./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-optional_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_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-optional_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 497bfe83d1a123e7e085e38ee3eed2e663cc023e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-optional_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 497bfe83d1a123e7e085e38ee3eed2e663cc023e .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimCell_95 term size 70 --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:34:48,802 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:34:48,803 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:34:48,809 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:34:48,810 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:34:48,810 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:34:48,811 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:34:48,812 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:34:48,813 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:34:48,814 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:34:48,815 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:34:48,815 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:34:48,816 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:34:48,816 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:34:48,817 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:34:48,817 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:34:48,817 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:34:48,819 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:34:48,820 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:34:48,821 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:34:48,821 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:34:48,822 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:34:48,823 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:34:48,823 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:34:48,823 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:34:48,824 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:34:48,824 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:34:48,825 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:34:48,825 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:34:48,826 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:34:48,826 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:34:48,827 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:34:48,827 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:34:48,827 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:34:48,828 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:34:48,829 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:34:48,829 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 12:34:48,839 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:34:48,839 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:34:48,839 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:34:48,839 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:34:48,840 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:34:48,840 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:34:48,840 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:34:48,840 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:34:48,840 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:34:48,840 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:34:48,840 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:34:48,840 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:34:48,841 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:34:48,841 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:34:48,841 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:34:48,841 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:34:48,842 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:34:48,842 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:34:48,842 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:34:48,842 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:34:48,842 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:34:48,842 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:34:48,842 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:34:48,843 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:34:48,843 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:34:48,843 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:34:48,843 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:34:48,843 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:34:48,843 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:34:48,843 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:34:48,843 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:34:48,844 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:34:48,844 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:34:48,844 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:34:48,844 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:34:48,844 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:34:48,844 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:34:48,844 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 497bfe83d1a123e7e085e38ee3eed2e663cc023e [2018-11-18 12:34:48,866 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:34:48,875 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:34:48,877 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:34:48,878 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:34:48,878 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:34:48,879 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/../../sv-benchmarks/c/forester-heap/dll-optional_true-unreach-call_true-valid-memsafety.i [2018-11-18 12:34:48,915 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/data/58df1b73f/4b3f794e17b74bf181cbc790215cdaf1/FLAGd61565712 [2018-11-18 12:34:49,290 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:34:49,291 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/sv-benchmarks/c/forester-heap/dll-optional_true-unreach-call_true-valid-memsafety.i [2018-11-18 12:34:49,300 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/data/58df1b73f/4b3f794e17b74bf181cbc790215cdaf1/FLAGd61565712 [2018-11-18 12:34:49,674 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/data/58df1b73f/4b3f794e17b74bf181cbc790215cdaf1 [2018-11-18 12:34:49,677 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:34:49,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:34:49,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:34:49,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:34:49,681 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:34:49,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:34:49" (1/1) ... [2018-11-18 12:34:49,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5141c186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:49, skipping insertion in model container [2018-11-18 12:34:49,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:34:49" (1/1) ... [2018-11-18 12:34:49,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:34:49,718 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:34:49,909 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:34:49,916 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:34:49,950 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:34:50,014 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:34:50,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:50 WrapperNode [2018-11-18 12:34:50,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:34:50,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:34:50,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:34:50,015 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:34:50,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:50" (1/1) ... [2018-11-18 12:34:50,030 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:50" (1/1) ... [2018-11-18 12:34:50,035 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:34:50,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:34:50,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:34:50,036 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:34:50,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:50" (1/1) ... [2018-11-18 12:34:50,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:50" (1/1) ... [2018-11-18 12:34:50,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:50" (1/1) ... [2018-11-18 12:34:50,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:50" (1/1) ... [2018-11-18 12:34:50,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:50" (1/1) ... [2018-11-18 12:34:50,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:50" (1/1) ... [2018-11-18 12:34:50,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:50" (1/1) ... [2018-11-18 12:34:50,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:34:50,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:34:50,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:34:50,059 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:34:50,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:34:50,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:34:50,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 12:34:50,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 12:34:50,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:34:50,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:34:50,095 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:34:50,096 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:34:50,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 12:34:50,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 12:34:50,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 12:34:50,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:34:50,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:34:50,334 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:34:50,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:34:50 BoogieIcfgContainer [2018-11-18 12:34:50,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:34:50,335 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:34:50,335 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:34:50,338 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:34:50,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:34:49" (1/3) ... [2018-11-18 12:34:50,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e23f29f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:34:50, skipping insertion in model container [2018-11-18 12:34:50,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:50" (2/3) ... [2018-11-18 12:34:50,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e23f29f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:34:50, skipping insertion in model container [2018-11-18 12:34:50,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:34:50" (3/3) ... [2018-11-18 12:34:50,340 INFO L112 eAbstractionObserver]: Analyzing ICFG dll-optional_true-unreach-call_true-valid-memsafety.i [2018-11-18 12:34:50,346 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:34:50,353 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:34:50,365 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:34:50,388 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:34:50,388 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:34:50,388 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:34:50,388 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:34:50,388 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:34:50,388 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:34:50,388 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:34:50,388 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:34:50,400 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2018-11-18 12:34:50,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 12:34:50,404 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:34:50,404 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] [2018-11-18 12:34:50,406 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:34:50,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:50,410 INFO L82 PathProgramCache]: Analyzing trace with hash -2025703418, now seen corresponding path program 1 times [2018-11-18 12:34:50,411 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:34:50,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:50,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:34:50,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:50,452 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:34:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:50,515 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 12:34:50,517 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:34:50,517 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:34:50,517 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:34:50,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:34:50,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:34:50,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:34:50,535 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2018-11-18 12:34:50,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:34:50,548 INFO L93 Difference]: Finished difference Result 62 states and 88 transitions. [2018-11-18 12:34:50,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:34:50,548 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-11-18 12:34:50,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:34:50,554 INFO L225 Difference]: With dead ends: 62 [2018-11-18 12:34:50,554 INFO L226 Difference]: Without dead ends: 28 [2018-11-18 12:34:50,556 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 12:34:50,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-11-18 12:34:50,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-11-18 12:34:50,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-18 12:34:50,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2018-11-18 12:34:50,583 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 36 transitions. Word has length 20 [2018-11-18 12:34:50,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:34:50,583 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 36 transitions. [2018-11-18 12:34:50,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:34:50,583 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2018-11-18 12:34:50,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:34:50,584 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:34:50,584 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 12:34:50,584 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:34:50,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:50,585 INFO L82 PathProgramCache]: Analyzing trace with hash 385382935, now seen corresponding path program 1 times [2018-11-18 12:34:50,585 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:34:50,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:50,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:34:50,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:50,587 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:34:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:50,632 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 12:34:50,632 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:34:50,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:34:50,632 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:34:50,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:34:50,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:34:50,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:34:50,634 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. Second operand 3 states. [2018-11-18 12:34:50,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:34:50,653 INFO L93 Difference]: Finished difference Result 31 states and 39 transitions. [2018-11-18 12:34:50,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:34:50,653 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-11-18 12:34:50,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:34:50,654 INFO L225 Difference]: With dead ends: 31 [2018-11-18 12:34:50,654 INFO L226 Difference]: Without dead ends: 29 [2018-11-18 12:34:50,654 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:34:50,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-11-18 12:34:50,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-11-18 12:34:50,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-11-18 12:34:50,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 37 transitions. [2018-11-18 12:34:50,658 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 37 transitions. Word has length 22 [2018-11-18 12:34:50,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:34:50,658 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 37 transitions. [2018-11-18 12:34:50,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:34:50,659 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2018-11-18 12:34:50,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:34:50,659 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:34:50,659 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 12:34:50,659 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:34:50,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:50,660 INFO L82 PathProgramCache]: Analyzing trace with hash 385384857, now seen corresponding path program 1 times [2018-11-18 12:34:50,660 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:34:50,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:50,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:34:50,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:50,661 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:34:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:50,784 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 12:34:50,784 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:34:50,784 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:34:50,785 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:34:50,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:34:50,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:34:50,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:34:50,785 INFO L87 Difference]: Start difference. First operand 29 states and 37 transitions. Second operand 7 states. [2018-11-18 12:34:51,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:34:51,065 INFO L93 Difference]: Finished difference Result 79 states and 98 transitions. [2018-11-18 12:34:51,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 12:34:51,065 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-11-18 12:34:51,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:34:51,066 INFO L225 Difference]: With dead ends: 79 [2018-11-18 12:34:51,066 INFO L226 Difference]: Without dead ends: 65 [2018-11-18 12:34:51,066 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-11-18 12:34:51,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-11-18 12:34:51,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 42. [2018-11-18 12:34:51,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-18 12:34:51,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 53 transitions. [2018-11-18 12:34:51,072 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 53 transitions. Word has length 22 [2018-11-18 12:34:51,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:34:51,072 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 53 transitions. [2018-11-18 12:34:51,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:34:51,072 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2018-11-18 12:34:51,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:34:51,073 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:34:51,073 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 12:34:51,073 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:34:51,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:51,074 INFO L82 PathProgramCache]: Analyzing trace with hash 387231899, now seen corresponding path program 1 times [2018-11-18 12:34:51,074 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:34:51,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:51,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:34:51,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:51,075 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:34:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:51,141 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 12:34:51,141 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:34:51,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:34:51,141 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:34:51,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:34:51,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:34:51,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:34:51,142 INFO L87 Difference]: Start difference. First operand 42 states and 53 transitions. Second operand 6 states. [2018-11-18 12:34:51,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:34:51,243 INFO L93 Difference]: Finished difference Result 64 states and 81 transitions. [2018-11-18 12:34:51,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:34:51,244 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-11-18 12:34:51,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:34:51,245 INFO L225 Difference]: With dead ends: 64 [2018-11-18 12:34:51,245 INFO L226 Difference]: Without dead ends: 62 [2018-11-18 12:34:51,245 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:34:51,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-11-18 12:34:51,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 48. [2018-11-18 12:34:51,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-18 12:34:51,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 62 transitions. [2018-11-18 12:34:51,249 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 62 transitions. Word has length 22 [2018-11-18 12:34:51,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:34:51,250 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 62 transitions. [2018-11-18 12:34:51,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:34:51,250 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2018-11-18 12:34:51,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:34:51,250 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:34:51,251 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 12:34:51,251 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:34:51,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:51,251 INFO L82 PathProgramCache]: Analyzing trace with hash -2132728035, now seen corresponding path program 1 times [2018-11-18 12:34:51,251 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:34:51,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:51,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:34:51,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:51,252 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:34:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:51,312 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 12:34:51,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:34:51,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:34:51,312 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:34:51,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:34:51,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:34:51,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:34:51,313 INFO L87 Difference]: Start difference. First operand 48 states and 62 transitions. Second operand 5 states. [2018-11-18 12:34:51,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:34:51,384 INFO L93 Difference]: Finished difference Result 112 states and 144 transitions. [2018-11-18 12:34:51,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:34:51,384 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-11-18 12:34:51,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:34:51,385 INFO L225 Difference]: With dead ends: 112 [2018-11-18 12:34:51,385 INFO L226 Difference]: Without dead ends: 90 [2018-11-18 12:34:51,385 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 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 12:34:51,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-11-18 12:34:51,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 55. [2018-11-18 12:34:51,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-11-18 12:34:51,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 69 transitions. [2018-11-18 12:34:51,390 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 69 transitions. Word has length 22 [2018-11-18 12:34:51,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:34:51,391 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 69 transitions. [2018-11-18 12:34:51,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:34:51,391 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2018-11-18 12:34:51,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 12:34:51,391 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:34:51,392 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:34:51,392 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:34:51,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:51,392 INFO L82 PathProgramCache]: Analyzing trace with hash -88945400, now seen corresponding path program 1 times [2018-11-18 12:34:51,392 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:34:51,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:51,393 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:34:51,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:51,393 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:34:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:51,456 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 12:34:51,456 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:34:51,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:34:51,456 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:34:51,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:34:51,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:34:51,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:34:51,457 INFO L87 Difference]: Start difference. First operand 55 states and 69 transitions. Second operand 5 states. [2018-11-18 12:34:51,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:34:51,550 INFO L93 Difference]: Finished difference Result 101 states and 127 transitions. [2018-11-18 12:34:51,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:34:51,550 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-11-18 12:34:51,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:34:51,551 INFO L225 Difference]: With dead ends: 101 [2018-11-18 12:34:51,551 INFO L226 Difference]: Without dead ends: 99 [2018-11-18 12:34:51,551 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:34:51,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-11-18 12:34:51,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 65. [2018-11-18 12:34:51,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-18 12:34:51,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 82 transitions. [2018-11-18 12:34:51,557 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 82 transitions. Word has length 23 [2018-11-18 12:34:51,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:34:51,557 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 82 transitions. [2018-11-18 12:34:51,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:34:51,557 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2018-11-18 12:34:51,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 12:34:51,558 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:34:51,558 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 12:34:51,558 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:34:51,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:51,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1732151422, now seen corresponding path program 1 times [2018-11-18 12:34:51,559 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:34:51,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:51,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:34:51,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:51,560 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:34:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:51,922 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 12:34:51,922 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:34:51,922 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:34:51,923 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 27 with the following transitions: [2018-11-18 12:34:51,924 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [8], [17], [21], [23], [26], [28], [31], [43], [47], [53], [57], [60], [64], [67], [71], [76], [80], [81], [121], [122], [123] [2018-11-18 12:34:51,952 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:34:51,952 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:34:52,122 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:34:52,124 INFO L272 AbstractInterpreter]: Visited 24 different actions 24 times. Never merged. Never widened. Performed 360 root evaluator evaluations with a maximum evaluation depth of 3. Performed 360 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 49 variables. [2018-11-18 12:34:52,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:52,137 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:34:52,138 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:34:52,138 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:34:52,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:34:52,144 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:34:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:52,176 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:34:52,201 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 6 treesize of output 5 [2018-11-18 12:34:52,203 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:52,208 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:52,208 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-18 12:34:52,218 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:52,219 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:52,220 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 12:34:52,220 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:52,258 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 31 treesize of output 22 [2018-11-18 12:34:52,261 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 12:34:52,261 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:52,272 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 21 treesize of output 22 [2018-11-18 12:34:52,274 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 12:34:52,274 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:52,286 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:52,293 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 12:34:52,308 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 31 treesize of output 22 [2018-11-18 12:34:52,313 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 12:34:52,313 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:52,320 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 21 treesize of output 28 [2018-11-18 12:34:52,322 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 19 [2018-11-18 12:34:52,323 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:52,327 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:52,330 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 12:34:52,340 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 12:34:52,340 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 5 variables, input treesize:82, output treesize:68 [2018-11-18 12:34:52,443 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:52,446 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:52,448 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:52,450 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 28 treesize of output 52 [2018-11-18 12:34:52,450 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:52,559 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 160 treesize of output 113 [2018-11-18 12:34:52,614 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:52,614 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 68 treesize of output 83 [2018-11-18 12:34:52,615 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:52,659 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 111 treesize of output 110 [2018-11-18 12:34:52,663 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 12:34:52,664 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:52,720 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 102 treesize of output 117 [2018-11-18 12:34:52,733 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 14 treesize of output 19 [2018-11-18 12:34:52,733 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-18 12:34:52,767 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:34:52,813 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 12:34:52,859 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 12:34:52,924 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 153 treesize of output 125 [2018-11-18 12:34:52,928 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:52,929 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 43 treesize of output 52 [2018-11-18 12:34:52,930 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:52,952 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 73 treesize of output 93 [2018-11-18 12:34:52,955 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 12:34:52,956 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:52,968 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:34:52,975 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 68 treesize of output 99 [2018-11-18 12:34:52,989 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 23 treesize of output 18 [2018-11-18 12:34:52,989 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:53,000 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:53,004 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 12:34:53,017 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 12:34:53,024 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 157 treesize of output 133 [2018-11-18 12:34:53,027 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:53,029 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 47 treesize of output 64 [2018-11-18 12:34:53,029 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:53,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 113 [2018-11-18 12:34:53,055 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 12:34:53,055 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:53,068 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:53,075 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 80 treesize of output 114 [2018-11-18 12:34:53,078 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:34:53,079 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 26 [2018-11-18 12:34:53,079 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:53,094 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:53,103 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 12:34:53,116 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 12:34:53,155 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 2 xjuncts. [2018-11-18 12:34:53,155 INFO L202 ElimStorePlain]: Needed 20 recursive calls to eliminate 4 variables, input treesize:228, output treesize:296 [2018-11-18 12:34:53,246 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:53,249 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:53,251 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:53,253 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:53,254 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 273 treesize of output 265 [2018-11-18 12:34:53,255 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:53,441 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:53,442 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:53,444 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:53,445 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:53,446 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 219 treesize of output 211 [2018-11-18 12:34:53,446 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:53,609 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 265 treesize of output 265 [2018-11-18 12:34:53,615 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:53,624 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 2 case distinctions, treesize of input 25 treesize of output 48 [2018-11-18 12:34:53,625 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-11-18 12:34:53,707 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 116 treesize of output 191 [2018-11-18 12:34:53,712 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 17 [2018-11-18 12:34:53,712 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:53,739 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:53,758 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 110 treesize of output 185 [2018-11-18 12:34:53,769 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 17 [2018-11-18 12:34:53,769 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:53,789 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:53,845 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 12:34:54,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 211 treesize of output 185 [2018-11-18 12:34:54,059 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 23 [2018-11-18 12:34:54,059 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:54,097 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 79 treesize of output 130 [2018-11-18 12:34:54,099 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 15 [2018-11-18 12:34:54,100 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:54,115 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:54,138 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 12:34:54,311 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 248 treesize of output 202 [2018-11-18 12:34:54,316 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:54,324 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 3 case distinctions, treesize of input 76 treesize of output 93 [2018-11-18 12:34:54,324 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-11-18 12:34:54,386 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 194 treesize of output 193 [2018-11-18 12:34:54,389 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 17 [2018-11-18 12:34:54,389 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:54,416 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:54,428 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 191 [2018-11-18 12:34:54,431 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 17 [2018-11-18 12:34:54,431 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:54,466 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:54,538 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 12:34:54,546 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:54,547 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 242 treesize of output 204 [2018-11-18 12:34:54,552 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:34:54,552 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:34:54,556 INFO L477 Elim1Store]: Elim1 did not use 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 85 [2018-11-18 12:34:54,556 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:54,590 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 168 [2018-11-18 12:34:54,593 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 17 [2018-11-18 12:34:54,593 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:54,610 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:54,632 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:54,763 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 194 treesize of output 174 [2018-11-18 12:34:54,766 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 23 [2018-11-18 12:34:54,766 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:54,795 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 162 [2018-11-18 12:34:54,797 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 15 [2018-11-18 12:34:54,798 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-18 12:34:54,813 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:34:54,833 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 12:34:54,914 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-18 12:34:54,914 INFO L202 ElimStorePlain]: Needed 27 recursive calls to eliminate 11 variables, input treesize:493, output treesize:622 [2018-11-18 12:34:55,214 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 12:34:55,214 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:34:57,325 WARN L180 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 62 [2018-11-18 12:35:11,243 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-11-18 12:35:11,263 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 3461 treesize of output 2192 [2018-11-18 12:35:11,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 10 [2018-11-18 12:35:11,268 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:11,387 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 2164 treesize of output 1678 [2018-11-18 12:35:11,393 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 1664 treesize of output 1663 [2018-11-18 12:35:11,393 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:11,587 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:11,591 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 1663 treesize of output 1660 [2018-11-18 12:35:11,591 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:11,797 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 1663 treesize of output 1414 [2018-11-18 12:35:11,932 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 66 [2018-11-18 12:35:11,936 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:11,937 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:11,938 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 18 treesize of output 33 [2018-11-18 12:35:11,938 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:12,005 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:12,053 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 1316 treesize of output 1290 [2018-11-18 12:35:12,554 WARN L180 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 155 [2018-11-18 12:35:12,558 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 1281 treesize of output 1280 [2018-11-18 12:35:12,559 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:12,782 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 2 case distinctions, treesize of input 1262 treesize of output 1255 [2018-11-18 12:35:12,782 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-11-18 12:35:12,965 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 1243 treesize of output 1239 [2018-11-18 12:35:13,069 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,070 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,070 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,070 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,072 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:13,072 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,080 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1219 treesize of output 1238 [2018-11-18 12:35:13,085 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,089 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,094 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 1216 treesize of output 1244 [2018-11-18 12:35:13,107 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-11-18 12:35:13,212 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:35:13,275 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 1224 treesize of output 1217 [2018-11-18 12:35:13,279 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,279 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,279 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,280 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 1196 treesize of output 1196 [2018-11-18 12:35:13,286 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:13,306 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 6 treesize of output 1 [2018-11-18 12:35:13,306 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:13,316 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:13,321 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 1229 treesize of output 1220 [2018-11-18 12:35:13,326 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,326 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,328 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,329 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,329 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 1202 treesize of output 1204 [2018-11-18 12:35:13,344 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:13,372 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 6 treesize of output 1 [2018-11-18 12:35:13,373 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:13,390 INFO L267 ElimStorePlain]: Start of recursive call 18: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:13,433 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:35:13,445 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 1239 treesize of output 1237 [2018-11-18 12:35:13,499 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,501 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,509 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 44 [2018-11-18 12:35:13,513 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,514 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,517 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 37 treesize of output 50 [2018-11-18 12:35:13,517 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:13,563 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,563 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,564 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,564 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,570 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,577 INFO L477 Elim1Store]: Elim1 did not use 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 0 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 65 [2018-11-18 12:35:13,578 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 2 xjuncts. [2018-11-18 12:35:13,613 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:35:13,617 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,619 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,647 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 1211 treesize of output 1222 [2018-11-18 12:35:13,654 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,654 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,663 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,683 INFO L477 Elim1Store]: Elim1 did not use 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 0 new quantified variables, introduced 3 case distinctions, treesize of input 1217 treesize of output 1243 [2018-11-18 12:35:13,684 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2018-11-18 12:35:13,768 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,768 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,770 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,773 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,774 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 28 treesize of output 51 [2018-11-18 12:35:13,774 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:13,814 INFO L267 ElimStorePlain]: Start of recursive call 25: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:35:13,865 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 1216 treesize of output 1209 [2018-11-18 12:35:13,868 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 6 treesize of output 1 [2018-11-18 12:35:13,868 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:13,881 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,882 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,882 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,882 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,883 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,883 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:13,887 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,887 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 1194 treesize of output 1204 [2018-11-18 12:35:13,888 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:13,899 INFO L267 ElimStorePlain]: Start of recursive call 28: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:13,903 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 1214 treesize of output 1207 [2018-11-18 12:35:13,906 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,907 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:13,907 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,908 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,912 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:13,914 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 1194 treesize of output 1192 [2018-11-18 12:35:13,914 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:13,931 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 6 treesize of output 1 [2018-11-18 12:35:13,932 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:13,939 INFO L267 ElimStorePlain]: Start of recursive call 31: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:13,962 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:35:14,125 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:14,126 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:14,136 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:14,202 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 1271 treesize of output 1277 [2018-11-18 12:35:14,754 WARN L180 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 146 [2018-11-18 12:35:14,757 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:14,759 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:14,760 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:14,761 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:14,762 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:14,763 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:14,768 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1249 treesize of output 1279 [2018-11-18 12:35:14,772 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:14,776 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:14,795 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 1239 treesize of output 1305 [2018-11-18 12:35:14,796 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 2 xjuncts. [2018-11-18 12:35:14,900 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:35:15,288 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 1258 treesize of output 1266 [2018-11-18 12:35:15,293 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:15,300 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 1 case distinctions, treesize of input 1261 treesize of output 1269 [2018-11-18 12:35:15,301 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:15,382 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:15,384 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 1259 treesize of output 1265 [2018-11-18 12:35:15,384 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:15,489 INFO L267 ElimStorePlain]: Start of recursive call 37: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:35:15,953 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:15,953 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:15,958 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 1264 treesize of output 1245 [2018-11-18 12:35:15,961 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:15,961 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:15,962 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 1200 treesize of output 614 [2018-11-18 12:35:15,962 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:15,985 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 6 treesize of output 1 [2018-11-18 12:35:15,985 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:16,001 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:16,008 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 14 [2018-11-18 12:35:16,009 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 2 xjuncts. [2018-11-18 12:35:16,036 INFO L267 ElimStorePlain]: Start of recursive call 40: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:35:16,039 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:16,039 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:16,044 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 1260 treesize of output 1243 [2018-11-18 12:35:16,047 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 6 treesize of output 1 [2018-11-18 12:35:16,047 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:16,072 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:16,074 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 5 [2018-11-18 12:35:16,074 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:16,094 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:16,094 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:16,095 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 1200 treesize of output 614 [2018-11-18 12:35:16,095 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:16,108 INFO L267 ElimStorePlain]: Start of recursive call 44: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:16,338 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:16,342 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1282 treesize of output 1261 [2018-11-18 12:35:16,347 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 6 treesize of output 1 [2018-11-18 12:35:16,347 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:16,370 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:16,370 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:16,370 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:16,371 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:16,376 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 1228 treesize of output 1196 [2018-11-18 12:35:16,377 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:16,394 INFO L267 ElimStorePlain]: Start of recursive call 48: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:16,399 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:16,405 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1287 treesize of output 1264 [2018-11-18 12:35:16,409 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:16,410 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:16,412 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:16,412 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:16,415 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:16,424 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 1242 treesize of output 1208 [2018-11-18 12:35:16,425 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:16,455 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 6 treesize of output 1 [2018-11-18 12:35:16,455 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:16,475 INFO L267 ElimStorePlain]: Start of recursive call 51: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:16,594 INFO L267 ElimStorePlain]: Start of recursive call 34: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:35:16,692 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-18 12:35:16,754 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-18 12:35:17,146 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 1663 treesize of output 1429 [2018-11-18 12:35:17,963 WARN L180 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 148 [2018-11-18 12:35:17,967 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:17,972 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:17,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 1319 treesize of output 1356 [2018-11-18 12:35:17,999 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 2 xjuncts. [2018-11-18 12:35:18,379 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:18,390 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:18,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 1322 treesize of output 1359 [2018-11-18 12:35:18,421 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 2 xjuncts. [2018-11-18 12:35:18,832 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:18,832 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:18,833 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:18,833 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 1317 treesize of output 1334 [2018-11-18 12:35:18,833 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:19,321 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:19,332 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 1324 treesize of output 1304 [2018-11-18 12:35:19,445 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2018-11-18 12:35:19,448 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 9 treesize of output 8 [2018-11-18 12:35:19,449 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:19,476 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:19,476 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:19,477 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:19,497 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1269 treesize of output 1277 [2018-11-18 12:35:19,559 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:19,559 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 28 [2018-11-18 12:35:19,563 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:19,565 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:19,570 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 2 case distinctions, treesize of input 24 treesize of output 46 [2018-11-18 12:35:19,570 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 2 xjuncts. [2018-11-18 12:35:19,595 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:35:19,626 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:19,628 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 1258 treesize of output 1231 [2018-11-18 12:35:19,632 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:19,632 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:19,634 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:19,635 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 21 treesize of output 14 [2018-11-18 12:35:19,635 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:19,653 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:19,653 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:19,654 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 1208 treesize of output 622 [2018-11-18 12:35:19,654 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:19,668 INFO L267 ElimStorePlain]: Start of recursive call 63: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:19,671 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:19,674 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 1256 treesize of output 1231 [2018-11-18 12:35:19,678 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:19,678 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:19,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 1208 treesize of output 622 [2018-11-18 12:35:19,679 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:19,704 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:19,704 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:19,705 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 15 treesize of output 9 [2018-11-18 12:35:19,705 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:19,718 INFO L267 ElimStorePlain]: Start of recursive call 66: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:19,741 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 12:35:19,756 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:20,097 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:20,159 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 1340 treesize of output 1307 [2018-11-18 12:35:21,021 WARN L180 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 172 [2018-11-18 12:35:21,034 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:21,051 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:21,098 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 1285 treesize of output 1304 [2018-11-18 12:35:21,099 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 8 xjuncts. [2018-11-18 12:35:21,597 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 1299 treesize of output 1298 [2018-11-18 12:35:21,598 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:21,967 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:21,967 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:21,982 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:22,069 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 1298 treesize of output 1295 [2018-11-18 12:35:22,765 WARN L180 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 166 [2018-11-18 12:35:22,777 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:22,779 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:22,781 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:22,787 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:22,788 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:22,798 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 1271 treesize of output 1298 [2018-11-18 12:35:22,810 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:22,815 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:22,878 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 1256 treesize of output 1343 [2018-11-18 12:35:22,879 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 8 xjuncts. [2018-11-18 12:35:23,167 INFO L267 ElimStorePlain]: Start of recursive call 73: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-18 12:35:24,375 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:24,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 2481 treesize of output 2442 [2018-11-18 12:35:24,416 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 2422 treesize of output 2404 [2018-11-18 12:35:24,417 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:24,561 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:24,565 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:24,578 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 2401 treesize of output 1243 [2018-11-18 12:35:24,579 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 4 xjuncts. [2018-11-18 12:35:24,752 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:24,757 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:24,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 2398 treesize of output 1240 [2018-11-18 12:35:24,772 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 4 xjuncts. [2018-11-18 12:35:24,884 INFO L267 ElimStorePlain]: Start of recursive call 75: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 12:35:24,887 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:24,887 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:24,888 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:24,894 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 1281 treesize of output 1258 [2018-11-18 12:35:24,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 14 [2018-11-18 12:35:24,904 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 2 xjuncts. [2018-11-18 12:35:24,936 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:24,940 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:24,970 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 1206 treesize of output 634 [2018-11-18 12:35:24,971 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 4 xjuncts. [2018-11-18 12:35:25,029 INFO L267 ElimStorePlain]: Start of recursive call 79: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 12:35:25,754 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:25,799 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 2486 treesize of output 2453 [2018-11-18 12:35:25,813 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:25,813 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:25,822 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:25,822 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:25,853 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 2407 treesize of output 1261 [2018-11-18 12:35:25,855 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 16 xjuncts. [2018-11-18 12:35:26,795 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 2434 treesize of output 2416 [2018-11-18 12:35:26,795 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:27,560 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:27,582 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:27,880 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:35:27,881 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_prenex_38 term size 68 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.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:418) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getTraceCheck(BaseTaipanRefinementStrategy.java:214) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java: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 12:35:27,883 INFO L168 Benchmark]: Toolchain (without parser) took 38206.57 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 361.8 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -277.5 MB). Peak memory consumption was 474.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:35:27,884 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:35:27,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -196.0 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:35:27,884 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:35:27,884 INFO L168 Benchmark]: Boogie Preprocessor took 23.49 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:35:27,884 INFO L168 Benchmark]: RCFGBuilder took 275.78 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: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:35:27,884 INFO L168 Benchmark]: TraceAbstraction took 37547.64 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 199.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -115.3 MB). Peak memory consumption was 474.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:35:27,886 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 336.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -196.0 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.49 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 275.78 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: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 37547.64 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 199.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -115.3 MB). Peak memory consumption was 474.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_prenex_38 term size 68 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_prenex_38 term size 68: 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... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 12:35:29,281 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:35:29,283 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:35:29,291 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:35:29,291 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:35:29,292 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:35:29,292 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:35:29,294 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:35:29,295 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:35:29,295 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:35:29,296 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:35:29,296 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:35:29,297 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:35:29,298 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:35:29,298 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:35:29,299 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:35:29,299 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:35:29,301 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:35:29,302 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:35:29,303 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:35:29,304 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:35:29,305 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:35:29,306 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:35:29,306 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:35:29,307 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:35:29,307 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:35:29,308 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:35:29,308 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:35:29,309 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:35:29,310 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:35:29,310 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:35:29,310 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:35:29,310 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:35:29,310 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:35:29,311 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:35:29,311 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:35:29,312 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 12:35:29,322 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:35:29,322 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:35:29,323 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:35:29,323 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:35:29,323 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:35:29,323 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:35:29,323 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:35:29,324 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:35:29,324 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:35:29,324 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:35:29,324 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:35:29,325 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:35:29,325 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:35:29,325 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:35:29,326 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:35:29,326 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:35:29,326 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:35:29,326 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 12:35:29,326 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 12:35:29,326 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:35:29,326 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:35:29,326 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:35:29,326 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:35:29,327 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:35:29,327 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:35:29,327 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:35:29,327 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:35:29,327 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:35:29,327 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:35:29,327 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:35:29,327 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:35:29,328 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 12:35:29,328 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:35:29,328 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 12:35:29,328 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 12:35:29,328 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_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 497bfe83d1a123e7e085e38ee3eed2e663cc023e [2018-11-18 12:35:29,359 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:35:29,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:35:29,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:35:29,372 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:35:29,372 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:35:29,373 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/../../sv-benchmarks/c/forester-heap/dll-optional_true-unreach-call_true-valid-memsafety.i [2018-11-18 12:35:29,418 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/data/7a27bdd2e/e5dbfd0ac6ca4c9f846b54b4ceed7922/FLAG1a9dfe851 [2018-11-18 12:35:29,772 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:35:29,773 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/sv-benchmarks/c/forester-heap/dll-optional_true-unreach-call_true-valid-memsafety.i [2018-11-18 12:35:29,779 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/data/7a27bdd2e/e5dbfd0ac6ca4c9f846b54b4ceed7922/FLAG1a9dfe851 [2018-11-18 12:35:29,787 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/data/7a27bdd2e/e5dbfd0ac6ca4c9f846b54b4ceed7922 [2018-11-18 12:35:29,789 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:35:29,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:35:29,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:35:29,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:35:29,794 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:35:29,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:35:29" (1/1) ... [2018-11-18 12:35:29,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dd0d030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:29, skipping insertion in model container [2018-11-18 12:35:29,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:35:29" (1/1) ... [2018-11-18 12:35:29,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:35:29,836 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:35:30,057 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:35:30,067 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:35:30,103 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:35:30,180 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:35:30,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:30 WrapperNode [2018-11-18 12:35:30,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:35:30,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:35:30,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:35:30,181 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:35:30,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:30" (1/1) ... [2018-11-18 12:35:30,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:30" (1/1) ... [2018-11-18 12:35:30,205 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:35:30,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:35:30,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:35:30,205 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:35:30,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:30" (1/1) ... [2018-11-18 12:35:30,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:30" (1/1) ... [2018-11-18 12:35:30,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:30" (1/1) ... [2018-11-18 12:35:30,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:30" (1/1) ... [2018-11-18 12:35:30,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:30" (1/1) ... [2018-11-18 12:35:30,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:30" (1/1) ... [2018-11-18 12:35:30,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:30" (1/1) ... [2018-11-18 12:35:30,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:35:30,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:35:30,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:35:30,237 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:35:30,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:35:30,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:35:30,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 12:35:30,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:35:30,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:35:30,273 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:35:30,273 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:35:30,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 12:35:30,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 12:35:30,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 12:35:30,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 12:35:30,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:35:30,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:35:30,550 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:35:30,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:35:30 BoogieIcfgContainer [2018-11-18 12:35:30,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:35:30,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:35:30,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:35:30,553 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:35:30,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:35:29" (1/3) ... [2018-11-18 12:35:30,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34bce73a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:35:30, skipping insertion in model container [2018-11-18 12:35:30,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:30" (2/3) ... [2018-11-18 12:35:30,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34bce73a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:35:30, skipping insertion in model container [2018-11-18 12:35:30,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:35:30" (3/3) ... [2018-11-18 12:35:30,555 INFO L112 eAbstractionObserver]: Analyzing ICFG dll-optional_true-unreach-call_true-valid-memsafety.i [2018-11-18 12:35:30,560 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:35:30,567 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:35:30,577 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:35:30,596 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:35:30,596 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:35:30,597 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:35:30,597 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:35:30,597 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:35:30,597 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:35:30,597 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:35:30,597 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:35:30,597 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:35:30,606 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2018-11-18 12:35:30,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 12:35:30,610 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:35:30,610 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] [2018-11-18 12:35:30,612 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:35:30,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:30,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1447715577, now seen corresponding path program 1 times [2018-11-18 12:35:30,618 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:35:30,618 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:35:30,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:30,676 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:35:30,688 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 12:35:30,688 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:35:30,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:35:30,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:35:30,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:35:30,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:35:30,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:35:30,703 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states. [2018-11-18 12:35:30,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:35:30,716 INFO L93 Difference]: Finished difference Result 61 states and 87 transitions. [2018-11-18 12:35:30,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:35:30,717 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-11-18 12:35:30,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:35:30,723 INFO L225 Difference]: With dead ends: 61 [2018-11-18 12:35:30,723 INFO L226 Difference]: Without dead ends: 27 [2018-11-18 12:35:30,725 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 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 12:35:30,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-11-18 12:35:30,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-11-18 12:35:30,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-18 12:35:30,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2018-11-18 12:35:30,748 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 20 [2018-11-18 12:35:30,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:35:30,749 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2018-11-18 12:35:30,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:35:30,749 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2018-11-18 12:35:30,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:35:30,750 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:35:30,750 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 12:35:30,750 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:35:30,750 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:30,750 INFO L82 PathProgramCache]: Analyzing trace with hash -410611647, now seen corresponding path program 1 times [2018-11-18 12:35:30,751 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:35:30,751 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:35:30,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:30,801 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:35:30,815 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 12:35:30,815 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (3)] Exception during sending of exit command (exit): Broken pipe [2018-11-18 12:35:30,819 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:35:30,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:35:30,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:35:30,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:35:30,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:35:30,821 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. Second operand 3 states. [2018-11-18 12:35:30,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:35:30,846 INFO L93 Difference]: Finished difference Result 30 states and 38 transitions. [2018-11-18 12:35:30,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:35:30,847 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2018-11-18 12:35:30,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:35:30,847 INFO L225 Difference]: With dead ends: 30 [2018-11-18 12:35:30,847 INFO L226 Difference]: Without dead ends: 28 [2018-11-18 12:35:30,848 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:35:30,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-11-18 12:35:30,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-11-18 12:35:30,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-18 12:35:30,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2018-11-18 12:35:30,852 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 36 transitions. Word has length 21 [2018-11-18 12:35:30,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:35:30,852 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 36 transitions. [2018-11-18 12:35:30,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:35:30,852 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2018-11-18 12:35:30,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:35:30,853 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:35:30,853 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 12:35:30,853 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:35:30,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:30,854 INFO L82 PathProgramCache]: Analyzing trace with hash -410609725, now seen corresponding path program 1 times [2018-11-18 12:35:30,854 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:35:30,854 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:35:30,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:30,923 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:35:30,946 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 12:35:30,947 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:30,955 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:30,955 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-18 12:35:30,984 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:30,989 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:30,990 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 13 treesize of output 4 [2018-11-18 12:35:30,990 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:31,078 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 31 treesize of output 22 [2018-11-18 12:35:31,083 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 12:35:31,083 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:31,128 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 21 treesize of output 22 [2018-11-18 12:35:31,132 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 12:35:31,133 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:31,145 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:31,161 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 12:35:31,208 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 31 treesize of output 22 [2018-11-18 12:35:31,213 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 12:35:31,213 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:31,239 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 21 treesize of output 22 [2018-11-18 12:35:31,244 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 12:35:31,245 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:31,256 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:31,267 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 12:35:31,291 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 12:35:31,291 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 4 variables, input treesize:78, output treesize:49 [2018-11-18 12:35:31,428 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 12:35:31,428 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:35:31,432 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:35:31,433 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:35:31,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:35:31,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:35:31,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:35:31,434 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. Second operand 7 states. [2018-11-18 12:35:32,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:35:32,388 INFO L93 Difference]: Finished difference Result 77 states and 96 transitions. [2018-11-18 12:35:32,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 12:35:32,388 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-11-18 12:35:32,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:35:32,390 INFO L225 Difference]: With dead ends: 77 [2018-11-18 12:35:32,390 INFO L226 Difference]: Without dead ends: 63 [2018-11-18 12:35:32,390 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-11-18 12:35:32,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-11-18 12:35:32,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 40. [2018-11-18 12:35:32,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-11-18 12:35:32,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 51 transitions. [2018-11-18 12:35:32,397 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 51 transitions. Word has length 21 [2018-11-18 12:35:32,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:35:32,398 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 51 transitions. [2018-11-18 12:35:32,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:35:32,398 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2018-11-18 12:35:32,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:35:32,399 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:35:32,399 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 12:35:32,399 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:35:32,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:32,400 INFO L82 PathProgramCache]: Analyzing trace with hash -408762683, now seen corresponding path program 1 times [2018-11-18 12:35:32,400 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:35:32,400 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/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 12:35:32,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:32,440 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:35:32,541 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 12:35:32,541 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:35:32,545 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:35:32,545 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:35:32,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:35:32,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:35:32,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:35:32,546 INFO L87 Difference]: Start difference. First operand 40 states and 51 transitions. Second operand 6 states. [2018-11-18 12:35:33,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:35:33,197 INFO L93 Difference]: Finished difference Result 61 states and 78 transitions. [2018-11-18 12:35:33,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 12:35:33,197 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-11-18 12:35:33,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:35:33,198 INFO L225 Difference]: With dead ends: 61 [2018-11-18 12:35:33,198 INFO L226 Difference]: Without dead ends: 59 [2018-11-18 12:35:33,199 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:35:33,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-11-18 12:35:33,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 46. [2018-11-18 12:35:33,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-11-18 12:35:33,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 60 transitions. [2018-11-18 12:35:33,203 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 60 transitions. Word has length 21 [2018-11-18 12:35:33,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:35:33,203 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 60 transitions. [2018-11-18 12:35:33,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:35:33,203 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2018-11-18 12:35:33,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:35:33,204 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:35:33,204 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 12:35:33,204 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:35:33,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:33,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1366244679, now seen corresponding path program 1 times [2018-11-18 12:35:33,205 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:35:33,205 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:35:33,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:33,240 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:35:33,247 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 12:35:33,249 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 12:35:33,250 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:33,251 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:33,259 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:33,259 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:17, output treesize:13 [2018-11-18 12:35:33,281 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 12:35:33,281 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:35:33,282 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:35:33,282 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:35:33,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:35:33,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:35:33,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:35:33,283 INFO L87 Difference]: Start difference. First operand 46 states and 60 transitions. Second operand 6 states. [2018-11-18 12:35:33,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:35:33,580 INFO L93 Difference]: Finished difference Result 105 states and 136 transitions. [2018-11-18 12:35:33,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:35:33,581 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-11-18 12:35:33,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:35:33,582 INFO L225 Difference]: With dead ends: 105 [2018-11-18 12:35:33,582 INFO L226 Difference]: Without dead ends: 83 [2018-11-18 12:35:33,582 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:35:33,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-11-18 12:35:33,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 52. [2018-11-18 12:35:33,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-11-18 12:35:33,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 66 transitions. [2018-11-18 12:35:33,589 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 66 transitions. Word has length 21 [2018-11-18 12:35:33,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:35:33,590 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 66 transitions. [2018-11-18 12:35:33,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:35:33,590 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2018-11-18 12:35:33,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:35:33,591 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:35:33,591 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 12:35:33,591 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:35:33,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:33,591 INFO L82 PathProgramCache]: Analyzing trace with hash 834689430, now seen corresponding path program 1 times [2018-11-18 12:35:33,591 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:35:33,591 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/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 12:35:33,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:33,632 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:35:33,639 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 12:35:33,642 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 12:35:33,642 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:33,644 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:33,651 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:33,652 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:17, output treesize:13 [2018-11-18 12:35:33,673 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 12:35:33,673 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:35:33,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:35:33,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:35:33,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:35:33,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:35:33,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:35:33,675 INFO L87 Difference]: Start difference. First operand 52 states and 66 transitions. Second operand 6 states. [2018-11-18 12:35:34,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:35:34,103 INFO L93 Difference]: Finished difference Result 119 states and 154 transitions. [2018-11-18 12:35:34,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:35:34,104 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-11-18 12:35:34,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:35:34,105 INFO L225 Difference]: With dead ends: 119 [2018-11-18 12:35:34,105 INFO L226 Difference]: Without dead ends: 101 [2018-11-18 12:35:34,105 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:35:34,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-11-18 12:35:34,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 62. [2018-11-18 12:35:34,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-11-18 12:35:34,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 79 transitions. [2018-11-18 12:35:34,113 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 79 transitions. Word has length 22 [2018-11-18 12:35:34,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:35:34,113 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 79 transitions. [2018-11-18 12:35:34,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:35:34,114 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2018-11-18 12:35:34,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:35:34,114 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:35:34,114 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 12:35:34,115 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:35:34,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:34,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1685270504, now seen corresponding path program 1 times [2018-11-18 12:35:34,115 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:35:34,115 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:35:34,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:34,144 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:35:34,151 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 12:35:34,151 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:35:34,152 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:35:34,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:35:34,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 12:35:34,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 12:35:34,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:35:34,153 INFO L87 Difference]: Start difference. First operand 62 states and 79 transitions. Second operand 4 states. [2018-11-18 12:35:34,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:35:34,191 INFO L93 Difference]: Finished difference Result 85 states and 109 transitions. [2018-11-18 12:35:34,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 12:35:34,192 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-11-18 12:35:34,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:35:34,192 INFO L225 Difference]: With dead ends: 85 [2018-11-18 12:35:34,192 INFO L226 Difference]: Without dead ends: 67 [2018-11-18 12:35:34,192 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 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 12:35:34,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-11-18 12:35:34,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 62. [2018-11-18 12:35:34,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-11-18 12:35:34,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2018-11-18 12:35:34,198 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 78 transitions. Word has length 22 [2018-11-18 12:35:34,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:35:34,198 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 78 transitions. [2018-11-18 12:35:34,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 12:35:34,199 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2018-11-18 12:35:34,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:35:34,199 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:35:34,199 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 12:35:34,200 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:35:34,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:34,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1683423462, now seen corresponding path program 1 times [2018-11-18 12:35:34,200 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:35:34,200 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/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 12:35:34,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:34,233 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:35:34,250 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 12:35:34,252 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 12:35:34,252 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:34,255 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:34,265 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 12:35:34,267 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 12:35:34,267 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:34,269 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:34,274 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:34,274 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:30, output treesize:22 [2018-11-18 12:35:34,299 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 12:35:34,300 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:35:34,301 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:35:34,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:35:34,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:35:34,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:35:34,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:35:34,302 INFO L87 Difference]: Start difference. First operand 62 states and 78 transitions. Second operand 6 states. [2018-11-18 12:35:34,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:35:34,963 INFO L93 Difference]: Finished difference Result 120 states and 152 transitions. [2018-11-18 12:35:34,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:35:34,964 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-11-18 12:35:34,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:35:34,964 INFO L225 Difference]: With dead ends: 120 [2018-11-18 12:35:34,964 INFO L226 Difference]: Without dead ends: 118 [2018-11-18 12:35:34,965 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:35:34,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-11-18 12:35:34,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 88. [2018-11-18 12:35:34,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-11-18 12:35:34,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 114 transitions. [2018-11-18 12:35:34,974 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 114 transitions. Word has length 22 [2018-11-18 12:35:34,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:35:34,975 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 114 transitions. [2018-11-18 12:35:34,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:35:34,975 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 114 transitions. [2018-11-18 12:35:34,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 12:35:34,975 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:35:34,976 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:35:34,976 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:35:34,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:34,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1787977003, now seen corresponding path program 1 times [2018-11-18 12:35:34,977 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:35:34,978 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ffd1151d-5ccd-442a-8932-9222443cf5ae/bin-2019/utaipan/cvc4nyu Starting monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:35:34,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:35,070 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:35:35,073 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 12:35:35,073 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:35,076 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:35,076 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-18 12:35:35,107 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:35,118 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:35,119 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 19 treesize of output 23 [2018-11-18 12:35:35,120 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:35,250 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 31 treesize of output 22 [2018-11-18 12:35:35,255 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 12:35:35,256 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:35,294 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 21 treesize of output 22 [2018-11-18 12:35:35,297 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 12:35:35,298 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:35,310 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:35,319 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 12:35:35,355 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 22 [2018-11-18 12:35:35,358 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 12:35:35,359 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:35,371 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 21 treesize of output 22 [2018-11-18 12:35:35,374 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 12:35:35,374 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:35,379 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:35,384 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 12:35:35,404 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 12:35:35,404 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 4 variables, input treesize:84, output treesize:67 [2018-11-18 12:35:35,491 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:35,502 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:35,553 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:35,554 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 28 treesize of output 58 [2018-11-18 12:35:35,554 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:36,754 INFO L303 Elim1Store]: Index analysis took 260 ms [2018-11-18 12:35:36,755 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 86 treesize of output 70 [2018-11-18 12:35:36,767 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:36,774 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 12:35:36,774 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:36,863 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 61 treesize of output 75 [2018-11-18 12:35:36,872 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 12:35:36,872 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:36,975 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:36,977 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:36,978 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:37,046 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 50 treesize of output 102 [2018-11-18 12:35:37,059 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:37,060 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 80 [2018-11-18 12:35:37,060 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:37,105 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:35:37,138 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 12:35:37,165 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 12:35:37,327 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 231 treesize of output 152 [2018-11-18 12:35:37,789 WARN L180 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 49 [2018-11-18 12:35:37,798 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:37,799 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 57 treesize of output 72 [2018-11-18 12:35:37,799 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:37,871 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 128 treesize of output 125 [2018-11-18 12:35:37,875 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 12:35:37,876 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 12:35:37,955 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 117 treesize of output 132 [2018-11-18 12:35:37,975 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 12:35:37,975 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-11-18 12:35:38,025 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:35:38,114 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:35:38,201 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:35:38,312 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 2 xjuncts. [2018-11-18 12:35:38,312 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 5 variables, input treesize:235, output treesize:266 [2018-11-18 12:35:38,482 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-11-18 12:35:38,715 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:38,777 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:35:38,777 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:35:38,778 INFO L303 Elim1Store]: Index analysis took 286 ms [2018-11-18 12:35:38,779 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 248 treesize of output 237 [2018-11-18 12:35:38,779 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 12:36:01,386 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:36:01,411 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:36:01,437 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:36:01,438 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:36:01,439 INFO L303 Elim1Store]: Index analysis took 103 ms [2018-11-18 12:36:01,439 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 254 treesize of output 265 [2018-11-18 12:36:01,440 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:36:21,016 INFO L303 Elim1Store]: Index analysis took 134 ms [2018-11-18 12:36:21,017 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 243 treesize of output 209 [2018-11-18 12:36:21,061 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:36:21,063 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 48 [2018-11-18 12:36:21,063 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:36:21,530 INFO L303 Elim1Store]: Index analysis took 136 ms [2018-11-18 12:36:21,531 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 92 treesize of output 143 [2018-11-18 12:36:21,542 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 12:36:21,542 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 12:36:21,611 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:36:21,747 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 12:36:26,616 INFO L303 Elim1Store]: Index analysis took 540 ms [2018-11-18 12:36:26,616 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 237 treesize of output 205 [2018-11-18 12:36:26,646 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:36:26,648 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 30 treesize of output 51 [2018-11-18 12:36:26,648 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-18 12:36:27,192 INFO L303 Elim1Store]: Index analysis took 207 ms [2018-11-18 12:36:27,193 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 140 treesize of output 191 [2018-11-18 12:36:27,207 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 12:36:27,207 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-18 12:36:27,309 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:36:27,454 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:36:28,663 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 216 treesize of output 188 [2018-11-18 12:36:28,680 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:36:28,706 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 3 case distinctions, treesize of input 31 treesize of output 60 [2018-11-18 12:36:28,706 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-11-18 12:36:28,860 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 167 [2018-11-18 12:36:28,870 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 12:36:28,871 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-18 12:36:28,920 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:36:28,960 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 169 [2018-11-18 12:36:28,966 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 12:36:28,967 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-18 12:36:29,019 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:36:29,229 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:36:29,890 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 206 treesize of output 180 [2018-11-18 12:36:29,899 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:36:29,903 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 30 treesize of output 51 [2018-11-18 12:36:29,903 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-18 12:36:30,019 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 159 [2018-11-18 12:36:30,026 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 12:36:30,026 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-18 12:36:30,063 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:36:30,133 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 12:36:30,421 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-18 12:36:30,421 INFO L202 ElimStorePlain]: Needed 21 recursive calls to eliminate 9 variables, input treesize:503, output treesize:683 [2018-11-18 12:36:30,800 WARN L180 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-11-18 12:36:31,183 WARN L180 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-11-18 12:36:31,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:36:31,289 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:36:33,909 WARN L832 $PredicateComparison]: unable to prove that (and (forall ((v_prenex_8 (_ BitVec 32)) (v_prenex_7 (_ BitVec 32)) (v_prenex_6 (_ BitVec 32)) (v_prenex_5 (_ BitVec 32))) (or (not (= (select |c_#valid| v_prenex_7) (_ bv0 1))) (= (let ((.cse9 (bvadd v_prenex_8 (_ bv4 32)))) (let ((.cse3 (let ((.cse10 (store |c_#memory_$Pointer$.base| c_main_~x~0.base (store (select |c_#memory_$Pointer$.base| c_main_~x~0.base) c_main_~x~0.offset v_prenex_7)))) (store .cse10 v_prenex_7 (store (select .cse10 v_prenex_7) .cse9 c_main_~x~0.base))))) (let ((.cse4 (select (select .cse3 c_main_~x~0.base) c_main_~x~0.offset)) (.cse5 (bvadd v_prenex_6 (_ bv8 32))) (.cse1 (bvadd c_main_~head~0.offset (_ bv8 32)))) (select (let ((.cse0 (let ((.cse2 (store .cse3 .cse4 (store (store (select .cse3 .cse4) v_prenex_6 (_ bv0 32)) .cse5 v_prenex_5)))) (store .cse2 v_prenex_5 (store (select .cse2 v_prenex_5) (_ bv0 32) (_ bv0 32)))))) (select .cse0 (select (select .cse0 c_main_~head~0.base) .cse1))) (select (select (let ((.cse6 (let ((.cse7 (let ((.cse8 (store |c_#memory_$Pointer$.offset| c_main_~x~0.base (store (select |c_#memory_$Pointer$.offset| c_main_~x~0.base) c_main_~x~0.offset v_prenex_8)))) (store .cse8 v_prenex_7 (store (select .cse8 v_prenex_7) .cse9 c_main_~x~0.offset))))) (store .cse7 .cse4 (store (store (select .cse7 .cse4) v_prenex_6 (_ bv0 32)) .cse5 (_ bv0 32)))))) (store .cse6 v_prenex_5 (store (select .cse6 v_prenex_5) (_ bv0 32) (_ bv0 32)))) c_main_~head~0.base) .cse1))))) (_ bv0 32)) (not (= (select (store |c_#valid| v_prenex_7 (_ bv1 1)) v_prenex_5) (_ bv0 1))))) (forall ((v_main_~x~0.offset_22 (_ BitVec 32)) (|v_main_#t~malloc10.base_2| (_ BitVec 32)) (|v_main_#t~malloc6.base_2| (_ BitVec 32)) (|v_main_#t~malloc6.offset_2| (_ BitVec 32))) (or (= (let ((.cse20 (bvadd |v_main_#t~malloc6.offset_2| (_ bv4 32)))) (let ((.cse13 (let ((.cse21 (store |c_#memory_$Pointer$.base| c_main_~x~0.base (store (select |c_#memory_$Pointer$.base| c_main_~x~0.base) c_main_~x~0.offset |v_main_#t~malloc6.base_2|)))) (store .cse21 |v_main_#t~malloc6.base_2| (store (select .cse21 |v_main_#t~malloc6.base_2|) .cse20 c_main_~x~0.base))))) (let ((.cse14 (select (select .cse13 c_main_~x~0.base) c_main_~x~0.offset)) (.cse15 (bvadd v_main_~x~0.offset_22 (_ bv8 32)))) (let ((.cse11 (let ((.cse17 (let ((.cse18 (let ((.cse19 (store |c_#memory_$Pointer$.offset| c_main_~x~0.base (store (select |c_#memory_$Pointer$.offset| c_main_~x~0.base) c_main_~x~0.offset |v_main_#t~malloc6.offset_2|)))) (store .cse19 |v_main_#t~malloc6.base_2| (store (select .cse19 |v_main_#t~malloc6.base_2|) .cse20 c_main_~x~0.offset))))) (store .cse18 .cse14 (store (store (select .cse18 .cse14) v_main_~x~0.offset_22 (_ bv0 32)) .cse15 (_ bv0 32)))))) (store .cse17 |v_main_#t~malloc10.base_2| (store (select .cse17 |v_main_#t~malloc10.base_2|) (_ bv0 32) (_ bv0 32))))) (.cse16 (bvadd c_main_~head~0.offset (_ bv8 32)))) (select (select .cse11 (select (select (let ((.cse12 (store .cse13 .cse14 (store (store (select .cse13 .cse14) v_main_~x~0.offset_22 (_ bv0 32)) .cse15 |v_main_#t~malloc10.base_2|)))) (store .cse12 |v_main_#t~malloc10.base_2| (store (select .cse12 |v_main_#t~malloc10.base_2|) (_ bv0 32) (_ bv0 32)))) c_main_~head~0.base) .cse16)) (select (select .cse11 c_main_~head~0.base) .cse16)))))) (_ bv0 32)) (not (= (_ bv0 1) (select (store |c_#valid| |v_main_#t~malloc6.base_2| (_ bv1 1)) |v_main_#t~malloc10.base_2|))) (not (= (select |c_#valid| |v_main_#t~malloc6.base_2|) (_ bv0 1)))))) is different from false [2018-11-18 12:36:36,265 WARN L832 $PredicateComparison]: unable to prove that (and (forall ((v_main_~x~0.offset_22 (_ BitVec 32)) (|v_main_#t~malloc10.base_2| (_ BitVec 32)) (|v_main_#t~malloc6.base_2| (_ BitVec 32)) (|v_main_#t~malloc6.offset_2| (_ BitVec 32))) (or (not (= (_ bv0 1) (select (store |c_#valid| |v_main_#t~malloc6.base_2| (_ bv1 1)) |v_main_#t~malloc10.base_2|))) (= (_ bv0 32) (let ((.cse9 (bvadd |v_main_#t~malloc6.offset_2| (_ bv4 32)))) (let ((.cse2 (let ((.cse10 (store |c_#memory_$Pointer$.base| c_main_~head~0.base (store (select |c_#memory_$Pointer$.base| c_main_~head~0.base) c_main_~head~0.offset |v_main_#t~malloc6.base_2|)))) (store .cse10 |v_main_#t~malloc6.base_2| (store (select .cse10 |v_main_#t~malloc6.base_2|) .cse9 c_main_~head~0.base))))) (let ((.cse3 (select (select .cse2 c_main_~head~0.base) c_main_~head~0.offset)) (.cse4 (bvadd v_main_~x~0.offset_22 (_ bv8 32)))) (let ((.cse0 (let ((.cse6 (let ((.cse7 (let ((.cse8 (store |c_#memory_$Pointer$.offset| c_main_~head~0.base (store (select |c_#memory_$Pointer$.offset| c_main_~head~0.base) c_main_~head~0.offset |v_main_#t~malloc6.offset_2|)))) (store .cse8 |v_main_#t~malloc6.base_2| (store (select .cse8 |v_main_#t~malloc6.base_2|) .cse9 c_main_~head~0.offset))))) (store .cse7 .cse3 (store (store (select .cse7 .cse3) v_main_~x~0.offset_22 (_ bv0 32)) .cse4 (_ bv0 32)))))) (store .cse6 |v_main_#t~malloc10.base_2| (store (select .cse6 |v_main_#t~malloc10.base_2|) (_ bv0 32) (_ bv0 32))))) (.cse5 (bvadd c_main_~head~0.offset (_ bv8 32)))) (select (select .cse0 (select (select (let ((.cse1 (store .cse2 .cse3 (store (store (select .cse2 .cse3) v_main_~x~0.offset_22 (_ bv0 32)) .cse4 |v_main_#t~malloc10.base_2|)))) (store .cse1 |v_main_#t~malloc10.base_2| (store (select .cse1 |v_main_#t~malloc10.base_2|) (_ bv0 32) (_ bv0 32)))) c_main_~head~0.base) .cse5)) (select (select .cse0 c_main_~head~0.base) .cse5))))))) (not (= (select |c_#valid| |v_main_#t~malloc6.base_2|) (_ bv0 1))))) (forall ((v_prenex_8 (_ BitVec 32)) (v_prenex_7 (_ BitVec 32)) (v_prenex_6 (_ BitVec 32)) (v_prenex_5 (_ BitVec 32))) (or (= (let ((.cse20 (bvadd v_prenex_8 (_ bv4 32)))) (let ((.cse14 (let ((.cse21 (store |c_#memory_$Pointer$.base| c_main_~head~0.base (store (select |c_#memory_$Pointer$.base| c_main_~head~0.base) c_main_~head~0.offset v_prenex_7)))) (store .cse21 v_prenex_7 (store (select .cse21 v_prenex_7) .cse20 c_main_~head~0.base))))) (let ((.cse15 (select (select .cse14 c_main_~head~0.base) c_main_~head~0.offset)) (.cse16 (bvadd v_prenex_6 (_ bv8 32))) (.cse12 (bvadd c_main_~head~0.offset (_ bv8 32)))) (select (let ((.cse11 (let ((.cse13 (store .cse14 .cse15 (store (store (select .cse14 .cse15) v_prenex_6 (_ bv0 32)) .cse16 v_prenex_5)))) (store .cse13 v_prenex_5 (store (select .cse13 v_prenex_5) (_ bv0 32) (_ bv0 32)))))) (select .cse11 (select (select .cse11 c_main_~head~0.base) .cse12))) (select (select (let ((.cse17 (let ((.cse18 (let ((.cse19 (store |c_#memory_$Pointer$.offset| c_main_~head~0.base (store (select |c_#memory_$Pointer$.offset| c_main_~head~0.base) c_main_~head~0.offset v_prenex_8)))) (store .cse19 v_prenex_7 (store (select .cse19 v_prenex_7) .cse20 c_main_~head~0.offset))))) (store .cse18 .cse15 (store (store (select .cse18 .cse15) v_prenex_6 (_ bv0 32)) .cse16 (_ bv0 32)))))) (store .cse17 v_prenex_5 (store (select .cse17 v_prenex_5) (_ bv0 32) (_ bv0 32)))) c_main_~head~0.base) .cse12))))) (_ bv0 32)) (not (= (select |c_#valid| v_prenex_7) (_ bv0 1))) (not (= (select (store |c_#valid| v_prenex_7 (_ bv1 1)) v_prenex_5) (_ bv0 1)))))) is different from false [2018-11-18 12:36:38,088 INFO L303 Elim1Store]: Index analysis took 1124 ms [2018-11-18 12:36:38,089 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 3509 treesize of output 3200 [2018-11-18 12:36:38,155 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 11 treesize of output 10 [2018-11-18 12:36:38,155 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 12:36:41,017 INFO L303 Elim1Store]: Index analysis took 747 ms [2018-11-18 12:36:43,258 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 3172 treesize of output 3070 [2018-11-18 12:36:43,340 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 3056 treesize of output 3055 [2018-11-18 12:36:43,340 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 12:37:09,989 INFO L303 Elim1Store]: Index analysis took 401 ms [2018-11-18 12:37:09,989 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 3055 treesize of output 3056 [2018-11-18 12:37:09,990 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 12:37:41,331 INFO L303 Elim1Store]: Index analysis took 2348 ms [2018-11-18 12:37:42,447 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 3055 treesize of output 3013 [2018-11-18 12:37:42,559 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:37:42,916 INFO L303 Elim1Store]: Index analysis took 466 ms [2018-11-18 12:37:42,916 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 2999 treesize of output 3014 [2018-11-18 12:37:42,917 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 12:37:58,850 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:37:59,129 INFO L303 Elim1Store]: Index analysis took 474 ms [2018-11-18 12:37:59,705 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 2 case distinctions, treesize of input 2997 treesize of output 3010 [2018-11-18 12:37:59,705 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-11-18 12:38:24,059 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:24,498 INFO L303 Elim1Store]: Index analysis took 491 ms [2018-11-18 12:38:25,043 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 3009 treesize of output 2998 [2018-11-18 12:38:33,086 WARN L180 SmtUtils]: Spent 8.04 s on a formula simplification. DAG size of input: 163 DAG size of output: 133 [2018-11-18 12:38:33,106 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 2681 treesize of output 2680 [2018-11-18 12:38:33,106 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-18 12:38:37,696 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:37,823 INFO L303 Elim1Store]: Index analysis took 139 ms [2018-11-18 12:38:38,549 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 2830 treesize of output 2854 [2018-11-18 12:38:38,550 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 4 xjuncts. [2018-11-18 12:38:44,630 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:44,638 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:38:44,638 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:44,647 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:38:44,914 INFO L303 Elim1Store]: Index analysis took 294 ms [2018-11-18 12:38:44,914 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2677 treesize of output 2690 [2018-11-18 12:38:46,901 WARN L180 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2018-11-18 12:38:46,932 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:47,016 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 165 treesize of output 178 [2018-11-18 12:38:47,064 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:47,075 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:47,076 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:47,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 171 treesize of output 626 [2018-11-18 12:38:47,217 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-11-18 12:38:47,576 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:47,577 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 166 treesize of output 316 [2018-11-18 12:38:47,577 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 12:38:47,777 INFO L267 ElimStorePlain]: Start of recursive call 14: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 12:38:48,635 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:48,636 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:48,714 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 2666 treesize of output 2663 [2018-11-18 12:38:48,729 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:48,743 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 2340 treesize of output 2327 [2018-11-18 12:38:48,744 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-18 12:38:48,902 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:48,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-11-18 12:38:48,903 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-18 12:38:48,982 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 1 [2018-11-18 12:38:48,982 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-18 12:38:49,033 INFO L267 ElimStorePlain]: Start of recursive call 17: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:38:49,044 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:49,044 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:49,093 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 2810 treesize of output 2663 [2018-11-18 12:38:50,531 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:50,561 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:50,561 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:50,563 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:50,564 INFO L303 Elim1Store]: Index analysis took 1470 ms [2018-11-18 12:38:50,565 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 23 treesize of output 21 [2018-11-18 12:38:50,565 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-18 12:38:50,729 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 8 treesize of output 1 [2018-11-18 12:38:50,730 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-18 12:38:50,834 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:50,852 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 2340 treesize of output 2327 [2018-11-18 12:38:50,853 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-18 12:38:50,927 INFO L267 ElimStorePlain]: Start of recursive call 21: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:38:50,939 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:50,940 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:50,996 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 2666 treesize of output 2663 [2018-11-18 12:38:51,022 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:51,064 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 2340 treesize of output 2327 [2018-11-18 12:38:51,064 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-18 12:38:51,196 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:51,198 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 7 [2018-11-18 12:38:51,198 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-18 12:38:51,281 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 8 treesize of output 1 [2018-11-18 12:38:51,281 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-11-18 12:38:51,330 INFO L267 ElimStorePlain]: Start of recursive call 25: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:38:51,513 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 12:38:55,746 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:38:55,746 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:55,841 INFO L303 Elim1Store]: Index analysis took 113 ms [2018-11-18 12:38:55,841 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 2833 treesize of output 2691 [2018-11-18 12:38:56,624 WARN L180 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2018-11-18 12:38:56,744 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:56,745 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:56,755 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:57,134 INFO L303 Elim1Store]: Index analysis took 509 ms [2018-11-18 12:38:58,018 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 2515 treesize of output 2547 [2018-11-18 12:38:58,073 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:58,083 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:58,084 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:58,202 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:58,274 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:38:58,275 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:38:58,753 INFO L303 Elim1Store]: Index analysis took 730 ms [2018-11-18 12:38:59,404 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 2 case distinctions, treesize of input 2535 treesize of output 3134 [2018-11-18 12:38:59,405 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 2 xjuncts. [2018-11-18 12:39:03,123 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:03,124 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:03,125 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:03,126 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:03,127 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 2511 treesize of output 3251 [2018-11-18 12:39:03,127 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-18 12:39:04,542 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:04,879 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:04,880 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:04,939 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:04,942 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:05,239 INFO L303 Elim1Store]: Index analysis took 743 ms [2018-11-18 12:39:06,769 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 2515 treesize of output 3270 [2018-11-18 12:39:06,770 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 4 xjuncts. [2018-11-18 12:39:09,445 INFO L267 ElimStorePlain]: Start of recursive call 30: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 12:39:10,488 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:10,506 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 3103 treesize of output 2524 [2018-11-18 12:39:11,297 WARN L180 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2018-11-18 12:39:11,311 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:39:11,313 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:11,314 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:11,315 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:11,316 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 2356 treesize of output 2351 [2018-11-18 12:39:11,316 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-11-18 12:39:11,389 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:11,390 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 5 [2018-11-18 12:39:11,390 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-11-18 12:39:11,430 INFO L267 ElimStorePlain]: Start of recursive call 34: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:39:11,485 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:11,538 INFO L303 Elim1Store]: Index analysis took 107 ms [2018-11-18 12:39:11,538 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 2953 treesize of output 2518 [2018-11-18 12:39:12,360 WARN L180 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2018-11-18 12:39:12,398 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:14,404 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (bvadd v_prenex_6 (_ bv8 32)) main_~head~0.offset) [2018-11-18 12:39:14,430 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:14,480 INFO L303 Elim1Store]: Index analysis took 2119 ms [2018-11-18 12:39:14,563 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 2348 treesize of output 2344 [2018-11-18 12:39:14,563 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 2 xjuncts. [2018-11-18 12:39:14,898 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 15 treesize of output 1 [2018-11-18 12:39:14,898 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-11-18 12:39:14,939 INFO L267 ElimStorePlain]: Start of recursive call 37: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:39:14,966 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:15,010 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 3247 treesize of output 2524 [2018-11-18 12:39:16,212 WARN L180 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2018-11-18 12:39:16,262 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:16,263 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:16,272 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:16,276 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:16,344 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:16,344 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:16,424 INFO L303 Elim1Store]: Index analysis took 210 ms [2018-11-18 12:39:16,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 2362 treesize of output 2386 [2018-11-18 12:39:16,961 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 2 xjuncts. [2018-11-18 12:39:17,584 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 15 treesize of output 1 [2018-11-18 12:39:17,584 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-11-18 12:39:17,783 INFO L267 ElimStorePlain]: Start of recursive call 40: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:39:18,541 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-18 12:39:18,586 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:39:18,586 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:18,600 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:18,666 INFO L303 Elim1Store]: Index analysis took 124 ms [2018-11-18 12:39:18,667 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 2831 treesize of output 2696 [2018-11-18 12:39:20,609 WARN L180 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2018-11-18 12:39:20,630 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:20,826 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:20,826 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:20,876 INFO L303 Elim1Store]: Index analysis took 266 ms [2018-11-18 12:39:21,382 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 2 case distinctions, treesize of input 2507 treesize of output 2527 [2018-11-18 12:39:21,879 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:21,915 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:22,060 INFO L303 Elim1Store]: Index analysis took 675 ms [2018-11-18 12:39:22,564 INFO L477 Elim1Store]: Elim1 did not use 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 0 new quantified variables, introduced 3 case distinctions, treesize of input 2520 treesize of output 3107 [2018-11-18 12:39:22,564 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 2 xjuncts. [2018-11-18 12:39:24,879 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:24,880 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:24,880 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:24,936 INFO L303 Elim1Store]: Index analysis took 193 ms [2018-11-18 12:39:24,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 474 [2018-11-18 12:39:24,937 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-11-18 12:39:25,881 INFO L267 ElimStorePlain]: Start of recursive call 44: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 12:39:25,905 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:25,959 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:25,960 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:25,991 INFO L303 Elim1Store]: Index analysis took 109 ms [2018-11-18 12:39:26,136 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 2 case distinctions, treesize of input 174 treesize of output 197 [2018-11-18 12:39:26,176 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:26,177 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:26,225 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 188 treesize of output 631 [2018-11-18 12:39:26,225 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-11-18 12:39:26,702 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:26,703 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:29,602 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (bvadd v_prenex_8 (_ bv4 32)) (bvadd v_prenex_6 (_ bv8 32))) [2018-11-18 12:39:29,610 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:29,611 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:29,696 INFO L303 Elim1Store]: Index analysis took 3041 ms [2018-11-18 12:39:30,024 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 5 case distinctions, treesize of input 174 treesize of output 637 [2018-11-18 12:39:30,025 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 4 xjuncts. [2018-11-18 12:39:30,714 INFO L267 ElimStorePlain]: Start of recursive call 47: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 12:39:31,672 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:39:31,673 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:31,735 INFO L303 Elim1Store]: Index analysis took 107 ms [2018-11-18 12:39:31,735 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2806 treesize of output 2517 [2018-11-18 12:39:31,756 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:31,757 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:31,757 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:31,763 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:39:31,764 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:31,790 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 2348 treesize of output 2352 [2018-11-18 12:39:31,791 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-11-18 12:39:32,091 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2018-11-18 12:39:32,091 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-11-18 12:39:32,148 INFO L267 ElimStorePlain]: Start of recursive call 50: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:39:32,168 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:39:32,168 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:32,204 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2806 treesize of output 2517 [2018-11-18 12:39:32,225 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:32,232 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:39:32,233 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:32,233 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:32,265 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 2348 treesize of output 2347 [2018-11-18 12:39:32,265 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-11-18 12:39:32,369 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 15 treesize of output 1 [2018-11-18 12:39:32,369 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-11-18 12:39:32,420 INFO L267 ElimStorePlain]: Start of recursive call 53: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:39:32,438 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:39:32,438 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:32,453 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:32,455 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2950 treesize of output 2520 [2018-11-18 12:39:32,559 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:32,560 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:32,560 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:33,534 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:39:35,537 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (bvadd v_prenex_8 (_ bv4 32)) (bvadd v_prenex_6 (_ bv8 32))) [2018-11-18 12:39:37,545 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (bvadd main_~head~0.offset (_ bv8 32)) v_prenex_6) [2018-11-18 12:39:37,551 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:37,552 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:37,584 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:37,622 INFO L303 Elim1Store]: Index analysis took 5165 ms [2018-11-18 12:39:37,975 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 2 new quantified variables, introduced 8 case distinctions, treesize of input 2357 treesize of output 2426 [2018-11-18 12:39:37,976 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-18 12:39:37,987 INFO L267 ElimStorePlain]: Start of recursive call 57: 20 dim-0 vars, End of recursive call: 20 dim-0 vars, and 24 xjuncts. [2018-11-18 12:39:38,774 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 15 treesize of output 1 [2018-11-18 12:39:38,774 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-11-18 12:39:39,158 INFO L267 ElimStorePlain]: Start of recursive call 56: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 12:39:39,638 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:39:39,656 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:39:39,657 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:39,752 INFO L303 Elim1Store]: Index analysis took 113 ms [2018-11-18 12:39:39,753 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 2831 treesize of output 2691 [2018-11-18 12:39:40,921 WARN L180 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2018-11-18 12:39:41,011 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:41,059 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:41,132 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:39:41,324 INFO L303 Elim1Store]: Index analysis took 402 ms [2018-11-18 12:39:41,324 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 186 [2018-11-18 12:39:41,355 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:41,356 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:41,403 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 168 treesize of output 474 [2018-11-18 12:39:41,404 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-11-18 12:39:41,602 INFO L267 ElimStorePlain]: Start of recursive call 60: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:39:42,280 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:39:42,280 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:42,415 INFO L303 Elim1Store]: Index analysis took 179 ms [2018-11-18 12:39:42,415 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2802 treesize of output 2513 [2018-11-18 12:39:42,441 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:44,444 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (bvadd v_prenex_8 (_ bv4 32)) (bvadd v_prenex_6 (_ bv8 32))) [2018-11-18 12:39:44,492 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:39:44,586 INFO L303 Elim1Store]: Index analysis took 2169 ms [2018-11-18 12:39:44,828 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 2350 treesize of output 2348 [2018-11-18 12:39:44,829 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 2 xjuncts. [2018-11-18 12:39:45,308 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 15 treesize of output 1 [2018-11-18 12:39:45,308 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-11-18 12:39:45,323 INFO L267 ElimStorePlain]: Start of recursive call 62: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:39:45,503 INFO L267 ElimStorePlain]: Start of recursive call 59: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:39:48,994 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-18 12:39:59,325 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:00,198 INFO L303 Elim1Store]: Index analysis took 1064 ms [2018-11-18 12:40:01,647 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 2999 treesize of output 2990 [2018-11-18 12:40:17,334 WARN L180 SmtUtils]: Spent 15.68 s on a formula simplification. DAG size of input: 150 DAG size of output: 123 [2018-11-18 12:40:17,372 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 2679 treesize of output 2678 [2018-11-18 12:40:17,372 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-11-18 12:40:22,170 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:22,183 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:40:22,183 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:22,245 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:22,723 INFO L303 Elim1Store]: Index analysis took 574 ms [2018-11-18 12:40:22,742 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 2675 treesize of output 2687 [2018-11-18 12:40:24,200 WARN L180 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2018-11-18 12:40:24,344 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 165 treesize of output 175 [2018-11-18 12:40:24,565 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:24,674 INFO L303 Elim1Store]: Index analysis took 328 ms [2018-11-18 12:40:24,873 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 3 case distinctions, treesize of input 168 treesize of output 469 [2018-11-18 12:40:24,874 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 2 xjuncts. [2018-11-18 12:40:25,397 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:25,398 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 166 treesize of output 316 [2018-11-18 12:40:25,399 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-11-18 12:40:25,785 INFO L267 ElimStorePlain]: Start of recursive call 68: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 12:40:26,382 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:26,419 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:26,585 INFO L303 Elim1Store]: Index analysis took 253 ms [2018-11-18 12:40:26,704 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 1 case distinctions, treesize of input 2667 treesize of output 2667 [2018-11-18 12:40:29,675 WARN L180 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2018-11-18 12:40:29,696 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 2647 treesize of output 2635 [2018-11-18 12:40:29,697 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-11-18 12:40:30,123 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:30,320 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 2366 treesize of output 2355 [2018-11-18 12:40:30,320 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 2 xjuncts. [2018-11-18 12:40:30,763 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:30,764 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 2345 treesize of output 2336 [2018-11-18 12:40:30,764 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2018-11-18 12:40:31,122 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:31,123 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 2346 treesize of output 2337 [2018-11-18 12:40:31,123 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2018-11-18 12:40:31,143 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:31,144 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 2345 treesize of output 2336 [2018-11-18 12:40:31,144 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-11-18 12:40:31,372 INFO L267 ElimStorePlain]: Start of recursive call 71: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:40:31,402 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:31,417 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:31,526 INFO L303 Elim1Store]: Index analysis took 153 ms [2018-11-18 12:40:31,699 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 1 case distinctions, treesize of input 2811 treesize of output 2667 [2018-11-18 12:40:36,268 WARN L180 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2018-11-18 12:40:36,316 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:36,346 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:36,346 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:36,349 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:36,350 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 2649 treesize of output 2647 [2018-11-18 12:40:36,350 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2018-11-18 12:40:36,782 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:36,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 2368 treesize of output 2361 [2018-11-18 12:40:36,963 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 2 xjuncts. [2018-11-18 12:40:37,611 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 2349 treesize of output 2337 [2018-11-18 12:40:37,612 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-11-18 12:40:38,298 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:38,300 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 2351 treesize of output 2342 [2018-11-18 12:40:38,300 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-11-18 12:40:38,363 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:38,417 INFO L303 Elim1Store]: Index analysis took 116 ms [2018-11-18 12:40:38,911 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 2348 treesize of output 2353 [2018-11-18 12:40:38,912 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 2 xjuncts. [2018-11-18 12:40:39,265 INFO L267 ElimStorePlain]: Start of recursive call 77: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:40:39,287 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:39,316 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:39,443 INFO L303 Elim1Store]: Index analysis took 177 ms [2018-11-18 12:40:39,566 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 1 case distinctions, treesize of input 2667 treesize of output 2667 [2018-11-18 12:40:41,482 WARN L180 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2018-11-18 12:40:41,522 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:41,649 INFO L303 Elim1Store]: Index analysis took 166 ms [2018-11-18 12:40:41,802 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 2658 treesize of output 2647 [2018-11-18 12:40:41,802 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 2 xjuncts. [2018-11-18 12:40:42,393 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:42,394 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 2348 treesize of output 2339 [2018-11-18 12:40:42,394 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-11-18 12:40:42,409 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:42,411 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 2347 treesize of output 2338 [2018-11-18 12:40:42,411 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2018-11-18 12:40:43,019 INFO L267 ElimStorePlain]: Start of recursive call 83: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:40:43,331 INFO L267 ElimStorePlain]: Start of recursive call 67: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:40:45,907 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:40:45,907 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:46,090 INFO L303 Elim1Store]: Index analysis took 203 ms [2018-11-18 12:40:46,091 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 2821 treesize of output 2683 [2018-11-18 12:40:47,445 WARN L180 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2018-11-18 12:40:47,465 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:40:47,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2515 treesize of output 2512 [2018-11-18 12:40:47,521 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:47,699 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 2 case distinctions, treesize of input 2356 treesize of output 2369 [2018-11-18 12:40:47,726 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:48,085 INFO L303 Elim1Store]: Index analysis took 384 ms [2018-11-18 12:40:49,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 2364 treesize of output 2398 [2018-11-18 12:40:49,290 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:49,290 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:49,310 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:49,310 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:49,311 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:49,312 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:49,351 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:40:49,383 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:40:49,415 INFO L303 Elim1Store]: Index analysis took 136 ms [2018-11-18 12:40:49,416 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2371 treesize of output 2397 [2018-11-18 12:40:50,545 WARN L180 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2018-11-18 12:40:50,599 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:50,648 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:50,648 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:50,652 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:50,725 INFO L303 Elim1Store]: Index analysis took 179 ms [2018-11-18 12:40:50,726 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 2352 treesize of output 2362 [2018-11-18 12:40:50,726 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2018-11-18 12:40:50,854 INFO L267 ElimStorePlain]: Start of recursive call 91: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:40:53,124 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:53,125 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:53,138 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:53,151 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:53,151 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:53,171 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:53,203 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:40:53,305 INFO L303 Elim1Store]: Index analysis took 228 ms [2018-11-18 12:40:53,337 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 2362 treesize of output 2393 [2018-11-18 12:40:59,467 WARN L180 SmtUtils]: Spent 6.13 s on a formula simplification. DAG size of input: 68 DAG size of output: 59 [2018-11-18 12:40:59,520 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:59,520 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:59,521 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:59,521 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:40:59,613 INFO L303 Elim1Store]: Index analysis took 145 ms [2018-11-18 12:40:59,818 INFO L477 Elim1Store]: Elim1 did not use 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 0 new quantified variables, introduced 1 case distinctions, treesize of input 2352 treesize of output 2358 [2018-11-18 12:40:59,819 INFO L267 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 2 xjuncts. [2018-11-18 12:41:00,287 INFO L267 ElimStorePlain]: Start of recursive call 93: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:41:07,012 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:07,012 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:07,031 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:07,073 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:41:07,130 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:07,131 INFO L303 Elim1Store]: Index analysis took 167 ms [2018-11-18 12:41:07,132 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2359 treesize of output 2384 [2018-11-18 12:41:08,964 WARN L180 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 66 DAG size of output: 55 [2018-11-18 12:41:09,017 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:09,018 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:09,063 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:09,064 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 2346 treesize of output 2348 [2018-11-18 12:41:09,065 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2018-11-18 12:41:09,233 INFO L267 ElimStorePlain]: Start of recursive call 95: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:41:10,165 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:10,165 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:10,166 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:10,166 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:10,188 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:10,191 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:41:10,467 INFO L477 Elim1Store]: Elim1 did not use 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 2366 treesize of output 2397 [2018-11-18 12:41:15,158 WARN L180 SmtUtils]: Spent 4.69 s on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2018-11-18 12:41:15,175 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:15,175 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:15,176 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:15,176 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:15,176 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:15,185 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:41:15,186 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 2360 treesize of output 2363 [2018-11-18 12:41:15,186 INFO L267 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 1 xjuncts. [2018-11-18 12:41:15,452 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:15,452 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:15,459 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:41:15,459 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:15,460 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:15,474 INFO L477 Elim1Store]: Elim1 did not use 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 2365 treesize of output 2361 [2018-11-18 12:41:15,475 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 1 xjuncts. [2018-11-18 12:41:15,646 INFO L267 ElimStorePlain]: Start of recursive call 97: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:41:16,996 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:16,997 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:16,999 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:17,000 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:17,000 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:17,021 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:41:17,061 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:17,062 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:17,063 INFO L477 Elim1Store]: Elim1 did not use 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 2362 treesize of output 2400 [2018-11-18 12:41:18,018 WARN L180 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2018-11-18 12:41:18,081 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:18,082 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:18,082 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:18,176 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:18,184 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:18,185 INFO L303 Elim1Store]: Index analysis took 166 ms [2018-11-18 12:41:18,185 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 2346 treesize of output 2351 [2018-11-18 12:41:18,186 INFO L267 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2018-11-18 12:41:18,280 INFO L267 ElimStorePlain]: Start of recursive call 100: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:41:20,765 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:20,765 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:20,833 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:20,843 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:20,851 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:20,865 INFO L303 Elim1Store]: Index analysis took 110 ms [2018-11-18 12:41:21,537 INFO L477 Elim1Store]: Elim1 did not use 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 2362 treesize of output 2393 [2018-11-18 12:41:25,998 WARN L180 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2018-11-18 12:41:26,014 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:26,047 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:26,058 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:41:26,059 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:26,059 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:26,068 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:26,083 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 2361 treesize of output 2360 [2018-11-18 12:41:26,083 INFO L267 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 1 xjuncts. [2018-11-18 12:41:26,392 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:26,392 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:26,393 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:26,434 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:41:26,435 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:26,468 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 2361 treesize of output 2359 [2018-11-18 12:41:26,469 INFO L267 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 1 xjuncts. [2018-11-18 12:41:26,784 INFO L267 ElimStorePlain]: Start of recursive call 102: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:41:28,902 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:28,912 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:28,912 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:28,913 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:28,913 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:29,157 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 2362 treesize of output 2393 [2018-11-18 12:41:32,433 WARN L180 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 84 DAG size of output: 71 [2018-11-18 12:41:32,452 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:32,452 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:32,464 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:41:32,465 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:32,466 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 2356 treesize of output 2357 [2018-11-18 12:41:32,466 INFO L267 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 1 xjuncts. [2018-11-18 12:41:32,660 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:32,660 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:32,661 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:32,663 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:41:32,664 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:32,664 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:32,664 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:32,665 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:32,666 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 2358 treesize of output 2369 [2018-11-18 12:41:32,666 INFO L267 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 1 xjuncts. [2018-11-18 12:41:32,811 INFO L267 ElimStorePlain]: Start of recursive call 105: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:41:33,905 INFO L267 ElimStorePlain]: Start of recursive call 90: 16 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 12:41:34,790 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:34,881 INFO L303 Elim1Store]: Index analysis took 107 ms [2018-11-18 12:41:35,556 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 2353 treesize of output 2377 [2018-11-18 12:41:35,579 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:35,666 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:35,666 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:35,708 INFO L303 Elim1Store]: Index analysis took 149 ms [2018-11-18 12:41:36,001 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 2 case distinctions, treesize of input 2361 treesize of output 2384 [2018-11-18 12:41:38,874 WARN L180 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2018-11-18 12:41:38,893 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:38,894 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:38,960 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:41:39,034 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:39,080 INFO L303 Elim1Store]: Index analysis took 205 ms [2018-11-18 12:41:39,230 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 2 case distinctions, treesize of input 2355 treesize of output 2362 [2018-11-18 12:41:39,230 INFO L267 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 2 xjuncts. [2018-11-18 12:41:39,804 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:39,805 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:39,835 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:41:39,881 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 2350 treesize of output 2348 [2018-11-18 12:41:39,881 INFO L267 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 1 xjuncts. [2018-11-18 12:41:40,160 INFO L267 ElimStorePlain]: Start of recursive call 109: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:41:40,612 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:40,614 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:40,687 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:41:40,703 INFO L303 Elim1Store]: Index analysis took 101 ms [2018-11-18 12:41:40,704 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2356 treesize of output 2369 [2018-11-18 12:41:41,681 WARN L180 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2018-11-18 12:41:41,716 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:41,738 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 2340 treesize of output 2335 [2018-11-18 12:41:41,738 INFO L267 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 1 xjuncts. [2018-11-18 12:41:41,804 INFO L267 ElimStorePlain]: Start of recursive call 112: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:41:42,291 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:42,291 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:42,301 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:42,416 INFO L303 Elim1Store]: Index analysis took 270 ms [2018-11-18 12:41:42,872 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 2356 treesize of output 2391 [2018-11-18 12:41:51,828 WARN L180 SmtUtils]: Spent 8.95 s on a formula simplification. DAG size of input: 113 DAG size of output: 105 [2018-11-18 12:41:51,850 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:51,850 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:51,861 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:41:51,863 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:51,864 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 2356 treesize of output 2349 [2018-11-18 12:41:51,864 INFO L267 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 1 xjuncts. [2018-11-18 12:41:52,605 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:52,629 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:52,630 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:52,668 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 2358 treesize of output 2339 [2018-11-18 12:41:52,669 INFO L267 ElimStorePlain]: Start of recursive call 116: End of recursive call: and 1 xjuncts. [2018-11-18 12:41:52,992 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:53,015 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:53,043 INFO L303 Elim1Store]: Index analysis took 133 ms [2018-11-18 12:41:53,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 2348 treesize of output 2344 [2018-11-18 12:41:53,257 INFO L267 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 2 xjuncts. [2018-11-18 12:41:53,470 INFO L267 ElimStorePlain]: Start of recursive call 114: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:41:54,069 INFO L267 ElimStorePlain]: Start of recursive call 108: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:41:54,406 INFO L267 ElimStorePlain]: Start of recursive call 89: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:41:54,678 INFO L267 ElimStorePlain]: Start of recursive call 88: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:41:54,715 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:41:54,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 4858 treesize of output 4853 [2018-11-18 12:41:54,831 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:54,876 INFO L303 Elim1Store]: Index analysis took 103 ms [2018-11-18 12:41:55,227 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 2 case distinctions, treesize of input 4700 treesize of output 4710 [2018-11-18 12:41:55,251 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:55,525 INFO L303 Elim1Store]: Index analysis took 295 ms [2018-11-18 12:41:55,727 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 2 case distinctions, treesize of input 4703 treesize of output 4708 [2018-11-18 12:41:55,736 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:55,737 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:55,741 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:41:55,747 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:41:55,748 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4701 treesize of output 4719 [2018-11-18 12:41:56,607 WARN L180 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2018-11-18 12:41:56,627 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:56,627 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:56,627 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:56,629 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 2356 treesize of output 2378 [2018-11-18 12:41:57,387 WARN L180 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2018-11-18 12:41:57,394 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:57,394 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:57,395 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:57,395 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 2358 treesize of output 2347 [2018-11-18 12:41:57,396 INFO L267 ElimStorePlain]: Start of recursive call 123: End of recursive call: and 1 xjuncts. [2018-11-18 12:41:57,448 INFO L267 ElimStorePlain]: Start of recursive call 122: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:41:57,496 INFO L267 ElimStorePlain]: Start of recursive call 121: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:41:57,686 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:57,686 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:57,686 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:57,737 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2363 treesize of output 2379 [2018-11-18 12:41:57,817 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:57,836 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:57,837 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:41:57,967 INFO L303 Elim1Store]: Index analysis took 229 ms [2018-11-18 12:41:58,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 2362 treesize of output 2401 [2018-11-18 12:42:00,294 WARN L180 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 87 DAG size of output: 80 [2018-11-18 12:42:00,302 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:00,308 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:42:00,309 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:00,309 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:00,310 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 2371 treesize of output 2362 [2018-11-18 12:42:00,310 INFO L267 ElimStorePlain]: Start of recursive call 126: End of recursive call: and 1 xjuncts. [2018-11-18 12:42:00,437 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:00,438 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:00,736 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:00,736 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:01,141 INFO L303 Elim1Store]: Index analysis took 725 ms [2018-11-18 12:42:01,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 2362 treesize of output 2356 [2018-11-18 12:42:01,142 INFO L267 ElimStorePlain]: Start of recursive call 127: End of recursive call: and 1 xjuncts. [2018-11-18 12:42:01,226 INFO L267 ElimStorePlain]: Start of recursive call 125: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:42:01,274 INFO L267 ElimStorePlain]: Start of recursive call 124: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:42:01,362 INFO L267 ElimStorePlain]: Start of recursive call 120: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:42:01,532 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:01,649 INFO L303 Elim1Store]: Index analysis took 128 ms [2018-11-18 12:42:02,955 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 7 case distinctions, treesize of input 4700 treesize of output 4734 [2018-11-18 12:42:02,965 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-18 12:42:02,966 INFO L267 ElimStorePlain]: Start of recursive call 129: End of recursive call: and 1 xjuncts. [2018-11-18 12:42:09,331 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:09,331 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:09,342 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:09,343 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:09,343 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:09,344 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:09,376 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:42:09,406 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:42:09,438 INFO L303 Elim1Store]: Index analysis took 116 ms [2018-11-18 12:42:09,438 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2369 treesize of output 2400 [2018-11-18 12:42:09,453 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:09,485 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:09,485 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:09,794 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 2360 treesize of output 2406 [2018-11-18 12:42:12,949 WARN L180 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2018-11-18 12:42:12,957 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:12,958 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:12,958 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:12,958 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:12,958 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:12,959 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:12,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 2364 treesize of output 2362 [2018-11-18 12:42:12,960 INFO L267 ElimStorePlain]: Start of recursive call 132: End of recursive call: and 1 xjuncts. [2018-11-18 12:42:13,202 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:13,203 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:13,204 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:13,222 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:13,224 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:13,257 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:13,338 INFO L303 Elim1Store]: Index analysis took 162 ms [2018-11-18 12:42:13,339 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 2362 treesize of output 2367 [2018-11-18 12:42:13,339 INFO L267 ElimStorePlain]: Start of recursive call 133: End of recursive call: and 1 xjuncts. [2018-11-18 12:42:13,406 INFO L267 ElimStorePlain]: Start of recursive call 131: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:42:13,523 INFO L267 ElimStorePlain]: Start of recursive call 130: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:42:15,432 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:15,433 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:15,436 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:15,494 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:42:15,508 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:15,509 INFO L303 Elim1Store]: Index analysis took 102 ms [2018-11-18 12:42:15,509 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2368 treesize of output 2393 [2018-11-18 12:42:15,546 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:15,559 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:15,570 INFO L477 Elim1Store]: Elim1 did not use 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 2361 treesize of output 2388 [2018-11-18 12:42:17,288 WARN L180 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2018-11-18 12:42:17,299 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:17,316 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 2363 treesize of output 2351 [2018-11-18 12:42:17,317 INFO L267 ElimStorePlain]: Start of recursive call 136: End of recursive call: and 1 xjuncts. [2018-11-18 12:42:17,385 INFO L267 ElimStorePlain]: Start of recursive call 135: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:42:17,481 INFO L267 ElimStorePlain]: Start of recursive call 134: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:42:19,340 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:19,341 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:19,367 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:19,392 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:19,393 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:19,413 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:19,472 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:42:19,666 INFO L303 Elim1Store]: Index analysis took 351 ms [2018-11-18 12:42:19,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 2365 treesize of output 2396 [2018-11-18 12:42:19,785 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:19,820 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:19,833 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:19,937 INFO L303 Elim1Store]: Index analysis took 174 ms [2018-11-18 12:42:20,414 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 2360 treesize of output 2402 [2018-11-18 12:42:31,801 WARN L180 SmtUtils]: Spent 11.39 s on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2018-11-18 12:42:31,815 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:31,816 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:31,816 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:31,826 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:31,856 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 2373 treesize of output 2361 [2018-11-18 12:42:31,856 INFO L267 ElimStorePlain]: Start of recursive call 139: End of recursive call: and 1 xjuncts. [2018-11-18 12:42:32,175 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:32,177 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:32,192 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:34,195 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (bvadd v_prenex_8 (_ bv4 32)) (bvadd v_prenex_6 (_ bv8 32))) [2018-11-18 12:42:34,202 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:34,202 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:34,321 INFO L303 Elim1Store]: Index analysis took 2154 ms [2018-11-18 12:42:34,661 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 2362 treesize of output 2376 [2018-11-18 12:42:34,662 INFO L267 ElimStorePlain]: Start of recursive call 140: End of recursive call: and 3 xjuncts. [2018-11-18 12:42:34,931 INFO L267 ElimStorePlain]: Start of recursive call 138: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:42:35,263 INFO L267 ElimStorePlain]: Start of recursive call 137: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:42:39,180 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:39,181 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:39,226 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:39,247 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:39,260 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:39,280 INFO L303 Elim1Store]: Index analysis took 114 ms [2018-11-18 12:42:40,037 INFO L477 Elim1Store]: Elim1 did not use 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 2365 treesize of output 2396 [2018-11-18 12:42:40,090 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:40,111 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:40,147 INFO L303 Elim1Store]: Index analysis took 108 ms [2018-11-18 12:42:40,701 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 2389 treesize of output 2414 [2018-11-18 12:42:48,778 WARN L180 SmtUtils]: Spent 8.08 s on a formula simplification. DAG size of input: 97 DAG size of output: 82 [2018-11-18 12:42:48,800 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:48,801 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:48,802 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:50,805 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (bvadd v_prenex_6 (_ bv8 32)) main_~head~0.offset) [2018-11-18 12:42:50,813 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:50,819 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:42:52,824 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (bvadd v_prenex_8 (_ bv4 32)) v_prenex_6) [2018-11-18 12:42:54,832 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (bvadd v_prenex_8 (_ bv4 32)) (bvadd v_prenex_6 (_ bv8 32))) [2018-11-18 12:42:54,842 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:56,847 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (bvadd main_~head~0.offset (_ bv8 32)) v_prenex_6) [2018-11-18 12:42:56,856 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:56,856 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:56,879 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:56,914 INFO L303 Elim1Store]: Index analysis took 8135 ms [2018-11-18 12:42:57,113 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 2366 treesize of output 2394 [2018-11-18 12:42:57,113 INFO L267 ElimStorePlain]: Start of recursive call 143: End of recursive call: and 2 xjuncts. [2018-11-18 12:42:58,008 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:58,013 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:42:58,188 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:58,188 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:58,189 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:58,207 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:58,208 INFO L303 Elim1Store]: Index analysis took 314 ms [2018-11-18 12:42:58,208 INFO L477 Elim1Store]: Elim1 did not use 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 2363 treesize of output 2361 [2018-11-18 12:42:58,209 INFO L267 ElimStorePlain]: Start of recursive call 144: End of recursive call: and 1 xjuncts. [2018-11-18 12:42:58,431 INFO L267 ElimStorePlain]: Start of recursive call 142: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:42:58,951 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:58,951 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:58,953 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:58,953 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:58,954 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:42:59,003 INFO L477 Elim1Store]: Elim1 did not use 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 2371 treesize of output 2395 [2018-11-18 12:43:00,195 WARN L180 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2018-11-18 12:43:00,220 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:00,240 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:43:00,241 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:00,242 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:00,243 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:00,243 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:00,302 INFO L303 Elim1Store]: Index analysis took 106 ms [2018-11-18 12:43:00,303 INFO L477 Elim1Store]: Elim1 did not use 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 2354 treesize of output 2355 [2018-11-18 12:43:00,303 INFO L267 ElimStorePlain]: Start of recursive call 146: End of recursive call: and 1 xjuncts. [2018-11-18 12:43:00,457 INFO L267 ElimStorePlain]: Start of recursive call 145: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:43:00,696 INFO L267 ElimStorePlain]: Start of recursive call 141: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:43:04,898 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:04,899 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:04,904 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:04,904 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:04,904 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:05,100 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 4698 treesize of output 4726 [2018-11-18 12:43:07,476 WARN L180 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 94 DAG size of output: 76 [2018-11-18 12:43:07,484 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:07,484 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:07,487 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:43:07,487 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:07,488 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 2356 treesize of output 2357 [2018-11-18 12:43:07,489 INFO L267 ElimStorePlain]: Start of recursive call 148: End of recursive call: and 1 xjuncts. [2018-11-18 12:43:07,695 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:07,696 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:07,696 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:07,737 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:43:07,738 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:07,738 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:07,738 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:07,739 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:07,739 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:07,739 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:07,896 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 4691 treesize of output 4760 [2018-11-18 12:43:10,706 WARN L180 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 100 DAG size of output: 79 [2018-11-18 12:43:10,709 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-18 12:43:10,709 INFO L267 ElimStorePlain]: Start of recursive call 150: End of recursive call: and 1 xjuncts. [2018-11-18 12:43:10,722 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:10,723 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:10,723 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:10,723 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:10,725 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 4687 treesize of output 4681 [2018-11-18 12:43:10,725 INFO L267 ElimStorePlain]: Start of recursive call 151: End of recursive call: and 1 xjuncts. [2018-11-18 12:43:10,997 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:10,997 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:10,998 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:10,998 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:10,999 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:11,002 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:11,003 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:11,004 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:11,004 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:11,005 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 2362 treesize of output 2373 [2018-11-18 12:43:11,006 INFO L267 ElimStorePlain]: Start of recursive call 152: End of recursive call: and 1 xjuncts. [2018-11-18 12:43:11,264 INFO L267 ElimStorePlain]: Start of recursive call 149: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:43:11,502 INFO L267 ElimStorePlain]: Start of recursive call 147: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 12:43:13,573 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:13,574 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:13,576 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:13,576 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:13,577 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:13,596 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:43:13,616 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:13,616 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:13,618 INFO L477 Elim1Store]: Elim1 did not use 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 2365 treesize of output 2403 [2018-11-18 12:43:13,640 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:13,670 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:14,247 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 2366 treesize of output 2399 [2018-11-18 12:43:18,398 WARN L180 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2018-11-18 12:43:18,408 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:18,409 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 2365 treesize of output 2354 [2018-11-18 12:43:18,409 INFO L267 ElimStorePlain]: Start of recursive call 155: End of recursive call: and 1 xjuncts. [2018-11-18 12:43:18,569 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:18,571 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:18,571 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:18,572 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:18,572 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:18,601 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:18,602 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:18,603 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 2356 treesize of output 2364 [2018-11-18 12:43:18,603 INFO L267 ElimStorePlain]: Start of recursive call 156: End of recursive call: and 1 xjuncts. [2018-11-18 12:43:18,721 INFO L267 ElimStorePlain]: Start of recursive call 154: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:43:18,805 INFO L267 ElimStorePlain]: Start of recursive call 153: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:43:21,127 INFO L267 ElimStorePlain]: Start of recursive call 128: 16 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-11-18 12:43:21,930 INFO L267 ElimStorePlain]: Start of recursive call 119: 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-11-18 12:43:22,411 INFO L267 ElimStorePlain]: Start of recursive call 118: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-18 12:43:22,413 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-18 12:43:22,413 INFO L267 ElimStorePlain]: Start of recursive call 157: End of recursive call: and 1 xjuncts. [2018-11-18 12:43:23,190 INFO L267 ElimStorePlain]: Start of recursive call 87: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:43:26,642 INFO L267 ElimStorePlain]: Start of recursive call 65: 1 dim-1 vars, 3 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-18 12:43:31,339 INFO L303 Elim1Store]: Index analysis took 1298 ms [2018-11-18 12:43:31,837 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 2988 treesize of output 2974 [2018-11-18 12:43:40,992 WARN L180 SmtUtils]: Spent 9.15 s on a formula simplification. DAG size of input: 140 DAG size of output: 113 [2018-11-18 12:43:41,018 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 2665 treesize of output 2664 [2018-11-18 12:43:41,018 INFO L267 ElimStorePlain]: Start of recursive call 159: End of recursive call: and 1 xjuncts. [2018-11-18 12:43:43,720 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:44,070 INFO L303 Elim1Store]: Index analysis took 364 ms [2018-11-18 12:43:45,013 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 2812 treesize of output 2836 [2018-11-18 12:43:45,014 INFO L267 ElimStorePlain]: Start of recursive call 160: End of recursive call: and 4 xjuncts. [2018-11-18 12:43:50,464 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:43:50,537 INFO L303 Elim1Store]: Index analysis took 143 ms [2018-11-18 12:43:50,538 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 0 case distinctions, treesize of input 2813 treesize of output 2670 [2018-11-18 12:43:52,450 WARN L180 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2018-11-18 12:43:52,465 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:52,538 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:52,538 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:52,572 INFO L303 Elim1Store]: Index analysis took 121 ms [2018-11-18 12:43:53,157 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 2 case distinctions, treesize of input 2507 treesize of output 2527 [2018-11-18 12:43:53,277 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:53,278 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:53,404 INFO L303 Elim1Store]: Index analysis took 246 ms [2018-11-18 12:43:53,405 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 2518 treesize of output 3100 [2018-11-18 12:43:53,405 INFO L267 ElimStorePlain]: Start of recursive call 163: End of recursive call: and 1 xjuncts. [2018-11-18 12:43:53,845 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:57,440 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (bvadd v_prenex_8 (_ bv4 32)) (bvadd v_prenex_6 (_ bv8 32))) [2018-11-18 12:43:57,448 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:57,462 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:57,462 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:57,511 INFO L303 Elim1Store]: Index analysis took 3683 ms [2018-11-18 12:43:58,762 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 5 case distinctions, treesize of input 2507 treesize of output 3109 [2018-11-18 12:43:58,763 INFO L267 ElimStorePlain]: Start of recursive call 164: End of recursive call: and 4 xjuncts. [2018-11-18 12:43:59,452 INFO L267 ElimStorePlain]: Start of recursive call 162: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 12:43:59,476 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:59,555 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:59,556 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:59,602 INFO L303 Elim1Store]: Index analysis took 149 ms [2018-11-18 12:43:59,712 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 2 case distinctions, treesize of input 174 treesize of output 197 [2018-11-18 12:43:59,833 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:59,834 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:43:59,944 INFO L303 Elim1Store]: Index analysis took 230 ms [2018-11-18 12:44:00,115 INFO L477 Elim1Store]: Elim1 did not use 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 0 new quantified variables, introduced 3 case distinctions, treesize of input 190 treesize of output 638 [2018-11-18 12:44:00,116 INFO L267 ElimStorePlain]: Start of recursive call 166: End of recursive call: and 2 xjuncts. [2018-11-18 12:44:02,678 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:02,679 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:02,679 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:02,720 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 172 treesize of output 474 [2018-11-18 12:44:02,720 INFO L267 ElimStorePlain]: Start of recursive call 167: End of recursive call: and 1 xjuncts. [2018-11-18 12:44:03,074 INFO L267 ElimStorePlain]: Start of recursive call 165: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 12:44:03,777 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:44:03,779 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 2932 treesize of output 2500 [2018-11-18 12:44:03,792 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:04,280 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:44:06,282 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (bvadd v_prenex_8 (_ bv4 32)) (bvadd v_prenex_6 (_ bv8 32))) [2018-11-18 12:44:06,291 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:08,294 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (bvadd v_prenex_6 (_ bv8 32)) main_~head~0.offset) [2018-11-18 12:44:08,317 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:08,319 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:08,319 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:08,402 INFO L303 Elim1Store]: Index analysis took 4622 ms [2018-11-18 12:44:08,736 INFO L477 Elim1Store]: Elim1 did not use 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 0 new quantified variables, introduced 3 case distinctions, treesize of input 2354 treesize of output 2380 [2018-11-18 12:44:08,737 INFO L267 ElimStorePlain]: Start of recursive call 169: End of recursive call: and 4 xjuncts. [2018-11-18 12:44:09,227 INFO L267 ElimStorePlain]: Start of recursive call 168: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 12:44:09,252 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:44:09,253 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 2788 treesize of output 2500 [2018-11-18 12:44:09,268 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:44:09,270 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:09,271 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:09,271 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:09,308 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 2348 treesize of output 2347 [2018-11-18 12:44:09,308 INFO L267 ElimStorePlain]: Start of recursive call 171: End of recursive call: and 1 xjuncts. [2018-11-18 12:44:09,595 INFO L267 ElimStorePlain]: Start of recursive call 170: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:44:09,644 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:44:09,645 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 2788 treesize of output 2500 [2018-11-18 12:44:09,718 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:09,742 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:44:09,743 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:09,745 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:09,781 INFO L303 Elim1Store]: Index analysis took 135 ms [2018-11-18 12:44:09,782 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 2348 treesize of output 2347 [2018-11-18 12:44:09,782 INFO L267 ElimStorePlain]: Start of recursive call 173: End of recursive call: and 1 xjuncts. [2018-11-18 12:44:09,861 INFO L267 ElimStorePlain]: Start of recursive call 172: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:44:10,450 INFO L267 ElimStorePlain]: Start of recursive call 161: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:44:10,469 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:44:10,552 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 0 case distinctions, treesize of input 2815 treesize of output 2670 [2018-11-18 12:44:11,141 WARN L180 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2018-11-18 12:44:11,174 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:11,175 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:11,187 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:11,613 INFO L303 Elim1Store]: Index analysis took 471 ms [2018-11-18 12:44:11,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 179 treesize of output 214 [2018-11-18 12:44:11,853 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:11,936 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:11,951 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:11,954 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:11,985 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:44:11,988 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:12,076 INFO L303 Elim1Store]: Index analysis took 233 ms [2018-11-18 12:44:12,466 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 2 case distinctions, treesize of input 202 treesize of output 662 [2018-11-18 12:44:12,466 INFO L267 ElimStorePlain]: Start of recursive call 176: End of recursive call: and 2 xjuncts. [2018-11-18 12:44:14,767 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:14,770 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:14,771 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:14,775 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:14,776 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 178 treesize of output 779 [2018-11-18 12:44:14,776 INFO L267 ElimStorePlain]: Start of recursive call 177: End of recursive call: and 1 xjuncts. [2018-11-18 12:44:16,102 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:16,355 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:16,373 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:16,466 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:16,467 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:16,879 INFO L303 Elim1Store]: Index analysis took 805 ms [2018-11-18 12:44:17,330 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 182 treesize of output 798 [2018-11-18 12:44:17,331 INFO L267 ElimStorePlain]: Start of recursive call 178: End of recursive call: and 4 xjuncts. [2018-11-18 12:44:19,372 INFO L267 ElimStorePlain]: Start of recursive call 175: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 12:44:20,626 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:44:20,627 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 3084 treesize of output 2508 [2018-11-18 12:44:20,731 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:20,731 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:20,738 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:20,743 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:22,912 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (bvadd v_prenex_8 (_ bv4 32)) (bvadd v_prenex_6 (_ bv8 32))) [2018-11-18 12:44:22,986 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:22,987 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:23,349 INFO L303 Elim1Store]: Index analysis took 2721 ms [2018-11-18 12:44:23,959 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 2362 treesize of output 2386 [2018-11-18 12:44:23,959 INFO L267 ElimStorePlain]: Start of recursive call 180: End of recursive call: and 2 xjuncts. [2018-11-18 12:44:24,599 INFO L267 ElimStorePlain]: Start of recursive call 179: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 12:44:24,646 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:44:24,647 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 2794 treesize of output 2506 [2018-11-18 12:44:24,669 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:24,671 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:24,671 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:24,739 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 2346 treesize of output 2345 [2018-11-18 12:44:24,739 INFO L267 ElimStorePlain]: Start of recursive call 182: End of recursive call: and 1 xjuncts. [2018-11-18 12:44:24,893 INFO L267 ElimStorePlain]: Start of recursive call 181: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:44:24,923 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:44:24,925 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 2940 treesize of output 2508 [2018-11-18 12:44:24,944 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:24,952 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:44:24,954 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:24,955 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:24,956 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 2356 treesize of output 2351 [2018-11-18 12:44:24,957 INFO L267 ElimStorePlain]: Start of recursive call 184: End of recursive call: and 1 xjuncts. [2018-11-18 12:44:25,029 INFO L267 ElimStorePlain]: Start of recursive call 183: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:44:25,759 INFO L267 ElimStorePlain]: Start of recursive call 174: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-18 12:44:25,811 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:44:25,918 INFO L303 Elim1Store]: Index analysis took 158 ms [2018-11-18 12:44:25,919 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 0 case distinctions, treesize of input 2813 treesize of output 2670 [2018-11-18 12:44:26,584 WARN L180 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2018-11-18 12:44:26,596 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:26,598 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:26,628 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:44:26,671 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 186 [2018-11-18 12:44:26,703 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:26,703 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:26,844 INFO L303 Elim1Store]: Index analysis took 172 ms [2018-11-18 12:44:26,845 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 168 treesize of output 474 [2018-11-18 12:44:26,845 INFO L267 ElimStorePlain]: Start of recursive call 187: End of recursive call: and 1 xjuncts. [2018-11-18 12:44:29,001 INFO L267 ElimStorePlain]: Start of recursive call 186: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:44:31,347 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:44:31,348 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 2784 treesize of output 2496 [2018-11-18 12:44:31,359 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:31,360 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:31,375 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:31,411 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 2350 treesize of output 2343 [2018-11-18 12:44:31,412 INFO L267 ElimStorePlain]: Start of recursive call 189: End of recursive call: and 1 xjuncts. [2018-11-18 12:44:31,464 INFO L267 ElimStorePlain]: Start of recursive call 188: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:44:31,671 INFO L267 ElimStorePlain]: Start of recursive call 185: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 12:44:36,085 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:36,101 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:44:36,934 INFO L303 Elim1Store]: Index analysis took 1010 ms [2018-11-18 12:44:37,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 2664 treesize of output 2967 [2018-11-18 12:44:40,720 WARN L180 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 111 DAG size of output: 99 [2018-11-18 12:44:40,783 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:40,886 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:40,889 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:41,176 INFO L303 Elim1Store]: Index analysis took 454 ms [2018-11-18 12:44:41,686 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 2655 treesize of output 2690 [2018-11-18 12:44:41,709 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:41,714 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:41,732 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 12:44:41,732 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:41,736 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:41,737 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 2673 treesize of output 3267 [2018-11-18 12:44:41,737 INFO L267 ElimStorePlain]: Start of recursive call 192: End of recursive call: and 1 xjuncts. [2018-11-18 12:44:44,930 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:45,044 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:45,044 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:45,179 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:45,181 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:45,370 INFO L303 Elim1Store]: Index analysis took 497 ms [2018-11-18 12:44:45,513 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 2659 treesize of output 3266 [2018-11-18 12:44:45,513 INFO L267 ElimStorePlain]: Start of recursive call 193: End of recursive call: and 2 xjuncts. [2018-11-18 12:44:48,172 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:48,173 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:48,180 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:48,180 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:48,307 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:44:48,768 INFO L303 Elim1Store]: Index analysis took 700 ms [2018-11-18 12:44:49,657 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 2656 treesize of output 3118 [2018-11-18 12:44:49,658 INFO L267 ElimStorePlain]: Start of recursive call 194: End of recursive call: and 2 xjuncts. [2018-11-18 12:44:59,829 INFO L267 ElimStorePlain]: Start of recursive call 191: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-18 12:45:05,767 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 2514 treesize of output 2510 [2018-11-18 12:45:05,787 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:45:05,788 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:45:06,090 INFO L303 Elim1Store]: Index analysis took 321 ms [2018-11-18 12:45:06,175 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 2493 treesize of output 2489 [2018-11-18 12:45:06,175 INFO L267 ElimStorePlain]: Start of recursive call 196: End of recursive call: and 2 xjuncts. [2018-11-18 12:45:07,138 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:45:07,138 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 12:45:07,435 INFO L303 Elim1Store]: Index analysis took 342 ms [2018-11-18 12:45:08,389 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:45:08,389 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_arrayElimCell_95 term size 70 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.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:418) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java: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 12:45:08,391 INFO L168 Benchmark]: Toolchain (without parser) took 578601.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 211.3 MB). Free memory was 944.4 MB in the beginning and 1.0 GB in the end (delta: -101.2 MB). Peak memory consumption was 421.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:45:08,392 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 12:45:08,392 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -188.5 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:45:08,392 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.88 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:45:08,392 INFO L168 Benchmark]: Boogie Preprocessor took 30.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:45:08,392 INFO L168 Benchmark]: RCFGBuilder took 314.76 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: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:45:08,392 INFO L168 Benchmark]: TraceAbstraction took 577839.45 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.3 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.7 MB). Peak memory consumption was 424.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:45:08,394 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 390.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -188.5 MB). Peak memory consumption was 39.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.88 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 314.76 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: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 577839.45 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.3 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.7 MB). Peak memory consumption was 424.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimCell_95 term size 70 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimCell_95 term size 70: 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...