./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3e0675069af96ce2b947856aad4bf6a2d556158b 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................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3e0675069af96ce2b947856aad4bf6a2d556158b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimArr_14 term size 13 --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:25:08,754 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:25:08,755 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:25:08,764 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:25:08,764 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:25:08,764 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:25:08,765 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:25:08,766 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:25:08,767 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:25:08,768 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:25:08,769 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:25:08,769 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:25:08,770 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:25:08,770 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:25:08,771 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:25:08,772 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:25:08,772 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:25:08,773 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:25:08,775 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:25:08,777 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:25:08,778 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:25:08,779 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:25:08,781 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:25:08,781 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:25:08,781 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:25:08,782 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:25:08,782 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:25:08,783 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:25:08,784 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:25:08,785 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:25:08,786 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:25:08,786 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:25:08,786 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:25:08,786 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:25:08,787 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:25:08,788 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:25:08,789 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 12:25:08,800 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:25:08,800 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:25:08,801 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:25:08,801 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:25:08,801 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:25:08,801 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:25:08,802 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:25:08,802 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:25:08,802 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:25:08,802 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:25:08,802 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:25:08,802 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:25:08,802 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:25:08,803 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:25:08,803 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:25:08,803 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:25:08,803 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:25:08,803 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:25:08,805 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:25:08,805 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:25:08,806 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:25:08,806 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:25:08,806 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:25:08,806 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:25:08,806 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:25:08,806 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:25:08,806 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:25:08,807 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:25:08,807 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:25:08,807 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:25:08,807 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_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e0675069af96ce2b947856aad4bf6a2d556158b [2018-11-18 12:25:08,835 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:25:08,844 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:25:08,853 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:25:08,855 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:25:08,855 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:25:08,856 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/../../sv-benchmarks/c/forester-heap/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-11-18 12:25:08,905 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/data/243f93230/48f5f027cb8d43aea40811d932afaa08/FLAG414be4eac [2018-11-18 12:25:09,323 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:25:09,323 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/sv-benchmarks/c/forester-heap/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-11-18 12:25:09,332 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/data/243f93230/48f5f027cb8d43aea40811d932afaa08/FLAG414be4eac [2018-11-18 12:25:09,343 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/data/243f93230/48f5f027cb8d43aea40811d932afaa08 [2018-11-18 12:25:09,346 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:25:09,347 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 12:25:09,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:25:09,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:25:09,351 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:25:09,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:25:09" (1/1) ... [2018-11-18 12:25:09,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cab1b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:25:09, skipping insertion in model container [2018-11-18 12:25:09,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:25:09" (1/1) ... [2018-11-18 12:25:09,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:25:09,401 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:25:09,626 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:25:09,635 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:25:09,691 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:25:09,780 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:25:09,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:25:09 WrapperNode [2018-11-18 12:25:09,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:25:09,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:25:09,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:25:09,781 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:25:09,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:25:09" (1/1) ... [2018-11-18 12:25:09,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:25:09" (1/1) ... [2018-11-18 12:25:09,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:25:09" (1/1) ... [2018-11-18 12:25:09,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:25:09" (1/1) ... [2018-11-18 12:25:09,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:25:09" (1/1) ... [2018-11-18 12:25:09,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:25:09" (1/1) ... [2018-11-18 12:25:09,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:25:09" (1/1) ... [2018-11-18 12:25:09,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:25:09,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:25:09,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:25:09,828 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:25:09,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:25:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/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 [2018-11-18 12:25:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:25:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:25:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:25:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-18 12:25:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-18 12:25:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-18 12:25:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-18 12:25:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-18 12:25:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-18 12:25:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-18 12:25:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-18 12:25:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-18 12:25:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-18 12:25:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-18 12:25:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-18 12:25:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-18 12:25:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-18 12:25:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-18 12:25:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-18 12:25:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-18 12:25:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-18 12:25:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-18 12:25:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-18 12:25:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-18 12:25:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-18 12:25:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-18 12:25:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-18 12:25:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-18 12:25:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-18 12:25:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-18 12:25:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-18 12:25:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-18 12:25:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-18 12:25:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-18 12:25:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-18 12:25:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-18 12:25:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-18 12:25:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-18 12:25:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-18 12:25:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-18 12:25:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-18 12:25:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-18 12:25:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-18 12:25:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-18 12:25:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-18 12:25:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-18 12:25:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-18 12:25:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-18 12:25:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-18 12:25:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-18 12:25:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-18 12:25:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-18 12:25:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-18 12:25:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 12:25:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-18 12:25:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-18 12:25:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 12:25:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-18 12:25:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-18 12:25:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-18 12:25:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-18 12:25:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-11-18 12:25:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-18 12:25:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-18 12:25:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-11-18 12:25:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-18 12:25:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 12:25:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2018-11-18 12:25:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-18 12:25:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-18 12:25:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-18 12:25:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-18 12:25:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-18 12:25:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-18 12:25:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-18 12:25:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-18 12:25:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-18 12:25:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-18 12:25:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-18 12:25:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-18 12:25:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-18 12:25:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-18 12:25:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-18 12:25:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-18 12:25:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-18 12:25:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-18 12:25:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-18 12:25:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-18 12:25:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-18 12:25:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-18 12:25:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-18 12:25:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-18 12:25:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-18 12:25:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-18 12:25:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-18 12:25:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-18 12:25:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-18 12:25:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-18 12:25:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-18 12:25:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-18 12:25:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-18 12:25:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-18 12:25:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-18 12:25:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-18 12:25:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-18 12:25:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-18 12:25:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 12:25:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 12:25:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:25:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:25:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 12:25:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 12:25:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 12:25:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 12:25:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 12:25:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:25:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:25:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 12:25:10,373 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:25:10,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:25:10 BoogieIcfgContainer [2018-11-18 12:25:10,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:25:10,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:25:10,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:25:10,377 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:25:10,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:25:09" (1/3) ... [2018-11-18 12:25:10,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51acb5cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:25:10, skipping insertion in model container [2018-11-18 12:25:10,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:25:09" (2/3) ... [2018-11-18 12:25:10,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51acb5cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:25:10, skipping insertion in model container [2018-11-18 12:25:10,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:25:10" (3/3) ... [2018-11-18 12:25:10,381 INFO L112 eAbstractionObserver]: Analyzing ICFG dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-11-18 12:25:10,388 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:25:10,395 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-11-18 12:25:10,407 INFO L257 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2018-11-18 12:25:10,433 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:25:10,433 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:25:10,434 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:25:10,434 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:25:10,434 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:25:10,434 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:25:10,434 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:25:10,434 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:25:10,434 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:25:10,448 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2018-11-18 12:25:10,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 12:25:10,454 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:25:10,454 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:25:10,456 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:25:10,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:25:10,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1973375195, now seen corresponding path program 1 times [2018-11-18 12:25:10,462 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:25:10,463 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:25:10,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:25:10,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:25:10,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:25:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:25:10,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:25:10,586 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:25:10,587 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:25:10,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:25:10,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:25:10,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:25:10,600 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 2 states. [2018-11-18 12:25:10,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:25:10,616 INFO L93 Difference]: Finished difference Result 110 states and 168 transitions. [2018-11-18 12:25:10,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:25:10,617 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-11-18 12:25:10,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:25:10,623 INFO L225 Difference]: With dead ends: 110 [2018-11-18 12:25:10,623 INFO L226 Difference]: Without dead ends: 50 [2018-11-18 12:25:10,626 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:25:10,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-11-18 12:25:10,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-11-18 12:25:10,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-18 12:25:10,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 53 transitions. [2018-11-18 12:25:10,655 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 53 transitions. Word has length 11 [2018-11-18 12:25:10,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:25:10,655 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 53 transitions. [2018-11-18 12:25:10,655 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:25:10,655 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2018-11-18 12:25:10,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 12:25:10,655 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:25:10,656 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:25:10,656 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:25:10,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:25:10,656 INFO L82 PathProgramCache]: Analyzing trace with hash 728303766, now seen corresponding path program 1 times [2018-11-18 12:25:10,656 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:25:10,657 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:25:10,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:25:10,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:25:10,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:25:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:25:10,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:25:10,728 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:25:10,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:25:10,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 12:25:10,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 12:25:10,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:25:10,730 INFO L87 Difference]: Start difference. First operand 50 states and 53 transitions. Second operand 4 states. [2018-11-18 12:25:10,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:25:10,817 INFO L93 Difference]: Finished difference Result 58 states and 63 transitions. [2018-11-18 12:25:10,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 12:25:10,818 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-11-18 12:25:10,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:25:10,819 INFO L225 Difference]: With dead ends: 58 [2018-11-18 12:25:10,819 INFO L226 Difference]: Without dead ends: 56 [2018-11-18 12:25:10,819 INFO L604 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 [2018-11-18 12:25:10,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-11-18 12:25:10,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 48. [2018-11-18 12:25:10,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-18 12:25:10,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 51 transitions. [2018-11-18 12:25:10,825 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 51 transitions. Word has length 13 [2018-11-18 12:25:10,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:25:10,825 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 51 transitions. [2018-11-18 12:25:10,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 12:25:10,825 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions. [2018-11-18 12:25:10,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 12:25:10,826 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:25:10,826 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:25:10,826 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:25:10,826 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:25:10,827 INFO L82 PathProgramCache]: Analyzing trace with hash 728182618, now seen corresponding path program 1 times [2018-11-18 12:25:10,827 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:25:10,827 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:25:10,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:25:10,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:25:10,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:25:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:25:10,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:25:10,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:25:10,901 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:25:10,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 12:25:10,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 12:25:10,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:25:10,902 INFO L87 Difference]: Start difference. First operand 48 states and 51 transitions. Second operand 4 states. [2018-11-18 12:25:10,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:25:10,960 INFO L93 Difference]: Finished difference Result 48 states and 51 transitions. [2018-11-18 12:25:10,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 12:25:10,961 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-11-18 12:25:10,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:25:10,962 INFO L225 Difference]: With dead ends: 48 [2018-11-18 12:25:10,962 INFO L226 Difference]: Without dead ends: 46 [2018-11-18 12:25:10,963 INFO L604 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 [2018-11-18 12:25:10,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-11-18 12:25:10,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-11-18 12:25:10,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-11-18 12:25:10,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 49 transitions. [2018-11-18 12:25:10,967 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 49 transitions. Word has length 13 [2018-11-18 12:25:10,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:25:10,968 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 49 transitions. [2018-11-18 12:25:10,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 12:25:10,968 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2018-11-18 12:25:10,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 12:25:10,969 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:25:10,969 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:25:10,969 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:25:10,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:25:10,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1273281489, now seen corresponding path program 1 times [2018-11-18 12:25:10,970 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:25:10,970 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:25:10,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:25:10,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:25:10,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:25:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:25:11,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:25:11,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:25:11,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:25:11,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:25:11,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:25:11,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:25:11,223 INFO L87 Difference]: Start difference. First operand 46 states and 49 transitions. Second operand 6 states. [2018-11-18 12:25:11,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:25:11,521 INFO L93 Difference]: Finished difference Result 94 states and 102 transitions. [2018-11-18 12:25:11,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:25:11,521 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-11-18 12:25:11,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:25:11,522 INFO L225 Difference]: With dead ends: 94 [2018-11-18 12:25:11,522 INFO L226 Difference]: Without dead ends: 92 [2018-11-18 12:25:11,523 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:25:11,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-11-18 12:25:11,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 65. [2018-11-18 12:25:11,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-18 12:25:11,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 72 transitions. [2018-11-18 12:25:11,528 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 72 transitions. Word has length 16 [2018-11-18 12:25:11,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:25:11,529 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 72 transitions. [2018-11-18 12:25:11,529 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:25:11,529 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2018-11-18 12:25:11,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 12:25:11,529 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:25:11,529 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:25:11,530 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:25:11,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:25:11,530 INFO L82 PathProgramCache]: Analyzing trace with hash -587495827, now seen corresponding path program 1 times [2018-11-18 12:25:11,530 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:25:11,530 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:25:11,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:25:11,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:25:11,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:25:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:25:11,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:25:11,582 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:25:11,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:25:11,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 12:25:11,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 12:25:11,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:25:11,582 INFO L87 Difference]: Start difference. First operand 65 states and 72 transitions. Second operand 4 states. [2018-11-18 12:25:11,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:25:11,649 INFO L93 Difference]: Finished difference Result 65 states and 72 transitions. [2018-11-18 12:25:11,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 12:25:11,650 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-11-18 12:25:11,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:25:11,650 INFO L225 Difference]: With dead ends: 65 [2018-11-18 12:25:11,650 INFO L226 Difference]: Without dead ends: 63 [2018-11-18 12:25:11,651 INFO L604 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 [2018-11-18 12:25:11,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-11-18 12:25:11,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-11-18 12:25:11,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-11-18 12:25:11,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 69 transitions. [2018-11-18 12:25:11,657 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 69 transitions. Word has length 16 [2018-11-18 12:25:11,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:25:11,657 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 69 transitions. [2018-11-18 12:25:11,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 12:25:11,658 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2018-11-18 12:25:11,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 12:25:11,658 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:25:11,658 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:25:11,659 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:25:11,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:25:11,659 INFO L82 PathProgramCache]: Analyzing trace with hash -92488659, now seen corresponding path program 1 times [2018-11-18 12:25:11,659 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:25:11,659 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:25:11,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:25:11,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:25:11,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:25:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:25:11,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:25:11,819 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:25:11,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:25:11,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 12:25:11,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 12:25:11,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:25:11,820 INFO L87 Difference]: Start difference. First operand 63 states and 69 transitions. Second operand 4 states. [2018-11-18 12:25:11,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:25:11,885 INFO L93 Difference]: Finished difference Result 63 states and 69 transitions. [2018-11-18 12:25:11,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:25:11,885 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2018-11-18 12:25:11,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:25:11,886 INFO L225 Difference]: With dead ends: 63 [2018-11-18 12:25:11,886 INFO L226 Difference]: Without dead ends: 61 [2018-11-18 12:25:11,886 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:25:11,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-11-18 12:25:11,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-11-18 12:25:11,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-11-18 12:25:11,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2018-11-18 12:25:11,892 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 66 transitions. Word has length 19 [2018-11-18 12:25:11,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:25:11,892 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 66 transitions. [2018-11-18 12:25:11,892 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 12:25:11,892 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2018-11-18 12:25:11,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:25:11,893 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:25:11,893 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:25:11,893 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:25:11,894 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:25:11,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1155134435, now seen corresponding path program 1 times [2018-11-18 12:25:11,894 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:25:11,894 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:25:11,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:25:11,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:25:11,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:25:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:25:12,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:25:12,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:25:12,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:25:12,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:25:12,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:25:12,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:25:12,047 INFO L87 Difference]: Start difference. First operand 61 states and 66 transitions. Second operand 5 states. [2018-11-18 12:25:12,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:25:12,108 INFO L93 Difference]: Finished difference Result 79 states and 86 transitions. [2018-11-18 12:25:12,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 12:25:12,108 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-11-18 12:25:12,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:25:12,109 INFO L225 Difference]: With dead ends: 79 [2018-11-18 12:25:12,109 INFO L226 Difference]: Without dead ends: 65 [2018-11-18 12:25:12,109 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:25:12,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-11-18 12:25:12,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 64. [2018-11-18 12:25:12,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-11-18 12:25:12,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 69 transitions. [2018-11-18 12:25:12,114 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 69 transitions. Word has length 22 [2018-11-18 12:25:12,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:25:12,115 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 69 transitions. [2018-11-18 12:25:12,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:25:12,115 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2018-11-18 12:25:12,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 12:25:12,116 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:25:12,116 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:25:12,116 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:25:12,116 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:25:12,116 INFO L82 PathProgramCache]: Analyzing trace with hash -112134043, now seen corresponding path program 1 times [2018-11-18 12:25:12,116 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:25:12,117 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:25:12,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:25:12,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:25:12,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:25:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:25:12,206 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:25:12,206 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:25:12,206 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:25:12,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:25:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:25:12,254 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:25:12,388 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 34 [2018-11-18 12:25:12,392 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-11-18 12:25:12,398 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:12,399 INFO L477 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 [2018-11-18 12:25:12,399 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:12,408 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:12,449 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 34 [2018-11-18 12:25:12,451 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-11-18 12:25:12,456 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:12,457 INFO L477 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 [2018-11-18 12:25:12,457 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:12,465 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:12,475 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:12,490 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:12,494 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 39 [2018-11-18 12:25:12,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2018-11-18 12:25:12,502 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:12,502 INFO L477 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 35 treesize of output 39 [2018-11-18 12:25:12,503 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:12,512 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:12,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2018-11-18 12:25:12,536 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:12,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 44 [2018-11-18 12:25:12,564 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-11-18 12:25:12,564 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:12,601 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:12,602 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:12,603 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:12,606 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 47 [2018-11-18 12:25:12,607 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:12,645 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:12,646 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:12,674 INFO L477 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 0 new quantified variables, introduced 6 case distinctions, treesize of input 28 treesize of output 51 [2018-11-18 12:25:12,675 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-11-18 12:25:12,731 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:12,734 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:12,735 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:25:12,737 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 39 [2018-11-18 12:25:12,738 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:12,814 INFO L267 ElimStorePlain]: Start of recursive call 12: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-18 12:25:12,856 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-18 12:25:12,917 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-18 12:25:13,014 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 39 [2018-11-18 12:25:13,020 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2018-11-18 12:25:13,024 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:13,025 INFO L477 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 35 treesize of output 39 [2018-11-18 12:25:13,026 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:13,036 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:13,050 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2018-11-18 12:25:13,053 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:13,071 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 44 [2018-11-18 12:25:13,079 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:13,080 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:13,081 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:25:13,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 45 [2018-11-18 12:25:13,084 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:13,120 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:13,121 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:13,122 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:13,126 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 47 [2018-11-18 12:25:13,126 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:13,244 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:13,248 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:13,284 INFO L477 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 0 new quantified variables, introduced 6 case distinctions, treesize of input 28 treesize of output 51 [2018-11-18 12:25:13,285 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 2 xjuncts. [2018-11-18 12:25:13,332 INFO L267 ElimStorePlain]: Start of recursive call 21: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-18 12:25:13,375 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-18 12:25:13,419 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-18 12:25:13,429 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 34 [2018-11-18 12:25:13,433 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-11-18 12:25:13,468 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:13,468 INFO L477 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 [2018-11-18 12:25:13,469 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:13,475 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:13,514 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 34 [2018-11-18 12:25:13,518 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 13 treesize of output 16 [2018-11-18 12:25:13,526 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:13,526 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-18 12:25:13,527 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:13,536 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:13,556 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:13,569 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:13,657 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 16 xjuncts. [2018-11-18 12:25:13,657 INFO L202 ElimStorePlain]: Needed 30 recursive calls to eliminate 2 variables, input treesize:85, output treesize:937 [2018-11-18 12:25:13,891 WARN L180 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2018-11-18 12:25:14,004 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 83 [2018-11-18 12:25:14,009 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:14,012 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:14,067 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 69 treesize of output 87 [2018-11-18 12:25:14,067 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-18 12:25:14,216 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:14,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 73 [2018-11-18 12:25:14,217 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:14,273 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:14,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 59 [2018-11-18 12:25:14,274 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:14,319 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 12:25:14,435 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 61 [2018-11-18 12:25:14,437 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:14,438 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:14,439 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:14,441 INFO L477 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 0 case distinctions, treesize of input 27 treesize of output 24 [2018-11-18 12:25:14,441 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:14,450 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:14,526 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 30 [2018-11-18 12:25:14,528 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:14,530 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:14,530 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:14,532 INFO L477 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 0 case distinctions, treesize of input 27 treesize of output 24 [2018-11-18 12:25:14,533 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:14,538 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:14,566 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 8 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:14,567 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 10 variables, input treesize:265, output treesize:7 [2018-11-18 12:25:14,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:25:14,611 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:25:14,611 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2018-11-18 12:25:14,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 12:25:14,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 12:25:14,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:25:14,612 INFO L87 Difference]: Start difference. First operand 64 states and 69 transitions. Second operand 8 states. [2018-11-18 12:25:14,853 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2018-11-18 12:25:15,061 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2018-11-18 12:25:15,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:25:15,097 INFO L93 Difference]: Finished difference Result 94 states and 101 transitions. [2018-11-18 12:25:15,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:25:15,098 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2018-11-18 12:25:15,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:25:15,098 INFO L225 Difference]: With dead ends: 94 [2018-11-18 12:25:15,098 INFO L226 Difference]: Without dead ends: 67 [2018-11-18 12:25:15,099 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:25:15,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-11-18 12:25:15,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-11-18 12:25:15,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-11-18 12:25:15,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2018-11-18 12:25:15,105 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 72 transitions. Word has length 26 [2018-11-18 12:25:15,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:25:15,105 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 72 transitions. [2018-11-18 12:25:15,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 12:25:15,106 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2018-11-18 12:25:15,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 12:25:15,106 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:25:15,106 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 12:25:15,107 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:25:15,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:25:15,107 INFO L82 PathProgramCache]: Analyzing trace with hash 507644997, now seen corresponding path program 1 times [2018-11-18 12:25:15,108 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:25:15,108 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:25:15,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:25:15,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:25:15,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:25:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:25:15,301 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 20 [2018-11-18 12:25:15,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:25:15,436 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:25:15,437 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:25:15,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:25:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:25:15,465 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:25:15,469 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-11-18 12:25:15,473 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 12:25:15,474 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:15,481 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:15,521 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2018-11-18 12:25:15,532 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 12:25:15,532 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:15,553 INFO L477 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 3 case distinctions, treesize of input 23 treesize of output 35 [2018-11-18 12:25:15,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-11-18 12:25:15,557 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:15,576 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:15,581 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:15,589 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-11-18 12:25:15,589 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:46, output treesize:32 [2018-11-18 12:25:15,618 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:15,620 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:15,620 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-18 12:25:15,621 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:15,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 26 [2018-11-18 12:25:15,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 8 treesize of output 7 [2018-11-18 12:25:15,655 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:15,664 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15 treesize of output 11 [2018-11-18 12:25:15,675 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-18 12:25:15,675 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:15,678 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:15,690 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:15,707 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:15,707 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:59, output treesize:24 [2018-11-18 12:25:15,776 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:15,777 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:15,778 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:15,779 INFO L477 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 [2018-11-18 12:25:15,779 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:15,811 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 70 [2018-11-18 12:25:15,879 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-11-18 12:25:15,879 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:15,892 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 49 treesize of output 43 [2018-11-18 12:25:15,896 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2018-11-18 12:25:15,896 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:15,900 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:15,903 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:15,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2018-11-18 12:25:15,925 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 12:25:15,926 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:15,942 INFO L477 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 32 treesize of output 41 [2018-11-18 12:25:15,944 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 12:25:15,944 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:15,952 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:15,958 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:15,967 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-11-18 12:25:15,968 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 8 variables, input treesize:122, output treesize:40 [2018-11-18 12:25:16,089 INFO L477 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 37 treesize of output 41 [2018-11-18 12:25:16,091 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-18 12:25:16,091 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:16,104 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-11-18 12:25:16,104 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:16,109 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-18 12:25:16,110 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:16,111 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:16,117 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:16,117 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:49, output treesize:3 [2018-11-18 12:25:16,121 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:25:16,145 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:25:16,145 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 13 [2018-11-18 12:25:16,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 12:25:16,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 12:25:16,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2018-11-18 12:25:16,146 INFO L87 Difference]: Start difference. First operand 67 states and 72 transitions. Second operand 13 states. [2018-11-18 12:25:16,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:25:16,751 INFO L93 Difference]: Finished difference Result 106 states and 115 transitions. [2018-11-18 12:25:16,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 12:25:16,752 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 29 [2018-11-18 12:25:16,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:25:16,753 INFO L225 Difference]: With dead ends: 106 [2018-11-18 12:25:16,753 INFO L226 Difference]: Without dead ends: 104 [2018-11-18 12:25:16,753 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2018-11-18 12:25:16,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-11-18 12:25:16,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 46. [2018-11-18 12:25:16,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-11-18 12:25:16,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 49 transitions. [2018-11-18 12:25:16,757 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 49 transitions. Word has length 29 [2018-11-18 12:25:16,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:25:16,758 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 49 transitions. [2018-11-18 12:25:16,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 12:25:16,758 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2018-11-18 12:25:16,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 12:25:16,759 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:25:16,759 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:25:16,759 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:25:16,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:25:16,759 INFO L82 PathProgramCache]: Analyzing trace with hash -504642115, now seen corresponding path program 1 times [2018-11-18 12:25:16,759 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:25:16,760 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:25:16,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:25:16,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:25:16,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:25:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:25:17,437 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:25:17,437 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:25:17,437 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/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 [2018-11-18 12:25:17,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:25:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:25:17,478 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:25:17,481 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-11-18 12:25:17,486 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 12:25:17,486 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:17,490 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:17,509 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:25:17,509 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:20 [2018-11-18 12:25:17,524 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:17,526 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:17,527 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-18 12:25:17,527 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:17,564 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 51 [2018-11-18 12:25:17,632 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 8 treesize of output 7 [2018-11-18 12:25:17,632 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:17,687 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2018-11-18 12:25:17,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 8 treesize of output 7 [2018-11-18 12:25:17,692 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:17,714 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 33 treesize of output 35 [2018-11-18 12:25:17,717 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:17,719 INFO L477 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 14 treesize of output 47 [2018-11-18 12:25:17,719 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:17,731 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:17,740 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:17,749 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:17,765 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 74 [2018-11-18 12:25:17,801 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 12:25:17,801 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:17,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 57 treesize of output 72 [2018-11-18 12:25:17,824 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 12:25:17,824 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:17,836 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:17,842 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 63 [2018-11-18 12:25:17,844 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:17,845 INFO L477 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 18 treesize of output 35 [2018-11-18 12:25:17,846 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:17,854 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:17,861 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:17,868 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:17,880 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:17,880 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 5 variables, input treesize:191, output treesize:71 [2018-11-18 12:25:17,906 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 26 [2018-11-18 12:25:17,907 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2018-11-18 12:25:17,908 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:17,909 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:17,918 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:17,918 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:102, output treesize:94 [2018-11-18 12:25:17,980 INFO L477 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 101 treesize of output 67 [2018-11-18 12:25:17,982 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 40 [2018-11-18 12:25:17,982 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:17,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 32 [2018-11-18 12:25:17,994 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:18,001 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:18,011 INFO L477 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 46 treesize of output 38 [2018-11-18 12:25:18,016 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:18,017 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-11-18 12:25:18,018 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:18,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 13 [2018-11-18 12:25:18,025 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:18,028 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:18,032 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:18,033 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:108, output treesize:13 [2018-11-18 12:25:18,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-18 12:25:18,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-18 12:25:18,054 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:18,055 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:18,056 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:18,056 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-11-18 12:25:18,078 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:25:18,096 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:25:18,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8] total 19 [2018-11-18 12:25:18,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 12:25:18,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 12:25:18,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2018-11-18 12:25:18,097 INFO L87 Difference]: Start difference. First operand 46 states and 49 transitions. Second operand 19 states. [2018-11-18 12:25:18,663 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2018-11-18 12:25:19,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:25:19,300 INFO L93 Difference]: Finished difference Result 115 states and 124 transitions. [2018-11-18 12:25:19,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 12:25:19,300 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 39 [2018-11-18 12:25:19,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:25:19,301 INFO L225 Difference]: With dead ends: 115 [2018-11-18 12:25:19,301 INFO L226 Difference]: Without dead ends: 101 [2018-11-18 12:25:19,301 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 33 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=154, Invalid=776, Unknown=0, NotChecked=0, Total=930 [2018-11-18 12:25:19,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-11-18 12:25:19,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 70. [2018-11-18 12:25:19,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-11-18 12:25:19,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 75 transitions. [2018-11-18 12:25:19,308 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 75 transitions. Word has length 39 [2018-11-18 12:25:19,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:25:19,308 INFO L480 AbstractCegarLoop]: Abstraction has 70 states and 75 transitions. [2018-11-18 12:25:19,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 12:25:19,308 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2018-11-18 12:25:19,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 12:25:19,309 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:25:19,309 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:25:19,309 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:25:19,309 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:25:19,309 INFO L82 PathProgramCache]: Analyzing trace with hash -482009861, now seen corresponding path program 1 times [2018-11-18 12:25:19,310 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:25:19,310 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:25:19,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:25:19,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:25:19,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:25:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:25:19,631 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:25:19,632 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:25:19,632 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/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 [2018-11-18 12:25:19,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:25:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:25:19,670 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:25:19,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-11-18 12:25:19,714 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 12:25:19,714 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:19,741 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:19,797 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:25:19,797 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:20 [2018-11-18 12:25:19,821 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:19,823 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:19,824 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-18 12:25:19,824 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:19,860 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 51 [2018-11-18 12:25:19,890 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 8 treesize of output 7 [2018-11-18 12:25:19,890 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:19,906 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2018-11-18 12:25:19,910 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 8 treesize of output 7 [2018-11-18 12:25:19,910 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:19,931 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 33 treesize of output 35 [2018-11-18 12:25:19,940 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:19,948 INFO L477 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 14 treesize of output 47 [2018-11-18 12:25:19,948 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:19,965 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:19,986 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:19,999 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:20,060 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 74 [2018-11-18 12:25:20,115 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 12:25:20,115 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:20,181 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 57 treesize of output 72 [2018-11-18 12:25:20,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 12:25:20,184 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:20,230 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:20,237 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 63 [2018-11-18 12:25:20,246 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:20,248 INFO L477 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 18 treesize of output 35 [2018-11-18 12:25:20,248 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:20,300 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:20,307 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:20,314 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:20,331 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:20,331 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 4 variables, input treesize:200, output treesize:99 [2018-11-18 12:25:20,371 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:20,374 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:20,377 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:20,378 INFO L477 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 20 treesize of output 21 [2018-11-18 12:25:20,378 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:20,475 INFO L477 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 600 treesize of output 357 [2018-11-18 12:25:20,611 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2018-11-18 12:25:20,616 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:20,622 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 280 treesize of output 362 [2018-11-18 12:25:20,623 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:20,676 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:20,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 408 treesize of output 356 [2018-11-18 12:25:20,684 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 30 treesize of output 24 [2018-11-18 12:25:20,684 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:20,724 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:25:20,725 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:20,728 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:20,739 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:20,740 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 387 treesize of output 353 [2018-11-18 12:25:20,748 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:20,761 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 350 treesize of output 403 [2018-11-18 12:25:20,762 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 12:25:20,825 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:20,851 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:20,878 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:20,914 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:25:20,915 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 335 treesize of output 212 [2018-11-18 12:25:20,980 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:20,983 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 81 [2018-11-18 12:25:20,983 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:21,006 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:21,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 163 [2018-11-18 12:25:21,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2018-11-18 12:25:21,016 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:21,034 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:21,034 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:25:21,035 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:21,043 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 126 treesize of output 172 [2018-11-18 12:25:21,046 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:21,047 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:25:21,047 INFO L477 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 26 treesize of output 58 [2018-11-18 12:25:21,048 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:21,068 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:21,079 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:21,089 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:21,111 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:21,111 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 4 variables, input treesize:614, output treesize:174 [2018-11-18 12:25:21,240 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:21,250 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 170 treesize of output 102 [2018-11-18 12:25:21,252 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 38 [2018-11-18 12:25:21,253 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:21,270 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:21,272 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 28 [2018-11-18 12:25:21,272 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:21,280 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:21,281 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2018-11-18 12:25:21,281 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:21,285 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:21,296 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 12:25:21,296 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:255, output treesize:96 [2018-11-18 12:25:21,332 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:21,344 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:21,348 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 65 [2018-11-18 12:25:21,352 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2018-11-18 12:25:21,352 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:21,375 INFO L477 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 25 treesize of output 14 [2018-11-18 12:25:21,376 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:21,394 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2018-11-18 12:25:21,394 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:21,404 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:21,412 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:21,412 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:97, output treesize:4 [2018-11-18 12:25:21,427 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:25:21,452 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:25:21,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2018-11-18 12:25:21,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 12:25:21,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 12:25:21,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2018-11-18 12:25:21,453 INFO L87 Difference]: Start difference. First operand 70 states and 75 transitions. Second operand 15 states. [2018-11-18 12:25:21,709 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2018-11-18 12:25:22,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:25:22,584 INFO L93 Difference]: Finished difference Result 130 states and 140 transitions. [2018-11-18 12:25:22,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 12:25:22,585 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 39 [2018-11-18 12:25:22,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:25:22,586 INFO L225 Difference]: With dead ends: 130 [2018-11-18 12:25:22,586 INFO L226 Difference]: Without dead ends: 128 [2018-11-18 12:25:22,586 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=81, Invalid=425, Unknown=0, NotChecked=0, Total=506 [2018-11-18 12:25:22,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-18 12:25:22,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 99. [2018-11-18 12:25:22,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-11-18 12:25:22,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 107 transitions. [2018-11-18 12:25:22,595 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 107 transitions. Word has length 39 [2018-11-18 12:25:22,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:25:22,595 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 107 transitions. [2018-11-18 12:25:22,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 12:25:22,595 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 107 transitions. [2018-11-18 12:25:22,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 12:25:22,598 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:25:22,598 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:25:22,599 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:25:22,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:25:22,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1476042883, now seen corresponding path program 1 times [2018-11-18 12:25:22,599 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:25:22,599 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:25:22,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:25:22,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:25:22,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:25:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:25:22,953 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:25:22,953 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:25:22,953 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:25:22,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:25:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:25:22,983 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:25:22,992 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-11-18 12:25:22,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 12:25:22,995 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:23,001 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:23,007 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:25:23,007 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:20 [2018-11-18 12:25:23,017 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:23,019 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:23,020 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-18 12:25:23,020 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:23,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 51 [2018-11-18 12:25:23,072 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 8 treesize of output 7 [2018-11-18 12:25:23,072 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:23,091 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2018-11-18 12:25:23,094 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 8 treesize of output 7 [2018-11-18 12:25:23,094 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:23,121 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 33 treesize of output 35 [2018-11-18 12:25:23,123 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:23,125 INFO L477 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 14 treesize of output 47 [2018-11-18 12:25:23,126 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:23,144 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:23,159 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:23,177 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:23,199 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 74 [2018-11-18 12:25:23,230 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 12:25:23,231 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:23,263 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 57 treesize of output 72 [2018-11-18 12:25:23,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 12:25:23,265 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:23,277 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:23,280 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 63 [2018-11-18 12:25:23,290 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:23,292 INFO L477 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 18 treesize of output 35 [2018-11-18 12:25:23,292 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:23,303 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:23,310 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:23,318 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:23,337 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:23,338 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 4 variables, input treesize:200, output treesize:99 [2018-11-18 12:25:23,395 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:23,403 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:23,416 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:23,417 INFO L477 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 20 treesize of output 21 [2018-11-18 12:25:23,417 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:23,616 INFO L477 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 1296 treesize of output 683 [2018-11-18 12:25:23,903 WARN L180 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 64 [2018-11-18 12:25:23,919 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:23,942 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 581 treesize of output 756 [2018-11-18 12:25:23,943 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:25:24,048 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:24,076 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 767 treesize of output 635 [2018-11-18 12:25:24,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 30 treesize of output 24 [2018-11-18 12:25:24,084 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:24,176 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:25:24,179 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:24,181 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:24,214 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:24,221 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 746 treesize of output 700 [2018-11-18 12:25:24,234 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:24,292 INFO L477 Elim1Store]: Elim1 applied some 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 744 treesize of output 844 [2018-11-18 12:25:24,294 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 12:25:24,396 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:24,451 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:24,504 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:24,571 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:25:24,572 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 558 treesize of output 362 [2018-11-18 12:25:24,656 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:24,660 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 66 [2018-11-18 12:25:24,660 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:24,684 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:24,696 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 294 treesize of output 310 [2018-11-18 12:25:24,700 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2018-11-18 12:25:24,700 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:24,721 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:25:24,722 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:24,751 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 273 treesize of output 287 [2018-11-18 12:25:24,765 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:24,766 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:25:24,766 INFO L477 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 46 treesize of output 78 [2018-11-18 12:25:24,767 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:24,793 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:24,805 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:24,817 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:24,841 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 100 [2018-11-18 12:25:24,843 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2018-11-18 12:25:24,844 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:24,851 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:24,854 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:24,854 INFO L477 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 99 treesize of output 139 [2018-11-18 12:25:24,856 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 82 [2018-11-18 12:25:24,857 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:24,866 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:24,871 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:24,890 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:25:24,890 INFO L202 ElimStorePlain]: Needed 18 recursive calls to eliminate 5 variables, input treesize:1307, output treesize:207 [2018-11-18 12:25:25,136 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:25,138 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:25,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 323 treesize of output 183 [2018-11-18 12:25:25,152 INFO L477 Elim1Store]: Elim1 applied some 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 26 treesize of output 31 [2018-11-18 12:25:25,153 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 12:25:25,181 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 99 [2018-11-18 12:25:25,181 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:25:25,207 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:25,207 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:25:25,208 INFO L477 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 127 treesize of output 105 [2018-11-18 12:25:25,209 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:25:25,225 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 12:25:25,245 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:25,248 INFO L477 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 89 treesize of output 75 [2018-11-18 12:25:25,250 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:25,251 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 16 [2018-11-18 12:25:25,251 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:25,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 29 [2018-11-18 12:25:25,269 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:25,278 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2018-11-18 12:25:25,279 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:25,283 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:25,290 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:25:25,290 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:330, output treesize:20 [2018-11-18 12:25:25,323 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:25,324 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:25,324 INFO L477 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 22 treesize of output 24 [2018-11-18 12:25:25,329 INFO L477 Elim1Store]: Elim1 applied some 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 10 treesize of output 15 [2018-11-18 12:25:25,330 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:25,335 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-18 12:25:25,335 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:25,357 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:25,360 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:25,360 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:22, output treesize:3 [2018-11-18 12:25:25,376 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:25:25,396 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:25:25,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9] total 18 [2018-11-18 12:25:25,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 12:25:25,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 12:25:25,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2018-11-18 12:25:25,397 INFO L87 Difference]: Start difference. First operand 99 states and 107 transitions. Second operand 18 states. [2018-11-18 12:25:26,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:25:26,598 INFO L93 Difference]: Finished difference Result 192 states and 208 transitions. [2018-11-18 12:25:26,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-18 12:25:26,598 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 42 [2018-11-18 12:25:26,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:25:26,600 INFO L225 Difference]: With dead ends: 192 [2018-11-18 12:25:26,600 INFO L226 Difference]: Without dead ends: 190 [2018-11-18 12:25:26,602 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=156, Invalid=900, Unknown=0, NotChecked=0, Total=1056 [2018-11-18 12:25:26,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2018-11-18 12:25:26,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 102. [2018-11-18 12:25:26,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-11-18 12:25:26,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 110 transitions. [2018-11-18 12:25:26,612 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 110 transitions. Word has length 42 [2018-11-18 12:25:26,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:25:26,612 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 110 transitions. [2018-11-18 12:25:26,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 12:25:26,612 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 110 transitions. [2018-11-18 12:25:26,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 12:25:26,613 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:25:26,613 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:25:26,613 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:25:26,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:25:26,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1835065861, now seen corresponding path program 2 times [2018-11-18 12:25:26,614 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:25:26,614 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:25:26,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:25:26,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:25:26,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:25:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:25:26,953 WARN L180 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-11-18 12:25:27,265 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:25:27,267 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:25:27,267 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/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 [2018-11-18 12:25:27,283 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 12:25:27,321 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 12:25:27,321 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:25:27,328 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:25:27,337 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-11-18 12:25:27,348 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 12:25:27,349 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:27,360 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:27,374 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:25:27,375 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:23 [2018-11-18 12:25:27,419 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:27,421 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:27,421 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-18 12:25:27,421 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:27,442 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 287 treesize of output 231 [2018-11-18 12:25:27,511 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 12:25:27,511 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:27,542 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 214 treesize of output 210 [2018-11-18 12:25:27,544 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 12:25:27,545 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:27,557 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:25:27,565 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 205 treesize of output 207 [2018-11-18 12:25:27,568 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:27,568 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:25:27,569 INFO L477 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 46 treesize of output 118 [2018-11-18 12:25:27,569 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:27,582 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:27,590 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:27,599 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:27,615 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 194 treesize of output 106 [2018-11-18 12:25:27,654 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 8 treesize of output 7 [2018-11-18 12:25:27,654 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:27,666 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 69 [2018-11-18 12:25:27,669 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 8 treesize of output 7 [2018-11-18 12:25:27,669 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:27,684 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 64 treesize of output 59 [2018-11-18 12:25:27,686 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:27,688 INFO L477 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 18 treesize of output 27 [2018-11-18 12:25:27,688 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:27,698 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:27,704 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:27,711 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:27,723 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:27,723 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 4 variables, input treesize:303, output treesize:74 [2018-11-18 12:25:27,804 INFO L477 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 70 [2018-11-18 12:25:27,808 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 34 [2018-11-18 12:25:27,808 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:25:27,823 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:27,825 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2018-11-18 12:25:27,825 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:27,840 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:25:27,858 INFO L477 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 37 treesize of output 29 [2018-11-18 12:25:27,860 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:27,866 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:25:27,867 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 13 [2018-11-18 12:25:27,867 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:27,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-18 12:25:27,888 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:27,890 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:27,894 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:27,894 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:101, output treesize:10 [2018-11-18 12:25:27,908 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:25:27,927 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:25:27,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 14 [2018-11-18 12:25:27,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-18 12:25:27,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-18 12:25:27,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-18 12:25:27,929 INFO L87 Difference]: Start difference. First operand 102 states and 110 transitions. Second operand 14 states. [2018-11-18 12:25:28,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:25:28,491 INFO L93 Difference]: Finished difference Result 122 states and 131 transitions. [2018-11-18 12:25:28,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 12:25:28,493 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 43 [2018-11-18 12:25:28,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:25:28,493 INFO L225 Difference]: With dead ends: 122 [2018-11-18 12:25:28,493 INFO L226 Difference]: Without dead ends: 91 [2018-11-18 12:25:28,494 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 39 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2018-11-18 12:25:28,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-11-18 12:25:28,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-11-18 12:25:28,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-11-18 12:25:28,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 98 transitions. [2018-11-18 12:25:28,501 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 98 transitions. Word has length 43 [2018-11-18 12:25:28,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:25:28,501 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 98 transitions. [2018-11-18 12:25:28,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-18 12:25:28,501 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2018-11-18 12:25:28,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 12:25:28,502 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:25:28,502 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:25:28,502 INFO L423 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:25:28,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:25:28,502 INFO L82 PathProgramCache]: Analyzing trace with hash -408917437, now seen corresponding path program 2 times [2018-11-18 12:25:28,503 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:25:28,503 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:25:28,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:25:28,510 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:25:28,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:25:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:25:28,815 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:25:28,815 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:25:28,815 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:25:28,825 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 12:25:28,858 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 12:25:28,858 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:25:28,861 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:25:28,867 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-11-18 12:25:28,870 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 12:25:28,870 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:28,876 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:28,896 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:25:28,896 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:23 [2018-11-18 12:25:28,932 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:28,936 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:28,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-18 12:25:28,937 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:28,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 51 [2018-11-18 12:25:29,032 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 12:25:29,032 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:29,110 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2018-11-18 12:25:29,116 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 12:25:29,116 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:29,136 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:25:29,143 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 33 treesize of output 63 [2018-11-18 12:25:29,147 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:29,147 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:25:29,148 INFO L477 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 42 treesize of output 114 [2018-11-18 12:25:29,148 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:29,164 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:29,182 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:29,200 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:29,254 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 93 [2018-11-18 12:25:29,340 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 8 treesize of output 7 [2018-11-18 12:25:29,340 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:29,357 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 64 [2018-11-18 12:25:29,359 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 8 treesize of output 7 [2018-11-18 12:25:29,360 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:29,404 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 59 treesize of output 61 [2018-11-18 12:25:29,409 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:29,412 INFO L477 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 14 treesize of output 23 [2018-11-18 12:25:29,412 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:29,434 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:29,468 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:29,488 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:29,521 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:29,522 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 4 variables, input treesize:203, output treesize:86 [2018-11-18 12:25:29,612 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:29,617 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:29,626 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:29,627 INFO L477 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 20 treesize of output 21 [2018-11-18 12:25:29,627 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:29,796 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:29,796 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 757 treesize of output 457 [2018-11-18 12:25:30,145 WARN L180 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2018-11-18 12:25:30,153 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:30,162 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 110 [2018-11-18 12:25:30,163 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:25:30,237 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:30,264 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:30,283 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 348 treesize of output 329 [2018-11-18 12:25:30,287 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 13 [2018-11-18 12:25:30,287 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:30,363 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:30,410 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:30,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 333 treesize of output 307 [2018-11-18 12:25:30,468 INFO L477 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 282 treesize of output 289 [2018-11-18 12:25:30,469 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-18 12:25:30,596 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:25:30,729 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:25:30,860 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:25:30,999 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:31,009 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 297 treesize of output 229 [2018-11-18 12:25:31,014 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:31,015 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:25:31,020 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 57 [2018-11-18 12:25:31,021 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:31,060 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:31,077 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 201 treesize of output 207 [2018-11-18 12:25:31,080 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-11-18 12:25:31,080 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:31,108 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:31,113 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:25:31,126 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 182 [2018-11-18 12:25:31,129 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 22 [2018-11-18 12:25:31,129 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:31,149 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:31,162 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:31,186 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:31,191 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:31,205 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 305 treesize of output 239 [2018-11-18 12:25:31,210 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:31,211 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:25:31,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 63 [2018-11-18 12:25:31,216 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:31,250 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:31,263 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 201 treesize of output 211 [2018-11-18 12:25:31,266 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-11-18 12:25:31,266 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:31,295 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:31,310 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 205 [2018-11-18 12:25:31,314 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:25:31,314 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 24 [2018-11-18 12:25:31,315 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:31,335 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:31,349 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:31,370 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:31,435 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 137 [2018-11-18 12:25:31,438 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-11-18 12:25:31,438 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:31,462 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 60 [2018-11-18 12:25:31,464 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2018-11-18 12:25:31,464 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:31,470 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:31,485 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:31,489 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 162 [2018-11-18 12:25:31,491 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2018-11-18 12:25:31,492 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:31,514 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:31,517 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 64 [2018-11-18 12:25:31,520 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2018-11-18 12:25:31,520 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:31,525 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:31,543 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:31,591 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-11-18 12:25:31,591 INFO L202 ElimStorePlain]: Needed 28 recursive calls to eliminate 7 variables, input treesize:778, output treesize:386 [2018-11-18 12:25:31,800 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:31,809 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:31,833 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 244 treesize of output 165 [2018-11-18 12:25:31,852 INFO L477 Elim1Store]: Elim1 applied some 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 37 treesize of output 48 [2018-11-18 12:25:31,853 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 12:25:31,884 INFO L477 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 77 treesize of output 50 [2018-11-18 12:25:31,884 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:31,903 INFO L477 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 69 treesize of output 42 [2018-11-18 12:25:31,904 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:25:31,937 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:25:31,978 INFO L477 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 87 treesize of output 69 [2018-11-18 12:25:31,981 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:31,982 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-11-18 12:25:31,982 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:31,999 INFO L477 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 0 case distinctions, treesize of input 13 treesize of output 1 [2018-11-18 12:25:31,999 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:32,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 13 [2018-11-18 12:25:32,015 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:32,023 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:32,054 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:32,056 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:32,056 INFO L477 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 163 treesize of output 131 [2018-11-18 12:25:32,063 INFO L477 Elim1Store]: Elim1 applied some 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 102 treesize of output 95 [2018-11-18 12:25:32,064 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 12:25:32,104 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 75 [2018-11-18 12:25:32,104 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:25:32,124 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:25:32,154 INFO L477 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 81 treesize of output 63 [2018-11-18 12:25:32,157 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:25:32,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2018-11-18 12:25:32,159 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:25:32,172 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-18 12:25:32,172 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:32,182 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2018-11-18 12:25:32,183 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:32,191 INFO L267 ElimStorePlain]: Start of recursive call 13: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:25:32,209 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-11-18 12:25:32,209 INFO L202 ElimStorePlain]: Needed 16 recursive calls to eliminate 8 variables, input treesize:408, output treesize:51 [2018-11-18 12:25:47,470 WARN L180 SmtUtils]: Spent 15.24 s on a formula simplification that was a NOOP. DAG size: 38 [2018-11-18 12:25:47,474 INFO L477 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 28 treesize of output 26 [2018-11-18 12:25:47,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-18 12:25:47,476 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:47,481 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-18 12:25:47,481 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:47,484 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:47,494 INFO L477 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 28 treesize of output 22 [2018-11-18 12:25:47,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-18 12:25:47,496 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:47,501 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-18 12:25:47,501 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 12:25:47,503 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:47,513 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:25:47,514 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:57, output treesize:3 [2018-11-18 12:25:47,547 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:25:47,566 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:25:47,566 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-11-18 12:25:47,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-18 12:25:47,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-18 12:25:47,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2018-11-18 12:25:47,567 INFO L87 Difference]: Start difference. First operand 91 states and 98 transitions. Second operand 14 states. [2018-11-18 12:25:48,171 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 130 [2018-11-18 12:26:12,360 WARN L180 SmtUtils]: Spent 24.14 s on a formula simplification. DAG size of input: 109 DAG size of output: 103 [2018-11-18 12:26:36,532 WARN L180 SmtUtils]: Spent 24.15 s on a formula simplification. DAG size of input: 111 DAG size of output: 105 [2018-11-18 12:26:36,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:26:36,588 INFO L93 Difference]: Finished difference Result 150 states and 161 transitions. [2018-11-18 12:26:36,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:26:36,589 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 43 [2018-11-18 12:26:36,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:26:36,590 INFO L225 Difference]: With dead ends: 150 [2018-11-18 12:26:36,590 INFO L226 Difference]: Without dead ends: 136 [2018-11-18 12:26:36,590 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 64.4s TimeCoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2018-11-18 12:26:36,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-11-18 12:26:36,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 117. [2018-11-18 12:26:36,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-11-18 12:26:36,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 125 transitions. [2018-11-18 12:26:36,599 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 125 transitions. Word has length 43 [2018-11-18 12:26:36,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:26:36,599 INFO L480 AbstractCegarLoop]: Abstraction has 117 states and 125 transitions. [2018-11-18 12:26:36,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-18 12:26:36,599 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 125 transitions. [2018-11-18 12:26:36,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 12:26:36,600 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:26:36,600 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:26:36,600 INFO L423 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:26:36,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:26:36,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1965259545, now seen corresponding path program 1 times [2018-11-18 12:26:36,601 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:26:36,601 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:26:36,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:26:36,602 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:26:36,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:26:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:37,042 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:26:37,043 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:26:37,043 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/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 [2018-11-18 12:26:37,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:26:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:37,072 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:26:37,074 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-11-18 12:26:37,076 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 12:26:37,077 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:37,080 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:37,086 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:26:37,086 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:20 [2018-11-18 12:26:37,094 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:37,096 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:37,096 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-18 12:26:37,097 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:37,130 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 51 [2018-11-18 12:26:37,151 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 8 treesize of output 7 [2018-11-18 12:26:37,151 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:37,171 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2018-11-18 12:26:37,174 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 8 treesize of output 7 [2018-11-18 12:26:37,174 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:37,218 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 33 treesize of output 35 [2018-11-18 12:26:37,221 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:37,223 INFO L477 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 14 treesize of output 47 [2018-11-18 12:26:37,223 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:37,235 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:37,244 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:37,257 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:37,283 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 74 [2018-11-18 12:26:37,318 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 12:26:37,318 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:37,339 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 57 treesize of output 72 [2018-11-18 12:26:37,341 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 12:26:37,342 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:37,355 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:37,359 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 63 [2018-11-18 12:26:37,361 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:37,363 INFO L477 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 18 treesize of output 35 [2018-11-18 12:26:37,363 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:37,376 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:37,383 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:37,395 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:37,412 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:37,413 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 4 variables, input treesize:200, output treesize:99 [2018-11-18 12:26:37,448 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:37,451 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:37,453 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:37,454 INFO L477 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 20 treesize of output 21 [2018-11-18 12:26:37,454 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:37,506 INFO L477 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 974 treesize of output 521 [2018-11-18 12:26:37,660 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 55 [2018-11-18 12:26:37,665 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:37,671 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 435 treesize of output 559 [2018-11-18 12:26:37,671 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:37,718 INFO L477 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 570 treesize of output 463 [2018-11-18 12:26:37,721 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 13 [2018-11-18 12:26:37,721 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:37,756 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:26:37,773 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 555 treesize of output 448 [2018-11-18 12:26:37,777 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:37,779 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 506 treesize of output 670 [2018-11-18 12:26:37,779 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:37,809 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:37,836 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:37,861 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:37,902 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 500 treesize of output 294 [2018-11-18 12:26:37,951 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:37,955 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 59 [2018-11-18 12:26:37,955 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:37,997 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 216 treesize of output 253 [2018-11-18 12:26:38,000 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-11-18 12:26:38,000 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:38,020 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:26:38,022 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:38,034 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 213 [2018-11-18 12:26:38,038 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:38,038 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:26:38,039 INFO L477 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 54 treesize of output 94 [2018-11-18 12:26:38,040 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:38,059 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:38,070 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:38,080 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:38,102 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 12:26:38,102 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 5 variables, input treesize:988, output treesize:205 [2018-11-18 12:26:38,348 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:26:38,356 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 528 treesize of output 295 [2018-11-18 12:26:38,358 INFO L477 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 132 treesize of output 91 [2018-11-18 12:26:38,358 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:38,379 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 215 treesize of output 192 [2018-11-18 12:26:38,379 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:26:38,399 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:38,400 INFO L477 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 180 treesize of output 111 [2018-11-18 12:26:38,401 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:26:38,416 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 12:26:38,446 INFO L477 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 82 treesize of output 62 [2018-11-18 12:26:38,453 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:38,454 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:26:38,455 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 27 [2018-11-18 12:26:38,456 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:38,472 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:38,480 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2018-11-18 12:26:38,481 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:26:38,489 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-18 12:26:38,490 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:38,511 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:38,522 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:38,523 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:531, output treesize:10 [2018-11-18 12:26:38,549 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:26:38,565 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:26:38,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 17 [2018-11-18 12:26:38,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-18 12:26:38,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-18 12:26:38,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2018-11-18 12:26:38,566 INFO L87 Difference]: Start difference. First operand 117 states and 125 transitions. Second operand 17 states. [2018-11-18 12:26:48,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:26:48,680 INFO L93 Difference]: Finished difference Result 157 states and 169 transitions. [2018-11-18 12:26:48,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 12:26:48,680 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 49 [2018-11-18 12:26:48,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:26:48,681 INFO L225 Difference]: With dead ends: 157 [2018-11-18 12:26:48,681 INFO L226 Difference]: Without dead ends: 120 [2018-11-18 12:26:48,682 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 43 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2018-11-18 12:26:48,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-11-18 12:26:48,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 104. [2018-11-18 12:26:48,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-11-18 12:26:48,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 110 transitions. [2018-11-18 12:26:48,689 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 110 transitions. Word has length 49 [2018-11-18 12:26:48,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:26:48,690 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 110 transitions. [2018-11-18 12:26:48,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-18 12:26:48,690 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 110 transitions. [2018-11-18 12:26:48,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 12:26:48,690 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:26:48,691 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 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, 1, 1, 1] [2018-11-18 12:26:48,691 INFO L423 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:26:48,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:26:48,691 INFO L82 PathProgramCache]: Analyzing trace with hash -2086879581, now seen corresponding path program 1 times [2018-11-18 12:26:48,691 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:26:48,691 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:26:48,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:26:48,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:26:48,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:26:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:48,880 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 16 [2018-11-18 12:26:49,075 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:26:49,075 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:26:49,075 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:26:49,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:26:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:49,112 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:26:49,119 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-11-18 12:26:49,124 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 12:26:49,124 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:49,127 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:49,136 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:49,137 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:23 [2018-11-18 12:26:49,164 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:49,168 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:49,173 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:49,174 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2018-11-18 12:26:49,174 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:49,224 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 51 [2018-11-18 12:26:49,246 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-11-18 12:26:49,246 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:49,264 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2018-11-18 12:26:49,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 8 treesize of output 7 [2018-11-18 12:26:49,268 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:49,299 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:49,300 INFO L477 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 33 treesize of output 44 [2018-11-18 12:26:49,303 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:49,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 55 [2018-11-18 12:26:49,305 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:49,317 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:49,333 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:49,342 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:49,371 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 74 [2018-11-18 12:26:49,403 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 12:26:49,403 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:49,423 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:49,429 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 72 [2018-11-18 12:26:49,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 12:26:49,431 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:49,444 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:49,447 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 63 [2018-11-18 12:26:49,450 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:49,451 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:26:49,452 INFO L477 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 18 treesize of output 46 [2018-11-18 12:26:49,452 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:49,462 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:49,470 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:49,478 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:49,499 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:49,499 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 4 variables, input treesize:208, output treesize:107 [2018-11-18 12:26:49,543 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:49,547 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:49,548 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:49,551 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:49,557 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:49,558 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 87 [2018-11-18 12:26:49,558 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:49,658 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:49,660 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:49,662 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:49,664 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:49,665 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 545 treesize of output 355 [2018-11-18 12:26:49,801 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2018-11-18 12:26:49,815 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:49,840 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 255 treesize of output 319 [2018-11-18 12:26:49,842 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-18 12:26:49,917 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:49,924 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:49,929 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 331 treesize of output 296 [2018-11-18 12:26:49,933 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2018-11-18 12:26:49,934 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:49,982 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:26:49,984 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:49,999 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:50,004 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 311 treesize of output 296 [2018-11-18 12:26:50,017 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 282 treesize of output 289 [2018-11-18 12:26:50,018 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-18 12:26:50,106 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:26:50,206 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:26:50,309 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:26:50,431 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:50,436 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 304 treesize of output 220 [2018-11-18 12:26:50,439 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:50,441 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 51 [2018-11-18 12:26:50,442 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:50,474 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:50,475 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:50,482 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 150 [2018-11-18 12:26:50,485 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2018-11-18 12:26:50,486 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:50,504 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:26:50,505 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:50,506 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:50,509 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:26:50,515 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 113 treesize of output 160 [2018-11-18 12:26:50,518 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 57 [2018-11-18 12:26:50,519 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:50,533 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:50,542 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:50,563 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:50,566 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:50,571 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 312 treesize of output 230 [2018-11-18 12:26:50,575 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:50,578 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 55 [2018-11-18 12:26:50,578 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:50,611 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:50,613 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:50,620 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 158 [2018-11-18 12:26:50,623 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2018-11-18 12:26:50,624 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:50,641 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:26:50,643 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:50,644 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:50,661 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 163 [2018-11-18 12:26:50,664 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:50,664 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:26:50,665 INFO L477 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 36 treesize of output 68 [2018-11-18 12:26:50,665 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:50,683 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:50,694 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:50,717 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:50,784 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 12:26:50,784 INFO L202 ElimStorePlain]: Needed 20 recursive calls to eliminate 5 variables, input treesize:539, output treesize:427 [2018-11-18 12:26:50,926 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:50,928 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:50,940 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:50,944 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:50,949 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:50,952 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:50,953 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 954 treesize of output 965 [2018-11-18 12:26:50,954 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:52,650 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:52,653 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:52,656 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:52,661 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:52,673 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:52,677 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:52,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 1577 treesize of output 1576 [2018-11-18 12:26:52,678 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:53,943 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:53,945 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:53,959 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:53,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1568 treesize of output 862 [2018-11-18 12:26:54,240 WARN L180 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 72 [2018-11-18 12:26:54,244 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 42 [2018-11-18 12:26:54,244 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:54,310 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:54,327 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:54,329 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:54,340 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 938 treesize of output 741 [2018-11-18 12:26:54,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2018-11-18 12:26:54,345 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:54,405 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:54,406 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:54,409 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:54,412 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:54,414 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:54,435 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:54,436 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 913 treesize of output 940 [2018-11-18 12:26:54,443 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:54,456 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 1020 treesize of output 1042 [2018-11-18 12:26:54,457 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 12:26:54,522 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:54,556 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:54,601 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:55,201 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:55,205 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:55,224 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:55,225 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 945 treesize of output 509 [2018-11-18 12:26:55,479 WARN L180 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 79 [2018-11-18 12:26:55,486 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:55,487 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:55,488 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 119 [2018-11-18 12:26:55,488 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:55,583 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:55,590 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:55,596 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:55,630 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 589 treesize of output 432 [2018-11-18 12:26:55,636 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2018-11-18 12:26:55,636 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:55,791 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:55,793 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:55,805 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:55,810 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:55,812 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:55,813 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:55,819 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 564 treesize of output 551 [2018-11-18 12:26:55,827 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:55,841 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 581 treesize of output 617 [2018-11-18 12:26:55,842 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 12:26:55,936 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:55,976 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:56,036 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:56,326 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:56,330 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:26:56,335 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 839 treesize of output 562 [2018-11-18 12:26:56,447 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 61 [2018-11-18 12:26:56,450 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:26:56,451 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 41 [2018-11-18 12:26:56,451 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:56,488 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:56,489 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:56,490 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:56,503 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 315 treesize of output 369 [2018-11-18 12:26:56,506 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2018-11-18 12:26:56,506 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:56,534 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:56,536 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:56,537 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:56,556 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:56,556 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 284 treesize of output 350 [2018-11-18 12:26:56,560 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:56,561 INFO L477 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 117 treesize of output 121 [2018-11-18 12:26:56,562 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:56,588 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:56,601 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:56,637 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:56,763 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:56,770 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:26:56,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 518 treesize of output 391 [2018-11-18 12:26:56,910 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 68 [2018-11-18 12:26:56,913 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:56,914 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:26:56,914 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 81 [2018-11-18 12:26:56,915 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:56,966 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:56,968 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:56,969 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:56,981 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 289 [2018-11-18 12:26:56,984 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 12:26:56,984 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:57,014 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:57,016 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:57,017 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:57,033 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 310 [2018-11-18 12:26:57,036 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:57,037 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 59 [2018-11-18 12:26:57,038 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:57,065 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:57,082 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:57,121 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:57,204 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, 4 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-11-18 12:26:57,204 INFO L202 ElimStorePlain]: Needed 27 recursive calls to eliminate 10 variables, input treesize:2532, output treesize:632 [2018-11-18 12:26:57,506 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:57,507 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:57,509 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:57,519 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 326 treesize of output 304 [2018-11-18 12:26:57,522 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:57,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 14 [2018-11-18 12:26:57,524 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:57,591 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2018-11-18 12:26:57,591 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:57,623 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:57,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2018-11-18 12:26:57,624 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:57,660 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:57,661 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-18 12:26:57,661 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:57,684 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:57,750 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:57,751 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:57,752 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:57,755 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:57,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 327 treesize of output 277 [2018-11-18 12:26:57,767 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:57,778 INFO L477 Elim1Store]: Elim1 applied some 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 2 case distinctions, treesize of input 79 treesize of output 77 [2018-11-18 12:26:57,779 INFO L267 ElimStorePlain]: Start of recursive call 8: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-11-18 12:26:57,836 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 26 [2018-11-18 12:26:57,836 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:57,861 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2018-11-18 12:26:57,861 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:26:57,883 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-18 12:26:57,884 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:57,903 INFO L267 ElimStorePlain]: Start of recursive call 7: 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:26:57,952 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-2 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2018-11-18 12:26:57,952 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 8 variables, input treesize:654, output treesize:274 [2018-11-18 12:26:58,039 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:58,040 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:58,041 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:58,042 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:58,043 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:58,044 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:58,045 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:58,048 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:58,049 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 118 [2018-11-18 12:26:58,059 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:26:58,075 INFO L477 Elim1Store]: Elim1 applied some 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 41 treesize of output 83 [2018-11-18 12:26:58,085 INFO L267 ElimStorePlain]: Start of recursive call 3: 24 dim-0 vars, End of recursive call: 24 dim-0 vars, and 15 xjuncts. [2018-11-18 12:26:58,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-18 12:26:58,140 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:58,153 INFO L477 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 27 treesize of output 19 [2018-11-18 12:26:58,153 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:58,162 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2018-11-18 12:26:58,162 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:26:58,167 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:58,173 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:26:58,173 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:120, output treesize:4 [2018-11-18 12:26:58,216 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:26:58,235 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:26:58,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 19 [2018-11-18 12:26:58,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 12:26:58,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 12:26:58,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-11-18 12:26:58,236 INFO L87 Difference]: Start difference. First operand 104 states and 110 transitions. Second operand 19 states. [2018-11-18 12:26:58,874 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 118 [2018-11-18 12:26:59,777 WARN L180 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 159 [2018-11-18 12:27:00,353 WARN L180 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 164 [2018-11-18 12:27:00,717 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 127 [2018-11-18 12:27:00,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:27:00,998 INFO L93 Difference]: Finished difference Result 177 states and 191 transitions. [2018-11-18 12:27:00,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 12:27:00,999 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 52 [2018-11-18 12:27:00,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:27:01,000 INFO L225 Difference]: With dead ends: 177 [2018-11-18 12:27:01,000 INFO L226 Difference]: Without dead ends: 175 [2018-11-18 12:27:01,001 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=185, Invalid=807, Unknown=0, NotChecked=0, Total=992 [2018-11-18 12:27:01,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-11-18 12:27:01,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 110. [2018-11-18 12:27:01,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-11-18 12:27:01,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 117 transitions. [2018-11-18 12:27:01,013 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 117 transitions. Word has length 52 [2018-11-18 12:27:01,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:27:01,013 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 117 transitions. [2018-11-18 12:27:01,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 12:27:01,013 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 117 transitions. [2018-11-18 12:27:01,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 12:27:01,013 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:27:01,014 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 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, 1, 1, 1, 1, 1, 1] [2018-11-18 12:27:01,014 INFO L423 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:27:01,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:27:01,014 INFO L82 PathProgramCache]: Analyzing trace with hash -573932331, now seen corresponding path program 1 times [2018-11-18 12:27:01,014 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:27:01,014 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:27:01,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:27:01,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:27:01,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:27:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:27:01,292 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 14 [2018-11-18 12:27:01,645 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:27:01,645 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:27:01,645 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:27:01,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:27:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:27:01,680 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:27:01,689 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-11-18 12:27:01,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 12:27:01,692 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:01,704 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:01,710 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:27:01,711 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:20 [2018-11-18 12:27:01,718 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:01,720 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:01,721 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-18 12:27:01,722 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:01,764 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 51 [2018-11-18 12:27:01,787 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 8 treesize of output 7 [2018-11-18 12:27:01,787 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:01,817 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2018-11-18 12:27:01,819 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 8 treesize of output 7 [2018-11-18 12:27:01,820 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:01,846 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 33 treesize of output 35 [2018-11-18 12:27:01,850 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:01,851 INFO L477 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 14 treesize of output 47 [2018-11-18 12:27:01,851 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:01,863 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:01,873 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:01,882 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:01,905 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 74 [2018-11-18 12:27:01,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 12:27:01,940 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:01,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 57 treesize of output 72 [2018-11-18 12:27:01,969 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 12:27:01,969 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:01,982 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:01,986 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 63 [2018-11-18 12:27:01,989 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:01,991 INFO L477 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 18 treesize of output 35 [2018-11-18 12:27:01,991 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:02,001 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:02,009 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:02,018 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:02,040 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:02,040 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 4 variables, input treesize:200, output treesize:99 [2018-11-18 12:27:02,073 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 14 [2018-11-18 12:27:02,075 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-11-18 12:27:02,076 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:02,078 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:02,099 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:02,099 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:112, output treesize:112 [2018-11-18 12:27:02,145 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:02,147 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:02,150 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:02,151 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 50 [2018-11-18 12:27:02,151 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:02,240 INFO L477 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 545 treesize of output 320 [2018-11-18 12:27:02,343 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:02,348 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 228 treesize of output 292 [2018-11-18 12:27:02,349 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:02,427 INFO L477 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 296 [2018-11-18 12:27:02,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 13 [2018-11-18 12:27:02,431 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:02,478 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:02,479 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:27:02,497 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 336 treesize of output 301 [2018-11-18 12:27:02,516 INFO L477 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 295 treesize of output 302 [2018-11-18 12:27:02,516 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-18 12:27:02,615 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:27:02,727 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:27:02,847 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:27:02,982 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 324 treesize of output 240 [2018-11-18 12:27:02,987 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:02,992 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 51 [2018-11-18 12:27:02,992 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:03,029 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:03,038 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 175 [2018-11-18 12:27:03,041 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2018-11-18 12:27:03,041 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:03,064 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:27:03,065 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:03,068 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:27:03,075 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 185 [2018-11-18 12:27:03,078 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 38 [2018-11-18 12:27:03,078 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:03,096 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:03,108 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:03,131 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:03,139 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 332 treesize of output 250 [2018-11-18 12:27:03,143 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:03,147 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 55 [2018-11-18 12:27:03,148 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:03,183 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:03,184 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:03,198 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 183 [2018-11-18 12:27:03,201 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2018-11-18 12:27:03,201 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:03,223 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:27:03,224 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:03,225 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:03,236 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 188 [2018-11-18 12:27:03,239 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:27:03,240 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 48 [2018-11-18 12:27:03,240 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:03,266 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:03,279 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:03,305 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:03,376 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 12:27:03,377 INFO L202 ElimStorePlain]: Needed 20 recursive calls to eliminate 5 variables, input treesize:556, output treesize:413 [2018-11-18 12:27:03,507 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:03,515 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:03,520 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:03,534 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:03,534 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 1695 treesize of output 1687 [2018-11-18 12:27:03,535 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:12,941 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:12,947 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:12,950 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:12,956 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:12,956 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 1042 treesize of output 1046 [2018-11-18 12:27:12,957 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:20,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1034 treesize of output 1000 [2018-11-18 12:27:20,698 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-11-18 12:27:20,698 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:20,878 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:20,882 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:20,925 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 323 [2018-11-18 12:27:20,929 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 87 [2018-11-18 12:27:20,930 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:20,955 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:21,095 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:24,573 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:24,604 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 917 treesize of output 889 [2018-11-18 12:27:24,628 INFO L477 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 0 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 39 [2018-11-18 12:27:24,629 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-11-18 12:27:24,791 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 302 treesize of output 406 [2018-11-18 12:27:24,795 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 12:27:24,795 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:24,848 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:24,850 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:24,852 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:24,853 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:27:24,892 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 286 treesize of output 632 [2018-11-18 12:27:24,907 INFO L477 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 94 treesize of output 179 [2018-11-18 12:27:24,907 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-11-18 12:27:24,972 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:27:25,041 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:27:25,077 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 314 treesize of output 418 [2018-11-18 12:27:25,081 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 12:27:25,081 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:25,135 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:25,138 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:25,141 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:25,141 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:27:25,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 303 treesize of output 649 [2018-11-18 12:27:25,197 INFO L477 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 94 treesize of output 179 [2018-11-18 12:27:25,197 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2018-11-18 12:27:25,255 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:27:25,329 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:27:25,492 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-18 12:27:29,971 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1687 treesize of output 1557 [2018-11-18 12:27:29,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 453 treesize of output 401 [2018-11-18 12:27:29,988 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:30,150 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1398 treesize of output 1450 [2018-11-18 12:27:30,157 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2018-11-18 12:27:30,157 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:30,250 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:27:30,340 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1365 treesize of output 1303 [2018-11-18 12:27:30,358 INFO L477 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 38 treesize of output 45 [2018-11-18 12:27:30,358 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 2 xjuncts. [2018-11-18 12:27:30,454 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:27:30,576 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:27:30,749 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:27:35,187 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1144 treesize of output 1090 [2018-11-18 12:27:35,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 37 [2018-11-18 12:27:35,191 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:35,264 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:35,266 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:35,290 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 364 treesize of output 541 [2018-11-18 12:27:35,293 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 153 [2018-11-18 12:27:35,293 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:35,309 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:35,358 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:35,373 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1118 treesize of output 1064 [2018-11-18 12:27:35,376 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 37 [2018-11-18 12:27:35,377 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:35,443 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:35,444 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:35,460 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 364 treesize of output 541 [2018-11-18 12:27:35,463 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 153 [2018-11-18 12:27:35,464 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:35,478 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:35,525 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:36,577 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 915 treesize of output 397 [2018-11-18 12:27:36,687 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 75 [2018-11-18 12:27:36,691 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 178 treesize of output 153 [2018-11-18 12:27:36,692 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:27:36,749 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 388 treesize of output 296 [2018-11-18 12:27:36,753 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2018-11-18 12:27:36,753 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:36,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 369 treesize of output 246 [2018-11-18 12:27:36,815 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 95 [2018-11-18 12:27:36,815 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:36,846 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:36,881 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:36,916 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:36,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 941 treesize of output 419 [2018-11-18 12:27:37,051 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 76 [2018-11-18 12:27:37,055 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 178 treesize of output 153 [2018-11-18 12:27:37,056 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:27:37,123 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 419 treesize of output 323 [2018-11-18 12:27:37,127 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2018-11-18 12:27:37,127 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:37,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 400 treesize of output 273 [2018-11-18 12:27:37,203 INFO L477 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 96 treesize of output 111 [2018-11-18 12:27:37,203 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 2 xjuncts. [2018-11-18 12:27:37,251 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:27:37,351 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:27:37,450 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:27:38,038 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:38,049 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:38,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 730 treesize of output 348 [2018-11-18 12:27:38,193 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 80 [2018-11-18 12:27:38,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 146 [2018-11-18 12:27:38,196 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:38,244 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:38,259 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 312 treesize of output 236 [2018-11-18 12:27:38,263 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2018-11-18 12:27:38,263 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:38,311 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:38,321 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:38,328 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 293 treesize of output 260 [2018-11-18 12:27:38,335 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 148 [2018-11-18 12:27:38,335 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:38,407 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:38,480 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:38,608 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:38,616 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:38,630 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 742 treesize of output 350 [2018-11-18 12:27:38,759 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 81 [2018-11-18 12:27:38,781 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 135 treesize of output 162 [2018-11-18 12:27:38,781 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-18 12:27:38,898 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 338 treesize of output 246 [2018-11-18 12:27:38,902 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2018-11-18 12:27:38,902 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:38,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 319 treesize of output 260 [2018-11-18 12:27:38,970 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 149 [2018-11-18 12:27:38,970 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:39,019 INFO L267 ElimStorePlain]: Start of recursive call 54: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:39,056 INFO L267 ElimStorePlain]: Start of recursive call 52: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:39,072 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 342 treesize of output 250 [2018-11-18 12:27:39,075 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2018-11-18 12:27:39,076 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:39,143 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:39,146 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 323 treesize of output 274 [2018-11-18 12:27:39,150 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 169 [2018-11-18 12:27:39,150 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:39,193 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:39,228 INFO L267 ElimStorePlain]: Start of recursive call 56: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:39,235 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:39,244 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 326 treesize of output 257 [2018-11-18 12:27:39,247 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2018-11-18 12:27:39,247 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:39,295 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:39,297 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:39,300 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:39,309 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:39,313 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 294 treesize of output 272 [2018-11-18 12:27:39,335 INFO L477 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 4 case distinctions, treesize of input 156 treesize of output 199 [2018-11-18 12:27:39,336 INFO L267 ElimStorePlain]: Start of recursive call 63: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-18 12:27:39,401 INFO L267 ElimStorePlain]: Start of recursive call 62: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:39,435 INFO L267 ElimStorePlain]: Start of recursive call 60: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:39,589 INFO L267 ElimStorePlain]: Start of recursive call 50: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-18 12:27:39,594 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:39,609 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 824 treesize of output 376 [2018-11-18 12:27:39,740 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 82 [2018-11-18 12:27:39,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 151 treesize of output 178 [2018-11-18 12:27:39,763 INFO L267 ElimStorePlain]: Start of recursive call 65: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-18 12:27:39,879 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:39,908 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 371 treesize of output 275 [2018-11-18 12:27:39,912 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2018-11-18 12:27:39,912 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:39,966 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:39,983 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 352 treesize of output 289 [2018-11-18 12:27:39,988 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:39,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 153 treesize of output 208 [2018-11-18 12:27:39,996 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 2 xjuncts. [2018-11-18 12:27:40,083 INFO L267 ElimStorePlain]: Start of recursive call 68: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:27:40,198 INFO L267 ElimStorePlain]: Start of recursive call 66: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:27:40,201 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:40,210 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:40,214 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 355 treesize of output 282 [2018-11-18 12:27:40,218 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2018-11-18 12:27:40,218 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:40,317 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:40,318 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:40,321 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:40,331 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:40,336 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 323 treesize of output 287 [2018-11-18 12:27:40,350 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:40,366 INFO L477 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 5 case distinctions, treesize of input 163 treesize of output 240 [2018-11-18 12:27:40,368 INFO L267 ElimStorePlain]: Start of recursive call 73: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 7 xjuncts. [2018-11-18 12:27:40,470 INFO L267 ElimStorePlain]: Start of recursive call 72: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:27:40,578 INFO L267 ElimStorePlain]: Start of recursive call 70: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:27:40,581 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:40,595 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 367 treesize of output 271 [2018-11-18 12:27:40,598 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2018-11-18 12:27:40,599 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:40,656 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:40,675 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 348 treesize of output 285 [2018-11-18 12:27:40,691 INFO L477 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 149 treesize of output 188 [2018-11-18 12:27:40,692 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 2 xjuncts. [2018-11-18 12:27:40,770 INFO L267 ElimStorePlain]: Start of recursive call 76: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:27:40,898 INFO L267 ElimStorePlain]: Start of recursive call 74: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:27:41,203 INFO L267 ElimStorePlain]: Start of recursive call 64: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-11-18 12:27:41,212 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:41,222 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:41,225 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 812 treesize of output 374 [2018-11-18 12:27:41,373 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 81 [2018-11-18 12:27:41,376 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 146 [2018-11-18 12:27:41,376 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:41,423 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:41,438 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 333 treesize of output 249 [2018-11-18 12:27:41,442 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2018-11-18 12:27:41,442 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:41,487 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:41,505 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 314 treesize of output 263 [2018-11-18 12:27:41,510 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:41,518 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 136 treesize of output 187 [2018-11-18 12:27:41,518 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 2 xjuncts. [2018-11-18 12:27:41,594 INFO L267 ElimStorePlain]: Start of recursive call 82: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:27:41,691 INFO L267 ElimStorePlain]: Start of recursive call 80: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:27:41,807 INFO L267 ElimStorePlain]: Start of recursive call 78: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:27:42,181 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-1 vars, 6 dim-2 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2018-11-18 12:27:42,182 INFO L202 ElimStorePlain]: Needed 83 recursive calls to eliminate 16 variables, input treesize:2738, output treesize:2707 [2018-11-18 12:27:42,581 WARN L180 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 125 [2018-11-18 12:27:42,812 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-11-18 12:27:42,882 INFO L477 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 430 treesize of output 255 [2018-11-18 12:27:42,895 INFO L477 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 223 treesize of output 192 [2018-11-18 12:27:42,896 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:42,965 INFO L477 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 139 treesize of output 69 [2018-11-18 12:27:42,965 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:27:42,993 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 96 [2018-11-18 12:27:42,993 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:27:43,019 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 12:27:43,214 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 544 treesize of output 378 [2018-11-18 12:27:43,218 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:43,220 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 226 treesize of output 187 [2018-11-18 12:27:43,221 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:27:43,262 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 17 [2018-11-18 12:27:43,262 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:43,299 INFO L477 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 19 treesize of output 16 [2018-11-18 12:27:43,299 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-11-18 12:27:43,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 38 [2018-11-18 12:27:43,332 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:27:43,334 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2018-11-18 12:27:43,334 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:27:43,370 INFO L267 ElimStorePlain]: Start of recursive call 6: 4 dim-1 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-11-18 12:27:43,570 INFO L477 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 334 treesize of output 189 [2018-11-18 12:27:43,573 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 77 [2018-11-18 12:27:43,574 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:43,606 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 106 [2018-11-18 12:27:43,607 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:27:43,634 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 53 [2018-11-18 12:27:43,635 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:27:43,660 INFO L267 ElimStorePlain]: Start of recursive call 12: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 12:27:43,854 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 382 treesize of output 212 [2018-11-18 12:27:43,857 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 112 [2018-11-18 12:27:43,858 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:27:43,899 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 67 [2018-11-18 12:27:43,900 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:43,935 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 56 [2018-11-18 12:27:43,936 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:27:43,970 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2018-11-18 12:27:43,970 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:43,999 INFO L267 ElimStorePlain]: Start of recursive call 16: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 12:27:44,169 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 96 [2018-11-18 12:27:44,171 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 52 [2018-11-18 12:27:44,171 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:44,192 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:44,194 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 38 [2018-11-18 12:27:44,194 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:27:44,214 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2018-11-18 12:27:44,214 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:27:44,230 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-18 12:27:44,230 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:44,244 INFO L267 ElimStorePlain]: Start of recursive call 21: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 12:27:44,401 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 101 [2018-11-18 12:27:44,403 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2018-11-18 12:27:44,403 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:44,429 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 20 [2018-11-18 12:27:44,429 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:27:44,451 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:44,452 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-11-18 12:27:44,453 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:44,471 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 13 [2018-11-18 12:27:44,472 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:44,486 INFO L267 ElimStorePlain]: Start of recursive call 26: 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:27:44,621 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:44,633 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:44,634 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:44,637 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:44,640 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 196 treesize of output 126 [2018-11-18 12:27:44,655 INFO L477 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 78 [2018-11-18 12:27:44,656 INFO L267 ElimStorePlain]: Start of recursive call 32: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-18 12:27:44,685 INFO L477 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 42 treesize of output 30 [2018-11-18 12:27:44,686 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:27:44,701 INFO L477 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 31 treesize of output 20 [2018-11-18 12:27:44,701 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:44,716 INFO L477 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 30 treesize of output 22 [2018-11-18 12:27:44,717 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:27:44,767 INFO L267 ElimStorePlain]: Start of recursive call 31: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 12:27:44,770 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:44,770 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:44,777 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 230 treesize of output 142 [2018-11-18 12:27:44,779 INFO L477 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 52 treesize of output 32 [2018-11-18 12:27:44,780 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:27:44,806 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 50 [2018-11-18 12:27:44,807 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:44,828 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 26 [2018-11-18 12:27:44,828 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:44,845 INFO L477 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 38 treesize of output 22 [2018-11-18 12:27:44,846 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:27:44,861 INFO L267 ElimStorePlain]: Start of recursive call 36: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 12:27:44,976 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 104 [2018-11-18 12:27:44,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 30 [2018-11-18 12:27:44,979 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:45,010 INFO L477 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 15 treesize of output 12 [2018-11-18 12:27:45,011 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 2 xjuncts. [2018-11-18 12:27:45,038 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 3 [2018-11-18 12:27:45,038 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:45,043 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 15 [2018-11-18 12:27:45,043 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:45,066 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:27:45,067 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-11-18 12:27:45,067 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-11-18 12:27:45,081 INFO L267 ElimStorePlain]: Start of recursive call 41: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:27:45,169 INFO L267 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 8 dim-2 vars, End of recursive call: 19 dim-0 vars, and 5 xjuncts. [2018-11-18 12:27:45,169 INFO L202 ElimStorePlain]: Needed 46 recursive calls to eliminate 20 variables, input treesize:1691, output treesize:210 [2018-11-18 12:28:49,374 WARN L180 SmtUtils]: Spent 1.07 m on a formula simplification. DAG size of input: 115 DAG size of output: 98 [2018-11-18 12:28:49,383 INFO L477 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 45 treesize of output 45 [2018-11-18 12:28:49,384 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-18 12:28:49,385 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:28:49,396 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-18 12:28:49,396 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:28:49,403 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-18 12:28:49,403 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:28:49,407 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:28:49,448 INFO L477 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 45 treesize of output 45 [2018-11-18 12:28:49,450 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-18 12:28:49,450 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 12:28:49,459 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-18 12:28:49,460 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:28:49,469 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-18 12:28:49,469 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-18 12:28:49,476 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:28:49,513 INFO L477 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 45 treesize of output 45 [2018-11-18 12:28:49,515 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-18 12:28:49,515 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-18 12:28:49,527 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-18 12:28:49,528 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:28:49,535 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-18 12:28:49,535 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-18 12:28:49,541 INFO L267 ElimStorePlain]: Start of recursive call 10: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:28:49,580 INFO L477 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 45 treesize of output 37 [2018-11-18 12:28:49,582 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-18 12:28:49,582 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-18 12:28:49,598 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-18 12:28:49,598 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 12:28:49,606 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-18 12:28:49,606 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-18 12:28:49,611 INFO L267 ElimStorePlain]: Start of recursive call 14: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:28:49,631 INFO L267 ElimStorePlain]: Start of recursive call 1: 20 dim-0 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:28:49,631 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 24 variables, input treesize:181, output treesize:3 [2018-11-18 12:28:49,715 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:28:49,734 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:28:49,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2018-11-18 12:28:49,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 12:28:49,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 12:28:49,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2018-11-18 12:28:49,735 INFO L87 Difference]: Start difference. First operand 110 states and 117 transitions. Second operand 18 states. [2018-11-18 12:29:14,756 WARN L180 SmtUtils]: Spent 24.47 s on a formula simplification. DAG size of input: 235 DAG size of output: 187 [2018-11-18 12:29:15,596 WARN L180 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 140 [2018-11-18 12:30:02,858 WARN L180 SmtUtils]: Spent 47.08 s on a formula simplification. DAG size of input: 223 DAG size of output: 175 [2018-11-18 12:30:29,389 WARN L180 SmtUtils]: Spent 26.23 s on a formula simplification. DAG size of input: 227 DAG size of output: 177 [2018-11-18 12:30:29,809 WARN L180 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 131 [2018-11-18 12:30:29,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:29,902 INFO L93 Difference]: Finished difference Result 222 states and 238 transitions. [2018-11-18 12:30:29,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 12:30:29,903 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 55 [2018-11-18 12:30:29,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:29,904 INFO L225 Difference]: With dead ends: 222 [2018-11-18 12:30:29,904 INFO L226 Difference]: Without dead ends: 206 [2018-11-18 12:30:29,904 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 46 SyntacticMatches, 6 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 164.6s TimeCoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2018-11-18 12:30:29,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-11-18 12:30:29,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 137. [2018-11-18 12:30:29,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-11-18 12:30:29,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 146 transitions. [2018-11-18 12:30:29,918 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 146 transitions. Word has length 55 [2018-11-18 12:30:29,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:29,918 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 146 transitions. [2018-11-18 12:30:29,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 12:30:29,919 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 146 transitions. [2018-11-18 12:30:29,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 12:30:29,919 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:29,919 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 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, 1, 1, 1, 1, 1, 1] [2018-11-18 12:30:29,919 INFO L423 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:29,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:29,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1426726929, now seen corresponding path program 2 times [2018-11-18 12:30:29,920 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:30:29,920 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:30:29,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:29,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:29,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:30,615 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:30:30,615 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:30:30,615 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:30:30,624 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 12:30:30,652 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 12:30:30,652 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:30:30,655 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:30:30,657 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-11-18 12:30:30,660 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 12:30:30,660 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:30,672 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:30,686 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:30:30,686 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:23 [2018-11-18 12:30:30,719 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:30,724 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:30,725 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-18 12:30:30,725 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:30,773 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 57 [2018-11-18 12:30:30,795 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 12:30:30,795 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:30,816 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2018-11-18 12:30:30,818 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 12:30:30,819 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:30,833 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:30:30,842 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 35 treesize of output 67 [2018-11-18 12:30:30,845 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:30,847 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:30:30,848 INFO L477 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 46 treesize of output 126 [2018-11-18 12:30:30,848 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:30,862 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:30,871 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:30,881 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:30,912 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 105 [2018-11-18 12:30:30,975 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 8 treesize of output 7 [2018-11-18 12:30:30,975 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:30,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 68 [2018-11-18 12:30:30,993 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 10 treesize of output 9 [2018-11-18 12:30:30,994 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:31,012 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 63 treesize of output 65 [2018-11-18 12:30:31,015 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:31,016 INFO L477 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 27 [2018-11-18 12:30:31,016 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:31,028 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:31,037 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:31,047 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:31,066 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:31,066 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 5 variables, input treesize:215, output treesize:91 [2018-11-18 12:30:31,125 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:31,139 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:31,157 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:31,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 50 [2018-11-18 12:30:31,158 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:31,654 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 32 [2018-11-18 12:30:31,662 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-11-18 12:30:31,662 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:31,703 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:31,731 INFO L477 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 31 treesize of output 100 [2018-11-18 12:30:31,735 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 73 [2018-11-18 12:30:31,736 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:31,754 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:31,774 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:31,927 INFO L477 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 544 treesize of output 391 [2018-11-18 12:30:32,067 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2018-11-18 12:30:32,072 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:32,081 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 47 [2018-11-18 12:30:32,082 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:32,154 INFO L477 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 360 treesize of output 343 [2018-11-18 12:30:32,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 11 [2018-11-18 12:30:32,158 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:32,235 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 347 treesize of output 338 [2018-11-18 12:30:32,239 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:32,241 INFO L477 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 78 treesize of output 155 [2018-11-18 12:30:32,242 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:32,289 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:32,332 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:32,373 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:32,439 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:30:32,440 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 356 treesize of output 217 [2018-11-18 12:30:32,510 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:32,511 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:30:32,512 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 53 [2018-11-18 12:30:32,512 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:32,558 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 180 [2018-11-18 12:30:32,563 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 12:30:32,563 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:32,662 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 177 [2018-11-18 12:30:32,667 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:32,672 INFO L477 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 18 treesize of output 35 [2018-11-18 12:30:32,672 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:32,699 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:32,715 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:32,746 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:32,788 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:32,788 INFO L202 ElimStorePlain]: Needed 18 recursive calls to eliminate 5 variables, input treesize:525, output treesize:223 [2018-11-18 12:30:32,939 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:32,943 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:32,948 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:32,952 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:32,953 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 37 [2018-11-18 12:30:32,953 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:33,076 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:33,095 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:33,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 569 treesize of output 497 [2018-11-18 12:30:33,301 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 79 [2018-11-18 12:30:33,307 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:33,313 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 98 [2018-11-18 12:30:33,314 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:30:33,388 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:33,411 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:33,416 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:33,417 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 444 treesize of output 476 [2018-11-18 12:30:33,421 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2018-11-18 12:30:33,421 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:33,498 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:33,514 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:33,524 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:33,529 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:33,530 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 435 treesize of output 487 [2018-11-18 12:30:33,536 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:33,554 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 210 [2018-11-18 12:30:33,556 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-18 12:30:33,638 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:33,685 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:33,732 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:33,796 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:33,797 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:33,813 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:30:33,815 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 374 treesize of output 294 [2018-11-18 12:30:33,908 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:33,911 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 70 [2018-11-18 12:30:33,911 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:33,944 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:33,946 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:33,947 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:33,964 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 281 [2018-11-18 12:30:33,968 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2018-11-18 12:30:33,968 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:34,006 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:34,008 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:34,008 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:34,019 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 268 [2018-11-18 12:30:34,022 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:34,022 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:30:34,023 INFO L477 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 26 treesize of output 58 [2018-11-18 12:30:34,023 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:34,060 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:34,082 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:34,104 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:34,142 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:34,142 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 5 variables, input treesize:603, output treesize:291 [2018-11-18 12:30:34,212 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:34,213 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:34,221 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 125 [2018-11-18 12:30:34,223 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2018-11-18 12:30:34,223 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:34,234 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:34,269 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:30:34,270 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:301, output treesize:297 [2018-11-18 12:30:34,470 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:34,471 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:34,472 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:34,473 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:34,476 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:34,480 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 313 treesize of output 281 [2018-11-18 12:30:34,484 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:34,485 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:34,486 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 47 [2018-11-18 12:30:34,486 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:34,527 INFO L477 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 179 treesize of output 172 [2018-11-18 12:30:34,527 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:34,557 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 106 [2018-11-18 12:30:34,558 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:34,593 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 145 [2018-11-18 12:30:34,594 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:30:34,620 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:30:34,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 119 [2018-11-18 12:30:34,657 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:34,658 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 20 [2018-11-18 12:30:34,658 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:34,689 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 72 [2018-11-18 12:30:34,689 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:34,701 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:34,703 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2018-11-18 12:30:34,703 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:34,715 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:34,717 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-11-18 12:30:34,717 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:30:34,725 INFO L267 ElimStorePlain]: Start of recursive call 7: 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:30:34,738 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-11-18 12:30:34,738 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 4 variables, input treesize:324, output treesize:43 [2018-11-18 12:30:34,817 INFO L477 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 31 treesize of output 35 [2018-11-18 12:30:34,818 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-18 12:30:34,819 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:34,827 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-18 12:30:34,827 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:34,831 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-18 12:30:34,831 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:34,834 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:34,840 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:34,840 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:43, output treesize:3 [2018-11-18 12:30:34,877 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:30:34,895 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:30:34,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 24 [2018-11-18 12:30:34,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-11-18 12:30:34,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-11-18 12:30:34,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=477, Unknown=0, NotChecked=0, Total=552 [2018-11-18 12:30:34,896 INFO L87 Difference]: Start difference. First operand 137 states and 146 transitions. Second operand 24 states. [2018-11-18 12:30:36,383 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 123 [2018-11-18 12:30:37,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:37,438 INFO L93 Difference]: Finished difference Result 275 states and 297 transitions. [2018-11-18 12:30:37,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-18 12:30:37,439 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 55 [2018-11-18 12:30:37,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:37,440 INFO L225 Difference]: With dead ends: 275 [2018-11-18 12:30:37,440 INFO L226 Difference]: Without dead ends: 273 [2018-11-18 12:30:37,441 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 46 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 425 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=238, Invalid=1484, Unknown=0, NotChecked=0, Total=1722 [2018-11-18 12:30:37,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-11-18 12:30:37,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 175. [2018-11-18 12:30:37,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-11-18 12:30:37,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 189 transitions. [2018-11-18 12:30:37,460 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 189 transitions. Word has length 55 [2018-11-18 12:30:37,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:37,460 INFO L480 AbstractCegarLoop]: Abstraction has 175 states and 189 transitions. [2018-11-18 12:30:37,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-11-18 12:30:37,461 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 189 transitions. [2018-11-18 12:30:37,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 12:30:37,461 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:37,461 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 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, 1, 1, 1, 1] [2018-11-18 12:30:37,461 INFO L423 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:37,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:37,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1354340371, now seen corresponding path program 2 times [2018-11-18 12:30:37,462 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:30:37,462 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:30:37,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:37,466 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:30:37,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:37,697 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-11-18 12:30:38,446 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:30:38,446 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:30:38,446 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:30:38,454 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 12:30:38,492 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 12:30:38,492 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:30:38,496 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:30:38,512 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:38,513 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 27 [2018-11-18 12:30:38,515 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2018-11-18 12:30:38,515 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:38,524 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:38,532 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:30:38,532 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:27 [2018-11-18 12:30:38,564 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:38,567 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:38,570 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:38,571 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 34 [2018-11-18 12:30:38,571 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:38,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 51 [2018-11-18 12:30:38,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-11-18 12:30:38,648 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:38,667 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2018-11-18 12:30:38,670 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-11-18 12:30:38,671 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:38,694 INFO L477 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 33 treesize of output 35 [2018-11-18 12:30:38,698 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:38,700 INFO L477 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 14 treesize of output 47 [2018-11-18 12:30:38,700 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:38,715 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:38,725 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:38,736 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:38,775 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 74 [2018-11-18 12:30:38,806 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 12:30:38,806 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:38,830 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 72 [2018-11-18 12:30:38,833 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 12:30:38,833 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:38,845 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:38,849 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 63 [2018-11-18 12:30:38,853 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:38,853 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:30:38,854 INFO L477 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 18 treesize of output 46 [2018-11-18 12:30:38,854 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:38,865 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:38,873 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:38,881 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:38,906 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:30:38,906 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 5 variables, input treesize:212, output treesize:115 [2018-11-18 12:30:38,970 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:38,976 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:38,984 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:38,992 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:38,993 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 67 [2018-11-18 12:30:38,993 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:39,360 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:39,361 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 690 treesize of output 450 [2018-11-18 12:30:39,634 WARN L180 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2018-11-18 12:30:39,646 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:39,668 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 356 treesize of output 447 [2018-11-18 12:30:39,668 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:39,802 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:39,835 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:39,846 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:39,847 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 490 treesize of output 446 [2018-11-18 12:30:39,855 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2018-11-18 12:30:39,855 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:39,998 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:30:40,002 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:40,007 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:40,019 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:40,051 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:40,063 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:40,064 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 469 treesize of output 443 [2018-11-18 12:30:40,073 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:40,100 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 429 treesize of output 488 [2018-11-18 12:30:40,101 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 12:30:40,222 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:40,276 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:40,335 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:40,474 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 40 [2018-11-18 12:30:40,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2018-11-18 12:30:40,478 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:40,492 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:40,500 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:40,500 INFO L477 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 39 treesize of output 59 [2018-11-18 12:30:40,504 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2018-11-18 12:30:40,504 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:40,515 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:40,522 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:40,587 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:40,590 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:30:40,592 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 337 treesize of output 214 [2018-11-18 12:30:40,643 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:40,644 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 81 [2018-11-18 12:30:40,644 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:40,663 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:40,665 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:40,672 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 165 [2018-11-18 12:30:40,675 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2018-11-18 12:30:40,675 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:40,695 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:40,696 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:40,705 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 162 [2018-11-18 12:30:40,709 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:40,709 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:30:40,710 INFO L477 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 26 treesize of output 58 [2018-11-18 12:30:40,710 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:40,731 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:40,744 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:40,757 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:40,804 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:30:40,804 INFO L202 ElimStorePlain]: Needed 18 recursive calls to eliminate 6 variables, input treesize:713, output treesize:243 [2018-11-18 12:30:40,965 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:40,969 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:40,972 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:40,975 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:40,978 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:40,983 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:40,988 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:40,989 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 100 [2018-11-18 12:30:40,990 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:41,162 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:41,165 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:41,168 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:41,179 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:41,181 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:41,183 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:41,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 667 treesize of output 538 [2018-11-18 12:30:41,413 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 90 [2018-11-18 12:30:41,418 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:41,424 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 71 [2018-11-18 12:30:41,424 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:41,510 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:41,511 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:41,523 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:41,525 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:41,529 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:41,536 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 489 treesize of output 470 [2018-11-18 12:30:41,540 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 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 [2018-11-18 12:30:41,540 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:41,627 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:41,628 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:41,633 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:41,635 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:41,647 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:41,652 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 478 treesize of output 475 [2018-11-18 12:30:41,665 INFO L477 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 16 treesize of output 23 [2018-11-18 12:30:41,666 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-18 12:30:41,749 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:30:41,930 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:30:42,111 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:30:42,347 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:42,349 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:42,351 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:42,360 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 450 treesize of output 406 [2018-11-18 12:30:42,364 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:42,365 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:30:42,367 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 102 [2018-11-18 12:30:42,367 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:42,426 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:42,427 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:42,428 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:42,429 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:42,443 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 264 treesize of output 318 [2018-11-18 12:30:42,446 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2018-11-18 12:30:42,446 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:42,481 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:42,482 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:42,483 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:42,484 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:42,487 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:42,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 233 treesize of output 312 [2018-11-18 12:30:42,502 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:30:42,503 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 40 [2018-11-18 12:30:42,503 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:42,544 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:42,562 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:42,603 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:42,607 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:42,609 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:42,610 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:42,619 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 446 treesize of output 402 [2018-11-18 12:30:42,628 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:42,629 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:30:42,632 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 102 [2018-11-18 12:30:42,633 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:42,691 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:42,693 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:42,699 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:42,701 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:42,714 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 264 treesize of output 318 [2018-11-18 12:30:42,717 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2018-11-18 12:30:42,717 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:42,750 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:42,751 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:42,753 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:42,754 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:42,755 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:42,759 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:30:42,766 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 233 treesize of output 317 [2018-11-18 12:30:42,770 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 38 [2018-11-18 12:30:42,770 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-18 12:30:42,801 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:42,819 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:42,858 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:30:42,989 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-11-18 12:30:42,990 INFO L202 ElimStorePlain]: Needed 20 recursive calls to eliminate 7 variables, input treesize:690, output treesize:1030 [2018-11-18 12:30:43,176 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2018-11-18 12:30:43,208 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:43,221 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:43,234 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:43,247 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:43,258 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:43,273 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:43,287 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:43,304 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:43,317 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:43,333 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:30:43,334 INFO L303 Elim1Store]: Index analysis took 149 ms [2018-11-18 12:30:43,334 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 4754 treesize of output 4900 [2018-11-18 12:30:43,335 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:31:01,939 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:01,947 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:01,966 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:01,978 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:01,991 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:02,005 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:02,012 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:02,024 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:02,038 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:02,059 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:02,059 INFO L303 Elim1Store]: Index analysis took 156 ms [2018-11-18 12:31:02,060 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 1037 treesize of output 1171 [2018-11-18 12:31:02,061 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:31:21,325 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:21,341 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:21,345 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:21,358 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:21,407 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:21,449 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:21,547 INFO L303 Elim1Store]: Index analysis took 257 ms [2018-11-18 12:31:21,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 997 treesize of output 811 [2018-11-18 12:31:23,454 WARN L180 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 153 DAG size of output: 119 [2018-11-18 12:31:23,532 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 246 treesize of output 218 [2018-11-18 12:31:23,533 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 3 xjuncts. [2018-11-18 12:31:24,149 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:24,154 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:24,161 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:24,167 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:24,227 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:24,233 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:24,243 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:24,277 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:24,294 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:24,295 INFO L303 Elim1Store]: Index analysis took 160 ms [2018-11-18 12:31:24,295 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 20 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 612 treesize of output 608 [2018-11-18 12:31:24,304 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 36 [2018-11-18 12:31:24,304 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 12:31:24,587 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:24,591 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:24,595 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:24,600 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:24,603 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:24,607 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:24,611 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:24,616 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:24,624 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:24,630 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:24,648 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:24,698 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:24,728 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:24,729 INFO L303 Elim1Store]: Index analysis took 149 ms [2018-11-18 12:31:24,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 583 treesize of output 662 [2018-11-18 12:31:24,747 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:24,803 INFO L477 Elim1Store]: Elim1 applied some 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 4 new quantified variables, introduced 7 case distinctions, treesize of input 152 treesize of output 217 [2018-11-18 12:31:24,806 INFO L267 ElimStorePlain]: Start of recursive call 9: 8 dim-0 vars, End of recursive call: 8 dim-0 vars, and 7 xjuncts. [2018-11-18 12:31:25,042 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:31:25,218 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:31:25,232 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:25,236 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:25,244 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:25,250 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:25,326 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:25,332 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:25,339 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:25,380 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:25,395 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:25,395 INFO L303 Elim1Store]: Index analysis took 176 ms [2018-11-18 12:31:25,396 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 20 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 611 treesize of output 600 [2018-11-18 12:31:25,406 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 28 [2018-11-18 12:31:25,406 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-18 12:31:25,633 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:25,638 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:25,641 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:25,645 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:25,649 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:25,651 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:25,657 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:25,660 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:25,717 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:25,721 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:25,735 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:25,739 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:25,752 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:25,762 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:25,771 INFO L303 Elim1Store]: Index analysis took 147 ms [2018-11-18 12:31:25,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 525 treesize of output 650 [2018-11-18 12:31:25,804 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:25,848 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 173 treesize of output 209 [2018-11-18 12:31:25,850 INFO L267 ElimStorePlain]: Start of recursive call 13: 8 dim-0 vars, End of recursive call: 8 dim-0 vars, and 7 xjuncts. [2018-11-18 12:31:26,084 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:31:26,266 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:31:26,881 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:31:42,684 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:42,694 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:42,721 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 600 treesize of output 658 [2018-11-18 12:31:42,724 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 41 [2018-11-18 12:31:42,725 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-18 12:31:42,876 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:42,878 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:42,880 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:42,881 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:42,886 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:42,906 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:42,910 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 377 [2018-11-18 12:31:42,914 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 58 [2018-11-18 12:31:42,914 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-18 12:31:42,942 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:31:43,051 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:31:43,059 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:43,071 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:43,100 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 522 treesize of output 584 [2018-11-18 12:31:43,104 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 33 [2018-11-18 12:31:43,104 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-18 12:31:43,251 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:43,254 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:43,256 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:43,258 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:43,261 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:43,269 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:43,289 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:43,290 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 345 [2018-11-18 12:31:43,293 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 58 [2018-11-18 12:31:43,294 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-18 12:31:43,323 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:31:43,426 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:31:51,168 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:51,295 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:51,379 INFO L303 Elim1Store]: Index analysis took 224 ms [2018-11-18 12:31:51,379 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 4744 treesize of output 4642 [2018-11-18 12:31:51,388 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 73 [2018-11-18 12:31:51,388 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-18 12:31:51,996 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:52,006 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:52,015 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:52,023 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:52,116 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:52,145 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:52,210 INFO L303 Elim1Store]: Index analysis took 224 ms [2018-11-18 12:31:52,210 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1117 treesize of output 2273 [2018-11-18 12:31:52,218 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 990 [2018-11-18 12:31:52,218 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-18 12:31:52,282 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:31:52,582 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:31:55,265 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:55,271 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:55,277 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:55,319 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:55,322 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:55,338 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:55,360 INFO L303 Elim1Store]: Index analysis took 105 ms [2018-11-18 12:31:55,361 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 14 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 4271 treesize of output 2104 [2018-11-18 12:31:56,044 WARN L180 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 109 [2018-11-18 12:31:56,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 73 [2018-11-18 12:31:56,054 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-18 12:31:56,237 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:56,241 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:56,243 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:56,245 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:56,247 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:56,270 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:56,276 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:56,279 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:56,286 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:56,289 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:56,303 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 20 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 2577 treesize of output 1864 [2018-11-18 12:31:56,309 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 68 [2018-11-18 12:31:56,309 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-11-18 12:31:56,459 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:56,460 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:56,462 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:56,465 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:56,467 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:56,469 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:56,471 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:56,476 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:56,478 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:56,486 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:56,501 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:56,514 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:56,515 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2512 treesize of output 2352 [2018-11-18 12:31:56,534 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:56,617 INFO L477 Elim1Store]: Elim1 applied some 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 4 new quantified variables, introduced 7 case distinctions, treesize of input 2631 treesize of output 3008 [2018-11-18 12:31:56,621 INFO L267 ElimStorePlain]: Start of recursive call 31: 8 dim-0 vars, End of recursive call: 8 dim-0 vars, and 7 xjuncts. [2018-11-18 12:31:56,817 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:31:56,922 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:31:57,058 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:31:58,346 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:58,348 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:58,350 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:58,366 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:31:58,376 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2312 treesize of output 1399 [2018-11-18 12:31:58,621 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 101 [2018-11-18 12:31:58,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 45 [2018-11-18 12:31:58,624 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-18 12:31:58,713 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:58,714 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:58,715 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:58,716 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:58,717 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:58,718 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:58,751 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 1024 [2018-11-18 12:31:58,755 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 41 [2018-11-18 12:31:58,755 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-11-18 12:31:58,829 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:58,831 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:58,832 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:58,833 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:58,834 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:58,835 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:58,837 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:58,838 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:58,852 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:58,865 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 861 treesize of output 1135 [2018-11-18 12:31:58,869 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:58,871 INFO L477 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 149 treesize of output 153 [2018-11-18 12:31:58,871 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-11-18 12:31:58,954 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:31:59,001 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:31:59,082 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:31:59,550 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:59,552 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:59,553 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:59,568 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:31:59,571 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 527 treesize of output 538 [2018-11-18 12:31:59,763 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 103 [2018-11-18 12:31:59,767 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:31:59,767 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 49 [2018-11-18 12:31:59,768 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-11-18 12:31:59,848 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:59,849 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:59,850 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:59,851 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:59,853 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:59,855 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:59,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 348 treesize of output 499 [2018-11-18 12:31:59,881 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 12:31:59,881 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-11-18 12:31:59,941 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:59,942 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:59,943 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:59,944 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:59,945 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:59,946 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:59,947 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:59,948 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:59,949 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:59,960 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:59,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 355 treesize of output 519 [2018-11-18 12:31:59,972 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:31:59,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 63 [2018-11-18 12:31:59,974 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:00,031 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:00,063 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:00,140 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:00,145 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:00,146 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:00,148 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:00,160 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:32:00,166 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 613 treesize of output 610 [2018-11-18 12:32:00,416 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 107 [2018-11-18 12:32:00,420 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:00,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 98 [2018-11-18 12:32:00,421 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:00,512 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:00,514 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:00,515 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:00,516 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:00,517 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:00,540 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 387 treesize of output 538 [2018-11-18 12:32:00,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 12:32:00,543 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:00,610 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:00,611 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:00,613 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:00,614 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:00,615 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:00,617 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:00,618 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:00,636 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 394 treesize of output 533 [2018-11-18 12:32:00,640 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:00,641 INFO L477 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 26 treesize of output 77 [2018-11-18 12:32:00,641 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:00,708 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:00,740 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:00,827 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:01,125 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, 6 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-18 12:32:01,125 INFO L202 ElimStorePlain]: Needed 49 recursive calls to eliminate 14 variables, input treesize:5792, output treesize:3061 [2018-11-18 12:32:01,442 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 124 [2018-11-18 12:32:01,653 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2018-11-18 12:32:01,838 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-11-18 12:32:02,069 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-11-18 12:32:02,284 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-11-18 12:32:02,704 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:02,705 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:02,706 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:02,707 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:02,708 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:02,708 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:02,709 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:02,710 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:02,711 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:02,713 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:02,714 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:02,717 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:02,719 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:02,722 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 769 treesize of output 562 [2018-11-18 12:32:02,726 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 42 [2018-11-18 12:32:02,727 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:02,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 308 treesize of output 301 [2018-11-18 12:32:02,820 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:02,875 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:02,876 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:32:02,877 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 331 treesize of output 284 [2018-11-18 12:32:02,877 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:02,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 265 treesize of output 226 [2018-11-18 12:32:02,931 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:32:02,978 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:02,980 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 133 [2018-11-18 12:32:02,980 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:32:03,020 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 12:32:03,147 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:03,149 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:03,150 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:03,151 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:03,156 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:03,161 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 227 treesize of output 185 [2018-11-18 12:32:03,166 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:03,178 INFO L477 Elim1Store]: Elim1 applied some 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 2 case distinctions, treesize of input 87 treesize of output 81 [2018-11-18 12:32:03,179 INFO L267 ElimStorePlain]: Start of recursive call 9: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-11-18 12:32:03,367 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 24 [2018-11-18 12:32:03,367 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:03,397 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:03,399 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2018-11-18 12:32:03,399 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:03,427 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2018-11-18 12:32:03,428 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:32:03,457 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2018-11-18 12:32:03,458 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:03,478 INFO L267 ElimStorePlain]: Start of recursive call 8: 5 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:32:03,583 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:03,585 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:03,586 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:03,587 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:03,588 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:03,589 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:03,592 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:03,593 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:03,598 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:03,600 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:03,601 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:03,602 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 1114 treesize of output 492 [2018-11-18 12:32:03,624 INFO L477 Elim1Store]: Elim1 applied some 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 326 treesize of output 351 [2018-11-18 12:32:03,626 INFO L267 ElimStorePlain]: Start of recursive call 15: 10 dim-0 vars, End of recursive call: 10 dim-0 vars, and 7 xjuncts. [2018-11-18 12:32:03,753 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 289 treesize of output 206 [2018-11-18 12:32:03,754 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:32:03,821 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 92 [2018-11-18 12:32:03,821 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:32:03,889 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:03,889 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:32:03,890 INFO L477 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 188 treesize of output 150 [2018-11-18 12:32:03,890 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:03,943 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:03,945 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 100 [2018-11-18 12:32:03,946 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:32:03,992 INFO L267 ElimStorePlain]: Start of recursive call 14: 5 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-11-18 12:32:04,065 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:04,067 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:04,068 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:04,078 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 216 treesize of output 176 [2018-11-18 12:32:04,081 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 84 [2018-11-18 12:32:04,081 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:04,132 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:32:04,132 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 30 [2018-11-18 12:32:04,133 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:04,171 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:04,172 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 12 [2018-11-18 12:32:04,172 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:04,212 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:04,214 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 41 [2018-11-18 12:32:04,214 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:04,240 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2018-11-18 12:32:04,241 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:04,269 INFO L267 ElimStorePlain]: Start of recursive call 20: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:04,317 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-2 vars, End of recursive call: 10 dim-0 vars, and 2 xjuncts. [2018-11-18 12:32:04,317 INFO L202 ElimStorePlain]: Needed 25 recursive calls to eliminate 8 variables, input treesize:1884, output treesize:151 [2018-11-18 12:32:08,771 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:08,773 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:08,773 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:08,775 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:08,778 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:08,779 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:08,782 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 45 treesize of output 85 [2018-11-18 12:32:08,790 INFO L477 Elim1Store]: Elim1 applied some 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 15 treesize of output 18 [2018-11-18 12:32:08,790 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 12:32:08,905 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-18 12:32:08,905 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:08,965 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-18 12:32:08,965 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:08,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-18 12:32:08,994 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:09,004 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-18 12:32:09,004 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:09,011 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:09,024 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:09,024 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:73, output treesize:3 [2018-11-18 12:32:09,107 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:09,126 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:32:09,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 16] total 32 [2018-11-18 12:32:09,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-11-18 12:32:09,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-11-18 12:32:09,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=834, Unknown=0, NotChecked=0, Total=992 [2018-11-18 12:32:09,127 INFO L87 Difference]: Start difference. First operand 175 states and 189 transitions. Second operand 32 states. [2018-11-18 12:32:10,597 WARN L180 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 128 [2018-11-18 12:32:11,344 WARN L180 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 132 [2018-11-18 12:32:11,956 WARN L180 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 158 [2018-11-18 12:32:15,174 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2018-11-18 12:32:15,570 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 67 [2018-11-18 12:32:15,931 WARN L180 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 140 [2018-11-18 12:32:16,654 WARN L180 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 145 [2018-11-18 12:32:17,296 WARN L180 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 144 [2018-11-18 12:32:17,718 WARN L180 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 146 [2018-11-18 12:32:19,047 WARN L180 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 276 DAG size of output: 276 [2018-11-18 12:32:21,645 WARN L180 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 165 [2018-11-18 12:32:23,993 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 132 [2018-11-18 12:32:24,852 WARN L180 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 167 [2018-11-18 12:32:25,234 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 136 [2018-11-18 12:32:25,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:32:25,326 INFO L93 Difference]: Finished difference Result 433 states and 471 transitions. [2018-11-18 12:32:25,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-11-18 12:32:25,327 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 55 [2018-11-18 12:32:25,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:32:25,328 INFO L225 Difference]: With dead ends: 433 [2018-11-18 12:32:25,328 INFO L226 Difference]: Without dead ends: 431 [2018-11-18 12:32:25,329 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1489 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=734, Invalid=3822, Unknown=0, NotChecked=0, Total=4556 [2018-11-18 12:32:25,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-11-18 12:32:25,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 215. [2018-11-18 12:32:25,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-11-18 12:32:25,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 234 transitions. [2018-11-18 12:32:25,354 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 234 transitions. Word has length 55 [2018-11-18 12:32:25,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:32:25,354 INFO L480 AbstractCegarLoop]: Abstraction has 215 states and 234 transitions. [2018-11-18 12:32:25,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-11-18 12:32:25,354 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 234 transitions. [2018-11-18 12:32:25,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 12:32:25,355 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:32:25,355 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 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] [2018-11-18 12:32:25,355 INFO L423 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:32:25,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:32:25,356 INFO L82 PathProgramCache]: Analyzing trace with hash -264278099, now seen corresponding path program 3 times [2018-11-18 12:32:25,356 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:32:25,356 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:32:25,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:25,356 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:32:25,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:25,640 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-11-18 12:32:25,936 WARN L180 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2018-11-18 12:32:26,301 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:26,301 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:32:26,301 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:32:26,307 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 12:32:26,354 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-11-18 12:32:26,354 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:32:26,357 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:32:26,359 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-11-18 12:32:26,361 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 12:32:26,361 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:26,369 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:26,384 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:32:26,385 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:23 [2018-11-18 12:32:26,439 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:26,441 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:26,441 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-18 12:32:26,441 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:26,481 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 51 [2018-11-18 12:32:26,502 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 8 treesize of output 7 [2018-11-18 12:32:26,503 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:26,522 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2018-11-18 12:32:26,525 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 8 treesize of output 7 [2018-11-18 12:32:26,525 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:26,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 33 treesize of output 35 [2018-11-18 12:32:26,556 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:26,558 INFO L477 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 14 treesize of output 47 [2018-11-18 12:32:26,558 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:26,569 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:26,578 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:26,587 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:26,611 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 74 [2018-11-18 12:32:26,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 12:32:26,651 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:26,674 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 57 treesize of output 72 [2018-11-18 12:32:26,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 12:32:26,678 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:26,693 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:26,698 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 63 [2018-11-18 12:32:26,700 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:26,701 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:32:26,701 INFO L477 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 18 treesize of output 46 [2018-11-18 12:32:26,701 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:26,712 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:26,720 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:26,728 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:26,746 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:26,746 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 4 variables, input treesize:203, output treesize:102 [2018-11-18 12:32:26,795 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:26,799 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:26,802 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:26,802 INFO L477 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 20 treesize of output 21 [2018-11-18 12:32:26,802 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:26,876 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:26,878 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 597 treesize of output 369 [2018-11-18 12:32:26,973 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:26,981 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 327 treesize of output 409 [2018-11-18 12:32:26,982 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:32:27,032 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:27,035 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:27,038 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:27,046 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 400 treesize of output 364 [2018-11-18 12:32:27,050 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 30 treesize of output 24 [2018-11-18 12:32:27,050 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:27,099 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:32:27,101 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:27,103 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:27,104 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:27,115 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:27,117 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:27,120 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 379 treesize of output 361 [2018-11-18 12:32:27,125 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:27,146 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 360 treesize of output 415 [2018-11-18 12:32:27,147 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 12:32:27,216 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:27,247 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:27,273 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:27,306 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:27,310 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:32:27,311 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 335 treesize of output 212 [2018-11-18 12:32:27,355 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:27,355 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 81 [2018-11-18 12:32:27,355 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:27,373 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:27,375 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:27,383 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 171 [2018-11-18 12:32:27,386 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2018-11-18 12:32:27,386 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:27,406 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:32:27,407 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:27,409 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:27,410 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:27,418 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 176 [2018-11-18 12:32:27,421 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:27,421 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:32:27,422 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 82 [2018-11-18 12:32:27,422 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:27,440 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:27,451 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:27,462 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:27,486 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:27,486 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 4 variables, input treesize:614, output treesize:186 [2018-11-18 12:32:27,535 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-18 12:32:27,537 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 12:32:27,537 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:27,539 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:27,562 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:27,562 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:199, output treesize:195 [2018-11-18 12:32:27,817 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:27,818 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:27,819 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:27,822 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:27,825 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:27,826 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 320 treesize of output 194 [2018-11-18 12:32:27,834 INFO L477 Elim1Store]: Elim1 applied some 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 126 treesize of output 131 [2018-11-18 12:32:27,834 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 12:32:27,871 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 105 [2018-11-18 12:32:27,872 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:32:27,894 INFO L477 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 84 treesize of output 70 [2018-11-18 12:32:27,894 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:32:27,910 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 12:32:27,931 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 67 [2018-11-18 12:32:27,933 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:27,934 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2018-11-18 12:32:27,935 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:27,947 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 18 [2018-11-18 12:32:27,948 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:27,954 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:27,955 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-18 12:32:27,955 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:27,960 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:27,968 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:27,968 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 3 variables, input treesize:320, output treesize:13 [2018-11-18 12:32:28,000 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-18 12:32:28,001 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-18 12:32:28,001 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:28,004 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:28,006 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:28,006 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-11-18 12:32:28,056 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:28,075 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:32:28,075 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 26 [2018-11-18 12:32:28,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-11-18 12:32:28,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-11-18 12:32:28,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2018-11-18 12:32:28,076 INFO L87 Difference]: Start difference. First operand 215 states and 234 transitions. Second operand 26 states. [2018-11-18 12:32:29,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:32:29,724 INFO L93 Difference]: Finished difference Result 230 states and 249 transitions. [2018-11-18 12:32:29,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 12:32:29,725 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 56 [2018-11-18 12:32:29,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:32:29,726 INFO L225 Difference]: With dead ends: 230 [2018-11-18 12:32:29,726 INFO L226 Difference]: Without dead ends: 208 [2018-11-18 12:32:29,726 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 46 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=187, Invalid=1219, Unknown=0, NotChecked=0, Total=1406 [2018-11-18 12:32:29,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2018-11-18 12:32:29,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 195. [2018-11-18 12:32:29,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-11-18 12:32:29,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 213 transitions. [2018-11-18 12:32:29,747 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 213 transitions. Word has length 56 [2018-11-18 12:32:29,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:32:29,748 INFO L480 AbstractCegarLoop]: Abstraction has 195 states and 213 transitions. [2018-11-18 12:32:29,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-11-18 12:32:29,748 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 213 transitions. [2018-11-18 12:32:29,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 12:32:29,748 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:32:29,749 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 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, 1] [2018-11-18 12:32:29,749 INFO L423 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:32:29,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:32:29,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1786705899, now seen corresponding path program 2 times [2018-11-18 12:32:29,749 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:32:29,749 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:32:29,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:29,750 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:32:29,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:29,947 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-11-18 12:32:30,081 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:30,081 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:32:30,081 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:32:30,097 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 12:32:30,130 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 12:32:30,130 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:32:30,133 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:32:30,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-11-18 12:32:30,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 12:32:30,145 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:30,148 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:30,155 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:32:30,155 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:23 [2018-11-18 12:32:30,191 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:30,192 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:30,193 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-18 12:32:30,193 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:30,244 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 51 [2018-11-18 12:32:30,266 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 12:32:30,266 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:30,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2018-11-18 12:32:30,295 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 12:32:30,295 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:30,309 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:32:30,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 33 treesize of output 63 [2018-11-18 12:32:30,321 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:30,322 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:32:30,322 INFO L477 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 42 treesize of output 114 [2018-11-18 12:32:30,322 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:30,334 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:30,344 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:30,353 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:30,383 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 93 [2018-11-18 12:32:30,423 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 8 treesize of output 7 [2018-11-18 12:32:30,424 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:30,443 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 64 [2018-11-18 12:32:30,445 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 8 treesize of output 7 [2018-11-18 12:32:30,446 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:30,462 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 59 treesize of output 61 [2018-11-18 12:32:30,465 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:30,466 INFO L477 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 14 treesize of output 23 [2018-11-18 12:32:30,466 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:30,478 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:30,487 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:30,496 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:30,515 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:30,515 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 4 variables, input treesize:203, output treesize:86 [2018-11-18 12:32:30,617 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:30,621 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:30,625 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:30,625 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 50 [2018-11-18 12:32:30,625 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:30,739 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:32:30,744 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 413 treesize of output 314 [2018-11-18 12:32:30,848 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:30,849 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2018-11-18 12:32:30,849 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:30,894 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 281 treesize of output 289 [2018-11-18 12:32:30,897 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 12:32:30,897 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:30,930 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:30,931 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:32:30,947 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 268 treesize of output 286 [2018-11-18 12:32:30,950 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:30,951 INFO L477 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 18 treesize of output 35 [2018-11-18 12:32:30,951 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:30,978 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:31,001 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:31,023 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:31,072 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:31,073 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 294 treesize of output 194 [2018-11-18 12:32:31,138 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:31,142 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 47 [2018-11-18 12:32:31,142 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:31,168 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:31,172 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:31,177 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:31,177 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 170 [2018-11-18 12:32:31,180 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 30 treesize of output 24 [2018-11-18 12:32:31,181 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:31,210 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:31,211 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:31,213 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:31,216 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:31,218 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:31,221 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 167 [2018-11-18 12:32:31,230 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:31,243 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 82 treesize of output 147 [2018-11-18 12:32:31,245 INFO L267 ElimStorePlain]: Start of recursive call 14: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-18 12:32:31,292 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:31,308 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:31,325 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:31,353 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:31,353 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 4 variables, input treesize:463, output treesize:188 [2018-11-18 12:32:31,418 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:31,426 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:31,435 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:31,445 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:31,454 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:31,464 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:31,465 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 73 [2018-11-18 12:32:31,465 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:31,734 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 36 [2018-11-18 12:32:31,738 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2018-11-18 12:32:31,739 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:31,762 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:31,816 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:31,817 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 111 [2018-11-18 12:32:31,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 146 [2018-11-18 12:32:31,821 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:31,836 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:31,850 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:31,987 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:31,990 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:31,992 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:31,994 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:31,997 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,000 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,012 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 604 treesize of output 527 [2018-11-18 12:32:32,192 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 79 [2018-11-18 12:32:32,199 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,206 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 55 [2018-11-18 12:32:32,206 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:32,280 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,283 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,285 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,286 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,301 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,303 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,306 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,309 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,311 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,315 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 412 treesize of output 473 [2018-11-18 12:32:32,320 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 28 [2018-11-18 12:32:32,321 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:32,408 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,411 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,424 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,427 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,431 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,435 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,443 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,464 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,467 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,480 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,487 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,500 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,502 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 407 treesize of output 482 [2018-11-18 12:32:32,533 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,565 INFO L477 Elim1Store]: Elim1 applied some 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 4 new quantified variables, introduced 7 case distinctions, treesize of input 52 treesize of output 317 [2018-11-18 12:32:32,568 INFO L267 ElimStorePlain]: Start of recursive call 12: 8 dim-0 vars, End of recursive call: 8 dim-0 vars, and 7 xjuncts. [2018-11-18 12:32:32,768 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:32,833 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:32,889 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:32,960 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,961 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,963 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:32,966 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:32:32,971 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 456 treesize of output 353 [2018-11-18 12:32:33,090 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2018-11-18 12:32:33,094 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:33,095 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:32:33,096 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 108 [2018-11-18 12:32:33,096 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:33,142 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:33,143 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:33,145 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:33,147 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:33,148 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:33,166 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 280 treesize of output 323 [2018-11-18 12:32:33,169 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2018-11-18 12:32:33,169 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:33,217 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:33,218 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:33,219 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:33,220 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:33,221 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:33,237 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 267 treesize of output 313 [2018-11-18 12:32:33,245 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:33,245 INFO L477 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 26 treesize of output 51 [2018-11-18 12:32:33,245 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:33,289 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:33,317 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:33,345 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:33,390 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:33,390 INFO L202 ElimStorePlain]: Needed 18 recursive calls to eliminate 6 variables, input treesize:619, output treesize:676 [2018-11-18 12:32:33,640 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:33,641 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:33,643 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:33,645 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 128 treesize of output 178 [2018-11-18 12:32:33,647 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-18 12:32:33,647 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:33,660 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 1 [2018-11-18 12:32:33,660 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:33,664 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2018-11-18 12:32:33,664 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:33,666 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:33,701 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:33,701 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:683, output treesize:556 [2018-11-18 12:32:34,016 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:34,018 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:34,019 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:34,020 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:34,022 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:34,029 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 569 treesize of output 395 [2018-11-18 12:32:34,033 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:34,033 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:32:34,033 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 33 [2018-11-18 12:32:34,034 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:34,070 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:34,070 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 47 [2018-11-18 12:32:34,071 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:34,090 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:34,090 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 107 [2018-11-18 12:32:34,090 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:34,106 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 113 [2018-11-18 12:32:34,106 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:34,117 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:34,130 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:32:34,130 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:588, output treesize:135 [2018-11-18 12:32:34,175 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:34,176 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:34,177 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:34,178 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:34,179 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:34,180 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:34,181 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:34,182 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:34,183 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:34,184 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:34,185 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:34,185 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 14 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 118 [2018-11-18 12:32:34,230 INFO L477 Elim1Store]: Elim1 applied some 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 6 new quantified variables, introduced 9 case distinctions, treesize of input 25 treesize of output 97 [2018-11-18 12:32:34,230 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-11-18 12:32:34,367 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:34,453 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 21 [2018-11-18 12:32:34,454 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:34,471 INFO L477 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 27 treesize of output 19 [2018-11-18 12:32:34,471 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:34,484 INFO L477 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 18 treesize of output 9 [2018-11-18 12:32:34,484 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:34,489 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:34,493 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:34,494 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:136, output treesize:4 [2018-11-18 12:32:34,560 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:34,588 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:32:34,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 22 [2018-11-18 12:32:34,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-18 12:32:34,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-18 12:32:34,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2018-11-18 12:32:34,589 INFO L87 Difference]: Start difference. First operand 195 states and 213 transitions. Second operand 22 states. [2018-11-18 12:32:35,829 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2018-11-18 12:32:36,127 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2018-11-18 12:32:36,464 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2018-11-18 12:32:36,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:32:36,966 INFO L93 Difference]: Finished difference Result 321 states and 349 transitions. [2018-11-18 12:32:36,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 12:32:36,967 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 56 [2018-11-18 12:32:36,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:32:36,968 INFO L225 Difference]: With dead ends: 321 [2018-11-18 12:32:36,968 INFO L226 Difference]: Without dead ends: 319 [2018-11-18 12:32:36,968 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=166, Invalid=1240, Unknown=0, NotChecked=0, Total=1406 [2018-11-18 12:32:36,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2018-11-18 12:32:36,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 213. [2018-11-18 12:32:36,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-11-18 12:32:36,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 231 transitions. [2018-11-18 12:32:36,993 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 231 transitions. Word has length 56 [2018-11-18 12:32:36,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:32:36,994 INFO L480 AbstractCegarLoop]: Abstraction has 213 states and 231 transitions. [2018-11-18 12:32:36,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-18 12:32:36,994 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 231 transitions. [2018-11-18 12:32:36,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 12:32:36,994 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:32:36,994 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 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] [2018-11-18 12:32:36,994 INFO L423 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:32:36,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:32:36,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1433617517, now seen corresponding path program 3 times [2018-11-18 12:32:36,995 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:32:36,995 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:32:36,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:36,995 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:32:36,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:37,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:37,358 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:37,358 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:32:37,358 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:32:37,370 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 12:32:37,456 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-11-18 12:32:37,456 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:32:37,459 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:32:37,491 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:37,493 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 27 [2018-11-18 12:32:37,494 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2018-11-18 12:32:37,495 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:37,500 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:37,513 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:32:37,513 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:27 [2018-11-18 12:32:37,547 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:37,549 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:37,551 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:37,552 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 34 [2018-11-18 12:32:37,552 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:37,601 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 51 [2018-11-18 12:32:37,623 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-11-18 12:32:37,623 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:37,644 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2018-11-18 12:32:37,647 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-11-18 12:32:37,648 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:37,680 INFO L477 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 33 treesize of output 35 [2018-11-18 12:32:37,687 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:37,690 INFO L477 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 14 treesize of output 47 [2018-11-18 12:32:37,690 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:37,758 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:37,783 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:37,817 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:37,964 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 74 [2018-11-18 12:32:38,112 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-11-18 12:32:38,115 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 12:32:38,115 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:38,142 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 72 [2018-11-18 12:32:38,145 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 12:32:38,145 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:38,158 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:38,161 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 63 [2018-11-18 12:32:38,164 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:38,165 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:32:38,165 INFO L477 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 18 treesize of output 46 [2018-11-18 12:32:38,165 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:38,178 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:38,186 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:38,193 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:38,219 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:32:38,219 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 5 variables, input treesize:212, output treesize:115 [2018-11-18 12:32:38,280 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:38,288 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:38,297 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:38,301 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:38,302 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 67 [2018-11-18 12:32:38,302 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:38,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 40 [2018-11-18 12:32:38,656 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2018-11-18 12:32:38,656 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:38,690 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:38,713 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:38,714 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 147 [2018-11-18 12:32:38,719 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 198 [2018-11-18 12:32:38,719 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:38,742 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:38,756 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:38,911 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:38,918 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 731 treesize of output 435 [2018-11-18 12:32:39,055 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2018-11-18 12:32:39,060 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:39,066 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 337 treesize of output 428 [2018-11-18 12:32:39,066 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:39,136 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:39,137 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:39,151 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:39,153 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:39,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 463 treesize of output 423 [2018-11-18 12:32:39,162 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2018-11-18 12:32:39,163 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:39,236 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:32:39,237 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:39,239 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:39,242 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:39,253 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:39,255 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:39,258 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 450 treesize of output 420 [2018-11-18 12:32:39,265 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:39,280 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 408 treesize of output 469 [2018-11-18 12:32:39,281 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 12:32:39,376 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:39,415 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:39,456 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:39,522 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:39,526 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:32:39,526 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 389 treesize of output 266 [2018-11-18 12:32:39,583 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:39,584 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 81 [2018-11-18 12:32:39,584 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:39,612 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:39,615 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:39,623 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 201 treesize of output 217 [2018-11-18 12:32:39,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2018-11-18 12:32:39,626 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:39,659 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:32:39,664 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:39,665 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:39,675 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 214 [2018-11-18 12:32:39,678 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:39,679 INFO L477 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 26 treesize of output 51 [2018-11-18 12:32:39,679 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:39,702 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:39,718 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:39,735 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:39,780 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:32:39,781 INFO L202 ElimStorePlain]: Needed 18 recursive calls to eliminate 6 variables, input treesize:713, output treesize:263 [2018-11-18 12:32:39,863 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:39,868 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:39,871 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:39,874 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:39,876 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:39,881 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:39,885 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:39,886 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 100 [2018-11-18 12:32:39,886 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:40,098 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:40,101 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:40,104 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:40,115 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:40,118 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:40,120 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:40,121 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 788 treesize of output 635 [2018-11-18 12:32:40,377 WARN L180 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 92 [2018-11-18 12:32:40,384 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:40,394 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 71 [2018-11-18 12:32:40,394 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:40,505 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:40,508 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:40,511 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:40,513 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:40,516 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:40,527 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:40,529 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:40,532 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 612 treesize of output 589 [2018-11-18 12:32:40,538 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 28 [2018-11-18 12:32:40,538 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:40,651 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:40,654 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:40,656 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:40,659 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:40,660 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:40,674 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:40,677 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:40,679 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:40,681 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:40,683 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:40,689 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 595 treesize of output 598 [2018-11-18 12:32:40,700 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:40,740 INFO L477 Elim1Store]: Elim1 applied some 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 4 new quantified variables, introduced 7 case distinctions, treesize of input 52 treesize of output 437 [2018-11-18 12:32:40,750 INFO L267 ElimStorePlain]: Start of recursive call 8: 32 dim-0 vars, End of recursive call: 32 dim-0 vars, and 27 xjuncts. [2018-11-18 12:32:40,959 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:41,013 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:41,067 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:41,162 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:41,163 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:41,167 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:32:41,173 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 602 treesize of output 471 [2018-11-18 12:32:41,271 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:41,272 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:32:41,272 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 109 [2018-11-18 12:32:41,273 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:41,309 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:41,310 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:41,312 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:41,313 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:41,329 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 330 treesize of output 389 [2018-11-18 12:32:41,333 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2018-11-18 12:32:41,333 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:41,374 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:41,375 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:41,376 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:41,378 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:41,379 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:41,380 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:41,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 317 treesize of output 396 [2018-11-18 12:32:41,397 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:41,397 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:32:41,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 78 [2018-11-18 12:32:41,398 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:41,435 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:41,460 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:41,484 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:41,551 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:32:41,551 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 6 variables, input treesize:811, output treesize:573 [2018-11-18 12:32:41,676 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:41,691 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:41,700 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:41,710 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:41,717 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:41,726 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:41,734 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:41,743 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:41,756 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:41,761 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:41,762 INFO L303 Elim1Store]: Index analysis took 109 ms [2018-11-18 12:32:41,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 321 [2018-11-18 12:32:41,762 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:42,555 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:42,563 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:42,574 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:42,585 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:42,596 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:42,607 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:42,619 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:42,627 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:42,633 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:42,681 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:42,690 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:42,696 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:42,696 INFO L303 Elim1Store]: Index analysis took 164 ms [2018-11-18 12:32:42,697 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 20 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 2533 treesize of output 1601 [2018-11-18 12:32:43,613 WARN L180 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 118 [2018-11-18 12:32:43,630 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:43,650 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 195 [2018-11-18 12:32:43,650 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:44,075 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,080 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,083 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,088 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,091 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,096 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,102 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,149 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,154 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,159 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,165 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,170 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,172 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,178 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,183 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,188 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,195 INFO L303 Elim1Store]: Index analysis took 129 ms [2018-11-18 12:32:44,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 24 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 1821 treesize of output 1501 [2018-11-18 12:32:44,205 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 108 [2018-11-18 12:32:44,206 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:44,552 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,557 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,560 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,563 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,569 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,572 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,575 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,580 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,587 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,598 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,602 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,622 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,625 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,628 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,631 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,635 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,639 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,650 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,654 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,657 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,657 INFO L303 Elim1Store]: Index analysis took 112 ms [2018-11-18 12:32:44,658 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 26 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1748 treesize of output 1430 [2018-11-18 12:32:44,709 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:44,769 INFO L303 Elim1Store]: Index analysis took 107 ms [2018-11-18 12:32:44,816 INFO L477 Elim1Store]: Elim1 applied some 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 6 new quantified variables, introduced 12 case distinctions, treesize of input 260 treesize of output 1605 [2018-11-18 12:32:44,816 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-18 12:32:44,846 INFO L267 ElimStorePlain]: Start of recursive call 8: 82 dim-0 vars, End of recursive call: 82 dim-0 vars, and 43 xjuncts. [2018-11-18 12:32:45,512 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:45,700 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:45,895 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:46,117 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:46,122 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:46,126 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:46,129 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:46,131 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:46,157 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:32:46,173 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1895 treesize of output 1222 [2018-11-18 12:32:46,467 WARN L180 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 100 [2018-11-18 12:32:46,473 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:46,474 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 168 [2018-11-18 12:32:46,474 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:46,584 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:46,587 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:46,589 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:46,591 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:46,594 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:46,596 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:46,598 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:46,600 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:46,663 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 899 treesize of output 1043 [2018-11-18 12:32:46,668 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 39 [2018-11-18 12:32:46,668 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:46,775 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:32:46,776 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:46,778 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:46,781 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:46,783 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:46,785 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:46,786 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:46,788 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:46,790 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:46,792 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:46,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 802 treesize of output 936 [2018-11-18 12:32:46,842 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:46,842 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:32:46,843 INFO L477 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 46 treesize of output 98 [2018-11-18 12:32:46,843 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:46,929 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:46,990 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:47,045 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:47,144 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:47,146 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:47,147 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:47,153 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:47,155 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:47,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 300 treesize of output 381 [2018-11-18 12:32:47,161 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 134 [2018-11-18 12:32:47,162 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:47,187 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:47,188 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:47,190 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:47,192 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:47,193 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:47,194 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:47,197 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:47,200 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:47,205 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:47,207 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:47,208 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 540 [2018-11-18 12:32:47,212 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 182 [2018-11-18 12:32:47,212 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-18 12:32:47,237 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:47,247 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:32:47,327 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:32:47,327 INFO L202 ElimStorePlain]: Needed 18 recursive calls to eliminate 6 variables, input treesize:2545, output treesize:694 [2018-11-18 12:32:48,487 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:48,488 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:48,489 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:48,490 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:48,491 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:48,491 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:48,494 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:48,495 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:48,497 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:48,498 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:48,499 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:48,501 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:48,502 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:48,503 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:48,504 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:48,505 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:48,506 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:48,507 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:48,507 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:32:48,508 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 756 treesize of output 530 [2018-11-18 12:32:48,574 INFO L477 Elim1Store]: Elim1 applied some 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 8 new quantified variables, introduced 10 case distinctions, treesize of input 389 treesize of output 478 [2018-11-18 12:32:48,574 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2018-11-18 12:32:49,711 INFO L267 ElimStorePlain]: Start of recursive call 3: 3435 dim-0 vars, End of recursive call: 3435 dim-0 vars, and 917 xjuncts. [2018-11-18 12:33:13,075 INFO L477 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 346 treesize of output 299 [2018-11-18 12:33:13,076 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:33:13,125 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:33:13,126 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 314 treesize of output 250 [2018-11-18 12:33:13,127 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:13,173 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:13,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 134 [2018-11-18 12:33:13,176 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:33:13,216 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:13,218 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:13,218 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 46 [2018-11-18 12:33:13,218 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:13,253 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 12:33:13,302 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:13,311 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:13,312 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:13,314 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:13,315 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:13,316 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:13,326 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 199 treesize of output 173 [2018-11-18 12:33:13,329 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:13,331 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:33:13,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 90 [2018-11-18 12:33:13,332 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:13,370 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 17 [2018-11-18 12:33:13,370 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:13,390 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:13,399 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:33:13,399 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 26 [2018-11-18 12:33:13,399 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:13,417 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:13,418 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2018-11-18 12:33:13,418 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:13,431 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:13,433 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:33:13,434 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 38 [2018-11-18 12:33:13,434 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:13,443 INFO L267 ElimStorePlain]: Start of recursive call 8: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:13,460 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-11-18 12:33:13,461 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 4 variables, input treesize:777, output treesize:70 [2018-11-18 12:33:13,530 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:13,532 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:13,533 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:13,533 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:13,534 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:13,535 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:13,536 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:13,537 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:13,538 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:13,539 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:13,545 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:13,546 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:13,547 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 95 [2018-11-18 12:33:13,565 INFO L477 Elim1Store]: Elim1 applied some 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 14 treesize of output 37 [2018-11-18 12:33:13,566 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:13,597 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-18 12:33:13,598 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:13,613 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-18 12:33:13,614 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:13,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-18 12:33:13,627 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:13,638 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-18 12:33:13,638 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:13,650 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:13,664 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:13,664 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:59, output treesize:3 [2018-11-18 12:33:13,757 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:13,775 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:33:13,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17] total 28 [2018-11-18 12:33:13,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-11-18 12:33:13,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-11-18 12:33:13,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2018-11-18 12:33:13,776 INFO L87 Difference]: Start difference. First operand 213 states and 231 transitions. Second operand 28 states. [2018-11-18 12:33:15,053 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 97 [2018-11-18 12:33:16,184 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 111 [2018-11-18 12:33:16,619 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 104 [2018-11-18 12:33:17,675 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 119 [2018-11-18 12:33:18,071 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 121 [2018-11-18 12:33:18,370 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 126 [2018-11-18 12:33:18,662 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 125 [2018-11-18 12:33:18,997 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 127 [2018-11-18 12:33:19,388 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2018-11-18 12:33:19,685 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 168 [2018-11-18 12:33:21,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:33:21,796 INFO L93 Difference]: Finished difference Result 323 states and 352 transitions. [2018-11-18 12:33:21,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-11-18 12:33:21,799 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 56 [2018-11-18 12:33:21,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:33:21,800 INFO L225 Difference]: With dead ends: 323 [2018-11-18 12:33:21,801 INFO L226 Difference]: Without dead ends: 309 [2018-11-18 12:33:21,802 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 569 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=346, Invalid=2846, Unknown=0, NotChecked=0, Total=3192 [2018-11-18 12:33:21,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2018-11-18 12:33:21,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 227. [2018-11-18 12:33:21,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-11-18 12:33:21,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 247 transitions. [2018-11-18 12:33:21,843 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 247 transitions. Word has length 56 [2018-11-18 12:33:21,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:33:21,843 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 247 transitions. [2018-11-18 12:33:21,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-11-18 12:33:21,843 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 247 transitions. [2018-11-18 12:33:21,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 12:33:21,844 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:33:21,844 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 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, 1, 1, 1, 1] [2018-11-18 12:33:21,844 INFO L423 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:33:21,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:33:21,845 INFO L82 PathProgramCache]: Analyzing trace with hash 229793421, now seen corresponding path program 3 times [2018-11-18 12:33:21,845 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:33:21,845 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:33:21,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:33:21,846 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:33:21,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:33:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:22,759 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:22,760 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:33:22,760 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:33:22,766 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 12:33:22,921 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-11-18 12:33:22,922 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:33:22,925 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:33:22,927 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-11-18 12:33:22,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 12:33:22,930 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:22,935 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:22,942 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:33:22,942 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:23 [2018-11-18 12:33:22,990 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:22,992 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:22,993 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-18 12:33:22,993 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:23,032 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 51 [2018-11-18 12:33:23,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 8 treesize of output 7 [2018-11-18 12:33:23,054 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:23,076 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2018-11-18 12:33:23,079 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 8 treesize of output 7 [2018-11-18 12:33:23,079 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:23,103 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 33 treesize of output 35 [2018-11-18 12:33:23,106 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:23,109 INFO L477 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 14 treesize of output 47 [2018-11-18 12:33:23,109 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:23,120 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:23,131 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:23,140 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:23,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 74 [2018-11-18 12:33:23,198 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 12:33:23,198 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:23,222 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 57 treesize of output 72 [2018-11-18 12:33:23,224 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 12:33:23,224 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:23,237 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:23,240 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 63 [2018-11-18 12:33:23,243 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:23,245 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:33:23,245 INFO L477 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 18 treesize of output 46 [2018-11-18 12:33:23,245 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:23,257 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:23,265 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:23,273 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:23,293 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:23,293 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 4 variables, input treesize:203, output treesize:102 [2018-11-18 12:33:23,351 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:23,353 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:23,358 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:23,358 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 50 [2018-11-18 12:33:23,359 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:23,468 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:23,469 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 609 treesize of output 381 [2018-11-18 12:33:23,580 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2018-11-18 12:33:23,584 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:23,589 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 295 treesize of output 374 [2018-11-18 12:33:23,590 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:23,650 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:23,656 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:23,659 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:23,661 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 409 treesize of output 373 [2018-11-18 12:33:23,665 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 30 treesize of output 24 [2018-11-18 12:33:23,665 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:23,718 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:33:23,720 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:23,722 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:23,727 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:23,735 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:23,739 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:23,740 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 388 treesize of output 370 [2018-11-18 12:33:23,747 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:23,762 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 360 treesize of output 415 [2018-11-18 12:33:23,763 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 12:33:23,838 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:23,867 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:23,896 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:23,942 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:23,947 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:33:23,948 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 335 treesize of output 212 [2018-11-18 12:33:23,992 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:23,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 81 [2018-11-18 12:33:23,995 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:24,013 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:24,014 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:24,022 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 171 [2018-11-18 12:33:24,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2018-11-18 12:33:24,025 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:24,044 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:33:24,045 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:24,046 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:24,047 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:24,057 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 176 [2018-11-18 12:33:24,060 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:24,060 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 67 [2018-11-18 12:33:24,060 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:24,084 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:24,096 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:24,107 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:24,135 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:24,135 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 4 variables, input treesize:623, output treesize:220 [2018-11-18 12:33:24,198 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:24,204 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:24,210 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:24,216 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:24,223 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:24,228 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:24,228 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 61 [2018-11-18 12:33:24,229 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:24,471 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:24,478 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:24,486 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:24,492 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:24,500 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:24,505 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:24,535 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:24,536 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 797 treesize of output 640 [2018-11-18 12:33:24,905 WARN L180 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 87 [2018-11-18 12:33:24,919 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:24,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 71 [2018-11-18 12:33:24,938 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:25,158 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:25,163 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:25,168 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:25,206 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:25,209 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:25,212 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:25,216 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:25,225 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:25,226 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 609 treesize of output 586 [2018-11-18 12:33:25,231 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 28 [2018-11-18 12:33:25,232 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:25,486 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:25,488 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:25,490 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:25,493 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:25,498 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:25,500 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:25,526 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:25,531 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:25,534 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:25,537 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:25,545 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:25,554 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 595 [2018-11-18 12:33:25,581 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:25,623 INFO L477 Elim1Store]: Elim1 applied some 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 4 new quantified variables, introduced 7 case distinctions, treesize of input 52 treesize of output 413 [2018-11-18 12:33:25,625 INFO L267 ElimStorePlain]: Start of recursive call 8: 8 dim-0 vars, End of recursive call: 8 dim-0 vars, and 7 xjuncts. [2018-11-18 12:33:25,841 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:25,937 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:26,054 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:26,172 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:26,176 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:26,180 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:26,190 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:33:26,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 644 treesize of output 524 [2018-11-18 12:33:26,402 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 74 [2018-11-18 12:33:26,407 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:26,409 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:33:26,410 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 168 [2018-11-18 12:33:26,410 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:26,473 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:26,475 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:26,477 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:26,480 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:26,482 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:26,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 376 treesize of output 459 [2018-11-18 12:33:26,534 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2018-11-18 12:33:26,535 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:26,588 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:26,589 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:26,591 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:26,592 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:26,594 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:26,616 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 363 treesize of output 445 [2018-11-18 12:33:26,620 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:26,620 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:33:26,621 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 78 [2018-11-18 12:33:26,621 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:26,664 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:26,694 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:26,724 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:26,776 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 52 [2018-11-18 12:33:26,778 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 37 [2018-11-18 12:33:26,778 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:26,787 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:26,790 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:26,790 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 79 [2018-11-18 12:33:26,793 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2018-11-18 12:33:26,794 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:26,802 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:26,807 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:26,851 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:26,851 INFO L202 ElimStorePlain]: Needed 18 recursive calls to eliminate 6 variables, input treesize:815, output treesize:620 [2018-11-18 12:33:27,390 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:27,392 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:27,394 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:27,395 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:27,397 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:27,399 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:27,399 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:33:27,401 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:27,402 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:27,403 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:27,404 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:27,405 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:27,406 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:27,407 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:27,407 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 643 treesize of output 479 [2018-11-18 12:33:27,414 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:27,415 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:33:27,513 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 251 treesize of output 270 [2018-11-18 12:33:27,513 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-11-18 12:33:27,707 INFO L267 ElimStorePlain]: Start of recursive call 3: 366 dim-0 vars, End of recursive call: 366 dim-0 vars, and 137 xjuncts. [2018-11-18 12:33:28,654 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:33:28,655 INFO L477 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 0 case distinctions, treesize of input 246 treesize of output 214 [2018-11-18 12:33:28,655 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:28,687 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:28,688 INFO L477 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 165 treesize of output 149 [2018-11-18 12:33:28,689 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:33:28,716 INFO L477 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 159 treesize of output 137 [2018-11-18 12:33:28,716 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:33:28,740 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 12:33:28,765 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:28,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 115 [2018-11-18 12:33:28,774 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:28,776 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:33:28,777 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 73 [2018-11-18 12:33:28,777 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:28,801 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 53 [2018-11-18 12:33:28,802 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:28,814 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:28,814 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 31 [2018-11-18 12:33:28,815 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:28,825 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:28,825 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-18 12:33:28,825 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:28,832 INFO L267 ElimStorePlain]: Start of recursive call 7: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:28,844 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:33:28,844 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 3 variables, input treesize:643, output treesize:22 [2018-11-18 12:33:28,881 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:28,882 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:28,882 INFO L477 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 22 treesize of output 24 [2018-11-18 12:33:28,888 INFO L477 Elim1Store]: Elim1 applied some 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 10 treesize of output 15 [2018-11-18 12:33:28,888 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:28,894 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-18 12:33:28,895 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:28,899 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:28,905 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:28,905 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:22, output treesize:3 [2018-11-18 12:33:28,935 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:28,952 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:33:28,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 26 [2018-11-18 12:33:28,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-11-18 12:33:28,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-11-18 12:33:28,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=579, Unknown=0, NotChecked=0, Total=650 [2018-11-18 12:33:28,953 INFO L87 Difference]: Start difference. First operand 227 states and 247 transitions. Second operand 26 states. [2018-11-18 12:33:30,163 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2018-11-18 12:33:30,692 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-11-18 12:33:31,241 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 166 [2018-11-18 12:33:31,517 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 119 [2018-11-18 12:33:32,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:33:32,195 INFO L93 Difference]: Finished difference Result 364 states and 395 transitions. [2018-11-18 12:33:32,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-18 12:33:32,195 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 59 [2018-11-18 12:33:32,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:33:32,196 INFO L225 Difference]: With dead ends: 364 [2018-11-18 12:33:32,196 INFO L226 Difference]: Without dead ends: 362 [2018-11-18 12:33:32,197 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 428 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=210, Invalid=1682, Unknown=0, NotChecked=0, Total=1892 [2018-11-18 12:33:32,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2018-11-18 12:33:32,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 254. [2018-11-18 12:33:32,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-11-18 12:33:32,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 276 transitions. [2018-11-18 12:33:32,232 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 276 transitions. Word has length 59 [2018-11-18 12:33:32,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:33:32,232 INFO L480 AbstractCegarLoop]: Abstraction has 254 states and 276 transitions. [2018-11-18 12:33:32,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-11-18 12:33:32,232 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 276 transitions. [2018-11-18 12:33:32,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 12:33:32,233 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:33:32,233 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 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, 1] [2018-11-18 12:33:32,233 INFO L423 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:33:32,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:33:32,233 INFO L82 PathProgramCache]: Analyzing trace with hash 932400435, now seen corresponding path program 3 times [2018-11-18 12:33:32,233 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:33:32,234 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:33:32,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:33:32,234 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:33:32,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:33:32,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:32,497 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 25 [2018-11-18 12:33:32,982 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:32,982 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:33:32,982 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:33:32,995 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 12:33:33,232 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-11-18 12:33:33,233 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:33:33,236 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:33:33,238 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-11-18 12:33:33,241 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-18 12:33:33,241 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:33,249 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:33,260 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:33:33,260 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:23 [2018-11-18 12:33:33,299 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:33,304 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:33,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-18 12:33:33,305 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:33,349 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 51 [2018-11-18 12:33:33,372 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 12:33:33,373 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:33,405 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2018-11-18 12:33:33,407 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 12:33:33,407 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:33,422 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:33:33,435 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 33 treesize of output 63 [2018-11-18 12:33:33,438 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:33,440 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:33:33,441 INFO L477 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 42 treesize of output 114 [2018-11-18 12:33:33,441 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:33,461 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:33,470 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:33,479 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:33,508 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 93 [2018-11-18 12:33:33,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 8 treesize of output 7 [2018-11-18 12:33:33,560 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:33,574 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 64 [2018-11-18 12:33:33,576 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 8 treesize of output 7 [2018-11-18 12:33:33,576 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:33,600 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 59 treesize of output 61 [2018-11-18 12:33:33,603 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:33,604 INFO L477 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 14 treesize of output 23 [2018-11-18 12:33:33,605 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:33,616 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:33,626 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:33,635 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:33,653 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:33,653 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 4 variables, input treesize:203, output treesize:86 [2018-11-18 12:33:33,703 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:33,706 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:33,709 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:33,709 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 46 [2018-11-18 12:33:33,710 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:33,807 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 425 treesize of output 317 [2018-11-18 12:33:33,873 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:33,874 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:33:33,879 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 38 [2018-11-18 12:33:33,879 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:33,981 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 291 treesize of output 297 [2018-11-18 12:33:33,984 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-11-18 12:33:33,985 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:34,018 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:33:34,033 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 294 [2018-11-18 12:33:34,037 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:34,038 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:33:34,039 INFO L477 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 20 treesize of output 48 [2018-11-18 12:33:34,039 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:34,070 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:34,094 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:34,117 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:34,165 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:34,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 231 treesize of output 171 [2018-11-18 12:33:34,171 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:34,175 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 47 [2018-11-18 12:33:34,175 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:34,201 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:34,206 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:34,211 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 148 [2018-11-18 12:33:34,213 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 14 treesize of output 13 [2018-11-18 12:33:34,214 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:34,241 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:34,251 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:34,254 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 150 [2018-11-18 12:33:34,257 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:34,260 INFO L477 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 58 treesize of output 83 [2018-11-18 12:33:34,261 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:34,285 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:34,303 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:34,320 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:34,351 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:34,351 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 5 variables, input treesize:475, output treesize:209 [2018-11-18 12:33:34,434 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:34,447 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:34,457 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:34,472 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:34,484 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:34,485 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 37 [2018-11-18 12:33:34,485 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:34,745 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:34,790 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 529 treesize of output 485 [2018-11-18 12:33:34,802 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:34,816 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 71 [2018-11-18 12:33:34,816 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:34,955 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:35,038 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 449 treesize of output 463 [2018-11-18 12:33:35,043 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2018-11-18 12:33:35,044 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:35,164 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:33:35,166 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:35,234 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 426 treesize of output 460 [2018-11-18 12:33:35,248 INFO L477 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 28 treesize of output 35 [2018-11-18 12:33:35,248 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-18 12:33:35,351 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:33:35,580 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:33:35,772 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:33:36,034 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 406 treesize of output 384 [2018-11-18 12:33:36,038 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2018-11-18 12:33:36,038 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:36,093 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:36,099 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 102 [2018-11-18 12:33:36,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 75 [2018-11-18 12:33:36,103 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:36,113 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:36,154 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:36,166 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 422 treesize of output 400 [2018-11-18 12:33:36,171 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2018-11-18 12:33:36,171 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:36,231 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:36,241 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 102 [2018-11-18 12:33:36,245 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 75 [2018-11-18 12:33:36,245 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:36,256 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:36,302 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:36,452 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:36,456 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:36,466 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 461 treesize of output 340 [2018-11-18 12:33:36,598 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2018-11-18 12:33:36,603 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:36,606 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 75 [2018-11-18 12:33:36,606 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:36,653 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:36,659 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:36,666 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 234 treesize of output 251 [2018-11-18 12:33:36,669 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2018-11-18 12:33:36,669 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:36,711 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:36,721 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:36,727 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 223 treesize of output 248 [2018-11-18 12:33:36,731 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-11-18 12:33:36,731 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:36,774 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:36,798 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:36,830 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:33:36,834 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:36,836 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:36,847 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 477 treesize of output 356 [2018-11-18 12:33:36,987 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 77 [2018-11-18 12:33:36,991 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:36,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 97 [2018-11-18 12:33:36,996 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:37,045 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:37,046 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:37,054 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:37,060 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 269 treesize of output 294 [2018-11-18 12:33:37,064 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2018-11-18 12:33:37,064 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:37,115 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:37,125 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:37,133 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 244 treesize of output 269 [2018-11-18 12:33:37,143 INFO L477 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 16 treesize of output 23 [2018-11-18 12:33:37,143 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 2 xjuncts. [2018-11-18 12:33:37,198 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:33:37,281 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:33:37,365 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:33:37,467 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:33:37,467 INFO L202 ElimStorePlain]: Needed 28 recursive calls to eliminate 7 variables, input treesize:568, output treesize:726 [2018-11-18 12:33:37,609 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-11-18 12:33:38,176 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:38,186 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 537 treesize of output 336 [2018-11-18 12:33:38,189 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:38,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 63 [2018-11-18 12:33:38,191 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:33:38,227 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:38,230 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 213 [2018-11-18 12:33:38,230 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:38,265 INFO L477 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 207 treesize of output 177 [2018-11-18 12:33:38,265 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-11-18 12:33:38,313 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 220 treesize of output 191 [2018-11-18 12:33:38,314 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:38,317 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 194 [2018-11-18 12:33:38,317 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:38,381 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-11-18 12:33:38,476 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:38,478 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:38,479 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:38,483 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:38,485 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:38,486 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:38,487 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 118 [2018-11-18 12:33:38,517 INFO L477 Elim1Store]: Elim1 applied some 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 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 92 [2018-11-18 12:33:38,526 INFO L267 ElimStorePlain]: Start of recursive call 9: 39 dim-0 vars, End of recursive call: 39 dim-0 vars, and 15 xjuncts. [2018-11-18 12:33:38,813 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2018-11-18 12:33:38,813 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:39,073 INFO L477 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 66 treesize of output 58 [2018-11-18 12:33:39,073 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:39,080 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 66 [2018-11-18 12:33:39,081 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-11-18 12:33:39,084 INFO L477 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 52 treesize of output 46 [2018-11-18 12:33:39,084 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:39,086 INFO L477 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 64 treesize of output 58 [2018-11-18 12:33:39,087 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:39,091 INFO L477 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 48 treesize of output 42 [2018-11-18 12:33:39,091 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:39,094 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 56 [2018-11-18 12:33:39,094 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:39,096 INFO L477 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 60 treesize of output 52 [2018-11-18 12:33:39,096 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:39,098 INFO L477 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 52 treesize of output 44 [2018-11-18 12:33:39,098 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:39,106 INFO L477 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 64 treesize of output 64 [2018-11-18 12:33:39,106 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-11-18 12:33:39,108 INFO L477 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 40 treesize of output 34 [2018-11-18 12:33:39,108 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:39,116 INFO L477 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 52 treesize of output 52 [2018-11-18 12:33:39,116 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 2 xjuncts. [2018-11-18 12:33:39,119 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:39,121 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 64 [2018-11-18 12:33:39,121 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:39,129 INFO L477 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 68 treesize of output 68 [2018-11-18 12:33:39,129 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 2 xjuncts. [2018-11-18 12:33:39,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 58 [2018-11-18 12:33:39,132 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:39,139 INFO L477 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 1 case distinctions, treesize of input 68 treesize of output 68 [2018-11-18 12:33:39,140 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 2 xjuncts. [2018-11-18 12:33:39,415 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:39,421 INFO L477 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 53 [2018-11-18 12:33:39,422 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2018-11-18 12:33:39,425 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:39,435 INFO L477 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 59 [2018-11-18 12:33:39,436 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 2 xjuncts. [2018-11-18 12:33:39,440 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:39,446 INFO L477 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 61 [2018-11-18 12:33:39,446 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 2 xjuncts. [2018-11-18 12:33:39,450 INFO L477 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 53 treesize of output 37 [2018-11-18 12:33:39,450 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:39,452 INFO L477 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 61 treesize of output 45 [2018-11-18 12:33:39,452 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:39,453 INFO L477 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 51 treesize of output 35 [2018-11-18 12:33:39,454 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:39,455 INFO L477 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 51 treesize of output 35 [2018-11-18 12:33:39,455 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:39,463 INFO L477 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 59 treesize of output 43 [2018-11-18 12:33:39,464 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:39,488 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:39,489 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:39,491 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 59 [2018-11-18 12:33:39,491 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:39,494 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:39,501 INFO L477 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 63 [2018-11-18 12:33:39,501 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 2 xjuncts. [2018-11-18 12:33:39,503 INFO L477 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 61 treesize of output 45 [2018-11-18 12:33:39,504 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:39,513 INFO L477 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 61 treesize of output 45 [2018-11-18 12:33:39,514 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:39,517 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:39,527 INFO L477 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 63 [2018-11-18 12:33:39,528 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 2 xjuncts. [2018-11-18 12:33:39,530 INFO L477 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 55 treesize of output 39 [2018-11-18 12:33:39,530 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:39,533 INFO L477 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 47 treesize of output 31 [2018-11-18 12:33:39,533 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:39,845 INFO L267 ElimStorePlain]: Start of recursive call 8: 4 dim-1 vars, End of recursive call: 15 dim-0 vars, and 15 xjuncts. [2018-11-18 12:33:39,848 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:39,855 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:39,856 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 205 treesize of output 113 [2018-11-18 12:33:39,863 INFO L477 Elim1Store]: Elim1 applied some 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 36 treesize of output 47 [2018-11-18 12:33:39,863 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 12:33:39,889 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 69 [2018-11-18 12:33:39,890 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:39,932 INFO L477 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 58 treesize of output 44 [2018-11-18 12:33:39,933 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:33:39,948 INFO L477 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 37 treesize of output 18 [2018-11-18 12:33:39,948 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:39,974 INFO L267 ElimStorePlain]: Start of recursive call 41: 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:33:40,360 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:40,363 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:40,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 441 treesize of output 288 [2018-11-18 12:33:40,378 INFO L477 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 195 treesize of output 169 [2018-11-18 12:33:40,379 INFO L267 ElimStorePlain]: Start of recursive call 47: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-18 12:33:40,423 INFO L477 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 216 treesize of output 184 [2018-11-18 12:33:40,424 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:33:40,453 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 77 [2018-11-18 12:33:40,454 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:33:40,484 INFO L267 ElimStorePlain]: Start of recursive call 46: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 12:33:40,707 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 94 [2018-11-18 12:33:40,709 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-11-18 12:33:40,709 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:40,729 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:40,732 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 39 [2018-11-18 12:33:40,732 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:40,749 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-18 12:33:40,749 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-11-18 12:33:40,764 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:33:40,766 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 16 [2018-11-18 12:33:40,766 INFO L267 ElimStorePlain]: Start of recursive call 54: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:33:40,782 INFO L267 ElimStorePlain]: Start of recursive call 50: 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:33:40,982 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 4 dim-2 vars, End of recursive call: 34 dim-0 vars, and 17 xjuncts. [2018-11-18 12:33:40,982 INFO L202 ElimStorePlain]: Needed 54 recursive calls to eliminate 7 variables, input treesize:979, output treesize:437 [2018-11-18 12:34:05,137 WARN L180 SmtUtils]: Spent 24.06 s on a formula simplification. DAG size of input: 201 DAG size of output: 34 [2018-11-18 12:34:05,148 INFO L477 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 32 treesize of output 30 [2018-11-18 12:34:05,150 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-18 12:34:05,150 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:05,156 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-11-18 12:34:05,156 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:05,158 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:05,169 INFO L477 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 32 treesize of output 26 [2018-11-18 12:34:05,171 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-11-18 12:34:05,171 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:05,179 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-18 12:34:05,179 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:05,183 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:05,190 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:05,190 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 10 variables, input treesize:65, output treesize:3 [2018-11-18 12:34:05,265 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 11 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:34:05,285 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:34:05,285 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12] total 28 [2018-11-18 12:34:05,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-11-18 12:34:05,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-11-18 12:34:05,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2018-11-18 12:34:05,286 INFO L87 Difference]: Start difference. First operand 254 states and 276 transitions. Second operand 28 states. [2018-11-18 12:34:05,846 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2018-11-18 12:34:06,607 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2018-11-18 12:34:06,884 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2018-11-18 12:34:07,158 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 84 [2018-11-18 12:34:07,832 WARN L180 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 142 [2018-11-18 12:34:08,463 WARN L180 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 146 [2018-11-18 12:34:09,058 WARN L180 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 145 [2018-11-18 12:34:09,634 WARN L180 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 147 [2018-11-18 12:34:10,150 WARN L180 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 197 [2018-11-18 12:34:33,919 WARN L180 SmtUtils]: Spent 23.57 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2018-11-18 12:34:57,474 WARN L180 SmtUtils]: Spent 23.45 s on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2018-11-18 12:34:57,681 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-11-18 12:34:58,015 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2018-11-18 12:34:58,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:34:58,057 INFO L93 Difference]: Finished difference Result 363 states and 392 transitions. [2018-11-18 12:34:58,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-18 12:34:58,057 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 60 [2018-11-18 12:34:58,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:34:58,058 INFO L225 Difference]: With dead ends: 363 [2018-11-18 12:34:58,058 INFO L226 Difference]: Without dead ends: 349 [2018-11-18 12:34:58,059 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 76.6s TimeCoverageRelationStatistics Valid=267, Invalid=2385, Unknown=0, NotChecked=0, Total=2652 [2018-11-18 12:34:58,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2018-11-18 12:34:58,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 283. [2018-11-18 12:34:58,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2018-11-18 12:34:58,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 305 transitions. [2018-11-18 12:34:58,108 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 305 transitions. Word has length 60 [2018-11-18 12:34:58,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:34:58,108 INFO L480 AbstractCegarLoop]: Abstraction has 283 states and 305 transitions. [2018-11-18 12:34:58,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-11-18 12:34:58,109 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 305 transitions. [2018-11-18 12:34:58,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 12:34:58,109 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:34:58,109 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 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] [2018-11-18 12:34:58,110 INFO L423 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:34:58,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:58,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1096185675, now seen corresponding path program 4 times [2018-11-18 12:34:58,110 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:34:58,110 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:34:58,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:58,111 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:34:58,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:58,467 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2018-11-18 12:34:58,601 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:34:58,601 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:34:58,601 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:34:58,607 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-18 12:34:58,645 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-18 12:34:58,645 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:34:58,648 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:34:58,660 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:58,661 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 27 [2018-11-18 12:34:58,662 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2018-11-18 12:34:58,663 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:58,667 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:58,673 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:34:58,673 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:27 [2018-11-18 12:34:58,696 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:58,698 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:58,700 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:58,700 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 34 [2018-11-18 12:34:58,701 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:58,745 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 51 [2018-11-18 12:34:58,763 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 12:34:58,763 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:58,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2018-11-18 12:34:58,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 12:34:58,786 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:58,799 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:34:58,806 INFO L477 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 33 treesize of output 63 [2018-11-18 12:34:58,809 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:58,809 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:34:58,809 INFO L477 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 42 treesize of output 114 [2018-11-18 12:34:58,810 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:58,820 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:58,828 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:58,836 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:58,863 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 93 [2018-11-18 12:34:58,892 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-11-18 12:34:58,892 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:58,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 64 [2018-11-18 12:34:58,905 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-11-18 12:34:58,905 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:58,919 INFO L477 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 61 [2018-11-18 12:34:58,921 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:58,922 INFO L477 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 14 treesize of output 23 [2018-11-18 12:34:58,922 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:58,931 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:58,938 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:58,945 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:58,962 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:34:58,962 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 5 variables, input treesize:212, output treesize:99 [2018-11-18 12:34:59,002 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,005 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,007 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,011 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,011 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 71 [2018-11-18 12:34:59,012 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:59,113 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,114 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 450 treesize of output 350 [2018-11-18 12:34:59,208 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,211 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 47 [2018-11-18 12:34:59,211 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:59,254 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,258 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,260 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,262 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 310 treesize of output 326 [2018-11-18 12:34:59,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2018-11-18 12:34:59,265 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:59,303 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,304 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,306 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,314 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,315 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,318 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 289 treesize of output 323 [2018-11-18 12:34:59,323 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,334 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 82 treesize of output 239 [2018-11-18 12:34:59,334 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 12:34:59,389 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:59,414 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:59,438 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:59,485 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,489 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:34:59,489 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 302 treesize of output 251 [2018-11-18 12:34:59,533 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,534 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:34:59,534 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 104 [2018-11-18 12:34:59,534 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:59,550 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,551 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 202 [2018-11-18 12:34:59,559 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2018-11-18 12:34:59,559 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:59,576 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,577 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,584 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 199 [2018-11-18 12:34:59,586 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,586 INFO L477 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 26 treesize of output 51 [2018-11-18 12:34:59,587 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:59,602 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:59,613 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:59,623 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:59,652 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:34:59,652 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 5 variables, input treesize:480, output treesize:253 [2018-11-18 12:34:59,794 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,797 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,799 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,803 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,806 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,809 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,812 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,813 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 100 [2018-11-18 12:34:59,813 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:59,980 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,982 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,985 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,987 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:59,990 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,000 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,000 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 11 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 738 treesize of output 593 [2018-11-18 12:35:00,146 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 79 [2018-11-18 12:35:00,151 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 71 [2018-11-18 12:35:00,158 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:00,228 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,230 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,238 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,239 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,240 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,242 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,243 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,246 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 562 treesize of output 547 [2018-11-18 12:35:00,250 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 28 [2018-11-18 12:35:00,250 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:00,323 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,324 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,325 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,327 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,328 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,335 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,336 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,338 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,340 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,341 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 545 treesize of output 556 [2018-11-18 12:35:00,353 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,382 INFO L477 Elim1Store]: Elim1 applied some 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 4 new quantified variables, introduced 7 case distinctions, treesize of input 52 treesize of output 437 [2018-11-18 12:35:00,390 INFO L267 ElimStorePlain]: Start of recursive call 8: 32 dim-0 vars, End of recursive call: 32 dim-0 vars, and 27 xjuncts. [2018-11-18 12:35:00,527 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:00,563 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:00,599 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:00,667 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,669 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,672 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:00,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 563 treesize of output 428 [2018-11-18 12:35:00,752 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,752 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:00,753 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 156 [2018-11-18 12:35:00,753 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:00,777 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,778 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,778 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,779 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,792 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 291 treesize of output 350 [2018-11-18 12:35:00,794 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2018-11-18 12:35:00,794 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:00,823 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,824 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,825 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,826 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,827 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,828 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 270 treesize of output 337 [2018-11-18 12:35:00,840 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:00,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 67 [2018-11-18 12:35:00,841 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:00,865 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:00,882 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:00,897 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:00,940 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:35:00,940 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 6 variables, input treesize:761, output treesize:411 [2018-11-18 12:35:01,017 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,020 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,024 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,027 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,031 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,034 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,037 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,041 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,044 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,047 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,048 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 141 [2018-11-18 12:35:01,048 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:01,201 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,202 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,203 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,206 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,208 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,211 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,214 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,220 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,223 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,225 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,227 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,229 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,230 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,231 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 21 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1029 treesize of output 878 [2018-11-18 12:35:01,474 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 94 [2018-11-18 12:35:01,479 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,486 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 604 treesize of output 585 [2018-11-18 12:35:01,487 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:01,585 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,587 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,588 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,591 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,592 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,594 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,596 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,608 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,610 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,612 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,613 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,615 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,617 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,618 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,620 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,622 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,625 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 22 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 772 treesize of output 798 [2018-11-18 12:35:01,629 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 36 [2018-11-18 12:35:01,629 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:01,750 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:01,751 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,752 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,754 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,755 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,757 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,758 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,760 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,762 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,763 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,765 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,767 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,770 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,775 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,777 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,778 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,779 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,780 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,782 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,784 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,785 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,789 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,789 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 26 disjoint index pairs (out of 15 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 759 treesize of output 797 [2018-11-18 12:35:01,806 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:01,850 INFO L477 Elim1Store]: Elim1 applied some 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 6 new quantified variables, introduced 12 case distinctions, treesize of input 67 treesize of output 692 [2018-11-18 12:35:01,851 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-18 12:35:01,872 INFO L267 ElimStorePlain]: Start of recursive call 8: 82 dim-0 vars, End of recursive call: 82 dim-0 vars, and 43 xjuncts. [2018-11-18 12:35:02,146 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:02,201 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:02,257 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:35:02,328 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:02,329 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:02,330 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:02,331 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:02,333 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:02,334 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:02,338 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:02,346 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 772 treesize of output 625 [2018-11-18 12:35:02,450 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 74 [2018-11-18 12:35:02,453 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:02,453 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:02,454 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 204 [2018-11-18 12:35:02,454 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:02,491 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:02,492 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:02,493 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:02,494 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:02,495 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:02,496 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:02,497 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:02,498 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:02,499 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:02,519 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 420 treesize of output 523 [2018-11-18 12:35:02,521 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 39 [2018-11-18 12:35:02,521 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:02,562 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:02,563 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:02,564 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:02,565 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:02,566 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:02,566 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:02,567 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:02,568 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:02,569 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:02,587 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 395 treesize of output 533 [2018-11-18 12:35:02,590 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:02,590 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:02,590 INFO L477 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 46 treesize of output 102 [2018-11-18 12:35:02,590 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:02,630 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:02,651 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:02,673 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:02,720 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:35:02,720 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 6 variables, input treesize:1041, output treesize:506 [2018-11-18 12:35:03,037 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-11-18 12:35:03,040 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-11-18 12:35:03,040 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:03,042 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:03,078 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 12:35:03,078 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:485, output treesize:470 [2018-11-18 12:35:03,467 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,468 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,469 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,470 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,471 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,472 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,472 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,473 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,474 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,475 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,475 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,476 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:03,476 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,488 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 590 treesize of output 499 [2018-11-18 12:35:03,491 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,491 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:03,492 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 46 [2018-11-18 12:35:03,492 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:03,530 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,531 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:03,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 34 [2018-11-18 12:35:03,531 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:03,548 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,549 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:03,549 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 68 [2018-11-18 12:35:03,549 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:03,563 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,563 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-11-18 12:35:03,564 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:03,574 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 75 [2018-11-18 12:35:03,574 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:03,587 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:03,605 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 12:35:03,606 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:667, output treesize:140 [2018-11-18 12:35:03,745 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,746 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,746 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,747 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,748 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,749 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,750 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,750 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,751 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,752 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:03,752 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,753 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,754 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,755 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,755 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,756 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,756 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:03,757 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,758 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,759 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,759 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,760 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,761 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,763 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,763 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,764 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,765 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:03,766 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 23 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 217 [2018-11-18 12:35:03,807 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 30 treesize of output 119 [2018-11-18 12:35:03,807 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2018-11-18 12:35:04,500 INFO L267 ElimStorePlain]: Start of recursive call 3: 3420 dim-0 vars, End of recursive call: 3420 dim-0 vars, and 909 xjuncts. [2018-11-18 12:35:16,755 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 36 [2018-11-18 12:35:16,755 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:16,770 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 31 [2018-11-18 12:35:16,770 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:16,779 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 13 [2018-11-18 12:35:16,779 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:16,786 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:16,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2018-11-18 12:35:16,786 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:16,790 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:16,793 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:16,793 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:162, output treesize:4 [2018-11-18 12:35:16,840 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:35:16,856 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:35:16,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 19] total 30 [2018-11-18 12:35:16,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-11-18 12:35:16,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-11-18 12:35:16,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=790, Unknown=0, NotChecked=0, Total=870 [2018-11-18 12:35:16,857 INFO L87 Difference]: Start difference. First operand 283 states and 305 transitions. Second operand 30 states. [2018-11-18 12:35:18,304 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-11-18 12:35:18,305 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:139) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:102) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.pop(ManagedScript.java:131) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPostcondition(IncrementalHoareTripleChecker.java:651) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:255) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:270) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.ProtectiveHoareTripleChecker.releaseLock(ProtectiveHoareTripleChecker.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.EfficientHoareTripleChecker.releaseLock(EfficientHoareTripleChecker.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:202) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:688) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:601) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:472) 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:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.io.IOException: Stream closed at java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:433) at java.io.OutputStream.write(OutputStream.java:116) at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) at sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:297) at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:141) at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:229) at java.io.BufferedWriter.flush(BufferedWriter.java:254) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:120) ... 28 more [2018-11-18 12:35:18,308 INFO L168 Benchmark]: Toolchain (without parser) took 608962.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.2 MB). Free memory was 951.7 MB in the beginning and 873.0 MB in the end (delta: 78.7 MB). Peak memory consumption was 278.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:35:18,309 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:35:18,309 INFO L168 Benchmark]: CACSL2BoogieTranslator took 433.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:35:18,309 INFO L168 Benchmark]: Boogie Preprocessor took 46.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:35:18,309 INFO L168 Benchmark]: RCFGBuilder took 545.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.2 MB). Peak memory consumption was 58.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:35:18,309 INFO L168 Benchmark]: TraceAbstraction took 607933.15 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 53.5 MB). Free memory was 1.1 GB in the beginning and 873.0 MB in the end (delta: 197.2 MB). Peak memory consumption was 250.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:35:18,311 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 433.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 545.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.2 MB). Peak memory consumption was 58.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 607933.15 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 53.5 MB). Free memory was 1.1 GB in the beginning and 873.0 MB in the end (delta: 197.2 MB). Peak memory consumption was 250.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 12:35:19,517 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:35:19,518 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:35:19,527 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:35:19,527 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:35:19,528 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:35:19,529 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:35:19,530 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:35:19,531 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:35:19,532 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:35:19,532 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:35:19,533 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:35:19,533 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:35:19,534 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:35:19,535 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:35:19,535 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:35:19,537 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:35:19,538 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:35:19,539 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:35:19,541 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:35:19,542 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:35:19,542 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:35:19,544 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:35:19,545 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:35:19,545 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:35:19,545 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:35:19,546 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:35:19,547 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:35:19,547 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:35:19,549 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:35:19,549 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:35:19,549 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:35:19,549 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:35:19,550 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:35:19,550 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:35:19,551 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:35:19,551 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 12:35:19,562 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:35:19,562 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:35:19,562 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:35:19,563 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:35:19,563 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:35:19,563 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:35:19,564 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:35:19,564 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:35:19,564 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:35:19,564 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:35:19,565 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:35:19,565 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:35:19,565 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:35:19,565 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:35:19,565 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 12:35:19,565 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 12:35:19,565 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:35:19,565 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:35:19,566 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:35:19,566 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:35:19,566 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:35:19,566 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:35:19,566 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:35:19,566 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:35:19,566 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:35:19,567 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:35:19,567 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:35:19,567 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:35:19,567 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 12:35:19,567 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:35:19,567 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 12:35:19,567 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 12:35:19,568 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_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e0675069af96ce2b947856aad4bf6a2d556158b [2018-11-18 12:35:19,598 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:35:19,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:35:19,610 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:35:19,611 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:35:19,612 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:35:19,612 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/../../sv-benchmarks/c/forester-heap/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-11-18 12:35:19,657 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/data/9ce971a2f/ab07ec12e96745a689ad672f7b0f0ed8/FLAG23d009bf8 [2018-11-18 12:35:20,009 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:35:20,009 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/sv-benchmarks/c/forester-heap/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-11-18 12:35:20,016 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/data/9ce971a2f/ab07ec12e96745a689ad672f7b0f0ed8/FLAG23d009bf8 [2018-11-18 12:35:20,024 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/data/9ce971a2f/ab07ec12e96745a689ad672f7b0f0ed8 [2018-11-18 12:35:20,027 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:35:20,028 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 12:35:20,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:35:20,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:35:20,030 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:35:20,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:35:20" (1/1) ... [2018-11-18 12:35:20,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34424e09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:20, skipping insertion in model container [2018-11-18 12:35:20,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:35:20" (1/1) ... [2018-11-18 12:35:20,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:35:20,071 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:35:20,288 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:35:20,299 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:35:20,341 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:35:20,424 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:35:20,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:20 WrapperNode [2018-11-18 12:35:20,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:35:20,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:35:20,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:35:20,425 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:35:20,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:20" (1/1) ... [2018-11-18 12:35:20,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:20" (1/1) ... [2018-11-18 12:35:20,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:20" (1/1) ... [2018-11-18 12:35:20,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:20" (1/1) ... [2018-11-18 12:35:20,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:20" (1/1) ... [2018-11-18 12:35:20,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:20" (1/1) ... [2018-11-18 12:35:20,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:20" (1/1) ... [2018-11-18 12:35:20,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:35:20,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:35:20,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:35:20,468 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:35:20,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/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 [2018-11-18 12:35:20,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:35:20,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:35:20,513 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:35:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-18 12:35:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-18 12:35:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-18 12:35:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-18 12:35:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-18 12:35:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-18 12:35:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-18 12:35:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-18 12:35:20,514 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-18 12:35:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-18 12:35:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-18 12:35:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-18 12:35:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-18 12:35:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-18 12:35:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-18 12:35:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-18 12:35:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-18 12:35:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-18 12:35:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-18 12:35:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-18 12:35:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-18 12:35:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-18 12:35:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-18 12:35:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-18 12:35:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-18 12:35:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-18 12:35:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-18 12:35:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-18 12:35:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-18 12:35:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-18 12:35:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-18 12:35:20,516 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-18 12:35:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-18 12:35:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-18 12:35:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-18 12:35:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-18 12:35:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-18 12:35:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-18 12:35:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-18 12:35:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-18 12:35:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-18 12:35:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-18 12:35:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-18 12:35:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-18 12:35:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-18 12:35:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-18 12:35:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-18 12:35:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-18 12:35:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-18 12:35:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-18 12:35:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 12:35:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-18 12:35:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-18 12:35:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 12:35:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-18 12:35:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-18 12:35:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-18 12:35:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-18 12:35:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-11-18 12:35:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-18 12:35:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-18 12:35:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-11-18 12:35:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-18 12:35:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 12:35:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2018-11-18 12:35:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-18 12:35:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-18 12:35:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-18 12:35:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-18 12:35:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-18 12:35:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-18 12:35:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-18 12:35:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-18 12:35:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-18 12:35:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-18 12:35:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-18 12:35:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-18 12:35:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-18 12:35:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-18 12:35:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-18 12:35:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-18 12:35:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-18 12:35:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-18 12:35:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-18 12:35:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-18 12:35:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-18 12:35:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-18 12:35:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-18 12:35:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-18 12:35:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-18 12:35:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-18 12:35:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-18 12:35:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-18 12:35:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-18 12:35:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-18 12:35:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-18 12:35:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-18 12:35:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-18 12:35:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-18 12:35:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-18 12:35:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-18 12:35:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-18 12:35:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-18 12:35:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 12:35:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 12:35:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:35:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:35:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 12:35:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 12:35:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 12:35:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 12:35:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 12:35:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:35:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:35:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 12:35:20,945 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:35:20,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:35:20 BoogieIcfgContainer [2018-11-18 12:35:20,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:35:20,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:35:20,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:35:20,949 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:35:20,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:35:20" (1/3) ... [2018-11-18 12:35:20,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@751c7cbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:35:20, skipping insertion in model container [2018-11-18 12:35:20,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:20" (2/3) ... [2018-11-18 12:35:20,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@751c7cbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:35:20, skipping insertion in model container [2018-11-18 12:35:20,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:35:20" (3/3) ... [2018-11-18 12:35:20,952 INFO L112 eAbstractionObserver]: Analyzing ICFG dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-11-18 12:35:20,960 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:35:20,969 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-11-18 12:35:20,981 INFO L257 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2018-11-18 12:35:21,005 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:35:21,006 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:35:21,006 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:35:21,006 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:35:21,006 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:35:21,006 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:35:21,007 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:35:21,007 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:35:21,007 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:35:21,018 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2018-11-18 12:35:21,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 12:35:21,023 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:35:21,023 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:35:21,025 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:35:21,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:21,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1139058233, now seen corresponding path program 1 times [2018-11-18 12:35:21,032 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:35:21,032 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/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 [2018-11-18 12:35:21,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:21,090 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:35:21,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:35:21,100 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:35:21,105 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:35:21,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:35:21,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:35:21,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:35:21,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:35:21,121 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2018-11-18 12:35:21,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:35:21,138 INFO L93 Difference]: Finished difference Result 108 states and 166 transitions. [2018-11-18 12:35:21,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:35:21,139 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-11-18 12:35:21,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:35:21,147 INFO L225 Difference]: With dead ends: 108 [2018-11-18 12:35:21,147 INFO L226 Difference]: Without dead ends: 49 [2018-11-18 12:35:21,149 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:35:21,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-11-18 12:35:21,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-11-18 12:35:21,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-11-18 12:35:21,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 52 transitions. [2018-11-18 12:35:21,177 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 52 transitions. Word has length 11 [2018-11-18 12:35:21,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:35:21,177 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 52 transitions. [2018-11-18 12:35:21,177 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:35:21,178 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2018-11-18 12:35:21,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 12:35:21,178 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:35:21,178 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:35:21,178 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:35:21,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:21,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1145447806, now seen corresponding path program 1 times [2018-11-18 12:35:21,179 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:35:21,179 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/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 [2018-11-18 12:35:21,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:21,207 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:35:21,239 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-18 12:35:21,240 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:21,248 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:21,248 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:8, output treesize:4 [2018-11-18 12:35:21,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:35:21,261 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:35:21,262 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:35:21,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:35:21,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 12:35:21,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 12:35:21,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:35:21,264 INFO L87 Difference]: Start difference. First operand 49 states and 52 transitions. Second operand 4 states. [2018-11-18 12:35:22,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:35:22,485 INFO L93 Difference]: Finished difference Result 56 states and 61 transitions. [2018-11-18 12:35:22,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 12:35:22,485 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-11-18 12:35:22,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:35:22,486 INFO L225 Difference]: With dead ends: 56 [2018-11-18 12:35:22,486 INFO L226 Difference]: Without dead ends: 54 [2018-11-18 12:35:22,487 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:35:22,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-11-18 12:35:22,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 47. [2018-11-18 12:35:22,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-11-18 12:35:22,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 50 transitions. [2018-11-18 12:35:22,492 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 50 transitions. Word has length 12 [2018-11-18 12:35:22,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:35:22,492 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 50 transitions. [2018-11-18 12:35:22,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 12:35:22,493 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2018-11-18 12:35:22,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 12:35:22,493 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:35:22,493 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:35:22,494 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:35:22,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:22,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1145509372, now seen corresponding path program 1 times [2018-11-18 12:35:22,494 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:35:22,494 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/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 [2018-11-18 12:35:22,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:22,553 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:35:22,567 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2018-11-18 12:35:22,576 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 12:35:22,577 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:22,626 INFO L477 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 3 case distinctions, treesize of input 23 treesize of output 35 [2018-11-18 12:35:22,633 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-11-18 12:35:22,633 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:22,676 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:22,690 INFO L477 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 21 treesize of output 34 [2018-11-18 12:35:22,691 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-11-18 12:35:22,722 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:35:22,767 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:35:22,797 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-11-18 12:35:22,800 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:33, output treesize:29 [2018-11-18 12:35:22,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-11-18 12:35:22,825 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-11-18 12:35:22,825 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:22,827 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:22,829 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:22,829 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2018-11-18 12:35:22,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:35:22,834 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:35:22,848 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:35:22,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:35:22,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 12:35:22,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 12:35:22,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:35:22,849 INFO L87 Difference]: Start difference. First operand 47 states and 50 transitions. Second operand 4 states. [2018-11-18 12:35:23,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:35:23,038 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2018-11-18 12:35:23,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 12:35:23,038 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-11-18 12:35:23,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:35:23,039 INFO L225 Difference]: With dead ends: 47 [2018-11-18 12:35:23,039 INFO L226 Difference]: Without dead ends: 45 [2018-11-18 12:35:23,040 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:35:23,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-11-18 12:35:23,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-11-18 12:35:23,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-11-18 12:35:23,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 48 transitions. [2018-11-18 12:35:23,044 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 48 transitions. Word has length 12 [2018-11-18 12:35:23,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:35:23,045 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 48 transitions. [2018-11-18 12:35:23,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 12:35:23,045 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2018-11-18 12:35:23,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 12:35:23,045 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:35:23,045 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:35:23,046 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:35:23,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:23,046 INFO L82 PathProgramCache]: Analyzing trace with hash -516417822, now seen corresponding path program 1 times [2018-11-18 12:35:23,046 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:35:23,047 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/cvc4nyu Starting monitored process 5 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 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:35:23,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:23,089 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:35:23,104 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2018-11-18 12:35:23,109 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 12:35:23,109 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:23,152 INFO L477 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 3 case distinctions, treesize of input 23 treesize of output 35 [2018-11-18 12:35:23,157 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-11-18 12:35:23,158 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:23,186 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:23,193 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:23,203 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 12:35:23,203 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:37, output treesize:22 [2018-11-18 12:35:23,232 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-18 12:35:23,234 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-18 12:35:23,234 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:23,236 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:23,237 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:23,237 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-11-18 12:35:23,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:35:23,244 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:35:23,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:35:23,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:35:23,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:35:23,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:35:23,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:35:23,249 INFO L87 Difference]: Start difference. First operand 45 states and 48 transitions. Second operand 5 states. [2018-11-18 12:35:23,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:35:23,640 INFO L93 Difference]: Finished difference Result 91 states and 99 transitions. [2018-11-18 12:35:23,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 12:35:23,640 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-11-18 12:35:23,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:35:23,641 INFO L225 Difference]: With dead ends: 91 [2018-11-18 12:35:23,641 INFO L226 Difference]: Without dead ends: 89 [2018-11-18 12:35:23,642 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:35:23,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-11-18 12:35:23,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 63. [2018-11-18 12:35:23,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-11-18 12:35:23,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 70 transitions. [2018-11-18 12:35:23,648 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 70 transitions. Word has length 15 [2018-11-18 12:35:23,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:35:23,649 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 70 transitions. [2018-11-18 12:35:23,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:35:23,649 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2018-11-18 12:35:23,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 12:35:23,649 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:35:23,650 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:35:23,650 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:35:23,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:23,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1944375202, now seen corresponding path program 1 times [2018-11-18 12:35:23,650 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:35:23,650 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/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 [2018-11-18 12:35:23,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:23,699 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:35:23,782 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 40 [2018-11-18 12:35:23,800 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 12:35:23,800 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:24,101 INFO L477 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 39 treesize of output 44 [2018-11-18 12:35:24,118 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 32 [2018-11-18 12:35:24,118 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:25,130 INFO L477 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 30 treesize of output 37 [2018-11-18 12:35:25,131 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-11-18 12:35:27,201 INFO L477 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 3 case distinctions, treesize of input 29 treesize of output 41 [2018-11-18 12:35:27,210 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2018-11-18 12:35:27,211 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:27,583 INFO L477 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 27 treesize of output 34 [2018-11-18 12:35:27,584 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-11-18 12:35:27,865 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:35:27,958 INFO L477 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 3 case distinctions, treesize of input 31 treesize of output 41 [2018-11-18 12:35:27,968 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2018-11-18 12:35:27,969 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:28,335 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:28,358 INFO L303 Elim1Store]: Index analysis took 128 ms [2018-11-18 12:35:28,500 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 46 [2018-11-18 12:35:28,501 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 4 xjuncts. [2018-11-18 12:35:29,020 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 12:35:30,506 INFO L303 Elim1Store]: Index analysis took 170 ms [2018-11-18 12:35:30,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 28 treesize of output 55 [2018-11-18 12:35:30,571 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 32 [2018-11-18 12:35:30,572 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:31,159 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:31,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 46 [2018-11-18 12:35:31,306 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 4 xjuncts. [2018-11-18 12:35:33,179 INFO L477 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 30 treesize of output 37 [2018-11-18 12:35:33,180 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2018-11-18 12:35:34,957 INFO L477 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 30 treesize of output 47 [2018-11-18 12:35:34,958 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2018-11-18 12:35:35,730 INFO L267 ElimStorePlain]: Start of recursive call 13: 4 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-18 12:35:36,624 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-11-18 12:35:37,040 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-11-18 12:35:37,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 40 [2018-11-18 12:35:37,457 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 12:35:37,457 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:37,596 INFO L477 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 39 treesize of output 44 [2018-11-18 12:35:37,604 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 33 treesize of output 32 [2018-11-18 12:35:37,604 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:37,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 31 [2018-11-18 12:35:37,822 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:38,120 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 56 [2018-11-18 12:35:38,150 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:38,275 INFO L477 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 0 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 43 [2018-11-18 12:35:38,275 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 4 xjuncts. [2018-11-18 12:35:38,812 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2018-11-18 12:35:38,813 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:39,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 44 [2018-11-18 12:35:39,394 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 4 xjuncts. [2018-11-18 12:35:39,612 INFO L267 ElimStorePlain]: Start of recursive call 23: 3 dim-1 vars, End of recursive call: and 8 xjuncts. [2018-11-18 12:35:40,632 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 28 treesize of output 55 [2018-11-18 12:35:40,705 INFO L477 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 30 treesize of output 37 [2018-11-18 12:35:40,705 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 2 xjuncts. [2018-11-18 12:35:41,035 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:41,143 INFO L477 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 0 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 43 [2018-11-18 12:35:41,143 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 4 xjuncts. [2018-11-18 12:35:41,507 INFO L477 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 26 treesize of output 31 [2018-11-18 12:35:41,508 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 2 xjuncts. [2018-11-18 12:35:41,703 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2018-11-18 12:35:41,703 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:41,845 INFO L267 ElimStorePlain]: Start of recursive call 27: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-18 12:35:42,023 INFO L267 ElimStorePlain]: Start of recursive call 20: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-18 12:35:42,230 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-18 12:35:42,469 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 16 dim-0 vars, and 18 xjuncts. [2018-11-18 12:35:42,470 INFO L202 ElimStorePlain]: Needed 31 recursive calls to eliminate 6 variables, input treesize:130, output treesize:694 [2018-11-18 12:35:42,634 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 15 [2018-11-18 12:35:42,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-18 12:35:42,639 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-18 12:35:42,639 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:42,641 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:42,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-18 12:35:42,652 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-18 12:35:42,653 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:42,654 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:42,659 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:42,659 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:32, output treesize:10 [2018-11-18 12:35:42,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:35:42,668 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:35:42,672 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:35:42,672 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:35:42,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:35:42,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:35:42,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:35:42,673 INFO L87 Difference]: Start difference. First operand 63 states and 70 transitions. Second operand 5 states. [2018-11-18 12:35:43,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:35:43,236 INFO L93 Difference]: Finished difference Result 63 states and 70 transitions. [2018-11-18 12:35:43,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 12:35:43,236 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-11-18 12:35:43,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:35:43,237 INFO L225 Difference]: With dead ends: 63 [2018-11-18 12:35:43,237 INFO L226 Difference]: Without dead ends: 61 [2018-11-18 12:35:43,237 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:35:43,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-11-18 12:35:43,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-11-18 12:35:43,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-11-18 12:35:43,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 67 transitions. [2018-11-18 12:35:43,241 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 67 transitions. Word has length 15 [2018-11-18 12:35:43,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:35:43,241 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 67 transitions. [2018-11-18 12:35:43,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:35:43,241 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 67 transitions. [2018-11-18 12:35:43,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:35:43,241 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:35:43,242 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:35:43,242 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:35:43,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:43,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1338317065, now seen corresponding path program 1 times [2018-11-18 12:35:43,242 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:35:43,242 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/cvc4nyu Starting monitored process 7 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 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:35:43,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:43,304 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:35:43,313 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:43,314 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 27 [2018-11-18 12:35:43,317 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-11-18 12:35:43,317 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:43,330 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:43,344 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:43,345 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:18, output treesize:15 [2018-11-18 12:35:43,360 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:43,362 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:43,364 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:43,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 34 [2018-11-18 12:35:43,365 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:43,385 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 26 [2018-11-18 12:35:43,424 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 8 treesize of output 7 [2018-11-18 12:35:43,425 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:43,433 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15 treesize of output 11 [2018-11-18 12:35:43,436 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-18 12:35:43,436 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:43,438 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:43,440 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:43,454 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 12:35:43,454 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:59, output treesize:29 [2018-11-18 12:35:43,485 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:43,489 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:43,494 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:43,495 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:43,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 25 [2018-11-18 12:35:43,496 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:43,584 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 57 [2018-11-18 12:35:43,672 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2018-11-18 12:35:43,672 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:43,712 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2018-11-18 12:35:43,717 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2018-11-18 12:35:43,718 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:43,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2018-11-18 12:35:43,808 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 23 [2018-11-18 12:35:43,809 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-18 12:35:43,853 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:35:43,897 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:35:43,961 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:35:44,058 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-11-18 12:35:44,058 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:132, output treesize:98 [2018-11-18 12:35:44,099 INFO L477 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 28 [2018-11-18 12:35:44,103 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-18 12:35:44,104 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:44,117 INFO L477 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 18 treesize of output 9 [2018-11-18 12:35:44,117 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:44,123 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:44,133 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:44,133 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:46, output treesize:8 [2018-11-18 12:35:44,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:35:44,152 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:35:44,158 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:35:44,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:35:44,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:35:44,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:35:44,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:35:44,159 INFO L87 Difference]: Start difference. First operand 61 states and 67 transitions. Second operand 7 states. [2018-11-18 12:35:44,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:35:44,932 INFO L93 Difference]: Finished difference Result 64 states and 71 transitions. [2018-11-18 12:35:44,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 12:35:44,932 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-11-18 12:35:44,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:35:44,933 INFO L225 Difference]: With dead ends: 64 [2018-11-18 12:35:44,933 INFO L226 Difference]: Without dead ends: 62 [2018-11-18 12:35:44,933 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:35:44,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-11-18 12:35:44,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 59. [2018-11-18 12:35:44,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-11-18 12:35:44,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 64 transitions. [2018-11-18 12:35:44,938 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 64 transitions. Word has length 18 [2018-11-18 12:35:44,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:35:44,938 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 64 transitions. [2018-11-18 12:35:44,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:35:44,938 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 64 transitions. [2018-11-18 12:35:44,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:35:44,939 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:35:44,939 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:35:44,939 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:35:44,939 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:44,939 INFO L82 PathProgramCache]: Analyzing trace with hash 2064999472, now seen corresponding path program 1 times [2018-11-18 12:35:44,940 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:35:44,940 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/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 [2018-11-18 12:35:44,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:44,976 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:35:44,997 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-11-18 12:35:44,999 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-11-18 12:35:44,999 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:45,000 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:45,001 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:45,002 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2018-11-18 12:35:45,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:35:45,009 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:35:45,010 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:35:45,010 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:35:45,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:35:45,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:35:45,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:35:45,011 INFO L87 Difference]: Start difference. First operand 59 states and 64 transitions. Second operand 5 states. [2018-11-18 12:35:45,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:35:45,559 INFO L93 Difference]: Finished difference Result 77 states and 84 transitions. [2018-11-18 12:35:45,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 12:35:45,560 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-11-18 12:35:45,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:35:45,560 INFO L225 Difference]: With dead ends: 77 [2018-11-18 12:35:45,560 INFO L226 Difference]: Without dead ends: 63 [2018-11-18 12:35:45,560 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:35:45,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-11-18 12:35:45,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 62. [2018-11-18 12:35:45,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-11-18 12:35:45,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2018-11-18 12:35:45,564 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 21 [2018-11-18 12:35:45,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:35:45,565 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2018-11-18 12:35:45,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:35:45,565 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2018-11-18 12:35:45,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 12:35:45,565 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:35:45,565 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:35:45,566 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:35:45,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:45,566 INFO L82 PathProgramCache]: Analyzing trace with hash 48207544, now seen corresponding path program 1 times [2018-11-18 12:35:45,566 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:35:45,566 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c1d5e3c-a678-4eb7-8729-c3d27cf01f17/bin-2019/uautomizer/cvc4nyu Starting monitored process 9 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 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:35:45,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:45,622 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:35:46,958 WARN L180 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2018-11-18 12:35:47,046 INFO L477 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 29 treesize of output 45 [2018-11-18 12:35:47,055 INFO L477 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 31 treesize of output 38 [2018-11-18 12:35:47,065 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:47,066 INFO L477 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 [2018-11-18 12:35:47,067 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:47,130 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:47,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 25 [2018-11-18 12:35:47,338 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:35:47,338 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_14 term size 13 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.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) 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:429) 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:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) 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) [2018-11-18 12:35:47,341 INFO L168 Benchmark]: Toolchain (without parser) took 27313.38 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 272.6 MB). Free memory was 945.4 MB in the beginning and 1.2 GB in the end (delta: -255.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:35:47,341 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-11-18 12:35:47,341 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 945.4 MB in the beginning and 1.1 GB in the end (delta: -200.7 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:35:47,341 INFO L168 Benchmark]: Boogie Preprocessor took 42.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:35:47,342 INFO L168 Benchmark]: RCFGBuilder took 478.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:35:47,342 INFO L168 Benchmark]: TraceAbstraction took 26393.60 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 119.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -114.8 MB). Peak memory consumption was 4.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:35:47,344 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 396.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 945.4 MB in the beginning and 1.1 GB in the end (delta: -200.7 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 478.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 26393.60 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 119.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -114.8 MB). Peak memory consumption was 4.7 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_14 term size 13 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimArr_14 term size 13: 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...