main_~#B~0.base|) .cse8) (select (select .cse7 |c_main_~#A~0.base|) .cse9))))))) (= (select .cse0 .cse1) (let ((.cse2 (store |c_#memory_int| |c_main_~#C~0.base| .cse0))) (+ (select (select .cse2 |c_main_~#A~0.base|) .cse3) (select (select .cse2 |c_main_~#B~0.base|) .cse4))))) (let ((.cse15 (store .cse16 .cse6 (+ (select .cse17 .cse8) (select .cse18 .cse9))))) (= (let ((.cse14 (store |c_#memory_int| |c_main_~#C~0.base| .cse15))) (+ (select (select .cse14 |c_main_~#B~0.base|) .cse4) (select (select .cse14 |c_main_~#A~0.base|) .cse3))) (select .cse15 .cse1))) (let ((.cse19 (store .cse16 (+ .cse21 v_prenex_233 (- 17179869184)) (+ (select .cse18 (+ .cse21 |c_main_~#A~0.offset| (- 17179869184))) (select .cse17 (+ .cse21 |c_main_~#B~0.offset| (- 17179869184))))))) (= (select .cse19 .cse1) (let ((.cse20 (store |c_#memory_int| |c_main_~#C~0.base| .cse19))) (+ (select (select .cse20 |c_main_~#A~0.base|) .cse3) (select (select .cse20 |c_main_~#B~0.base|) .cse4))))))))))) .cse23) (or (forall ((v_prenex_227 Int)) (let ((.cse25 (let ((.cse27 (* 4 (mod (+ c_main_~i~0 1) 4294967296))) (.cse26 (let ((.cse29 (* 4 (mod c_main_~i~0 4294967296)))) (store (select |c_#memory_int| |c_main_~#C~0.base|) (+ v_prenex_227 .cse29) (+ (select (select |c_#memory_int| |c_main_~#B~0.base|) (+ |c_main_~#B~0.offset| .cse29)) (select (select |c_#memory_int| |c_main_~#A~0.base|) (+ .cse29 |c_main_~#A~0.offset|))))))) (store .cse26 (+ .cse27 v_prenex_227 (- 17179869184)) (let ((.cse28 (store |c_#memory_int| |c_main_~#C~0.base| .cse26))) (+ (select (select .cse28 |c_main_~#A~0.base|) (+ .cse27 |c_main_~#A~0.offset| (- 17179869184))) (select (select .cse28 |c_main_~#B~0.base|) (+ .cse27 |c_main_~#B~0.offset| (- 17179869184))))))))) (= (let ((.cse24 (store |c_#memory_int| |c_main_~#C~0.base| .cse25))) (+ (select (select .cse24 |c_main_~#B~0.base|) (+ |c_main_~#B~0.offset| 4)) (select (select .cse24 |c_main_~#A~0.base|) (+ |c_main_~#A~0.offset| 4)))) (select .cse25 (+ v_prenex_227 4))))) .cse30 .cse31) (or (forall ((v_prenex_229 Int)) (let ((.cse47 (select |c_#memory_int| |c_main_~#C~0.base|)) (.cse50 (select |c_#memory_int| |c_main_~#B~0.base|)) (.cse49 (select |c_#memory_int| |c_main_~#A~0.base|)) (.cse48 (* 4 (mod c_main_~i~0 4294967296)))) (let ((.cse37 (store .cse47 (+ v_prenex_229 .cse48) (+ (select .cse50 (+ |c_main_~#B~0.offset| .cse48)) (select .cse49 (+ .cse48 |c_main_~#A~0.offset|)))))) (let ((.cse54 (store |c_#memory_int| |c_main_~#C~0.base| .cse37)) (.cse53 (* 4 (mod (+ c_main_~i~0 1) 4294967296)))) (let ((.cse38 (+ .cse53 v_prenex_229)) (.cse40 (+ .cse53 |c_main_~#B~0.offset|)) (.cse42 (+ .cse53 |c_main_~#A~0.offset|)) (.cse35 (+ |c_main_~#B~0.offset| 4)) (.cse36 (+ |c_main_~#A~0.offset| 4)) (.cse33 (+ v_prenex_229 4)) (.cse41 (select .cse54 |c_main_~#A~0.base|)) (.cse39 (select .cse54 |c_main_~#B~0.base|))) (or (let ((.cse32 (store .cse37 .cse38 (+ (select .cse39 .cse40) (select .cse41 .cse42))))) (= (select .cse32 .cse33) (let ((.cse34 (store |c_#memory_int| |c_main_~#C~0.base| .cse32))) (+ (select (select .cse34 |c_main_~#B~0.base|) .cse35) (select (select .cse34 |c_main_~#A~0.base|) .cse36))))) (let ((.cse44 (let ((.cse45 (store .cse47 (+ v_prenex_229 .cse48 (- 17179869184)) (+ (select .cse49 (+ .cse48 |c_main_~#A~0.offset| (- 17179869184))) (select .cse50 (+ |c_main_~#B~0.offset| .cse48 (- 17179869184))))))) (store .cse45 .cse38 (let ((.cse46 (store |c_#memory_int| |c_main_~#C~0.base| .cse45))) (+ (select (select .cse46 |c_main_~#B~0.base|) .cse40) (select (select .cse46 |c_main_~#A~0.base|) .cse42))))))) (= (let ((.cse43 (store |c_#memory_int| |c_main_~#C~0.base| .cse44))) (+ (select (select .cse43 |c_main_~#A~0.base|) .cse36) (select (select .cse43 |c_main_~#B~0.base|) .cse35))) (select .cse44 .cse33))) (let ((.cse52 (store .cse37 (+ .cse53 v_prenex_229 (- 17179869184)) (+ (select .cse41 (+ .cse53 |c_main_~#A~0.offset| (- 17179869184))) (select .cse39 (+ .cse53 |c_main_~#B~0.offset| (- 17179869184))))))) (= (let ((.cse51 (store |c_#memory_int| |c_main_~#C~0.base| .cse52))) (+ (select (select .cse51 |c_main_~#B~0.base|) .cse35) (select (select .cse51 |c_main_~#A~0.base|) .cse36))) (select .cse52 .cse33))))))))) .cse31) (or (forall ((v_prenex_222 Int)) (let ((.cse73 (* 4 (mod (+ c_main_~i~0 1) 4294967296)))) (let ((.cse59 (+ v_prenex_222 4)) (.cse56 (+ |c_main_~#B~0.offset| 4)) (.cse57 (+ |c_main_~#A~0.offset| 4)) (.cse61 (+ .cse73 v_prenex_222 (- 17179869184))) (.cse63 (+ .cse73 |c_main_~#A~0.offset| (- 17179869184))) (.cse64 (+ .cse73 |c_main_~#B~0.offset| (- 17179869184))) (.cse65 (select |c_#memory_int| |c_main_~#C~0.base|)) (.cse68 (select |c_#memory_int| |c_main_~#A~0.base|)) (.cse67 (select |c_#memory_int| |c_main_~#B~0.base|)) (.cse66 (* 4 (mod c_main_~i~0 4294967296)))) (or (let ((.cse58 (let ((.cse60 (store .cse65 (+ v_prenex_222 .cse66) (+ (select .cse67 (+ |c_main_~#B~0.offset| .cse66)) (select .cse68 (+ .cse66 |c_main_~#A~0.offset|)))))) (store .cse60 .cse61 (let ((.cse62 (store |c_#memory_int| |c_main_~#C~0.base| .cse60))) (+ (select (select .cse62 |c_main_~#A~0.base|) .cse63) (select (select .cse62 |c_main_~#B~0.base|) .cse64))))))) (= (let ((.cse55 (store |c_#memory_int| |c_main_~#C~0.base| .cse58))) (+ (select (select .cse55 |c_main_~#B~0.base|) .cse56) (select (select .cse55 |c_main_~#A~0.base|) .cse57))) (select .cse58 .cse59))) (let ((.cse69 (let ((.cse71 (store .cse65 (+ v_prenex_222 .cse66 (- 17179869184)) (+ (select .cse68 (+ .cse66 |c_main_~#A~0.offset| (- 17179869184))) (select .cse67 (+ |c_main_~#B~0.offset| .cse66 (- 17179869184))))))) (store .cse71 .cse61 (let ((.cse72 (store |c_#memory_int| |c_main_~#C~0.base| .cse71))) (+ (select (select .cse72 |c_main_~#A~0.base|) .cse63) (select (select .cse72 |c_main_~#B~0.base|) .cse64))))))) (= (select .cse69 .cse59) (let ((.cse70 (store |c_#memory_int| |c_main_~#C~0.base| .cse69))) (+ (select (select .cse70 |c_main_~#B~0.base|) .cse56) (select (select .cse70 |c_main_~#A~0.base|) .cse57))))))))) .cse30) (or (forall ((v_prenex_220 Int)) (let ((.cse75 (let ((.cse77 (* 4 (mod (+ c_main_~i~0 1) 4294967296))) (.cse76 (let ((.cse79 (* 4 (mod c_main_~i~0 4294967296)))) (store (select |c_#memory_int| |c_main_~#C~0.base|) (+ v_prenex_220 .cse79 (- 17179869184)) (+ (select (select |c_#memory_int| |c_main_~#A~0.base|) (+ .cse79 |c_main_~#A~0.offset| (- 17179869184))) (select (select |c_#memory_int| |c_main_~#B~0.base|) (+ |c_main_~#B~0.offset| .cse79 (- 17179869184)))))))) (store .cse76 (+ .cse77 v_prenex_220) (let ((.cse78 (store |c_#memory_int| |c_main_~#C~0.base| .cse76))) (+ (select (select .cse78 |c_main_~#B~0.base|) (+ .cse77 |c_main_~#B~0.offset|)) (select (select .cse78 |c_main_~#A~0.base|) (+ .cse77 |c_main_~#A~0.offset|)))))))) (= (let ((.cse74 (store |c_#memory_int| |c_main_~#C~0.base| .cse75))) (+ (select (select .cse74 |c_main_~#B~0.base|) (+ |c_main_~#B~0.offset| 4)) (select (select .cse74 |c_main_~#A~0.base|) (+ |c_main_~#A~0.offset| 4)))) (select .cse75 (+ v_prenex_220 4))))) .cse80 .cse23) (forall ((v_prenex_236 Int)) (let ((.cse107 (select |c_#memory_int| |c_main_~#C~0.base|)) (.cse110 (select |c_#memory_int| |c_main_~#B~0.base|)) (.cse109 (select |c_#memory_int| |c_main_~#A~0.base|)) (.cse108 (* 4 (mod c_main_~i~0 4294967296)))) (let ((.cse86 (store .cse107 (+ v_prenex_236 .cse108) (+ (select .cse110 (+ |c_main_~#B~0.offset| .cse108)) (select .cse109 (+ .cse108 |c_main_~#A~0.offset|))))) (.cse94 (store .cse107 (+ v_prenex_236 .cse108 (- 17179869184)) (+ (select .cse109 (+ .cse108 |c_main_~#A~0.offset| (- 17179869184))) (select .cse110 (+ |c_main_~#B~0.offset| .cse108 (- 17179869184))))))) (let ((.cse105 (store |c_#memory_int| |c_main_~#C~0.base| .cse94)) (.cse106 (store |c_#memory_int| |c_main_~#C~0.base| .cse86)) (.cse104 (* 4 (mod (+ c_main_~i~0 1) 4294967296)))) (let ((.cse87 (+ .cse104 v_prenex_236 (- 17179869184))) (.cse89 (+ .cse104 |c_main_~#A~0.offset| (- 17179869184))) (.cse91 (+ .cse104 |c_main_~#B~0.offset| (- 17179869184))) (.cse90 (select .cse106 |c_main_~#B~0.base|)) (.cse88 (select .cse106 |c_main_~#A~0.base|)) (.cse82 (+ |c_main_~#B~0.offset| 4)) (.cse83 (+ |c_main_~#A~0.offset| 4)) (.cse85 (+ v_prenex_236 4)) (.cse99 (+ .cse104 v_prenex_236)) (.cse96 (select .cse105 |c_main_~#B~0.base|)) (.cse100 (+ .cse104 |c_main_~#B~0.offset|)) (.cse95 (select .cse105 |c_main_~#A~0.base|)) (.cse101 (+ .cse104 |c_main_~#A~0.offset|))) (or (let ((.cse84 (store .cse86 .cse87 (+ (select .cse88 .cse89) (select .cse90 .cse91))))) (= (let ((.cse81 (store |c_#memory_int| |c_main_~#C~0.base| .cse84))) (+ (select (select .cse81 |c_main_~#B~0.base|) .cse82) (select (select .cse81 |c_main_~#A~0.base|) .cse83))) (select .cse84 .cse85))) (let ((.cse92 (store .cse94 .cse87 (+ (select .cse95 .cse89) (select .cse96 .cse91))))) (= (select .cse92 .cse85) (let ((.cse93 (store |c_#memory_int| |c_main_~#C~0.base| .cse92))) (+ (select (select .cse93 |c_main_~#A~0.base|) .cse83) (select (select .cse93 |c_main_~#B~0.base|) .cse82))))) (let ((.cse97 (store .cse86 .cse99 (+ (select .cse90 .cse100) (select .cse88 .cse101))))) (= (select .cse97 .cse85) (let ((.cse98 (store |c_#memory_int| |c_main_~#C~0.base| .cse97))) (+ (select (select .cse98 |c_main_~#B~0.base|) .cse82) (select (select .cse98 |c_main_~#A~0.base|) .cse83))))) (let ((.cse103 (store .cse94 .cse99 (+ (select .cse96 .cse100) (select .cse95 .cse101))))) (= (let ((.cse102 (store |c_#memory_int| |c_main_~#C~0.base| .cse103))) (+ (select (select .cse102 |c_main_~#B~0.base|) .cse82) (select (select .cse102 |c_main_~#A~0.base|) .cse83))) (select .cse103 .cse85))))))))) (or .cse80 (forall ((v_prenex_221 Int)) (let ((.cse111 (let ((.cse114 (* 4 (mod (+ c_main_~i~0 1) 4294967296))) (.cse113 (let ((.cse116 (* 4 (mod c_main_~i~0 4294967296)))) (store (select |c_#memory_int| |c_main_~#C~0.base|) (+ v_prenex_221 .cse116) (+ (select (select |c_#memory_int| |c_main_~#B~0.base|) (+ |c_main_~#B~0.offset| .cse116)) (select (select |c_#memory_int| |c_main_~#A~0.base|) (+ .cse116 |c_main_~#A~0.offset|))))))) (store .cse113 (+ .cse114 v_prenex_221) (let ((.cse115 (store |c_#memory_int| |c_main_~#C~0.base| .cse113))) (+ (select (select .cse115 |c_main_~#B~0.base|) (+ .cse114 |c_main_~#B~0.offset|)) (select (select .cse115 |c_main_~#A~0.base|) (+ .cse114 |c_main_~#A~0.offset|)))))))) (= (select .cse111 (+ v_prenex_221 4)) (let ((.cse112 (store |c_#memory_int| |c_main_~#C~0.base| .cse111))) (+ (select (select .cse112 |c_main_~#B~0.base|) (+ |c_main_~#B~0.offset| 4)) (select (select .cse112 |c_main_~#A~0.base|) (+ |c_main_~#A~0.offset| 4))))))) .cse31) (or (forall ((v_prenex_239 Int)) (let ((.cse127 (select |c_#memory_int| |c_main_~#C~0.base|)) (.cse130 (select |c_#memory_int| |c_main_~#A~0.base|)) (.cse129 (select |c_#memory_int| |c_main_~#B~0.base|)) (.cse128 (* 4 (mod c_main_~i~0 4294967296)))) (let ((.cse133 (store .cse127 (+ v_prenex_239 .cse128 (- 17179869184)) (+ (select .cse130 (+ .cse128 |c_main_~#A~0.offset| (- 17179869184))) (select .cse129 (+ |c_main_~#B~0.offset| .cse128 (- 17179869184))))))) (let ((.cse139 (store |c_#memory_int| |c_main_~#C~0.base| .cse133)) (.cse134 (* 4 (mod (+ c_main_~i~0 1) 4294967296)))) (let ((.cse121 (+ v_prenex_239 4)) (.cse119 (+ |c_main_~#A~0.offset| 4)) (.cse118 (+ |c_main_~#B~0.offset| 4)) (.cse123 (+ .cse134 v_prenex_239 (- 17179869184))) (.cse136 (select .cse139 |c_main_~#A~0.base|)) (.cse125 (+ .cse134 |c_main_~#A~0.offset| (- 17179869184))) (.cse135 (select .cse139 |c_main_~#B~0.base|)) (.cse126 (+ .cse134 |c_main_~#B~0.offset| (- 17179869184)))) (or (let ((.cse120 (let ((.cse122 (store .cse127 (+ v_prenex_239 .cse128) (+ (select .cse129 (+ |c_main_~#B~0.offset| .cse128)) (select .cse130 (+ .cse128 |c_main_~#A~0.offset|)))))) (store .cse122 .cse123 (let ((.cse124 (store |c_#memory_int| |c_main_~#C~0.base| .cse122))) (+ (select (select .cse124 |c_main_~#A~0.base|) .cse125) (select (select .cse124 |c_main_~#B~0.base|) .cse126))))))) (= (let ((.cse117 (store |c_#memory_int| |c_main_~#C~0.base| .cse120))) (+ (select (select .cse117 |c_main_~#B~0.base|) .cse118) (select (select .cse117 |c_main_~#A~0.base|) .cse119))) (select .cse120 .cse121))) (let ((.cse132 (store .cse133 (+ .cse134 v_prenex_239) (+ (select .cse135 (+ .cse134 |c_main_~#B~0.offset|)) (select .cse136 (+ .cse134 |c_main_~#A~0.offset|)))))) (= (let ((.cse131 (store |c_#memory_int| |c_main_~#C~0.base| .cse132))) (+ (select (select .cse131 |c_main_~#B~0.base|) .cse118) (select (select .cse131 |c_main_~#A~0.base|) .cse119))) (select .cse132 .cse121))) (let ((.cse137 (store .cse133 .cse123 (+ (select .cse136 .cse125) (select .cse135 .cse126))))) (= (select .cse137 .cse121) (let ((.cse138 (store |c_#memory_int| |c_main_~#C~0.base| .cse137))) (+ (select (select .cse138 |c_main_~#A~0.base|) .cse119) (select (select .cse138 |c_main_~#B~0.base|) .cse118))))))))))) .cse23) (or (forall ((|main_~#C~0.offset| Int)) (let ((.cse158 (* 4 (mod (+ c_main_~i~0 1) 4294967296)))) (let ((.cse143 (+ |c_main_~#A~0.offset| 4)) (.cse144 (+ |c_main_~#B~0.offset| 4)) (.cse141 (+ |main_~#C~0.offset| 4)) (.cse146 (+ .cse158 |main_~#C~0.offset|)) (.cse148 (+ .cse158 |c_main_~#B~0.offset|)) (.cse149 (+ .cse158 |c_main_~#A~0.offset|)) (.cse150 (select |c_#memory_int| |c_main_~#C~0.base|)) (.cse153 (select |c_#memory_int| |c_main_~#A~0.base|)) (.cse152 (select |c_#memory_int| |c_main_~#B~0.base|)) (.cse151 (* 4 (mod c_main_~i~0 4294967296)))) (or (let ((.cse140 (let ((.cse145 (store .cse150 (+ |main_~#C~0.offset| .cse151) (+ (select .cse152 (+ |c_main_~#B~0.offset| .cse151)) (select .cse153 (+ .cse151 |c_main_~#A~0.offset|)))))) (store .cse145 .cse146 (let ((.cse147 (store |c_#memory_int| |c_main_~#C~0.base| .cse145))) (+ (select (select .cse147 |c_main_~#B~0.base|) .cse148) (select (select .cse147 |c_main_~#A~0.base|) .cse149))))))) (= (select .cse140 .cse141) (let ((.cse142 (store |c_#memory_int| |c_main_~#C~0.base| .cse140))) (+ (select (select .cse142 |c_main_~#A~0.base|) .cse143) (select (select .cse142 |c_main_~#B~0.base|) .cse144))))) (let ((.cse155 (let ((.cse156 (store .cse150 (+ |main_~#C~0.offset| .cse151 (- 17179869184)) (+ (select .cse153 (+ .cse151 |c_main_~#A~0.offset| (- 17179869184))) (select .cse152 (+ |c_main_~#B~0.offset| .cse151 (- 17179869184))))))) (store .cse156 .cse146 (let ((.cse157 (store |c_#memory_int| |c_main_~#C~0.base| .cse156))) (+ (select (select .cse157 |c_main_~#B~0.base|) .cse148) (select (select .cse157 |c_main_~#A~0.base|) .cse149))))))) (= (let ((.cse154 (store |c_#memory_int| |c_main_~#C~0.base| .cse155))) (+ (select (select .cse154 |c_main_~#A~0.base|) .cse143) (select (select .cse154 |c_main_~#B~0.base|) .cse144))) (select .cse155 .cse141))))))) .cse80) (or .cse30 .cse80) (or (forall ((v_prenex_235 Int)) (let ((.cse169 (select |c_#memory_int| |c_main_~#C~0.base|)) (.cse172 (select |c_#memory_int| |c_main_~#B~0.base|)) (.cse171 (select |c_#memory_int| |c_main_~#A~0.base|)) (.cse170 (* 4 (mod c_main_~i~0 4294967296)))) (let ((.cse175 (store .cse169 (+ v_prenex_235 .cse170) (+ (select .cse172 (+ |c_main_~#B~0.offset| .cse170)) (select .cse171 (+ .cse170 |c_main_~#A~0.offset|)))))) (let ((.cse181 (store |c_#memory_int| |c_main_~#C~0.base| .cse175)) (.cse180 (* 4 (mod (+ c_main_~i~0 1) 4294967296)))) (let ((.cse165 (+ .cse180 v_prenex_235 (- 17179869184))) (.cse167 (+ .cse180 |c_main_~#A~0.offset| (- 17179869184))) (.cse168 (+ .cse180 |c_main_~#B~0.offset| (- 17179869184))) (.cse160 (+ v_prenex_235 4)) (.cse163 (+ |c_main_~#B~0.offset| 4)) (.cse162 (+ |c_main_~#A~0.offset| 4)) (.cse177 (select .cse181 |c_main_~#B~0.base|)) (.cse176 (select .cse181 |c_main_~#A~0.base|))) (or (let ((.cse159 (let ((.cse164 (store .cse169 (+ v_prenex_235 .cse170 (- 17179869184)) (+ (select .cse171 (+ .cse170 |c_main_~#A~0.offset| (- 17179869184))) (select .cse172 (+ |c_main_~#B~0.offset| .cse170 (- 17179869184))))))) (store .cse164 .cse165 (let ((.cse166 (store |c_#memory_int| |c_main_~#C~0.base| .cse164))) (+ (select (select .cse166 |c_main_~#A~0.base|) .cse167) (select (select .cse166 |c_main_~#B~0.base|) .cse168))))))) (= (select .cse159 .cse160) (let ((.cse161 (store |c_#memory_int| |c_main_~#C~0.base| .cse159))) (+ (select (select .cse161 |c_main_~#A~0.base|) .cse162) (select (select .cse161 |c_main_~#B~0.base|) .cse163))))) (let ((.cse174 (store .cse175 .cse165 (+ (select .cse176 .cse167) (select .cse177 .cse168))))) (= (let ((.cse173 (store |c_#memory_int| |c_main_~#C~0.base| .cse174))) (+ (select (select .cse173 |c_main_~#B~0.base|) .cse163) (select (select .cse173 |c_main_~#A~0.base|) .cse162))) (select .cse174 .cse160))) (let ((.cse178 (store .cse175 (+ .cse180 v_prenex_235) (+ (select .cse177 (+ .cse180 |c_main_~#B~0.offset|)) (select .cse176 (+ .cse180 |c_main_~#A~0.offset|)))))) (= (select .cse178 .cse160) (let ((.cse179 (store |c_#memory_int| |c_main_~#C~0.base| .cse178))) (+ (select (select .cse179 |c_main_~#B~0.base|) .cse163) (select (select .cse179 |c_main_~#A~0.base|) .cse162))))))))))) .cse31) (or (forall ((v_prenex_234 Int)) (let ((.cse182 (let ((.cse185 (* 4 (mod (+ c_main_~i~0 1) 4294967296))) (.cse184 (let ((.cse187 (* 4 (mod c_main_~i~0 4294967296)))) (store (select |c_#memory_int| |c_main_~#C~0.base|) (+ v_prenex_234 .cse187 (- 17179869184)) (+ (select (select |c_#memory_int| |c_main_~#A~0.base|) (+ .cse187 |c_main_~#A~0.offset| (- 17179869184))) (select (select |c_#memory_int| |c_main_~#B~0.base|) (+ |c_main_~#B~0.offset| .cse187 (- 17179869184)))))))) (store .cse184 (+ .cse185 v_prenex_234 (- 17179869184)) (let ((.cse186 (store |c_#memory_int| |c_main_~#C~0.base| .cse184))) (+ (select (select .cse186 |c_main_~#A~0.base|) (+ .cse185 |c_main_~#A~0.offset| (- 17179869184))) (select (select .cse186 |c_main_~#B~0.base|) (+ .cse185 |c_main_~#B~0.offset| (- 17179869184))))))))) (= (select .cse182 (+ v_prenex_234 4)) (let ((.cse183 (store |c_#memory_int| |c_main_~#C~0.base| .cse182))) (+ (select (select .cse183 |c_main_~#A~0.base|) (+ |c_main_~#A~0.offset| 4)) (select (select .cse183 |c_main_~#B~0.base|) (+ |c_main_~#B~0.offset| 4))))))) .cse30 .cse23) (or (forall ((v_prenex_237 Int)) (let ((.cse193 (let ((.cse200 (* 4 (mod c_main_~i~0 4294967296)))) (store (select |c_#memory_int| |c_main_~#C~0.base|) (+ v_prenex_237 .cse200) (+ (select (select |c_#memory_int| |c_main_~#B~0.base|) (+ |c_main_~#B~0.offset| .cse200)) (select (select |c_#memory_int| |c_main_~#A~0.base|) (+ .cse200 |c_main_~#A~0.offset|))))))) (let ((.cse199 (store |c_#memory_int| |c_main_~#C~0.base| .cse193))) (let ((.cse192 (+ |c_main_~#A~0.offset| 4)) (.cse191 (+ |c_main_~#B~0.offset| 4)) (.cse189 (+ v_prenex_237 4)) (.cse196 (select .cse199 |c_main_~#A~0.base|)) (.cse195 (select .cse199 |c_main_~#B~0.base|)) (.cse194 (* 4 (mod (+ c_main_~i~0 1) 4294967296)))) (or (let ((.cse188 (store .cse193 (+ .cse194 v_prenex_237) (+ (select .cse195 (+ .cse194 |c_main_~#B~0.offset|)) (select .cse196 (+ .cse194 |c_main_~#A~0.offset|)))))) (= (select .cse188 .cse189) (let ((.cse190 (store |c_#memory_int| |c_main_~#C~0.base| .cse188))) (+ (select (select .cse190 |c_main_~#B~0.base|) .cse191) (select (select .cse190 |c_main_~#A~0.base|) .cse192))))) (let ((.cse198 (store .cse193 (+ .cse194 v_prenex_237 (- 17179869184)) (+ (select .cse196 (+ .cse194 |c_main_~#A~0.offset| (- 17179869184))) (select .cse195 (+ .cse194 |c_main_~#B~0.offset| (- 17179869184))))))) (= (let ((.cse197 (store |c_#memory_int| |c_main_~#C~0.base| .cse198))) (+ (select (select .cse197 |c_main_~#A~0.base|) .cse192) (select (select .cse197 |c_main_~#B~0.base|) .cse191))) (select .cse198 .cse189)))))))) .cse31) (or (forall ((v_prenex_231 Int)) (let ((.cse206 (let ((.cse213 (* 4 (mod c_main_~i~0 4294967296)))) (store (select |c_#memory_int| |c_main_~#C~0.base|) (+ v_prenex_231 .cse213 (- 17179869184)) (+ (select (select |c_#memory_int| |c_main_~#A~0.base|) (+ .cse213 |c_main_~#A~0.offset| (- 17179869184))) (select (select |c_#memory_int| |c_main_~#B~0.base|) (+ |c_main_~#B~0.offset| .cse213 (- 17179869184)))))))) (let ((.cse212 (store |c_#memory_int| |c_main_~#C~0.base| .cse206))) (let ((.cse205 (+ |c_main_~#A~0.offset| 4)) (.cse204 (+ |c_main_~#B~0.offset| 4)) (.cse202 (+ v_prenex_231 4)) (.cse209 (select .cse212 |c_main_~#B~0.base|)) (.cse208 (select .cse212 |c_main_~#A~0.base|)) (.cse207 (* 4 (mod (+ c_main_~i~0 1) 4294967296)))) (or (let ((.cse201 (store .cse206 (+ .cse207 v_prenex_231 (- 17179869184)) (+ (select .cse208 (+ .cse207 |c_main_~#A~0.offset| (- 17179869184))) (select .cse209 (+ .cse207 |c_main_~#B~0.offset| (- 17179869184))))))) (= (select .cse201 .cse202) (let ((.cse203 (store |c_#memory_int| |c_main_~#C~0.base| .cse201))) (+ (select (select .cse203 |c_main_~#B~0.base|) .cse204) (select (select .cse203 |c_main_~#A~0.base|) .cse205))))) (let ((.cse211 (store .cse206 (+ .cse207 v_prenex_231) (+ (select .cse209 (+ .cse207 |c_main_~#B~0.offset|)) (select .cse208 (+ .cse207 |c_main_~#A~0.offset|)))))) (= (let ((.cse210 (store |c_#memory_int| |c_main_~#C~0.base| .cse211))) (+ (select (select .cse210 |c_main_~#A~0.base|) .cse205) (select (select .cse210 |c_main_~#B~0.base|) .cse204))) (select .cse211 .cse202)))))))) .cse23)))) is different from true [2018-11-23 07:38:43,896 WARN L180 SmtUtils]: Spent 2.60 s on a formula simplification that was a NOOP. DAG size: 126 [2018-11-23 07:38:48,166 WARN L180 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 126 DAG size of output: 77 [2018-11-23 07:39:16,131 WARN L180 SmtUtils]: Spent 16.19 s on a formula simplification. DAG size of input: 253 DAG size of output: 146 [2018-11-23 07:39:22,660 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2803 treesize of output 1210 [2018-11-23 07:39:22,819 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 76 [2018-11-23 07:39:22,823 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:22,823 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 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 32 treesize of output 46 [2018-11-23 07:39:22,823 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:22,881 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 524 treesize of output 403 [2018-11-23 07:39:23,334 WARN L180 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 122 [2018-11-23 07:39:23,337 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 207 treesize of output 174 [2018-11-23 07:39:23,365 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:23,367 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 102 treesize of output 104 [2018-11-23 07:39:23,367 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:23,394 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:23,397 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 372 treesize of output 303 [2018-11-23 07:39:23,444 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:39:23,445 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:23,454 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 194 treesize of output 188 [2018-11-23 07:39:23,454 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:23,475 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:23,478 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 372 treesize of output 303 [2018-11-23 07:39:23,527 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:39:23,527 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:23,530 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 202 treesize of output 188 [2018-11-23 07:39:23,530 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:23,550 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:23,552 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 174 [2018-11-23 07:39:23,590 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:23,603 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 110 treesize of output 119 [2018-11-23 07:39:23,603 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 07:39:23,630 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:23,772 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 368 treesize of output 310 [2018-11-23 07:39:23,882 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 98 [2018-11-23 07:39:23,888 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:23,888 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:23,898 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 1 case distinctions, treesize of input 217 treesize of output 338 [2018-11-23 07:39:23,898 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:24,052 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:24,053 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:24,069 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 209 treesize of output 231 [2018-11-23 07:39:24,070 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-11-23 07:39:24,080 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:24,135 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 219 treesize of output 245 [2018-11-23 07:39:24,136 INFO L267 ElimStorePlain]: Start of recursive call 16: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-23 07:39:24,351 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-23 07:39:24,530 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:39:24,532 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 228 treesize of output 147 [2018-11-23 07:39:24,616 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:24,616 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:24,658 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 119 treesize of output 186 [2018-11-23 07:39:24,659 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 8 xjuncts. [2018-11-23 07:39:24,665 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:24,665 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:24,723 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 10 case distinctions, treesize of input 194 treesize of output 263 [2018-11-23 07:39:24,726 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 32 xjuncts. [2018-11-23 07:39:24,734 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:24,735 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:24,735 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:24,736 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:39:24,749 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 154 [2018-11-23 07:39:24,749 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:24,753 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:24,754 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:39:24,755 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:24,765 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 142 [2018-11-23 07:39:24,765 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:24,773 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:24,773 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:24,841 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 10 case distinctions, treesize of input 274 treesize of output 321 [2018-11-23 07:39:24,845 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 32 xjuncts. [2018-11-23 07:39:24,850 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:24,852 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:24,923 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 10 case distinctions, treesize of input 194 treesize of output 273 [2018-11-23 07:39:24,928 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 32 xjuncts. [2018-11-23 07:39:25,548 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 50 treesize of output 44 [2018-11-23 07:39:25,551 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:25,553 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 24 [2018-11-23 07:39:25,553 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:25,562 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:25,565 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 59 treesize of output 55 [2018-11-23 07:39:25,568 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:25,572 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 12 [2018-11-23 07:39:25,572 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:25,585 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:25,588 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 43 treesize of output 39 [2018-11-23 07:39:25,591 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:25,592 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 17 treesize of output 5 [2018-11-23 07:39:25,592 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:25,602 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:25,605 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 111 [2018-11-23 07:39:25,647 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:25,648 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:25,649 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:25,649 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:25,678 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 85 [2018-11-23 07:39:25,679 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 4 xjuncts. [2018-11-23 07:39:25,683 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:25,683 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:25,684 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:25,684 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:25,703 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 85 [2018-11-23 07:39:25,704 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 4 xjuncts. [2018-11-23 07:39:25,706 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-23 07:39:25,706 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:25,747 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:25,765 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:25,770 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:39:25,773 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 328 treesize of output 211 [2018-11-23 07:39:25,853 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:25,855 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:25,862 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:25,910 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 9 case distinctions, treesize of input 272 treesize of output 289 [2018-11-23 07:39:25,914 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 32 xjuncts. [2018-11-23 07:39:25,918 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:25,919 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:25,919 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:25,919 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:25,921 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:39:25,929 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 175 treesize of output 178 [2018-11-23 07:39:25,929 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:25,932 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:25,935 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:25,939 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:25,993 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 161 treesize of output 203 [2018-11-23 07:39:25,994 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 8 xjuncts. [2018-11-23 07:39:26,225 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 41 treesize of output 37 [2018-11-23 07:39:26,228 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:26,230 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 17 treesize of output 5 [2018-11-23 07:39:26,230 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:26,239 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:26,242 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 50 treesize of output 46 [2018-11-23 07:39:26,245 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:26,248 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 21 treesize of output 11 [2018-11-23 07:39:26,248 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:26,260 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:26,263 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 107 [2018-11-23 07:39:26,300 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-23 07:39:26,300 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:26,302 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-23 07:39:26,303 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:26,306 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:26,308 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:26,309 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:26,309 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:26,309 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:26,325 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 73 [2018-11-23 07:39:26,325 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 2 xjuncts. [2018-11-23 07:39:26,356 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:26,372 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:26,376 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:39:26,379 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 230 treesize of output 147 [2018-11-23 07:39:26,461 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:26,463 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:26,549 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 16 case distinctions, treesize of input 206 treesize of output 267 [2018-11-23 07:39:26,549 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-23 07:39:26,592 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 256 xjuncts. [2018-11-23 07:39:26,597 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:26,602 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:26,603 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:26,604 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:26,618 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:39:26,678 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 133 treesize of output 180 [2018-11-23 07:39:26,679 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 3 xjuncts. [2018-11-23 07:39:26,688 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:26,691 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:26,787 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 16 case distinctions, treesize of input 286 treesize of output 335 [2018-11-23 07:39:26,787 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-23 07:39:26,839 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 256 xjuncts. [2018-11-23 07:39:26,846 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:26,847 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:39:26,856 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:26,883 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 0 new quantified variables, introduced 5 case distinctions, treesize of input 133 treesize of output 164 [2018-11-23 07:39:26,883 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 3 xjuncts. [2018-11-23 07:39:26,891 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:26,894 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:26,985 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 16 case distinctions, treesize of input 206 treesize of output 277 [2018-11-23 07:39:26,985 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-11-23 07:39:27,024 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 256 xjuncts. [2018-11-23 07:39:27,030 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:27,032 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:27,121 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 14 case distinctions, treesize of input 131 treesize of output 197 [2018-11-23 07:39:27,121 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-23 07:39:27,131 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 64 xjuncts. [2018-11-23 07:39:37,180 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 104 [2018-11-23 07:39:37,209 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:37,209 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:37,212 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:37,212 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:37,246 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 105 [2018-11-23 07:39:37,252 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 32 xjuncts. [2018-11-23 07:39:37,436 INFO L267 ElimStorePlain]: Start of recursive call 53: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-11-23 07:39:37,439 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 108 [2018-11-23 07:39:37,470 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:37,471 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:37,473 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:37,474 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:37,509 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 42 treesize of output 87 [2018-11-23 07:39:37,510 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 8 xjuncts. [2018-11-23 07:39:37,661 INFO L267 ElimStorePlain]: Start of recursive call 55: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-11-23 07:39:37,666 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 47 treesize of output 41 [2018-11-23 07:39:37,669 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:37,671 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2018-11-23 07:39:37,671 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:37,683 INFO L267 ElimStorePlain]: Start of recursive call 57: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:37,685 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 54 treesize of output 48 [2018-11-23 07:39:37,689 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:37,699 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 36 [2018-11-23 07:39:37,700 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 4 xjuncts. [2018-11-23 07:39:37,757 INFO L267 ElimStorePlain]: Start of recursive call 59: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 07:39:37,759 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 51 treesize of output 45 [2018-11-23 07:39:37,762 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:37,766 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 23 treesize of output 14 [2018-11-23 07:39:37,766 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:37,783 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:37,785 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 43 treesize of output 39 [2018-11-23 07:39:37,787 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:37,789 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 17 treesize of output 5 [2018-11-23 07:39:37,789 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:37,800 INFO L267 ElimStorePlain]: Start of recursive call 63: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:37,803 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 59 treesize of output 51 [2018-11-23 07:39:37,806 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:37,807 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:37,814 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 32 [2018-11-23 07:39:37,815 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:37,829 INFO L267 ElimStorePlain]: Start of recursive call 65: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:37,832 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 99 [2018-11-23 07:39:37,861 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:37,861 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:37,862 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:37,862 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:37,862 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:37,875 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 55 [2018-11-23 07:39:37,876 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 2 xjuncts. [2018-11-23 07:39:37,898 INFO L267 ElimStorePlain]: Start of recursive call 67: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:37,900 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 52 treesize of output 46 [2018-11-23 07:39:37,902 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:37,902 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:37,909 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 31 [2018-11-23 07:39:37,909 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 2 xjuncts. [2018-11-23 07:39:37,935 INFO L267 ElimStorePlain]: Start of recursive call 69: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 07:39:38,163 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 10 xjuncts. [2018-11-23 07:39:38,386 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 116 treesize of output 109 [2018-11-23 07:39:38,472 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 107 treesize of output 95 [2018-11-23 07:39:38,472 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:38,532 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:38,533 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:39:38,537 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 86 treesize of output 90 [2018-11-23 07:39:38,537 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:38,597 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 65 [2018-11-23 07:39:38,619 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 20 [2018-11-23 07:39:38,620 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 2 xjuncts. [2018-11-23 07:39:38,638 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:38,639 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 17 treesize of output 5 [2018-11-23 07:39:38,639 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:38,653 INFO L267 ElimStorePlain]: Start of recursive call 74: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 07:39:38,715 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:38,716 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 76 [2018-11-23 07:39:38,754 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-23 07:39:38,754 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:38,757 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:39:38,758 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:39:38,767 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 61 [2018-11-23 07:39:38,782 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:38,783 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 24 treesize of output 9 [2018-11-23 07:39:38,783 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:38,789 INFO L267 ElimStorePlain]: Start of recursive call 79: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:38,792 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:38,793 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:39:38,794 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:39:38,804 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 84 [2018-11-23 07:39:38,823 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:38,824 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 24 treesize of output 9 [2018-11-23 07:39:38,824 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:38,831 INFO L267 ElimStorePlain]: Start of recursive call 81: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:38,843 INFO L267 ElimStorePlain]: Start of recursive call 77: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:38,899 INFO L267 ElimStorePlain]: Start of recursive call 71: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-23 07:39:38,901 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:38,903 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 33 [2018-11-23 07:39:38,906 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 12 treesize of output 1 [2018-11-23 07:39:38,906 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:38,917 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:38,920 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 15 treesize of output 5 [2018-11-23 07:39:38,920 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:38,926 INFO L267 ElimStorePlain]: Start of recursive call 83: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:39,065 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 8 xjuncts. [2018-11-23 07:39:39,162 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 525 treesize of output 404 [2018-11-23 07:39:39,579 WARN L180 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 122 [2018-11-23 07:39:39,582 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 208 treesize of output 175 [2018-11-23 07:39:39,612 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:39,623 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 110 treesize of output 119 [2018-11-23 07:39:39,624 INFO L267 ElimStorePlain]: Start of recursive call 88: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 07:39:39,640 INFO L267 ElimStorePlain]: Start of recursive call 87: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:39,643 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 373 treesize of output 304 [2018-11-23 07:39:39,697 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:39:39,698 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:39,700 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 188 [2018-11-23 07:39:39,700 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:39,714 INFO L267 ElimStorePlain]: Start of recursive call 89: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:39,716 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 205 treesize of output 172 [2018-11-23 07:39:39,744 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:39,755 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 110 treesize of output 119 [2018-11-23 07:39:39,755 INFO L267 ElimStorePlain]: Start of recursive call 92: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 07:39:39,772 INFO L267 ElimStorePlain]: Start of recursive call 91: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:39,897 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 373 treesize of output 316 [2018-11-23 07:39:40,007 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 103 [2018-11-23 07:39:40,011 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:40,011 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:40,017 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 1 case distinctions, treesize of input 214 treesize of output 226 [2018-11-23 07:39:40,018 INFO L267 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:40,021 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:40,025 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:40,041 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 0 new quantified variables, introduced 4 case distinctions, treesize of input 229 treesize of output 269 [2018-11-23 07:39:40,042 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 2 xjuncts. [2018-11-23 07:39:40,047 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:40,051 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:40,087 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 6 case distinctions, treesize of input 393 treesize of output 408 [2018-11-23 07:39:40,088 INFO L267 ElimStorePlain]: Start of recursive call 96: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-23 07:39:40,200 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:40,202 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 207 treesize of output 268 [2018-11-23 07:39:40,202 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:40,255 INFO L267 ElimStorePlain]: Start of recursive call 93: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 07:39:40,379 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 0 case distinctions, treesize of input 137 treesize of output 120 [2018-11-23 07:39:40,381 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 13 treesize of output 1 [2018-11-23 07:39:40,381 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:40,393 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 100 treesize of output 75 [2018-11-23 07:39:40,413 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:40,415 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:40,415 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:40,419 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:39:40,443 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 8 case distinctions, treesize of input 88 treesize of output 111 [2018-11-23 07:39:40,588 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 95 [2018-11-23 07:39:40,590 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:40,595 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 28 [2018-11-23 07:39:40,595 INFO L267 ElimStorePlain]: Start of recursive call 102: End of recursive call: and 2 xjuncts. [2018-11-23 07:39:40,645 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:40,646 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 28 treesize of output 17 [2018-11-23 07:39:40,646 INFO L267 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:40,716 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:40,717 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:40,718 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:40,721 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2018-11-23 07:39:40,722 INFO L267 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 2 xjuncts. [2018-11-23 07:39:40,764 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:40,764 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:40,765 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2018-11-23 07:39:40,765 INFO L267 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:40,784 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:40,784 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:40,784 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-11-23 07:39:40,784 INFO L267 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:40,791 INFO L267 ElimStorePlain]: Start of recursive call 101: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:40,794 INFO L267 ElimStorePlain]: Start of recursive call 100: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:40,798 INFO L267 ElimStorePlain]: Start of recursive call 98: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:40,803 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 0 case distinctions, treesize of input 137 treesize of output 103 [2018-11-23 07:39:40,831 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:40,833 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:39:40,847 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 4 case distinctions, treesize of input 69 treesize of output 90 [2018-11-23 07:39:40,848 INFO L267 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 3 xjuncts. [2018-11-23 07:39:40,883 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 68 [2018-11-23 07:39:40,904 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:40,909 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 25 [2018-11-23 07:39:40,910 INFO L267 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 2 xjuncts. [2018-11-23 07:39:40,922 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:40,923 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-11-23 07:39:40,924 INFO L267 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:40,927 INFO L267 ElimStorePlain]: Start of recursive call 109: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:40,931 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 67 [2018-11-23 07:39:40,951 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:40,952 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 17 treesize of output 5 [2018-11-23 07:39:40,952 INFO L267 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:40,961 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:40,962 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-11-23 07:39:40,962 INFO L267 ElimStorePlain]: Start of recursive call 114: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:40,966 INFO L267 ElimStorePlain]: Start of recursive call 112: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:40,974 INFO L267 ElimStorePlain]: Start of recursive call 107: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:41,094 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 228 treesize of output 184 [2018-11-23 07:39:41,108 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 170 treesize of output 158 [2018-11-23 07:39:41,218 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2018-11-23 07:39:41,221 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:41,222 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 146 [2018-11-23 07:39:41,222 INFO L267 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:41,225 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:41,225 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:41,229 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 159 [2018-11-23 07:39:41,229 INFO L267 ElimStorePlain]: Start of recursive call 118: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:41,319 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:41,319 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:41,325 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 1 case distinctions, treesize of input 116 treesize of output 133 [2018-11-23 07:39:41,325 INFO L267 ElimStorePlain]: Start of recursive call 119: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:41,329 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:41,331 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:39:41,345 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 0 new quantified variables, introduced 4 case distinctions, treesize of input 117 treesize of output 148 [2018-11-23 07:39:41,346 INFO L267 ElimStorePlain]: Start of recursive call 120: End of recursive call: and 2 xjuncts. [2018-11-23 07:39:41,441 INFO L267 ElimStorePlain]: Start of recursive call 116: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-23 07:39:41,739 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 07:39:41,740 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_515 |main_~#B~0.offset| v_prenex_258) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:219) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:208) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.convert(DerPreprocessor.java:191) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:253) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:211) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:418) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getTraceCheck(BaseTaipanRefinementStrategy.java:214) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 07:39:41,743 INFO L168 Benchmark]: Toolchain (without parser) took 113660.07 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 516.9 MB). Free memory was 959.1 MB in the beginning and 1.5 GB in the end (delta: -518.8 MB). Peak memory consumption was 947.2 MB. Max. memory is 11.5 GB. [2018-11-23 07:39:41,743 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:39:41,743 INFO L168 Benchmark]: CACSL2BoogieTranslator took 164.55 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:39:41,743 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.85 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:39:41,744 INFO L168 Benchmark]: Boogie Preprocessor took 56.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-23 07:39:41,744 INFO L168 Benchmark]: RCFGBuilder took 195.91 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: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:39:41,744 INFO L168 Benchmark]: TraceAbstraction took 113222.88 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 399.0 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -384.3 MB). Peak memory consumption was 963.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:39:41,746 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 164.55 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.85 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 195.91 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: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 113222.88 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 399.0 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -384.3 MB). Peak memory consumption was 963.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_515 |main_~#B~0.offset| v_prenex_258) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_515 |main_~#B~0.offset| v_prenex_258): de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 07:39:43,143 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:39:43,145 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:39:43,153 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:39:43,153 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:39:43,154 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:39:43,155 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:39:43,156 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:39:43,157 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:39:43,157 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:39:43,158 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:39:43,159 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:39:43,159 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:39:43,160 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:39:43,160 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:39:43,161 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:39:43,161 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:39:43,163 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:39:43,165 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:39:43,166 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:39:43,166 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:39:43,167 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:39:43,169 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:39:43,169 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:39:43,169 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:39:43,170 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:39:43,171 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:39:43,171 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:39:43,172 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:39:43,173 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:39:43,173 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:39:43,173 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:39:43,173 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:39:43,174 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:39:43,175 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:39:43,176 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:39:43,176 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 07:39:43,186 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:39:43,186 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:39:43,187 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:39:43,187 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:39:43,187 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 07:39:43,187 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 07:39:43,187 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 07:39:43,187 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 07:39:43,188 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 07:39:43,188 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 07:39:43,188 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:39:43,188 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:39:43,188 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:39:43,189 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:39:43,189 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:39:43,189 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:39:43,189 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:39:43,189 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 07:39:43,189 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 07:39:43,189 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:39:43,189 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:39:43,190 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:39:43,190 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:39:43,190 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:39:43,190 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:39:43,192 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:39:43,192 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:39:43,192 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:39:43,193 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:39:43,193 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:39:43,193 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:39:43,193 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 07:39:43,193 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:39:43,193 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 07:39:43,193 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 07:39:43,194 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan 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(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b9d5b899329d226cc122e0e630838bf1a0468fd [2018-11-23 07:39:43,223 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:39:43,232 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:39:43,234 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:39:43,235 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:39:43,236 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:39:43,236 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/../../sv-benchmarks/c/loops/sum_array_true-unreach-call.i [2018-11-23 07:39:43,272 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/data/18e6e1793/f4c4751b43d0456498bae138a7341f56/FLAG7feedf742 [2018-11-23 07:39:43,571 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:39:43,571 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/sv-benchmarks/c/loops/sum_array_true-unreach-call.i [2018-11-23 07:39:43,575 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/data/18e6e1793/f4c4751b43d0456498bae138a7341f56/FLAG7feedf742 [2018-11-23 07:39:43,584 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/data/18e6e1793/f4c4751b43d0456498bae138a7341f56 [2018-11-23 07:39:43,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:39:43,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:39:43,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:39:43,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:39:43,591 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:39:43,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:39:43" (1/1) ... [2018-11-23 07:39:43,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50e4942f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:39:43, skipping insertion in model container [2018-11-23 07:39:43,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:39:43" (1/1) ... [2018-11-23 07:39:43,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:39:43,617 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:39:43,748 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:39:43,751 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:39:43,768 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:39:43,781 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:39:43,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:39:43 WrapperNode [2018-11-23 07:39:43,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:39:43,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:39:43,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:39:43,782 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:39:43,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:39:43" (1/1) ... [2018-11-23 07:39:43,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:39:43" (1/1) ... [2018-11-23 07:39:43,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:39:43,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:39:43,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:39:43,798 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:39:43,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:39:43" (1/1) ... [2018-11-23 07:39:43,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:39:43" (1/1) ... [2018-11-23 07:39:43,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:39:43" (1/1) ... [2018-11-23 07:39:43,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:39:43" (1/1) ... [2018-11-23 07:39:43,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:39:43" (1/1) ... [2018-11-23 07:39:43,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:39:43" (1/1) ... [2018-11-23 07:39:43,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:39:43" (1/1) ... [2018-11-23 07:39:43,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:39:43,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:39:43,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:39:43,819 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:39:43,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:39:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:39:43,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 07:39:43,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 07:39:43,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:39:43,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 07:39:43,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:39:43,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:39:43,898 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 07:39:43,898 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 07:39:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 07:39:43,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 07:39:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 07:39:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 07:39:44,085 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:39:44,086 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 07:39:44,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:39:44 BoogieIcfgContainer [2018-11-23 07:39:44,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:39:44,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:39:44,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:39:44,089 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:39:44,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:39:43" (1/3) ... [2018-11-23 07:39:44,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a926f3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:39:44, skipping insertion in model container [2018-11-23 07:39:44,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:39:43" (2/3) ... [2018-11-23 07:39:44,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a926f3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:39:44, skipping insertion in model container [2018-11-23 07:39:44,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:39:44" (3/3) ... [2018-11-23 07:39:44,091 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_array_true-unreach-call.i [2018-11-23 07:39:44,097 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:39:44,103 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 07:39:44,116 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 07:39:44,133 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 07:39:44,134 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:39:44,134 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:39:44,134 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:39:44,134 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:39:44,134 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:39:44,134 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:39:44,134 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:39:44,134 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:39:44,144 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2018-11-23 07:39:44,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 07:39:44,147 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:39:44,147 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:39:44,149 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:39:44,152 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:39:44,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1823924036, now seen corresponding path program 1 times [2018-11-23 07:39:44,154 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 07:39:44,155 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 07:39:44,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:39:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:39:44,201 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:39:44,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:39:44,215 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 07:39:44,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:39:44,220 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 07:39:44,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 07:39:44,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 07:39:44,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 07:39:44,233 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 2 states. [2018-11-23 07:39:44,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:39:44,247 INFO L93 Difference]: Finished difference Result 55 states and 73 transitions. [2018-11-23 07:39:44,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 07:39:44,248 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-11-23 07:39:44,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:39:44,253 INFO L225 Difference]: With dead ends: 55 [2018-11-23 07:39:44,253 INFO L226 Difference]: Without dead ends: 27 [2018-11-23 07:39:44,255 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 07:39:44,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-11-23 07:39:44,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-11-23 07:39:44,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-23 07:39:44,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2018-11-23 07:39:44,278 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 17 [2018-11-23 07:39:44,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:39:44,279 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2018-11-23 07:39:44,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 07:39:44,279 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2018-11-23 07:39:44,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 07:39:44,280 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:39:44,280 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:39:44,280 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:39:44,280 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:39:44,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1169658974, now seen corresponding path program 1 times [2018-11-23 07:39:44,281 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 07:39:44,281 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 07:39:44,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:39:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:39:44,326 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:39:44,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:39:44,355 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 07:39:44,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:39:44,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 07:39:44,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 07:39:44,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 07:39:44,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 07:39:44,357 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand 4 states. [2018-11-23 07:39:44,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:39:44,460 INFO L93 Difference]: Finished difference Result 62 states and 73 transitions. [2018-11-23 07:39:44,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 07:39:44,461 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-11-23 07:39:44,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:39:44,463 INFO L225 Difference]: With dead ends: 62 [2018-11-23 07:39:44,463 INFO L226 Difference]: Without dead ends: 39 [2018-11-23 07:39:44,464 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 07:39:44,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-11-23 07:39:44,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 30. [2018-11-23 07:39:44,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-11-23 07:39:44,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2018-11-23 07:39:44,470 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 17 [2018-11-23 07:39:44,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:39:44,470 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2018-11-23 07:39:44,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 07:39:44,471 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2018-11-23 07:39:44,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 07:39:44,471 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:39:44,471 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:39:44,472 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:39:44,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:39:44,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1835570138, now seen corresponding path program 1 times [2018-11-23 07:39:44,472 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 07:39:44,472 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 07:39:44,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:39:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:39:44,563 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:39:44,610 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:39:44,614 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 29 [2018-11-23 07:39:44,647 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:39:44,648 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:39:44,649 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 16 treesize of output 13 [2018-11-23 07:39:44,649 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:44,657 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:44,673 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:44,674 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:25 [2018-11-23 07:39:44,699 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 07:39:44,704 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-23 07:39:44,705 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:44,709 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:44,746 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:44,746 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:40, output treesize:29 [2018-11-23 07:39:44,856 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-23 07:39:44,866 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-23 07:39:44,866 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:44,874 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:44,899 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:44,900 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:47, output treesize:36 [2018-11-23 07:39:45,080 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 45 [2018-11-23 07:39:45,084 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 18 treesize of output 17 [2018-11-23 07:39:45,085 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:45,101 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:45,130 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:45,130 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:57, output treesize:53 [2018-11-23 07:39:45,262 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 49 [2018-11-23 07:39:45,268 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 22 treesize of output 36 [2018-11-23 07:39:45,268 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:45,305 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 31 treesize of output 20 [2018-11-23 07:39:45,305 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:45,324 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 22 treesize of output 26 [2018-11-23 07:39:45,325 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:45,340 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:45,365 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:45,365 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:65, output treesize:20 [2018-11-23 07:39:45,466 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:39:45,466 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:39:49,567 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 271 treesize of output 117 [2018-11-23 07:39:50,626 WARN L180 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2018-11-23 07:39:50,641 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 13 treesize of output 12 [2018-11-23 07:39:50,641 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:51,089 INFO L303 Elim1Store]: Index analysis took 112 ms [2018-11-23 07:39:51,200 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 159 treesize of output 115 [2018-11-23 07:39:52,137 WARN L180 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 91 [2018-11-23 07:39:52,145 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 40 treesize of output 39 [2018-11-23 07:39:52,146 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:52,149 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 49 treesize of output 48 [2018-11-23 07:39:52,150 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:52,154 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 45 treesize of output 44 [2018-11-23 07:39:52,154 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:52,631 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 52 [2018-11-23 07:39:52,632 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-23 07:39:52,659 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 2 case distinctions, treesize of input 42 treesize of output 52 [2018-11-23 07:39:52,660 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-11-23 07:39:52,737 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 5 case distinctions, treesize of input 51 treesize of output 84 [2018-11-23 07:39:52,739 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 8 xjuncts. [2018-11-23 07:39:53,525 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2018-11-23 07:39:53,534 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 7 [2018-11-23 07:39:53,534 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:53,550 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:53,553 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 42 [2018-11-23 07:39:53,569 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 20 [2018-11-23 07:39:53,570 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-11-23 07:39:53,591 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:53,594 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 43 treesize of output 37 [2018-11-23 07:39:53,608 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 16 [2018-11-23 07:39:53,609 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2018-11-23 07:39:53,637 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 07:39:53,640 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2018-11-23 07:39:53,665 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 31 [2018-11-23 07:39:53,666 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 4 xjuncts. [2018-11-23 07:39:53,712 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 07:39:53,715 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2018-11-23 07:39:53,754 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 36 [2018-11-23 07:39:53,756 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 8 xjuncts. [2018-11-23 07:39:53,847 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 07:39:53,853 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 39 treesize of output 35 [2018-11-23 07:39:53,862 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-23 07:39:53,863 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:53,888 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:54,317 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 42 treesize of output 37 [2018-11-23 07:39:54,328 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2018-11-23 07:39:54,329 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 2 xjuncts. [2018-11-23 07:39:54,341 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 07:39:54,350 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 42 treesize of output 37 [2018-11-23 07:39:54,353 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 10 treesize of output 1 [2018-11-23 07:39:54,354 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:54,362 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:54,677 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 8 xjuncts. [2018-11-23 07:39:54,693 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 63 [2018-11-23 07:39:54,793 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 2 case distinctions, treesize of input 20 treesize of output 30 [2018-11-23 07:39:54,793 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 2 xjuncts. [2018-11-23 07:39:54,831 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 17 treesize of output 15 [2018-11-23 07:39:54,833 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 6 treesize of output 1 [2018-11-23 07:39:54,834 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:54,837 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:54,840 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 21 treesize of output 17 [2018-11-23 07:39:54,863 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 12 [2018-11-23 07:39:54,864 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 2 xjuncts. [2018-11-23 07:39:54,872 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 07:39:54,884 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:54,973 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 7 xjuncts. [2018-11-23 07:39:55,052 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 7 xjuncts. [2018-11-23 07:39:55,052 INFO L202 ElimStorePlain]: Needed 32 recursive calls to eliminate 3 variables, input treesize:280, output treesize:96 [2018-11-23 07:39:55,780 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:39:55,781 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:39:55,781 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 07:39:55,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:39:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:39:55,931 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:39:55,951 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:39:55,952 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 29 [2018-11-23 07:39:55,975 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:39:55,975 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:39:55,976 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 18 treesize of output 13 [2018-11-23 07:39:55,976 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:55,981 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:55,994 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:55,994 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:25 [2018-11-23 07:39:56,002 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 07:39:56,006 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-23 07:39:56,006 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:56,009 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:56,029 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:56,030 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:40, output treesize:29 [2018-11-23 07:39:56,042 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-23 07:39:56,046 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-23 07:39:56,046 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:56,054 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:56,076 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:56,076 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:47, output treesize:36 [2018-11-23 07:39:56,096 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 45 [2018-11-23 07:39:56,100 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 18 treesize of output 17 [2018-11-23 07:39:56,100 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:56,115 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:56,145 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:56,145 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:57, output treesize:53 [2018-11-23 07:39:56,163 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 49 [2018-11-23 07:39:56,171 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 36 [2018-11-23 07:39:56,171 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:56,202 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 26 treesize of output 36 [2018-11-23 07:39:56,203 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:56,218 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 33 treesize of output 20 [2018-11-23 07:39:56,219 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:56,227 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:56,241 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:39:56,241 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:65, output treesize:20 [2018-11-23 07:39:56,274 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:39:56,274 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:39:57,680 INFO L303 Elim1Store]: Index analysis took 103 ms [2018-11-23 07:39:57,680 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 271 treesize of output 117 [2018-11-23 07:39:58,707 WARN L180 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2018-11-23 07:39:58,751 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 13 treesize of output 12 [2018-11-23 07:39:58,752 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:39:59,198 INFO L303 Elim1Store]: Index analysis took 182 ms [2018-11-23 07:39:59,278 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 159 treesize of output 115 [2018-11-23 07:40:00,311 WARN L180 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 146 DAG size of output: 96 [2018-11-23 07:40:01,391 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 68 [2018-11-23 07:40:01,392 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-11-23 07:40:01,417 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 2 case distinctions, treesize of input 42 treesize of output 52 [2018-11-23 07:40:01,418 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-11-23 07:40:01,487 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 88 [2018-11-23 07:40:01,490 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-23 07:40:01,515 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 57 [2018-11-23 07:40:01,516 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-23 07:40:01,539 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 2 case distinctions, treesize of input 42 treesize of output 52 [2018-11-23 07:40:01,540 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-11-23 07:40:01,616 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 62 treesize of output 95 [2018-11-23 07:40:01,620 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-23 07:40:02,647 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 40 treesize of output 39 [2018-11-23 07:40:02,647 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-23 07:40:02,650 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 41 [2018-11-23 07:40:02,651 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-23 07:40:03,069 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 41 treesize of output 35 [2018-11-23 07:40:03,085 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 18 [2018-11-23 07:40:03,086 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-11-23 07:40:03,104 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 6 treesize of output 1 [2018-11-23 07:40:03,104 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-23 07:40:03,117 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 07:40:03,122 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 39 treesize of output 33 [2018-11-23 07:40:03,126 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 10 treesize of output 1 [2018-11-23 07:40:03,126 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-23 07:40:03,139 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 12 treesize of output 3 [2018-11-23 07:40:03,139 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-23 07:40:03,146 INFO L267 ElimStorePlain]: Start of recursive call 16: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:40:03,624 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 42 treesize of output 42 [2018-11-23 07:40:03,640 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 27 [2018-11-23 07:40:03,640 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 2 xjuncts. [2018-11-23 07:40:03,687 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 28 treesize of output 18 [2018-11-23 07:40:03,687 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-23 07:40:03,729 INFO L267 ElimStorePlain]: Start of recursive call 19: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 07:40:03,751 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 52 treesize of output 50 [2018-11-23 07:40:03,782 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 36 [2018-11-23 07:40:03,783 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 07:40:03,883 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 53 [2018-11-23 07:40:03,885 INFO L267 ElimStorePlain]: Start of recursive call 24: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-23 07:40:04,055 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 7 xjuncts. [2018-11-23 07:40:04,072 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 42 treesize of output 42 [2018-11-23 07:40:04,087 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 30 [2018-11-23 07:40:04,087 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2018-11-23 07:40:04,186 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 42 [2018-11-23 07:40:04,187 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 4 xjuncts. [2018-11-23 07:40:04,265 INFO L267 ElimStorePlain]: Start of recursive call 25: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-23 07:40:04,949 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 27 treesize of output 23 [2018-11-23 07:40:04,952 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-23 07:40:04,952 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-11-23 07:40:04,959 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:40:04,973 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 35 treesize of output 39 [2018-11-23 07:40:04,979 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 34 treesize of output 28 [2018-11-23 07:40:04,979 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-11-23 07:40:05,021 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2018-11-23 07:40:05,022 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-23 07:40:05,052 INFO L267 ElimStorePlain]: Start of recursive call 30: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:40:05,057 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 46 [2018-11-23 07:40:05,077 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 20 [2018-11-23 07:40:05,078 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 2 xjuncts. [2018-11-23 07:40:05,101 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:40:05,284 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 8 xjuncts. [2018-11-23 07:40:05,305 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 63 [2018-11-23 07:40:05,410 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 2 case distinctions, treesize of input 20 treesize of output 30 [2018-11-23 07:40:05,411 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 2 xjuncts. [2018-11-23 07:40:05,447 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 17 treesize of output 15 [2018-11-23 07:40:05,450 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 6 treesize of output 1 [2018-11-23 07:40:05,450 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-11-23 07:40:05,453 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:40:05,456 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 21 treesize of output 17 [2018-11-23 07:40:05,467 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 12 [2018-11-23 07:40:05,468 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 2 xjuncts. [2018-11-23 07:40:05,475 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 07:40:05,486 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:40:05,583 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 7 xjuncts. [2018-11-23 07:40:05,662 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 7 xjuncts. [2018-11-23 07:40:05,662 INFO L202 ElimStorePlain]: Needed 40 recursive calls to eliminate 3 variables, input treesize:280, output treesize:96 [2018-11-23 07:40:06,302 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:40:06,317 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-11-23 07:40:06,317 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14, 14] total 26 [2018-11-23 07:40:06,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-11-23 07:40:06,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-11-23 07:40:06,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=507, Unknown=0, NotChecked=0, Total=650 [2018-11-23 07:40:06,319 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand 26 states. [2018-11-23 07:40:14,609 WARN L180 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 28 [2018-11-23 07:40:15,517 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2018-11-23 07:40:20,205 WARN L180 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2018-11-23 07:40:20,404 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2018-11-23 07:40:21,271 WARN L180 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2018-11-23 07:40:24,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:40:24,349 INFO L93 Difference]: Finished difference Result 90 states and 105 transitions. [2018-11-23 07:40:24,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-23 07:40:24,350 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 25 [2018-11-23 07:40:24,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:40:24,351 INFO L225 Difference]: With dead ends: 90 [2018-11-23 07:40:24,351 INFO L226 Difference]: Without dead ends: 88 [2018-11-23 07:40:24,352 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 71 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 390 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=368, Invalid=1191, Unknown=1, NotChecked=0, Total=1560 [2018-11-23 07:40:24,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-11-23 07:40:24,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 51. [2018-11-23 07:40:24,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-11-23 07:40:24,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2018-11-23 07:40:24,361 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 25 [2018-11-23 07:40:24,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:40:24,362 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2018-11-23 07:40:24,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-11-23 07:40:24,362 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2018-11-23 07:40:24,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 07:40:24,363 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:40:24,363 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:40:24,363 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:40:24,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:40:24,364 INFO L82 PathProgramCache]: Analyzing trace with hash -27458091, now seen corresponding path program 2 times [2018-11-23 07:40:24,364 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 07:40:24,364 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 07:40:24,389 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-23 07:40:24,441 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 07:40:24,441 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 07:40:24,450 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:40:24,498 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:40:24,499 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:40:24,614 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:40:24,622 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:40:24,623 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 07:40:24,631 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 07:40:24,654 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 07:40:24,654 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 07:40:24,657 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:40:24,688 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:40:24,688 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:40:24,718 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 07:40:24,733 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-11-23 07:40:24,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 7, 7] total 17 [2018-11-23 07:40:24,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 07:40:24,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 07:40:24,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2018-11-23 07:40:24,734 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand 17 states. [2018-11-23 07:40:25,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:40:25,372 INFO L93 Difference]: Finished difference Result 175 states and 213 transitions. [2018-11-23 07:40:25,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 07:40:25,372 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 30 [2018-11-23 07:40:25,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:40:25,374 INFO L225 Difference]: With dead ends: 175 [2018-11-23 07:40:25,374 INFO L226 Difference]: Without dead ends: 143 [2018-11-23 07:40:25,375 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 101 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2018-11-23 07:40:25,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-11-23 07:40:25,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 106. [2018-11-23 07:40:25,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-23 07:40:25,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 121 transitions. [2018-11-23 07:40:25,390 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 121 transitions. Word has length 30 [2018-11-23 07:40:25,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:40:25,391 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 121 transitions. [2018-11-23 07:40:25,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 07:40:25,391 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 121 transitions. [2018-11-23 07:40:25,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 07:40:25,392 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:40:25,392 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:40:25,392 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:40:25,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:40:25,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1727233443, now seen corresponding path program 1 times [2018-11-23 07:40:25,392 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 07:40:25,392 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 07:40:25,404 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 07:40:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:40:25,435 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:40:25,457 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:40:25,457 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:40:25,520 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:40:25,521 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:40:25,522 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 07:40:25,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:40:25,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:40:25,550 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:40:25,554 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:40:25,555 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:40:25,565 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 07:40:25,590 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-11-23 07:40:25,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7, 7] total 11 [2018-11-23 07:40:25,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 07:40:25,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 07:40:25,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-11-23 07:40:25,591 INFO L87 Difference]: Start difference. First operand 106 states and 121 transitions. Second operand 11 states. [2018-11-23 07:40:25,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:40:25,766 INFO L93 Difference]: Finished difference Result 138 states and 155 transitions. [2018-11-23 07:40:25,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 07:40:25,767 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 33 [2018-11-23 07:40:25,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:40:25,767 INFO L225 Difference]: With dead ends: 138 [2018-11-23 07:40:25,767 INFO L226 Difference]: Without dead ends: 75 [2018-11-23 07:40:25,768 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-11-23 07:40:25,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-11-23 07:40:25,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 67. [2018-11-23 07:40:25,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-11-23 07:40:25,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 74 transitions. [2018-11-23 07:40:25,778 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 74 transitions. Word has length 33 [2018-11-23 07:40:25,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:40:25,778 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 74 transitions. [2018-11-23 07:40:25,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 07:40:25,778 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions. [2018-11-23 07:40:25,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 07:40:25,779 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:40:25,779 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:40:25,779 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:40:25,779 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:40:25,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1763760546, now seen corresponding path program 3 times [2018-11-23 07:40:25,780 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 07:40:25,780 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdf36e03-95b5-43cd-a150-371f01daf404/bin-2019/utaipan/cvc4nyu Starting monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 07:40:25,795 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2018-11-23 07:40:25,915 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-11-23 07:40:25,915 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 07:40:25,930 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:40:25,971 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:40:25,971 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 29 [2018-11-23 07:40:25,988 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:40:25,989 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:40:25,990 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 16 treesize of output 13 [2018-11-23 07:40:25,990 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:40:25,995 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:40:26,006 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:40:26,006 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:25 [2018-11-23 07:40:26,026 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-11-23 07:40:26,031 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 12 treesize of output 11 [2018-11-23 07:40:26,032 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:40:26,035 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:40:26,057 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:40:26,057 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:36 [2018-11-23 07:40:26,131 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-11-23 07:40:26,136 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:40:26,138 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 23 [2018-11-23 07:40:26,139 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:40:26,145 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:40:26,164 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:40:26,165 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:42, output treesize:29 [2018-11-23 07:40:26,213 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2018-11-23 07:40:26,218 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 12 treesize of output 11 [2018-11-23 07:40:26,218 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:40:26,226 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:40:26,270 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:40:26,271 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:62, output treesize:47 [2018-11-23 07:40:26,419 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2018-11-23 07:40:26,425 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:40:26,428 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 23 [2018-11-23 07:40:26,428 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:40:26,445 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:40:26,479 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:40:26,479 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:49, output treesize:36 [2018-11-23 07:40:26,553 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 65 [2018-11-23 07:40:26,557 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 30 treesize of output 29 [2018-11-23 07:40:26,557 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:40:26,573 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:40:26,606 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:40:26,607 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:80, output treesize:76 [2018-11-23 07:40:26,751 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 66 [2018-11-23 07:40:26,757 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 07:40:26,761 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 40 treesize of output 47 [2018-11-23 07:40:26,761 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:40:26,784 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:40:26,832 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:40:26,832 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:80, output treesize:76 [2018-11-23 07:40:27,044 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 60 [2018-11-23 07:40:27,051 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 28 treesize of output 9 [2018-11-23 07:40:27,051 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 07:40:27,072 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 20 treesize of output 28 [2018-11-23 07:40:27,072 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 07:40:27,089 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 27 treesize of output 16 [2018-11-23 07:40:27,089 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 07:40:27,099 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:40:27,116 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:40:27,116 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:82, output treesize:16 [2018-11-23 07:40:27,219 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:40:27,219 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:40:41,335 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-11-23 07:40:53,710 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-11-23 07:41:46,478 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2018-11-23 07:41:49,825 WARN L180 SmtUtils]: Spent 3.35 s on a formula simplification that was a NOOP. DAG size: 82 [2018-11-23 07:41:50,771 INFO L303 Elim1Store]: Index analysis took 945 ms [2018-11-23 07:41:52,040 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 2848 treesize of output 1708 [2018-11-23 07:44:22,131 WARN L180 SmtUtils]: Spent 2.50 m on a formula simplification. DAG size of input: 528 DAG size of output: 196 [2018-11-23 07:44:22,181 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 508 treesize of output 511 [2018-11-23 07:44:22,199 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:44:22,206 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 25 treesize of output 38 [2018-11-23 07:44:22,206 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 07:44:22,301 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:44:22,319 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 435 treesize of output 438 [2018-11-23 07:44:22,345 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:44:22,388 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 25 treesize of output 38 [2018-11-23 07:44:22,388 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-23 07:44:22,624 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:44:22,671 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 911 treesize of output 914 [2018-11-23 07:44:22,711 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:44:22,772 INFO L303 Elim1Store]: Index analysis took 101 ms [2018-11-23 07:44:22,773 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 25 treesize of output 38 [2018-11-23 07:44:22,773 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 07:44:23,048 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 07:45:36,124 INFO L303 Elim1Store]: Index analysis took 323 ms [2018-11-23 07:45:36,125 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1513 treesize of output 1172 [2018-11-23 07:45:39,968 WARN L180 SmtUtils]: Spent 3.84 s on a formula simplification that was a NOOP. DAG size: 97 [2018-11-23 07:45:40,931 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:45:41,507 INFO L303 Elim1Store]: Index analysis took 1537 ms [2018-11-23 07:45:41,716 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 561 treesize of output 399 [2018-11-23 07:45:42,370 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 07:45:44,715 INFO L303 Elim1Store]: Index analysis took 2997 ms [2018-11-23 07:45:45,584 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 07:45:45,585 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_arrayElimArr_16 input size 96 context size 96 output size 96 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:418) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 07:45:45,587 INFO L168 Benchmark]: Toolchain (without parser) took 361999.92 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 253.2 MB). Free memory was 948.7 MB in the beginning and 1.2 GB in the end (delta: -232.7 MB). Peak memory consumption was 433.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:45:45,588 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:45:45,588 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.52 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 07:45:45,588 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.77 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:45:45,588 INFO L168 Benchmark]: Boogie Preprocessor took 20.22 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:45:45,588 INFO L168 Benchmark]: RCFGBuilder took 268.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -165.5 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2018-11-23 07:45:45,589 INFO L168 Benchmark]: TraceAbstraction took 361499.84 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 123.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -83.3 MB). Peak memory consumption was 453.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:45:45,590 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 192.52 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.77 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.22 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 268.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -165.5 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 361499.84 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 123.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -83.3 MB). Peak memory consumption was 453.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimArr_16 input size 96 context size 96 output size 96 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimArr_16 input size 96 context size 96 output size 96: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...