./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/sll-token_true-unreach-call_true-valid-memsafety.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-token_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ba8e1e3b81a4ef74bb5d2812e833b1076e8dddee ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-token_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ba8e1e3b81a4ef74bb5d2812e833b1076e8dddee ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_159 (bvadd v_prenex_50 (_ bv4 32)) v_prenex_52) --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:02:00,600 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:02:00,601 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:02:00,607 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:02:00,607 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:02:00,608 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:02:00,608 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:02:00,609 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:02:00,610 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:02:00,610 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:02:00,611 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:02:00,611 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:02:00,611 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:02:00,612 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:02:00,612 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:02:00,613 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:02:00,613 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:02:00,615 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:02:00,616 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:02:00,616 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:02:00,617 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:02:00,618 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:02:00,620 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:02:00,620 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:02:00,620 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:02:00,621 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:02:00,621 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:02:00,621 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:02:00,622 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:02:00,623 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:02:00,623 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:02:00,623 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:02:00,624 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:02:00,624 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:02:00,625 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:02:00,625 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:02:00,625 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-11-23 06:02:00,633 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:02:00,634 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:02:00,634 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:02:00,634 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:02:00,635 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 06:02:00,635 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 06:02:00,635 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 06:02:00,635 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 06:02:00,635 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 06:02:00,635 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 06:02:00,635 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 06:02:00,636 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 06:02:00,636 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 06:02:00,636 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:02:00,636 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:02:00,636 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:02:00,637 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:02:00,637 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 06:02:00,637 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:02:00,637 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:02:00,637 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:02:00,637 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-23 06:02:00,637 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-23 06:02:00,638 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-23 06:02:00,638 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:02:00,638 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:02:00,638 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:02:00,638 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:02:00,638 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:02:00,638 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:02:00,638 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:02:00,639 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:02:00,639 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:02:00,639 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:02:00,639 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 06:02:00,639 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:02:00,639 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:02:00,639 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_01b29995-f41f-4b44-a8d6-df13f2e5c26f/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> ba8e1e3b81a4ef74bb5d2812e833b1076e8dddee [2018-11-23 06:02:00,664 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:02:00,673 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:02:00,675 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:02:00,676 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:02:00,677 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:02:00,677 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/../../sv-benchmarks/c/forester-heap/sll-token_true-unreach-call_true-valid-memsafety.i [2018-11-23 06:02:00,722 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/data/4196eebe6/5ee07b209b27482a98b4da328bfdf6bf/FLAG21817175f [2018-11-23 06:02:01,072 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:02:01,072 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/sv-benchmarks/c/forester-heap/sll-token_true-unreach-call_true-valid-memsafety.i [2018-11-23 06:02:01,079 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/data/4196eebe6/5ee07b209b27482a98b4da328bfdf6bf/FLAG21817175f [2018-11-23 06:02:01,088 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/data/4196eebe6/5ee07b209b27482a98b4da328bfdf6bf [2018-11-23 06:02:01,090 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:02:01,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:02:01,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:02:01,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:02:01,095 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:02:01,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:02:01" (1/1) ... [2018-11-23 06:02:01,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28603259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:02:01, skipping insertion in model container [2018-11-23 06:02:01,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:02:01" (1/1) ... [2018-11-23 06:02:01,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:02:01,139 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:02:01,340 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:02:01,348 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:02:01,424 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:02:01,449 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:02:01,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:02:01 WrapperNode [2018-11-23 06:02:01,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:02:01,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:02:01,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:02:01,450 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:02:01,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:02:01" (1/1) ... [2018-11-23 06:02:01,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:02:01" (1/1) ... [2018-11-23 06:02:01,472 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:02:01,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:02:01,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:02:01,472 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:02:01,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:02:01" (1/1) ... [2018-11-23 06:02:01,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:02:01" (1/1) ... [2018-11-23 06:02:01,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:02:01" (1/1) ... [2018-11-23 06:02:01,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:02:01" (1/1) ... [2018-11-23 06:02:01,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:02:01" (1/1) ... [2018-11-23 06:02:01,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:02:01" (1/1) ... [2018-11-23 06:02:01,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:02:01" (1/1) ... [2018-11-23 06:02:01,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:02:01,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:02:01,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:02:01,499 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:02:01,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:02:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:02:01,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 06:02:01,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 06:02:01,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 06:02:01,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 06:02:01,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 06:02:01,533 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 06:02:01,533 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 06:02:01,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 06:02:01,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 06:02:01,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 06:02:01,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:02:01,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:02:01,884 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:02:01,884 INFO L280 CfgBuilder]: Removed 15 assue(true) statements. [2018-11-23 06:02:01,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:02:01 BoogieIcfgContainer [2018-11-23 06:02:01,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:02:01,885 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:02:01,885 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:02:01,887 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:02:01,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:02:01" (1/3) ... [2018-11-23 06:02:01,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64201cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:02:01, skipping insertion in model container [2018-11-23 06:02:01,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:02:01" (2/3) ... [2018-11-23 06:02:01,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64201cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:02:01, skipping insertion in model container [2018-11-23 06:02:01,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:02:01" (3/3) ... [2018-11-23 06:02:01,890 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-token_true-unreach-call_true-valid-memsafety.i [2018-11-23 06:02:01,896 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:02:01,902 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 45 error locations. [2018-11-23 06:02:01,912 INFO L257 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2018-11-23 06:02:01,930 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:02:01,930 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-23 06:02:01,930 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:02:01,930 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:02:01,930 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:02:01,930 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:02:01,930 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:02:01,931 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:02:01,943 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2018-11-23 06:02:01,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 06:02:01,949 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:02:01,950 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:02:01,952 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr43ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44ENSURES_VIOLATIONMEMORY_LEAK, mainErr24REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr42ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-23 06:02:01,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:01,956 INFO L82 PathProgramCache]: Analyzing trace with hash -709859494, now seen corresponding path program 1 times [2018-11-23 06:02:01,957 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:02:01,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:01,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:01,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:01,991 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:02:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:02,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:02,062 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:02:02,062 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 06:02:02,062 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:02:02,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:02:02,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:02:02,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:02:02,076 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 3 states. [2018-11-23 06:02:02,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:02:02,169 INFO L93 Difference]: Finished difference Result 118 states and 121 transitions. [2018-11-23 06:02:02,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:02:02,170 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-23 06:02:02,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:02:02,179 INFO L225 Difference]: With dead ends: 118 [2018-11-23 06:02:02,179 INFO L226 Difference]: Without dead ends: 115 [2018-11-23 06:02:02,181 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:02:02,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-11-23 06:02:02,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 99. [2018-11-23 06:02:02,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-11-23 06:02:02,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 101 transitions. [2018-11-23 06:02:02,209 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 101 transitions. Word has length 7 [2018-11-23 06:02:02,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:02:02,209 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 101 transitions. [2018-11-23 06:02:02,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:02:02,210 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 101 transitions. [2018-11-23 06:02:02,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 06:02:02,210 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:02:02,210 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:02:02,211 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr43ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44ENSURES_VIOLATIONMEMORY_LEAK, mainErr24REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr42ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-23 06:02:02,211 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:02,211 INFO L82 PathProgramCache]: Analyzing trace with hash -709859493, now seen corresponding path program 1 times [2018-11-23 06:02:02,211 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:02:02,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:02,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:02,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:02,213 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:02:02,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:02,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:02,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:02:02,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 06:02:02,259 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:02:02,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:02:02,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:02:02,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:02:02,260 INFO L87 Difference]: Start difference. First operand 99 states and 101 transitions. Second operand 3 states. [2018-11-23 06:02:02,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:02:02,338 INFO L93 Difference]: Finished difference Result 119 states and 121 transitions. [2018-11-23 06:02:02,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:02:02,339 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-23 06:02:02,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:02:02,340 INFO L225 Difference]: With dead ends: 119 [2018-11-23 06:02:02,340 INFO L226 Difference]: Without dead ends: 119 [2018-11-23 06:02:02,340 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:02:02,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-11-23 06:02:02,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 97. [2018-11-23 06:02:02,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-11-23 06:02:02,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 99 transitions. [2018-11-23 06:02:02,347 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 99 transitions. Word has length 7 [2018-11-23 06:02:02,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:02:02,347 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 99 transitions. [2018-11-23 06:02:02,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:02:02,348 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 99 transitions. [2018-11-23 06:02:02,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 06:02:02,348 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:02:02,348 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:02:02,349 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr43ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44ENSURES_VIOLATIONMEMORY_LEAK, mainErr24REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr42ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-23 06:02:02,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:02,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1814310218, now seen corresponding path program 1 times [2018-11-23 06:02:02,349 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:02:02,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:02,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:02,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:02,351 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:02:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:02,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:02,385 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:02:02,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:02:02,385 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:02:02,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 06:02:02,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 06:02:02,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 06:02:02,386 INFO L87 Difference]: Start difference. First operand 97 states and 99 transitions. Second operand 4 states. [2018-11-23 06:02:02,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:02:02,494 INFO L93 Difference]: Finished difference Result 99 states and 102 transitions. [2018-11-23 06:02:02,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 06:02:02,494 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-11-23 06:02:02,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:02:02,495 INFO L225 Difference]: With dead ends: 99 [2018-11-23 06:02:02,495 INFO L226 Difference]: Without dead ends: 99 [2018-11-23 06:02:02,495 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 06:02:02,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-11-23 06:02:02,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 86. [2018-11-23 06:02:02,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-11-23 06:02:02,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 90 transitions. [2018-11-23 06:02:02,501 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 90 transitions. Word has length 12 [2018-11-23 06:02:02,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:02:02,501 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 90 transitions. [2018-11-23 06:02:02,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 06:02:02,501 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 90 transitions. [2018-11-23 06:02:02,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 06:02:02,501 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:02:02,502 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:02:02,502 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr43ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44ENSURES_VIOLATIONMEMORY_LEAK, mainErr24REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr42ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-23 06:02:02,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:02,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1814310217, now seen corresponding path program 1 times [2018-11-23 06:02:02,502 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:02:02,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:02,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:02,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:02,503 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:02:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:02,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:02,557 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:02:02,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:02:02,557 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:02:02,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 06:02:02,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 06:02:02,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 06:02:02,558 INFO L87 Difference]: Start difference. First operand 86 states and 90 transitions. Second operand 4 states. [2018-11-23 06:02:02,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:02:02,694 INFO L93 Difference]: Finished difference Result 148 states and 152 transitions. [2018-11-23 06:02:02,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 06:02:02,695 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-11-23 06:02:02,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:02:02,696 INFO L225 Difference]: With dead ends: 148 [2018-11-23 06:02:02,696 INFO L226 Difference]: Without dead ends: 148 [2018-11-23 06:02:02,696 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 06:02:02,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-23 06:02:02,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 114. [2018-11-23 06:02:02,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-23 06:02:02,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 121 transitions. [2018-11-23 06:02:02,703 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 121 transitions. Word has length 12 [2018-11-23 06:02:02,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:02:02,704 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 121 transitions. [2018-11-23 06:02:02,704 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 06:02:02,704 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 121 transitions. [2018-11-23 06:02:02,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 06:02:02,704 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:02:02,704 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:02:02,705 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr43ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44ENSURES_VIOLATIONMEMORY_LEAK, mainErr24REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr42ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-23 06:02:02,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:02,705 INFO L82 PathProgramCache]: Analyzing trace with hash 2048694951, now seen corresponding path program 1 times [2018-11-23 06:02:02,705 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:02:02,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:02,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:02,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:02,707 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:02:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:02,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:02,790 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:02:02,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 06:02:02,790 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:02:02,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:02:02,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:02:02,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:02:02,791 INFO L87 Difference]: Start difference. First operand 114 states and 121 transitions. Second operand 6 states. [2018-11-23 06:02:03,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:02:03,017 INFO L93 Difference]: Finished difference Result 187 states and 199 transitions. [2018-11-23 06:02:03,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 06:02:03,019 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-11-23 06:02:03,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:02:03,019 INFO L225 Difference]: With dead ends: 187 [2018-11-23 06:02:03,020 INFO L226 Difference]: Without dead ends: 187 [2018-11-23 06:02:03,020 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-11-23 06:02:03,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-11-23 06:02:03,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 100. [2018-11-23 06:02:03,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-23 06:02:03,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 106 transitions. [2018-11-23 06:02:03,026 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 106 transitions. Word has length 15 [2018-11-23 06:02:03,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:02:03,026 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 106 transitions. [2018-11-23 06:02:03,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:02:03,026 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 106 transitions. [2018-11-23 06:02:03,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 06:02:03,027 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:02:03,027 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:02:03,027 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr43ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44ENSURES_VIOLATIONMEMORY_LEAK, mainErr24REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr42ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-23 06:02:03,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:03,028 INFO L82 PathProgramCache]: Analyzing trace with hash 2048694950, now seen corresponding path program 1 times [2018-11-23 06:02:03,028 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:02:03,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:03,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:03,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:03,029 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:02:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:03,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:03,076 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:02:03,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 06:02:03,076 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:02:03,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:02:03,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:02:03,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:02:03,077 INFO L87 Difference]: Start difference. First operand 100 states and 106 transitions. Second operand 6 states. [2018-11-23 06:02:03,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:02:03,242 INFO L93 Difference]: Finished difference Result 160 states and 170 transitions. [2018-11-23 06:02:03,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 06:02:03,243 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-11-23 06:02:03,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:02:03,243 INFO L225 Difference]: With dead ends: 160 [2018-11-23 06:02:03,243 INFO L226 Difference]: Without dead ends: 160 [2018-11-23 06:02:03,244 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 06:02:03,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-11-23 06:02:03,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 99. [2018-11-23 06:02:03,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-11-23 06:02:03,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 105 transitions. [2018-11-23 06:02:03,248 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 105 transitions. Word has length 15 [2018-11-23 06:02:03,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:02:03,248 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 105 transitions. [2018-11-23 06:02:03,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:02:03,248 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 105 transitions. [2018-11-23 06:02:03,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 06:02:03,249 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:02:03,249 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:02:03,249 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr43ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44ENSURES_VIOLATIONMEMORY_LEAK, mainErr24REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr42ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-23 06:02:03,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:03,250 INFO L82 PathProgramCache]: Analyzing trace with hash -944551365, now seen corresponding path program 1 times [2018-11-23 06:02:03,250 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:02:03,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:03,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:03,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:03,251 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:02:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:03,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:03,301 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:02:03,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 06:02:03,301 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:02:03,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 06:02:03,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 06:02:03,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 06:02:03,302 INFO L87 Difference]: Start difference. First operand 99 states and 105 transitions. Second operand 5 states. [2018-11-23 06:02:03,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:02:03,384 INFO L93 Difference]: Finished difference Result 98 states and 104 transitions. [2018-11-23 06:02:03,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 06:02:03,384 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-11-23 06:02:03,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:02:03,385 INFO L225 Difference]: With dead ends: 98 [2018-11-23 06:02:03,385 INFO L226 Difference]: Without dead ends: 98 [2018-11-23 06:02:03,385 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 06:02:03,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-11-23 06:02:03,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-11-23 06:02:03,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-11-23 06:02:03,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 104 transitions. [2018-11-23 06:02:03,388 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 104 transitions. Word has length 16 [2018-11-23 06:02:03,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:02:03,388 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 104 transitions. [2018-11-23 06:02:03,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 06:02:03,388 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 104 transitions. [2018-11-23 06:02:03,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 06:02:03,389 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:02:03,389 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:02:03,389 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr43ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44ENSURES_VIOLATIONMEMORY_LEAK, mainErr24REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr42ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-23 06:02:03,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:03,390 INFO L82 PathProgramCache]: Analyzing trace with hash -944551366, now seen corresponding path program 1 times [2018-11-23 06:02:03,390 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:02:03,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:03,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:03,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:03,391 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:02:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:03,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:03,434 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:02:03,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 06:02:03,435 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:02:03,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 06:02:03,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 06:02:03,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 06:02:03,435 INFO L87 Difference]: Start difference. First operand 98 states and 104 transitions. Second operand 5 states. [2018-11-23 06:02:03,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:02:03,526 INFO L93 Difference]: Finished difference Result 100 states and 104 transitions. [2018-11-23 06:02:03,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 06:02:03,526 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-11-23 06:02:03,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:02:03,527 INFO L225 Difference]: With dead ends: 100 [2018-11-23 06:02:03,527 INFO L226 Difference]: Without dead ends: 100 [2018-11-23 06:02:03,527 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 06:02:03,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-11-23 06:02:03,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 97. [2018-11-23 06:02:03,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-11-23 06:02:03,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 103 transitions. [2018-11-23 06:02:03,531 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 103 transitions. Word has length 16 [2018-11-23 06:02:03,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:02:03,531 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 103 transitions. [2018-11-23 06:02:03,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 06:02:03,531 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 103 transitions. [2018-11-23 06:02:03,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 06:02:03,531 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:02:03,532 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:02:03,532 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr43ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44ENSURES_VIOLATIONMEMORY_LEAK, mainErr24REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr42ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-23 06:02:03,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:03,532 INFO L82 PathProgramCache]: Analyzing trace with hash -2032581726, now seen corresponding path program 1 times [2018-11-23 06:02:03,532 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:02:03,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:03,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:03,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:03,533 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:02:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:03,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:03,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:02:03,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 06:02:03,650 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:02:03,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 06:02:03,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 06:02:03,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-11-23 06:02:03,651 INFO L87 Difference]: Start difference. First operand 97 states and 103 transitions. Second operand 11 states. [2018-11-23 06:02:03,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:02:03,948 INFO L93 Difference]: Finished difference Result 170 states and 177 transitions. [2018-11-23 06:02:03,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 06:02:03,948 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 27 [2018-11-23 06:02:03,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:02:03,949 INFO L225 Difference]: With dead ends: 170 [2018-11-23 06:02:03,949 INFO L226 Difference]: Without dead ends: 170 [2018-11-23 06:02:03,950 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2018-11-23 06:02:03,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-11-23 06:02:03,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 115. [2018-11-23 06:02:03,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-11-23 06:02:03,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 124 transitions. [2018-11-23 06:02:03,953 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 124 transitions. Word has length 27 [2018-11-23 06:02:03,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:02:03,954 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 124 transitions. [2018-11-23 06:02:03,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 06:02:03,954 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 124 transitions. [2018-11-23 06:02:03,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 06:02:03,954 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:02:03,955 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:02:03,955 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr43ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44ENSURES_VIOLATIONMEMORY_LEAK, mainErr24REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr42ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-23 06:02:03,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:03,955 INFO L82 PathProgramCache]: Analyzing trace with hash -2032581725, now seen corresponding path program 1 times [2018-11-23 06:02:03,955 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:02:03,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:03,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:03,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:03,956 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:02:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:04,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:04,100 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:02:04,100 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 06:02:04,100 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:02:04,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 06:02:04,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 06:02:04,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2018-11-23 06:02:04,100 INFO L87 Difference]: Start difference. First operand 115 states and 124 transitions. Second operand 11 states. [2018-11-23 06:02:04,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:02:04,461 INFO L93 Difference]: Finished difference Result 197 states and 203 transitions. [2018-11-23 06:02:04,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 06:02:04,462 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 27 [2018-11-23 06:02:04,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:02:04,463 INFO L225 Difference]: With dead ends: 197 [2018-11-23 06:02:04,463 INFO L226 Difference]: Without dead ends: 197 [2018-11-23 06:02:04,463 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-23 06:02:04,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-11-23 06:02:04,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 115. [2018-11-23 06:02:04,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-11-23 06:02:04,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 123 transitions. [2018-11-23 06:02:04,467 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 123 transitions. Word has length 27 [2018-11-23 06:02:04,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:02:04,467 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 123 transitions. [2018-11-23 06:02:04,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 06:02:04,467 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 123 transitions. [2018-11-23 06:02:04,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 06:02:04,468 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:02:04,468 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:02:04,468 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr43ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44ENSURES_VIOLATIONMEMORY_LEAK, mainErr24REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr42ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-23 06:02:04,469 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:04,469 INFO L82 PathProgramCache]: Analyzing trace with hash -997160798, now seen corresponding path program 1 times [2018-11-23 06:02:04,469 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:02:04,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:04,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:04,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:04,470 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:02:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:04,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:04,617 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:02:04,617 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:02:04,617 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 28 with the following transitions: [2018-11-23 06:02:04,619 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [6], [9], [12], [17], [20], [52], [55], [56], [59], [62], [65], [73], [77], [85], [86], [92], [96], [103], [107], [112], [115], [215], [216], [217] [2018-11-23 06:02:04,653 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:02:04,653 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:02:04,820 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:02:04,821 INFO L272 AbstractInterpreter]: Visited 27 different actions 35 times. Merged at 8 different actions 8 times. Never widened. Performed 254 root evaluator evaluations with a maximum evaluation depth of 3. Performed 254 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 29 variables. [2018-11-23 06:02:04,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:04,836 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:02:04,836 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:02:04,836 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:02:04,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:04,847 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:02:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:04,874 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:02:04,900 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-23 06:02:04,902 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:04,909 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:04,910 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-23 06:02:04,931 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:04,932 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:04,932 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-23 06:02:04,933 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:04,941 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:04,941 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2018-11-23 06:02:04,962 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 06:02:04,964 INFO L478 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 [2018-11-23 06:02:04,965 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:04,966 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:04,975 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:04,975 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:29 [2018-11-23 06:02:05,008 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 45 [2018-11-23 06:02:05,010 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 1 [2018-11-23 06:02:05,010 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:05,012 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:05,016 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:05,016 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:54, output treesize:23 [2018-11-23 06:02:05,041 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2018-11-23 06:02:05,043 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-11-23 06:02:05,043 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:05,045 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:05,048 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:05,048 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:15 [2018-11-23 06:02:05,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:05,078 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:02:05,109 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:05,113 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:05,114 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:05,115 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:19 [2018-11-23 06:02:07,192 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 29 [2018-11-23 06:02:07,204 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-23 06:02:07,204 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:07,215 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-11-23 06:02:07,217 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-23 06:02:07,217 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:07,221 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:07,228 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2018-11-23 06:02:07,238 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 14 [2018-11-23 06:02:07,239 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 06:02:07,252 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2018-11-23 06:02:07,252 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:07,260 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-11-23 06:02:07,260 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:07,267 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-23 06:02:07,280 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 10 xjuncts. [2018-11-23 06:02:07,319 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 9 dim-0 vars, and 9 xjuncts. [2018-11-23 06:02:07,320 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 3 variables, input treesize:35, output treesize:95 [2018-11-23 06:02:07,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:07,478 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:02:07,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 25 [2018-11-23 06:02:07,478 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:02:07,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-23 06:02:07,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-23 06:02:07,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=539, Unknown=1, NotChecked=0, Total=650 [2018-11-23 06:02:07,479 INFO L87 Difference]: Start difference. First operand 115 states and 123 transitions. Second operand 21 states. [2018-11-23 06:02:08,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:02:08,103 INFO L93 Difference]: Finished difference Result 185 states and 193 transitions. [2018-11-23 06:02:08,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-23 06:02:08,104 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 27 [2018-11-23 06:02:08,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:02:08,104 INFO L225 Difference]: With dead ends: 185 [2018-11-23 06:02:08,105 INFO L226 Difference]: Without dead ends: 185 [2018-11-23 06:02:08,105 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 40 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 428 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=304, Invalid=1101, Unknown=1, NotChecked=0, Total=1406 [2018-11-23 06:02:08,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-11-23 06:02:08,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 121. [2018-11-23 06:02:08,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-11-23 06:02:08,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 130 transitions. [2018-11-23 06:02:08,107 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 130 transitions. Word has length 27 [2018-11-23 06:02:08,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:02:08,108 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 130 transitions. [2018-11-23 06:02:08,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-23 06:02:08,108 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 130 transitions. [2018-11-23 06:02:08,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 06:02:08,108 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:02:08,108 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:02:08,109 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr43ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44ENSURES_VIOLATIONMEMORY_LEAK, mainErr24REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr42ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-23 06:02:08,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:08,109 INFO L82 PathProgramCache]: Analyzing trace with hash -997160797, now seen corresponding path program 1 times [2018-11-23 06:02:08,109 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:02:08,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:08,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:08,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:08,110 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:02:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:08,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:08,315 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:02:08,315 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:02:08,316 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 28 with the following transitions: [2018-11-23 06:02:08,316 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [6], [9], [12], [17], [20], [52], [55], [56], [59], [62], [65], [73], [77], [85], [87], [92], [96], [103], [107], [112], [115], [215], [216], [217] [2018-11-23 06:02:08,317 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:02:08,317 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:02:08,363 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:02:08,363 INFO L272 AbstractInterpreter]: Visited 27 different actions 35 times. Merged at 8 different actions 8 times. Never widened. Performed 260 root evaluator evaluations with a maximum evaluation depth of 3. Performed 260 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 29 variables. [2018-11-23 06:02:08,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:08,369 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:02:08,369 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:02:08,369 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:02:08,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:08,381 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:02:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:08,403 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:02:08,406 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-23 06:02:08,406 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:08,408 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:08,408 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-23 06:02:08,426 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:08,427 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:08,427 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-23 06:02:08,427 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:08,434 INFO L478 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 6 treesize of output 5 [2018-11-23 06:02:08,434 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:08,440 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:08,440 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-11-23 06:02:08,446 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 06:02:08,448 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-23 06:02:08,448 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:08,450 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:08,458 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 06:02:08,459 INFO L478 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 [2018-11-23 06:02:08,459 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:08,461 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:08,470 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:08,470 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:38, output treesize:31 [2018-11-23 06:02:08,490 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 40 [2018-11-23 06:02:08,493 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 1 [2018-11-23 06:02:08,493 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:08,496 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:08,505 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 45 [2018-11-23 06:02:08,507 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 1 [2018-11-23 06:02:08,507 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:08,510 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:08,514 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:08,514 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:87, output treesize:25 [2018-11-23 06:02:08,538 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2018-11-23 06:02:08,541 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-11-23 06:02:08,541 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:08,545 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:08,551 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-23 06:02:08,553 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-23 06:02:08,553 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:08,554 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:08,557 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:08,557 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:9 [2018-11-23 06:02:08,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:08,563 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:02:08,613 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:08,617 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:08,630 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:08,632 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:08,642 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:08,655 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:08,663 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:08,665 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:08,669 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-11-23 06:02:08,669 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 6 variables, input treesize:107, output treesize:55 [2018-11-23 06:02:09,465 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 61 [2018-11-23 06:02:09,481 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-23 06:02:09,481 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,497 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-11-23 06:02:09,499 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-23 06:02:09,499 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,502 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,509 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 54 [2018-11-23 06:02:09,512 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 47 [2018-11-23 06:02:09,512 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:09,533 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 46 [2018-11-23 06:02:09,534 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 06:02:09,551 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2018-11-23 06:02:09,551 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,562 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-23 06:02:09,584 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 10 xjuncts. [2018-11-23 06:02:09,650 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 55 [2018-11-23 06:02:09,669 INFO L478 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 [2018-11-23 06:02:09,670 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,692 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 33 [2018-11-23 06:02:09,696 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2018-11-23 06:02:09,697 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,700 INFO L267 ElimStorePlain]: Start of recursive call 12: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,702 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-11-23 06:02:09,703 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-23 06:02:09,704 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,706 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,714 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:02:09,716 INFO L478 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 44 treesize of output 37 [2018-11-23 06:02:09,729 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-23 06:02:09,730 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,735 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2018-11-23 06:02:09,737 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-23 06:02:09,737 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,740 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2018-11-23 06:02:09,740 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,741 INFO L267 ElimStorePlain]: Start of recursive call 18: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,743 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,746 INFO L478 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 46 treesize of output 39 [2018-11-23 06:02:09,759 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-23 06:02:09,759 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,766 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2018-11-23 06:02:09,768 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2018-11-23 06:02:09,768 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,771 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-23 06:02:09,772 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,773 INFO L267 ElimStorePlain]: Start of recursive call 23: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,775 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,778 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 36 [2018-11-23 06:02:09,795 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-23 06:02:09,795 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,807 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24 [2018-11-23 06:02:09,815 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2018-11-23 06:02:09,816 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 2 xjuncts. [2018-11-23 06:02:09,825 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-11-23 06:02:09,826 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,832 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 3 [2018-11-23 06:02:09,832 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,836 INFO L267 ElimStorePlain]: Start of recursive call 28: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:02:09,840 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:02:09,843 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 41 [2018-11-23 06:02:09,856 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-23 06:02:09,856 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,863 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2018-11-23 06:02:09,865 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-23 06:02:09,865 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,867 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,870 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,872 INFO L478 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 78 treesize of output 55 [2018-11-23 06:02:09,895 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-23 06:02:09,895 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,916 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-11-23 06:02:09,918 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-23 06:02:09,919 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,922 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,924 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 28 [2018-11-23 06:02:09,926 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-23 06:02:09,926 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,932 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-11-23 06:02:09,932 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,935 INFO L267 ElimStorePlain]: Start of recursive call 40: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,944 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:02:09,947 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 39 [2018-11-23 06:02:09,960 INFO L478 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 [2018-11-23 06:02:09,960 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,970 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24 [2018-11-23 06:02:09,973 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-11-23 06:02:09,973 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,982 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 3 [2018-11-23 06:02:09,982 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,990 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2018-11-23 06:02:09,991 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,992 INFO L267 ElimStorePlain]: Start of recursive call 45: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,994 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:09,996 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 34 [2018-11-23 06:02:10,008 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-23 06:02:10,008 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:10,016 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24 [2018-11-23 06:02:10,017 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2018-11-23 06:02:10,018 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:10,024 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-11-23 06:02:10,025 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:10,032 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2018-11-23 06:02:10,033 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 2 xjuncts. [2018-11-23 06:02:10,036 INFO L267 ElimStorePlain]: Start of recursive call 51: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:02:10,041 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:02:10,043 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2018-11-23 06:02:10,056 INFO L478 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 [2018-11-23 06:02:10,056 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:10,065 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24 [2018-11-23 06:02:10,067 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2018-11-23 06:02:10,067 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:10,073 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-11-23 06:02:10,074 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:10,079 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2018-11-23 06:02:10,079 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:10,080 INFO L267 ElimStorePlain]: Start of recursive call 57: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:10,082 INFO L267 ElimStorePlain]: Start of recursive call 55: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:10,111 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 29 [2018-11-23 06:02:10,123 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-23 06:02:10,123 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:10,133 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-11-23 06:02:10,134 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-23 06:02:10,134 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:10,139 INFO L267 ElimStorePlain]: Start of recursive call 63: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:10,143 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2018-11-23 06:02:10,149 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 14 [2018-11-23 06:02:10,149 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 2 xjuncts. [2018-11-23 06:02:10,155 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2018-11-23 06:02:10,156 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:10,162 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-11-23 06:02:10,162 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:10,165 INFO L267 ElimStorePlain]: Start of recursive call 65: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:02:10,182 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 10 xjuncts. [2018-11-23 06:02:10,220 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 3 dim-2 vars, End of recursive call: and 9 xjuncts. [2018-11-23 06:02:10,220 INFO L202 ElimStorePlain]: Needed 68 recursive calls to eliminate 8 variables, input treesize:103, output treesize:57 [2018-11-23 06:02:10,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:10,293 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:02:10,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 25 [2018-11-23 06:02:10,293 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:02:10,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 06:02:10,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 06:02:10,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=560, Unknown=0, NotChecked=0, Total=650 [2018-11-23 06:02:10,294 INFO L87 Difference]: Start difference. First operand 121 states and 130 transitions. Second operand 17 states. [2018-11-23 06:02:10,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:02:10,739 INFO L93 Difference]: Finished difference Result 206 states and 213 transitions. [2018-11-23 06:02:10,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 06:02:10,740 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 27 [2018-11-23 06:02:10,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:02:10,740 INFO L225 Difference]: With dead ends: 206 [2018-11-23 06:02:10,740 INFO L226 Difference]: Without dead ends: 206 [2018-11-23 06:02:10,741 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 39 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=232, Invalid=958, Unknown=0, NotChecked=0, Total=1190 [2018-11-23 06:02:10,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-11-23 06:02:10,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 120. [2018-11-23 06:02:10,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-11-23 06:02:10,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 128 transitions. [2018-11-23 06:02:10,744 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 128 transitions. Word has length 27 [2018-11-23 06:02:10,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:02:10,744 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 128 transitions. [2018-11-23 06:02:10,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 06:02:10,744 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 128 transitions. [2018-11-23 06:02:10,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 06:02:10,744 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:02:10,745 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:02:10,745 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr43ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44ENSURES_VIOLATIONMEMORY_LEAK, mainErr24REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr42ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-23 06:02:10,745 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:10,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1553513866, now seen corresponding path program 1 times [2018-11-23 06:02:10,747 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:02:10,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:10,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:10,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:10,748 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:02:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:10,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:10,908 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:02:10,908 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:02:10,909 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 35 with the following transitions: [2018-11-23 06:02:10,909 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [6], [9], [12], [17], [20], [52], [55], [56], [59], [62], [65], [73], [77], [85], [90], [92], [96], [103], [107], [112], [115], [121], [128], [132], [137], [140], [145], [215], [216], [217] [2018-11-23 06:02:10,910 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:02:10,910 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:02:10,957 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:02:10,958 INFO L272 AbstractInterpreter]: Visited 33 different actions 46 times. Merged at 12 different actions 12 times. Never widened. Performed 328 root evaluator evaluations with a maximum evaluation depth of 3. Performed 328 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 32 variables. [2018-11-23 06:02:10,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:10,960 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:02:10,960 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:02:10,960 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:02:10,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:10,971 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:02:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:10,988 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:02:10,993 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-23 06:02:10,994 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,001 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,001 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-23 06:02:11,042 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-23 06:02:11,042 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,050 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:11,051 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:11,051 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-23 06:02:11,051 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,057 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,057 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-11-23 06:02:11,074 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 06:02:11,075 INFO L478 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 [2018-11-23 06:02:11,076 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,077 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,086 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 06:02:11,088 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-23 06:02:11,088 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,090 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,099 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,099 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:38, output treesize:31 [2018-11-23 06:02:11,118 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-23 06:02:11,119 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-23 06:02:11,120 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,122 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,126 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,126 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:39, output treesize:28 [2018-11-23 06:02:11,144 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2018-11-23 06:02:11,145 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 1 [2018-11-23 06:02:11,145 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,149 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,154 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 12 [2018-11-23 06:02:11,155 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-23 06:02:11,155 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,156 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,159 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,159 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:64, output treesize:29 [2018-11-23 06:02:11,189 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2018-11-23 06:02:11,191 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 17 [2018-11-23 06:02:11,191 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,194 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,197 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,197 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:36, output treesize:13 [2018-11-23 06:02:11,226 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 3 [2018-11-23 06:02:11,226 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,230 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-11-23 06:02:11,233 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 10 [2018-11-23 06:02:11,234 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-23 06:02:11,236 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 06:02:11,239 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-23 06:02:11,239 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:29, output treesize:18 [2018-11-23 06:02:11,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:11,272 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:02:11,479 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:11,487 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:11,489 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:11,497 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:11,537 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:11,543 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:11,544 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:11,549 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:11,579 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 50 [2018-11-23 06:02:11,581 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-23 06:02:11,581 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,585 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,587 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2018-11-23 06:02:11,588 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-11-23 06:02:11,588 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,592 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,621 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 43 [2018-11-23 06:02:11,622 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,623 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 29 [2018-11-23 06:02:11,624 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,650 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-2 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2018-11-23 06:02:11,650 INFO L202 ElimStorePlain]: Needed 15 recursive calls to eliminate 5 variables, input treesize:112, output treesize:162 [2018-11-23 06:02:11,772 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 50 [2018-11-23 06:02:11,789 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-23 06:02:11,789 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,805 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-11-23 06:02:11,807 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-23 06:02:11,807 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,817 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,823 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 31 [2018-11-23 06:02:11,826 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2018-11-23 06:02:11,826 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:11,837 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-11-23 06:02:11,838 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:11,858 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 21 [2018-11-23 06:02:11,859 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 06:02:11,870 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-23 06:02:11,893 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 10 xjuncts. [2018-11-23 06:02:11,977 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 46 [2018-11-23 06:02:11,996 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-23 06:02:11,996 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:12,015 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-11-23 06:02:12,017 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-23 06:02:12,017 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:12,020 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:12,025 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 27 [2018-11-23 06:02:12,027 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-11-23 06:02:12,027 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:12,038 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-23 06:02:12,038 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:12,048 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 12 [2018-11-23 06:02:12,049 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:12,057 INFO L267 ElimStorePlain]: Start of recursive call 14: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-11-23 06:02:12,075 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 7 xjuncts. [2018-11-23 06:02:12,200 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 32 [2018-11-23 06:02:12,214 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-23 06:02:12,214 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:12,228 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-11-23 06:02:12,229 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-23 06:02:12,229 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:12,233 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:12,238 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2018-11-23 06:02:12,240 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2018-11-23 06:02:12,241 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:12,252 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 14 [2018-11-23 06:02:12,253 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 06:02:12,261 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-11-23 06:02:12,262 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:12,269 INFO L267 ElimStorePlain]: Start of recursive call 22: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-23 06:02:12,283 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 10 xjuncts. [2018-11-23 06:02:12,438 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-2 vars, End of recursive call: 27 dim-0 vars, and 25 xjuncts. [2018-11-23 06:02:12,438 INFO L202 ElimStorePlain]: Needed 25 recursive calls to eliminate 6 variables, input treesize:182, output treesize:446 [2018-11-23 06:02:12,666 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-11-23 06:02:12,666 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:12,678 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2018-11-23 06:02:12,678 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:12,689 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2018-11-23 06:02:12,689 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:12,699 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-23 06:02:12,699 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 8 variables, input treesize:65, output treesize:32 [2018-11-23 06:02:12,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:12,767 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:02:12,767 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 36 [2018-11-23 06:02:12,767 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:02:12,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-11-23 06:02:12,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-11-23 06:02:12,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1157, Unknown=0, NotChecked=0, Total=1260 [2018-11-23 06:02:12,768 INFO L87 Difference]: Start difference. First operand 120 states and 128 transitions. Second operand 26 states. [2018-11-23 06:02:14,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:02:14,138 INFO L93 Difference]: Finished difference Result 192 states and 197 transitions. [2018-11-23 06:02:14,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-11-23 06:02:14,138 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 34 [2018-11-23 06:02:14,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:02:14,139 INFO L225 Difference]: With dead ends: 192 [2018-11-23 06:02:14,139 INFO L226 Difference]: Without dead ends: 192 [2018-11-23 06:02:14,140 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 49 SyntacticMatches, 3 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 639 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=537, Invalid=2885, Unknown=0, NotChecked=0, Total=3422 [2018-11-23 06:02:14,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2018-11-23 06:02:14,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 133. [2018-11-23 06:02:14,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-11-23 06:02:14,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 145 transitions. [2018-11-23 06:02:14,142 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 145 transitions. Word has length 34 [2018-11-23 06:02:14,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:02:14,143 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 145 transitions. [2018-11-23 06:02:14,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-11-23 06:02:14,143 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 145 transitions. [2018-11-23 06:02:14,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 06:02:14,145 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:02:14,145 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:02:14,146 INFO L423 AbstractCegarLoop]: === Iteration 14 === [mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr43ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44ENSURES_VIOLATIONMEMORY_LEAK, mainErr24REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr42ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-23 06:02:14,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:14,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1706032502, now seen corresponding path program 2 times [2018-11-23 06:02:14,146 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:02:14,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:14,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:14,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:14,147 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:02:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:14,337 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:14,337 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:02:14,337 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:02:14,337 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-23 06:02:14,337 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-23 06:02:14,338 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:02:14,338 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:02:14,353 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 06:02:14,353 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-23 06:02:14,396 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-11-23 06:02:14,396 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 06:02:14,398 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:02:14,401 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-23 06:02:14,401 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:14,411 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:14,411 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-23 06:02:14,430 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-23 06:02:14,432 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-23 06:02:14,432 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:14,434 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:14,440 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:14,440 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2018-11-23 06:02:14,462 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:14,463 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:14,463 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-23 06:02:14,463 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:14,470 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:14,470 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:23 [2018-11-23 06:02:14,494 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2018-11-23 06:02:14,496 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:14,498 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-11-23 06:02:14,498 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:14,502 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:14,512 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 06:02:14,514 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-11-23 06:02:14,515 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:14,517 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:14,523 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:14,524 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:49, output treesize:27 [2018-11-23 06:02:14,544 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-23 06:02:14,545 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2018-11-23 06:02:14,545 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:14,547 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:14,551 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:14,551 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:28, output treesize:17 [2018-11-23 06:02:14,571 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2018-11-23 06:02:14,572 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-23 06:02:14,573 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:14,577 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:14,582 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:14,582 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:26 [2018-11-23 06:02:14,671 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2018-11-23 06:02:14,673 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2018-11-23 06:02:14,673 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:14,682 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-23 06:02:14,682 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:14,684 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:14,689 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:14,689 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:43, output treesize:14 [2018-11-23 06:02:14,722 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 06:02:14,723 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:02:14,842 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:14,846 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:14,855 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:14,858 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:14,865 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-11-23 06:02:14,865 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:62, output treesize:46 [2018-11-23 06:02:14,983 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24 [2018-11-23 06:02:14,984 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-23 06:02:14,984 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:14,988 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:14,994 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2018-11-23 06:02:14,995 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2018-11-23 06:02:15,004 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:15,004 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:15,004 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 13 [2018-11-23 06:02:15,005 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:15,006 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2018-11-23 06:02:15,006 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:15,011 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 06:02:15,021 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 06:02:15,049 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2018-11-23 06:02:15,050 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:15,057 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2018-11-23 06:02:15,058 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 18 [2018-11-23 06:02:15,068 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2018-11-23 06:02:15,069 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:15,070 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:15,070 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:15,070 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 9 [2018-11-23 06:02:15,070 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:15,076 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 06:02:15,083 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 06:02:15,114 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2018-11-23 06:02:15,114 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 7 variables, input treesize:68, output treesize:118 [2018-11-23 06:02:15,228 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 06:02:15,252 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:02:15,252 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14, 11] imperfect sequences [15] total 34 [2018-11-23 06:02:15,253 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:02:15,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 06:02:15,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 06:02:15,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=968, Unknown=0, NotChecked=0, Total=1122 [2018-11-23 06:02:15,253 INFO L87 Difference]: Start difference. First operand 133 states and 145 transitions. Second operand 14 states. [2018-11-23 06:02:15,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:02:15,788 INFO L93 Difference]: Finished difference Result 165 states and 170 transitions. [2018-11-23 06:02:15,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 06:02:15,789 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 34 [2018-11-23 06:02:15,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:02:15,789 INFO L225 Difference]: With dead ends: 165 [2018-11-23 06:02:15,789 INFO L226 Difference]: Without dead ends: 165 [2018-11-23 06:02:15,790 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 48 SyntacticMatches, 5 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=322, Invalid=1484, Unknown=0, NotChecked=0, Total=1806 [2018-11-23 06:02:15,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-11-23 06:02:15,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 115. [2018-11-23 06:02:15,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-11-23 06:02:15,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 122 transitions. [2018-11-23 06:02:15,792 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 122 transitions. Word has length 34 [2018-11-23 06:02:15,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:02:15,792 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 122 transitions. [2018-11-23 06:02:15,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 06:02:15,792 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 122 transitions. [2018-11-23 06:02:15,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 06:02:15,793 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:02:15,793 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:02:15,793 INFO L423 AbstractCegarLoop]: === Iteration 15 === [mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr43ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr37REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr14REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr18REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr44ENSURES_VIOLATIONMEMORY_LEAK, mainErr24REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr42ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr31REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE]=== [2018-11-23 06:02:15,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:15,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1250163057, now seen corresponding path program 1 times [2018-11-23 06:02:15,794 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:02:15,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:15,794 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 06:02:15,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:02:15,795 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:02:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:15,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:15,946 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:02:15,946 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:02:15,946 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 36 with the following transitions: [2018-11-23 06:02:15,946 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [6], [9], [12], [17], [20], [22], [23], [26], [29], [30], [40], [44], [52], [55], [56], [59], [62], [65], [73], [77], [85], [90], [121], [128], [132], [137], [140], [145], [215], [216], [217] [2018-11-23 06:02:15,947 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:02:15,947 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:02:15,977 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:02:15,978 INFO L272 AbstractInterpreter]: Visited 34 different actions 34 times. Never merged. Never widened. Performed 270 root evaluator evaluations with a maximum evaluation depth of 3. Performed 270 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 33 variables. [2018-11-23 06:02:15,982 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:15,982 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:02:15,982 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:02:15,982 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:02:15,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:15,991 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:02:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:16,008 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:02:16,010 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-23 06:02:16,010 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:16,017 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:16,017 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-23 06:02:16,026 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:16,029 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:16,030 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-23 06:02:16,030 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:16,033 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:16,033 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-11-23 06:02:16,041 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 06:02:16,043 INFO L478 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 [2018-11-23 06:02:16,043 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:16,044 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:16,050 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:16,050 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:20 [2018-11-23 06:02:16,067 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2018-11-23 06:02:16,068 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2018-11-23 06:02:16,068 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:16,071 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:16,074 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:16,075 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:36, output treesize:17 [2018-11-23 06:02:16,084 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2018-11-23 06:02:16,086 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2018-11-23 06:02:16,086 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:16,089 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:16,092 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:16,092 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:36, output treesize:17 [2018-11-23 06:02:16,099 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:16,100 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:16,100 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-23 06:02:16,100 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:16,103 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:16,103 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:16 [2018-11-23 06:02:16,116 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 20 [2018-11-23 06:02:16,118 INFO L478 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 [2018-11-23 06:02:16,118 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:16,121 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:16,125 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:16,125 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:25 [2018-11-23 06:02:16,166 INFO L478 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 71 [2018-11-23 06:02:16,169 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 46 [2018-11-23 06:02:16,169 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:16,189 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 39 [2018-11-23 06:02:16,189 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-23 06:02:16,198 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 06:02:16,205 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 06:02:16,206 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:73, output treesize:49 [2018-11-23 06:02:16,236 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2018-11-23 06:02:16,237 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-11-23 06:02:16,237 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:16,244 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:16,247 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:16,247 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:5 [2018-11-23 06:02:16,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:16,256 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:02:16,278 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:16,283 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:16,284 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:16,284 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:19 [2018-11-23 06:02:19,576 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 37 [2018-11-23 06:02:19,577 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:19,579 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:19,579 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:42, output treesize:33 [2018-11-23 06:02:21,921 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:21,923 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:21,927 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:21,927 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:60, output treesize:50 [2018-11-23 06:02:21,981 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:21,985 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:21,985 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:21,990 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:21,991 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:22,005 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:22,024 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 10 dim-0 vars, and 2 xjuncts. [2018-11-23 06:02:22,024 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:70, output treesize:83 [2018-11-23 06:02:26,360 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:26,360 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:26,361 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 79 [2018-11-23 06:02:26,361 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:26,375 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:26,376 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:26,376 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 45 [2018-11-23 06:02:26,376 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:26,390 INFO L478 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 45 treesize of output 38 [2018-11-23 06:02:26,399 INFO L478 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 [2018-11-23 06:02:26,400 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:26,416 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 49 [2018-11-23 06:02:26,422 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2018-11-23 06:02:26,422 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:26,454 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 47 [2018-11-23 06:02:26,457 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:26,467 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 53 [2018-11-23 06:02:26,505 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:26,510 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36 [2018-11-23 06:02:26,510 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-11-23 06:02:26,512 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:26,516 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2018-11-23 06:02:26,516 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-11-23 06:02:26,549 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:26,550 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 28 [2018-11-23 06:02:26,551 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:26,578 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-23 06:02:26,611 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:26,612 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 39 [2018-11-23 06:02:26,623 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:26,627 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 22 [2018-11-23 06:02:26,627 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-11-23 06:02:26,629 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:26,630 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2018-11-23 06:02:26,630 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:26,644 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-23 06:02:26,664 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:02:26,702 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 34 [2018-11-23 06:02:26,705 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:26,706 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2018-11-23 06:02:26,715 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:26,720 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 22 [2018-11-23 06:02:26,721 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2018-11-23 06:02:26,725 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:26,729 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2018-11-23 06:02:26,730 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:26,744 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-23 06:02:26,759 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:02:26,807 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2018-11-23 06:02:26,807 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:26,808 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2018-11-23 06:02:26,809 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:26,810 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2018-11-23 06:02:26,810 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:26,869 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2018-11-23 06:02:26,870 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:26,911 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 30 treesize of output 54 [2018-11-23 06:02:26,915 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-23 06:02:26,915 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:26,943 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:26,943 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:26,946 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 52 [2018-11-23 06:02:26,971 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:26,971 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:26,973 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2018-11-23 06:02:26,973 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:26,976 INFO L478 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 28 treesize of output 22 [2018-11-23 06:02:26,977 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:26,990 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:02:27,014 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:27,014 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:27,022 INFO L478 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 62 [2018-11-23 06:02:27,067 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:27,068 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2018-11-23 06:02:27,068 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:27,091 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:27,091 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:27,093 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2018-11-23 06:02:27,093 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:27,095 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:27,095 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:27,097 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 33 [2018-11-23 06:02:27,097 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:27,116 INFO L267 ElimStorePlain]: Start of recursive call 29: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:02:27,147 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:27,157 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 53 [2018-11-23 06:02:27,192 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:27,195 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 35 [2018-11-23 06:02:27,196 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 2 xjuncts. [2018-11-23 06:02:27,226 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:27,236 INFO L478 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 38 [2018-11-23 06:02:27,237 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 3 xjuncts. [2018-11-23 06:02:27,239 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:27,249 INFO L478 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 40 [2018-11-23 06:02:27,249 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 3 xjuncts. [2018-11-23 06:02:27,288 INFO L267 ElimStorePlain]: Start of recursive call 33: 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-11-23 06:02:27,326 INFO L267 ElimStorePlain]: Start of recursive call 24: 4 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-11-23 06:02:27,354 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 25 [2018-11-23 06:02:27,355 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:27,356 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2018-11-23 06:02:27,365 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:27,369 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 22 [2018-11-23 06:02:27,369 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 2 xjuncts. [2018-11-23 06:02:27,370 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:27,371 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2018-11-23 06:02:27,372 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:27,387 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-23 06:02:27,402 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:02:27,427 INFO L267 ElimStorePlain]: Start of recursive call 6: 8 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-11-23 06:02:27,432 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 23 [2018-11-23 06:02:27,434 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2018-11-23 06:02:27,434 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:27,443 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2018-11-23 06:02:27,443 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:27,451 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2018-11-23 06:02:27,451 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:27,457 INFO L267 ElimStorePlain]: Start of recursive call 41: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 06:02:27,459 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 32 [2018-11-23 06:02:27,461 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-23 06:02:27,461 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:27,465 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 22 [2018-11-23 06:02:27,467 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:27,468 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2018-11-23 06:02:27,476 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:27,477 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2018-11-23 06:02:27,477 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:27,479 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:27,483 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 22 [2018-11-23 06:02:27,483 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 2 xjuncts. [2018-11-23 06:02:27,496 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-23 06:02:27,508 INFO L267 ElimStorePlain]: Start of recursive call 47: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:02:27,519 INFO L267 ElimStorePlain]: Start of recursive call 45: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:02:27,545 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-11-23 06:02:27,588 INFO L478 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 79 treesize of output 56 [2018-11-23 06:02:27,590 INFO L478 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 [2018-11-23 06:02:27,591 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:27,626 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 79 [2018-11-23 06:02:27,676 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 57 [2018-11-23 06:02:27,678 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:27,680 INFO L478 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 24 [2018-11-23 06:02:27,680 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:27,688 INFO L267 ElimStorePlain]: Start of recursive call 54: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:27,691 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 63 [2018-11-23 06:02:27,702 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:27,703 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 24 [2018-11-23 06:02:27,703 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:27,713 INFO L267 ElimStorePlain]: Start of recursive call 56: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:27,715 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 66 [2018-11-23 06:02:27,717 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:27,718 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 24 [2018-11-23 06:02:27,719 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:27,728 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:27,829 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 46 treesize of output 70 [2018-11-23 06:02:27,832 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:27,833 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2018-11-23 06:02:27,833 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:27,865 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:27,881 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 69 [2018-11-23 06:02:27,881 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 2 xjuncts. [2018-11-23 06:02:27,915 INFO L267 ElimStorePlain]: Start of recursive call 60: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:02:27,930 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 52 treesize of output 76 [2018-11-23 06:02:27,933 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:27,941 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 75 [2018-11-23 06:02:27,941 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 2 xjuncts. [2018-11-23 06:02:27,976 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:27,978 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 62 [2018-11-23 06:02:27,978 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:28,009 INFO L267 ElimStorePlain]: Start of recursive call 63: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:02:28,128 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 51 [2018-11-23 06:02:28,130 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:28,131 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-11-23 06:02:28,131 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:28,137 INFO L267 ElimStorePlain]: Start of recursive call 66: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:28,139 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2018-11-23 06:02:28,143 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2018-11-23 06:02:28,143 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 2 xjuncts. [2018-11-23 06:02:28,152 INFO L267 ElimStorePlain]: Start of recursive call 68: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 06:02:28,154 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 56 [2018-11-23 06:02:28,168 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-11-23 06:02:28,169 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:28,179 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-23 06:02:28,179 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:28,187 INFO L267 ElimStorePlain]: Start of recursive call 70: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 06:02:28,189 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 49 [2018-11-23 06:02:28,190 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-23 06:02:28,190 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:28,197 INFO L267 ElimStorePlain]: Start of recursive call 73: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:28,199 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 62 [2018-11-23 06:02:28,220 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2018-11-23 06:02:28,220 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 2 xjuncts. [2018-11-23 06:02:28,235 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-11-23 06:02:28,235 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:28,245 INFO L267 ElimStorePlain]: Start of recursive call 75: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-23 06:02:28,248 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 58 [2018-11-23 06:02:28,269 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:02:28,271 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-11-23 06:02:28,271 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:28,285 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-11-23 06:02:28,285 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:28,292 INFO L267 ElimStorePlain]: Start of recursive call 78: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 06:02:28,442 INFO L478 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 3 case distinctions, treesize of input 56 treesize of output 82 [2018-11-23 06:02:28,446 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 54 [2018-11-23 06:02:28,446 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:28,506 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 45 [2018-11-23 06:02:28,506 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:28,552 INFO L267 ElimStorePlain]: Start of recursive call 81: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-23 06:02:28,558 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 70 [2018-11-23 06:02:28,558 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 2 xjuncts. [2018-11-23 06:02:28,745 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 47 [2018-11-23 06:02:28,947 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:02:28,948 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: nested self-update not yet implemented: (store v_prenex_89 (+ v_prenex_64 4) v_prenex_63) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:219) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:208) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.convert(DerPreprocessor.java:191) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:253) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:211) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:418) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getTraceCheck(BaseTaipanRefinementStrategy.java:214) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 06:02:28,953 INFO L168 Benchmark]: Toolchain (without parser) took 27862.36 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 274.7 MB). Free memory was 955.5 MB in the beginning and 970.7 MB in the end (delta: -15.2 MB). Peak memory consumption was 412.1 MB. Max. memory is 11.5 GB. [2018-11-23 06:02:28,955 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. [2018-11-23 06:02:28,955 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -145.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. [2018-11-23 06:02:28,956 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:02:28,956 INFO L168 Benchmark]: Boogie Preprocessor took 26.41 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:02:28,957 INFO L168 Benchmark]: RCFGBuilder took 385.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 36.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 11.5 GB. [2018-11-23 06:02:28,957 INFO L168 Benchmark]: TraceAbstraction took 27066.78 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 163.1 MB). Free memory was 1.1 GB in the beginning and 970.7 MB in the end (delta: 90.2 MB). Peak memory consumption was 405.9 MB. Max. memory is 11.5 GB. [2018-11-23 06:02:28,960 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 357.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -145.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.41 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 385.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 36.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27066.78 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 163.1 MB). Free memory was 1.1 GB in the beginning and 970.7 MB in the end (delta: 90.2 MB). Peak memory consumption was 405.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: nested self-update not yet implemented: (store v_prenex_89 (+ v_prenex_64 4) v_prenex_63) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: nested self-update not yet implemented: (store v_prenex_89 (+ v_prenex_64 4) v_prenex_63): de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 06:02:30,378 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:02:30,379 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:02:30,386 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:02:30,386 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:02:30,387 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:02:30,388 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:02:30,389 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:02:30,390 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:02:30,391 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:02:30,391 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:02:30,392 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:02:30,392 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:02:30,393 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:02:30,394 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:02:30,395 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:02:30,395 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:02:30,397 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:02:30,398 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:02:30,399 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:02:30,400 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:02:30,401 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:02:30,403 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:02:30,403 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:02:30,403 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:02:30,404 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:02:30,404 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:02:30,405 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:02:30,406 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:02:30,406 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:02:30,407 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:02:30,407 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:02:30,407 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:02:30,407 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:02:30,408 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:02:30,409 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:02:30,409 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2018-11-23 06:02:30,420 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:02:30,420 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:02:30,421 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:02:30,421 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:02:30,421 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 06:02:30,421 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 06:02:30,421 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 06:02:30,421 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 06:02:30,421 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 06:02:30,421 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 06:02:30,422 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:02:30,422 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:02:30,422 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:02:30,422 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:02:30,422 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 06:02:30,422 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:02:30,423 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:02:30,423 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:02:30,423 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-23 06:02:30,423 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-23 06:02:30,423 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-23 06:02:30,423 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:02:30,423 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 06:02:30,423 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 06:02:30,423 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:02:30,424 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:02:30,424 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:02:30,424 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:02:30,424 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:02:30,424 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:02:30,424 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:02:30,424 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:02:30,424 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:02:30,424 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 06:02:30,424 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:02:30,424 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 06:02:30,424 INFO L133 SettingsManager]: * Logic for external solver=AUFBV 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_01b29995-f41f-4b44-a8d6-df13f2e5c26f/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> ba8e1e3b81a4ef74bb5d2812e833b1076e8dddee [2018-11-23 06:02:30,456 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:02:30,465 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:02:30,468 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:02:30,469 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:02:30,469 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:02:30,470 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/../../sv-benchmarks/c/forester-heap/sll-token_true-unreach-call_true-valid-memsafety.i [2018-11-23 06:02:30,513 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/data/6179b0e2c/aaaa0d27b7f04a8183c81831795d1643/FLAG6d31e1312 [2018-11-23 06:02:30,941 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:02:30,942 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/sv-benchmarks/c/forester-heap/sll-token_true-unreach-call_true-valid-memsafety.i [2018-11-23 06:02:30,950 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/data/6179b0e2c/aaaa0d27b7f04a8183c81831795d1643/FLAG6d31e1312 [2018-11-23 06:02:30,957 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/data/6179b0e2c/aaaa0d27b7f04a8183c81831795d1643 [2018-11-23 06:02:30,959 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:02:30,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:02:30,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:02:30,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:02:30,963 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:02:30,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:02:30" (1/1) ... [2018-11-23 06:02:30,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d9c8834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:02:30, skipping insertion in model container [2018-11-23 06:02:30,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:02:30" (1/1) ... [2018-11-23 06:02:30,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:02:30,999 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:02:31,205 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:02:31,215 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:02:31,252 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:02:31,289 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:02:31,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:02:31 WrapperNode [2018-11-23 06:02:31,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:02:31,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:02:31,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:02:31,291 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:02:31,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:02:31" (1/1) ... [2018-11-23 06:02:31,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:02:31" (1/1) ... [2018-11-23 06:02:31,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:02:31,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:02:31,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:02:31,350 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:02:31,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:02:31" (1/1) ... [2018-11-23 06:02:31,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:02:31" (1/1) ... [2018-11-23 06:02:31,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:02:31" (1/1) ... [2018-11-23 06:02:31,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:02:31" (1/1) ... [2018-11-23 06:02:31,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:02:31" (1/1) ... [2018-11-23 06:02:31,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:02:31" (1/1) ... [2018-11-23 06:02:31,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:02:31" (1/1) ... [2018-11-23 06:02:31,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:02:31,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:02:31,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:02:31,379 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:02:31,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:02:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:02:31,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 06:02:31,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 06:02:31,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 06:02:31,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 06:02:31,411 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 06:02:31,411 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 06:02:31,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 06:02:31,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 06:02:31,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 06:02:31,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 06:02:31,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:02:31,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:02:31,823 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:02:31,823 INFO L280 CfgBuilder]: Removed 15 assue(true) statements. [2018-11-23 06:02:31,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:02:31 BoogieIcfgContainer [2018-11-23 06:02:31,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:02:31,824 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:02:31,824 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:02:31,826 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:02:31,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:02:30" (1/3) ... [2018-11-23 06:02:31,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bdf8419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:02:31, skipping insertion in model container [2018-11-23 06:02:31,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:02:31" (2/3) ... [2018-11-23 06:02:31,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bdf8419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:02:31, skipping insertion in model container [2018-11-23 06:02:31,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:02:31" (3/3) ... [2018-11-23 06:02:31,827 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-token_true-unreach-call_true-valid-memsafety.i [2018-11-23 06:02:31,833 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:02:31,837 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 45 error locations. [2018-11-23 06:02:31,846 INFO L257 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2018-11-23 06:02:31,864 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 06:02:31,864 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:02:31,865 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-23 06:02:31,865 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:02:31,865 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:02:31,865 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:02:31,865 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:02:31,865 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:02:31,865 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:02:31,877 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2018-11-23 06:02:31,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 06:02:31,882 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:02:31,882 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:02:31,884 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr19REQUIRES_VIOLATION, mainErr44ENSURES_VIOLATIONMEMORY_LEAK, mainErr18REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr43ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE, mainErr21REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr42ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION]=== [2018-11-23 06:02:31,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:31,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1597393927, now seen corresponding path program 1 times [2018-11-23 06:02:31,889 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 06:02:31,889 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 06:02:31,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:31,933 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:02:31,964 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-23 06:02:31,966 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:31,974 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:31,974 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-23 06:02:31,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:31,981 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 06:02:31,986 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:02:31,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 06:02:31,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:02:31,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:02:31,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:02:31,998 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 3 states. [2018-11-23 06:02:32,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:02:32,155 INFO L93 Difference]: Finished difference Result 117 states and 120 transitions. [2018-11-23 06:02:32,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:02:32,156 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-23 06:02:32,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:02:32,165 INFO L225 Difference]: With dead ends: 117 [2018-11-23 06:02:32,165 INFO L226 Difference]: Without dead ends: 114 [2018-11-23 06:02:32,166 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:02:32,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-11-23 06:02:32,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 98. [2018-11-23 06:02:32,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-11-23 06:02:32,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 100 transitions. [2018-11-23 06:02:32,194 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 100 transitions. Word has length 7 [2018-11-23 06:02:32,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:02:32,194 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 100 transitions. [2018-11-23 06:02:32,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:02:32,194 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 100 transitions. [2018-11-23 06:02:32,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 06:02:32,195 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:02:32,195 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:02:32,195 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr19REQUIRES_VIOLATION, mainErr44ENSURES_VIOLATIONMEMORY_LEAK, mainErr18REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr43ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE, mainErr21REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr42ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION]=== [2018-11-23 06:02:32,195 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:32,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1597393926, now seen corresponding path program 1 times [2018-11-23 06:02:32,196 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 06:02:32,196 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 06:02:32,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:32,236 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:02:32,242 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-23 06:02:32,242 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:32,255 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:32,255 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-23 06:02:32,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:32,264 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 06:02:32,269 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:02:32,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 06:02:32,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:02:32,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:02:32,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:02:32,271 INFO L87 Difference]: Start difference. First operand 98 states and 100 transitions. Second operand 3 states. [2018-11-23 06:02:32,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:02:32,424 INFO L93 Difference]: Finished difference Result 118 states and 120 transitions. [2018-11-23 06:02:32,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:02:32,424 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-23 06:02:32,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:02:32,425 INFO L225 Difference]: With dead ends: 118 [2018-11-23 06:02:32,425 INFO L226 Difference]: Without dead ends: 118 [2018-11-23 06:02:32,426 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:02:32,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-11-23 06:02:32,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 96. [2018-11-23 06:02:32,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-11-23 06:02:32,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 98 transitions. [2018-11-23 06:02:32,433 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 98 transitions. Word has length 7 [2018-11-23 06:02:32,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:02:32,433 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 98 transitions. [2018-11-23 06:02:32,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:02:32,433 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 98 transitions. [2018-11-23 06:02:32,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 06:02:32,433 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:02:32,434 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:02:32,434 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr19REQUIRES_VIOLATION, mainErr44ENSURES_VIOLATIONMEMORY_LEAK, mainErr18REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr43ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE, mainErr21REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr42ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION]=== [2018-11-23 06:02:32,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:32,434 INFO L82 PathProgramCache]: Analyzing trace with hash -60604708, now seen corresponding path program 1 times [2018-11-23 06:02:32,434 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 06:02:32,434 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 06:02:32,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:32,476 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:02:32,481 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-23 06:02:32,481 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:32,486 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:32,486 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-23 06:02:32,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:32,506 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 06:02:32,507 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:02:32,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:02:32,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 06:02:32,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 06:02:32,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 06:02:32,508 INFO L87 Difference]: Start difference. First operand 96 states and 98 transitions. Second operand 4 states. [2018-11-23 06:02:32,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:02:32,721 INFO L93 Difference]: Finished difference Result 98 states and 101 transitions. [2018-11-23 06:02:32,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 06:02:32,722 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-11-23 06:02:32,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:02:32,723 INFO L225 Difference]: With dead ends: 98 [2018-11-23 06:02:32,723 INFO L226 Difference]: Without dead ends: 98 [2018-11-23 06:02:32,724 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 06:02:32,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-11-23 06:02:32,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 85. [2018-11-23 06:02:32,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-11-23 06:02:32,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 89 transitions. [2018-11-23 06:02:32,729 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 89 transitions. Word has length 11 [2018-11-23 06:02:32,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:02:32,730 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 89 transitions. [2018-11-23 06:02:32,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 06:02:32,730 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 89 transitions. [2018-11-23 06:02:32,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 06:02:32,730 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:02:32,730 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:02:32,731 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr19REQUIRES_VIOLATION, mainErr44ENSURES_VIOLATIONMEMORY_LEAK, mainErr18REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr43ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE, mainErr21REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr42ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION]=== [2018-11-23 06:02:32,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:32,731 INFO L82 PathProgramCache]: Analyzing trace with hash -60604707, now seen corresponding path program 1 times [2018-11-23 06:02:32,731 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 06:02:32,732 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/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 [2018-11-23 06:02:32,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:32,767 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:02:32,772 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-23 06:02:32,772 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:32,784 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:32,784 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-23 06:02:32,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:32,796 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 06:02:32,797 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:02:32,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:02:32,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 06:02:32,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 06:02:32,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 06:02:32,798 INFO L87 Difference]: Start difference. First operand 85 states and 89 transitions. Second operand 4 states. [2018-11-23 06:02:33,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:02:33,071 INFO L93 Difference]: Finished difference Result 146 states and 150 transitions. [2018-11-23 06:02:33,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 06:02:33,072 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-11-23 06:02:33,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:02:33,073 INFO L225 Difference]: With dead ends: 146 [2018-11-23 06:02:33,073 INFO L226 Difference]: Without dead ends: 146 [2018-11-23 06:02:33,073 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 06:02:33,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-11-23 06:02:33,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 112. [2018-11-23 06:02:33,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-11-23 06:02:33,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 119 transitions. [2018-11-23 06:02:33,079 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 119 transitions. Word has length 11 [2018-11-23 06:02:33,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:02:33,079 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 119 transitions. [2018-11-23 06:02:33,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 06:02:33,080 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 119 transitions. [2018-11-23 06:02:33,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 06:02:33,080 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:02:33,080 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:02:33,081 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr19REQUIRES_VIOLATION, mainErr44ENSURES_VIOLATIONMEMORY_LEAK, mainErr18REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr43ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE, mainErr21REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr42ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION]=== [2018-11-23 06:02:33,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:33,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1587613473, now seen corresponding path program 1 times [2018-11-23 06:02:33,081 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 06:02:33,081 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 06:02:33,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:33,122 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:02:33,137 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-11-23 06:02:33,137 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:33,143 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:33,143 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2018-11-23 06:02:33,160 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 06:02:33,162 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-23 06:02:33,163 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:33,166 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:33,171 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:33,171 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:11 [2018-11-23 06:02:33,183 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-11-23 06:02:33,187 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2018-11-23 06:02:33,187 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:33,192 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:33,194 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:33,194 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:7 [2018-11-23 06:02:33,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:33,214 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 06:02:33,215 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:02:33,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 06:02:33,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 06:02:33,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 06:02:33,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:02:33,216 INFO L87 Difference]: Start difference. First operand 112 states and 119 transitions. Second operand 7 states. [2018-11-23 06:02:33,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:02:33,751 INFO L93 Difference]: Finished difference Result 165 states and 175 transitions. [2018-11-23 06:02:33,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 06:02:33,751 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-11-23 06:02:33,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:02:33,752 INFO L225 Difference]: With dead ends: 165 [2018-11-23 06:02:33,752 INFO L226 Difference]: Without dead ends: 165 [2018-11-23 06:02:33,752 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:02:33,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-11-23 06:02:33,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 111. [2018-11-23 06:02:33,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-11-23 06:02:33,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 118 transitions. [2018-11-23 06:02:33,758 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 118 transitions. Word has length 14 [2018-11-23 06:02:33,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:02:33,758 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 118 transitions. [2018-11-23 06:02:33,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 06:02:33,759 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 118 transitions. [2018-11-23 06:02:33,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 06:02:33,759 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:02:33,759 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:02:33,760 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr19REQUIRES_VIOLATION, mainErr44ENSURES_VIOLATIONMEMORY_LEAK, mainErr18REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr43ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE, mainErr21REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr42ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION]=== [2018-11-23 06:02:33,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:33,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1587613472, now seen corresponding path program 1 times [2018-11-23 06:02:33,760 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 06:02:33,760 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/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 [2018-11-23 06:02:33,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:33,811 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:02:33,814 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-23 06:02:33,814 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:33,820 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:33,821 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-23 06:02:33,838 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 06:02:33,840 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-23 06:02:33,841 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:33,843 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:33,855 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 06:02:33,857 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-23 06:02:33,857 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:33,859 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:33,865 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:33,865 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:30, output treesize:19 [2018-11-23 06:02:33,875 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-23 06:02:33,878 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-23 06:02:33,878 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:33,880 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:33,887 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-11-23 06:02:33,889 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2018-11-23 06:02:33,889 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:33,891 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:33,894 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:33,894 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:33, output treesize:11 [2018-11-23 06:02:33,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:33,912 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 06:02:33,913 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:02:33,913 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 06:02:33,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:02:33,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:02:33,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:02:33,914 INFO L87 Difference]: Start difference. First operand 111 states and 118 transitions. Second operand 6 states. [2018-11-23 06:02:34,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:02:34,484 INFO L93 Difference]: Finished difference Result 184 states and 196 transitions. [2018-11-23 06:02:34,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 06:02:34,485 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2018-11-23 06:02:34,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:02:34,486 INFO L225 Difference]: With dead ends: 184 [2018-11-23 06:02:34,486 INFO L226 Difference]: Without dead ends: 184 [2018-11-23 06:02:34,486 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-11-23 06:02:34,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-11-23 06:02:34,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 98. [2018-11-23 06:02:34,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-11-23 06:02:34,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 104 transitions. [2018-11-23 06:02:34,490 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 104 transitions. Word has length 14 [2018-11-23 06:02:34,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:02:34,490 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 104 transitions. [2018-11-23 06:02:34,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:02:34,491 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 104 transitions. [2018-11-23 06:02:34,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 06:02:34,491 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:02:34,491 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:02:34,491 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr19REQUIRES_VIOLATION, mainErr44ENSURES_VIOLATIONMEMORY_LEAK, mainErr18REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr43ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE, mainErr21REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr42ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION]=== [2018-11-23 06:02:34,492 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:34,492 INFO L82 PathProgramCache]: Analyzing trace with hash -2000962784, now seen corresponding path program 1 times [2018-11-23 06:02:34,492 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 06:02:34,492 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 06:02:34,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:34,544 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:02:34,558 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-11-23 06:02:34,558 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:34,562 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:34,562 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2018-11-23 06:02:34,574 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 06:02:34,576 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-23 06:02:34,576 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:34,579 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:34,584 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:34,584 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:11 [2018-11-23 06:02:34,598 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-11-23 06:02:34,600 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2018-11-23 06:02:34,600 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:34,601 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:34,602 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:34,602 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:7 [2018-11-23 06:02:34,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:34,608 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 06:02:34,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:02:34,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 06:02:34,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:02:34,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:02:34,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:02:34,610 INFO L87 Difference]: Start difference. First operand 98 states and 104 transitions. Second operand 6 states. [2018-11-23 06:02:34,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:02:34,841 INFO L93 Difference]: Finished difference Result 100 states and 104 transitions. [2018-11-23 06:02:34,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 06:02:34,842 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-11-23 06:02:34,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:02:34,842 INFO L225 Difference]: With dead ends: 100 [2018-11-23 06:02:34,842 INFO L226 Difference]: Without dead ends: 100 [2018-11-23 06:02:34,843 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-11-23 06:02:34,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-11-23 06:02:34,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 97. [2018-11-23 06:02:34,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-11-23 06:02:34,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 103 transitions. [2018-11-23 06:02:34,846 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 103 transitions. Word has length 15 [2018-11-23 06:02:34,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:02:34,846 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 103 transitions. [2018-11-23 06:02:34,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:02:34,846 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 103 transitions. [2018-11-23 06:02:34,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 06:02:34,847 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:02:34,847 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:02:34,847 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr19REQUIRES_VIOLATION, mainErr44ENSURES_VIOLATIONMEMORY_LEAK, mainErr18REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr43ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE, mainErr21REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr42ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION]=== [2018-11-23 06:02:34,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:34,847 INFO L82 PathProgramCache]: Analyzing trace with hash -2000962783, now seen corresponding path program 1 times [2018-11-23 06:02:34,848 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 06:02:34,848 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/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 [2018-11-23 06:02:34,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:34,893 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:02:34,896 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-23 06:02:34,896 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:34,899 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:34,899 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-23 06:02:34,910 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 06:02:34,913 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-23 06:02:34,913 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:34,915 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:34,926 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 06:02:34,928 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-23 06:02:34,928 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:34,930 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:34,936 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:34,937 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:28, output treesize:17 [2018-11-23 06:02:34,946 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-23 06:02:34,948 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-23 06:02:34,948 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:34,950 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:34,960 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-11-23 06:02:34,962 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2018-11-23 06:02:34,962 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:34,963 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:34,975 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:34,975 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:31, output treesize:9 [2018-11-23 06:02:34,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:34,982 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 06:02:34,984 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:02:34,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 06:02:34,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 06:02:34,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 06:02:34,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 06:02:34,984 INFO L87 Difference]: Start difference. First operand 97 states and 103 transitions. Second operand 5 states. [2018-11-23 06:02:35,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:02:35,207 INFO L93 Difference]: Finished difference Result 96 states and 102 transitions. [2018-11-23 06:02:35,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 06:02:35,208 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-11-23 06:02:35,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:02:35,208 INFO L225 Difference]: With dead ends: 96 [2018-11-23 06:02:35,208 INFO L226 Difference]: Without dead ends: 96 [2018-11-23 06:02:35,208 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 06:02:35,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-11-23 06:02:35,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-11-23 06:02:35,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-11-23 06:02:35,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 102 transitions. [2018-11-23 06:02:35,211 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 102 transitions. Word has length 15 [2018-11-23 06:02:35,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:02:35,211 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 102 transitions. [2018-11-23 06:02:35,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 06:02:35,212 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 102 transitions. [2018-11-23 06:02:35,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 06:02:35,212 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:02:35,212 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:02:35,212 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr19REQUIRES_VIOLATION, mainErr44ENSURES_VIOLATIONMEMORY_LEAK, mainErr18REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr43ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE, mainErr21REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr42ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION]=== [2018-11-23 06:02:35,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:35,213 INFO L82 PathProgramCache]: Analyzing trace with hash 919077787, now seen corresponding path program 1 times [2018-11-23 06:02:35,213 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 06:02:35,213 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/cvc4nyu Starting monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 06:02:35,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:35,295 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:02:35,298 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-23 06:02:35,299 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:35,305 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:35,305 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-23 06:02:35,324 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:35,325 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:35,325 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2018-11-23 06:02:35,326 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:35,337 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:35,338 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:25 [2018-11-23 06:02:35,356 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 06:02:35,359 INFO L478 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 [2018-11-23 06:02:35,359 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:35,361 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:35,374 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:35,374 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:35 [2018-11-23 06:02:35,420 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 47 [2018-11-23 06:02:35,423 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 1 [2018-11-23 06:02:35,424 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:35,427 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:35,433 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:35,433 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:60, output treesize:29 [2018-11-23 06:02:35,466 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2018-11-23 06:02:35,468 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-11-23 06:02:35,468 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:35,472 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:35,476 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:35,476 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2018-11-23 06:02:35,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:35,506 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 06:02:35,507 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:02:35,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 06:02:35,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 06:02:35,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 06:02:35,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-11-23 06:02:35,508 INFO L87 Difference]: Start difference. First operand 96 states and 102 transitions. Second operand 11 states. [2018-11-23 06:02:36,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:02:36,279 INFO L93 Difference]: Finished difference Result 165 states and 173 transitions. [2018-11-23 06:02:36,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 06:02:36,279 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2018-11-23 06:02:36,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:02:36,280 INFO L225 Difference]: With dead ends: 165 [2018-11-23 06:02:36,280 INFO L226 Difference]: Without dead ends: 165 [2018-11-23 06:02:36,281 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-23 06:02:36,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-11-23 06:02:36,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 113. [2018-11-23 06:02:36,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-11-23 06:02:36,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 122 transitions. [2018-11-23 06:02:36,283 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 122 transitions. Word has length 26 [2018-11-23 06:02:36,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:02:36,284 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 122 transitions. [2018-11-23 06:02:36,284 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 06:02:36,284 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 122 transitions. [2018-11-23 06:02:36,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 06:02:36,284 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:02:36,284 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:02:36,284 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr19REQUIRES_VIOLATION, mainErr44ENSURES_VIOLATIONMEMORY_LEAK, mainErr18REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr43ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE, mainErr21REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr42ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION]=== [2018-11-23 06:02:36,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:36,285 INFO L82 PathProgramCache]: Analyzing trace with hash 919077788, now seen corresponding path program 1 times [2018-11-23 06:02:36,285 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 06:02:36,285 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/cvc4nyu Starting monitored process 11 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 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 06:02:36,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:36,369 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:02:36,371 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-23 06:02:36,371 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:36,374 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:36,374 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-23 06:02:36,395 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-23 06:02:36,395 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:36,410 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:36,411 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:36,411 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2018-11-23 06:02:36,411 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:36,421 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:36,421 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:22 [2018-11-23 06:02:36,448 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 06:02:36,451 INFO L478 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 [2018-11-23 06:02:36,451 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:36,453 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:36,472 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 06:02:36,474 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-23 06:02:36,474 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:36,477 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:36,489 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:36,489 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:41, output treesize:34 [2018-11-23 06:02:36,539 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 78 [2018-11-23 06:02:36,558 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 1 [2018-11-23 06:02:36,558 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:36,571 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:36,605 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 40 [2018-11-23 06:02:36,609 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 1 [2018-11-23 06:02:36,609 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:36,613 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:36,621 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:36,621 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:92, output treesize:30 [2018-11-23 06:02:36,666 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-23 06:02:36,668 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-23 06:02:36,668 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:36,670 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:36,678 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-11-23 06:02:36,679 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2018-11-23 06:02:36,680 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:36,683 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:36,688 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:36,688 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:41, output treesize:11 [2018-11-23 06:02:36,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:36,718 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 06:02:36,720 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:02:36,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 06:02:36,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 06:02:36,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 06:02:36,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-23 06:02:36,720 INFO L87 Difference]: Start difference. First operand 113 states and 122 transitions. Second operand 11 states. [2018-11-23 06:02:37,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:02:37,671 INFO L93 Difference]: Finished difference Result 192 states and 199 transitions. [2018-11-23 06:02:37,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 06:02:37,672 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2018-11-23 06:02:37,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:02:37,672 INFO L225 Difference]: With dead ends: 192 [2018-11-23 06:02:37,673 INFO L226 Difference]: Without dead ends: 192 [2018-11-23 06:02:37,673 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2018-11-23 06:02:37,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2018-11-23 06:02:37,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 113. [2018-11-23 06:02:37,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-11-23 06:02:37,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 121 transitions. [2018-11-23 06:02:37,676 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 121 transitions. Word has length 26 [2018-11-23 06:02:37,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:02:37,676 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 121 transitions. [2018-11-23 06:02:37,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 06:02:37,677 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 121 transitions. [2018-11-23 06:02:37,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 06:02:37,677 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:02:37,677 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:02:37,678 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr19REQUIRES_VIOLATION, mainErr44ENSURES_VIOLATIONMEMORY_LEAK, mainErr18REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr43ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE, mainErr21REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr42ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION]=== [2018-11-23 06:02:37,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:37,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1954498715, now seen corresponding path program 1 times [2018-11-23 06:02:37,678 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 06:02:37,678 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/cvc4nyu Starting monitored process 12 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 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 06:02:37,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:37,754 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:02:37,757 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-23 06:02:37,757 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:37,760 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:37,760 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-23 06:02:37,785 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:37,786 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:37,787 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2018-11-23 06:02:37,787 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:37,801 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:37,801 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:25 [2018-11-23 06:02:37,824 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 06:02:37,826 INFO L478 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 [2018-11-23 06:02:37,826 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:37,829 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:37,842 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:37,842 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:35 [2018-11-23 06:02:37,883 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 47 [2018-11-23 06:02:37,886 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 1 [2018-11-23 06:02:37,886 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:37,889 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:37,895 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:37,895 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:60, output treesize:29 [2018-11-23 06:02:37,942 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2018-11-23 06:02:37,950 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-11-23 06:02:37,950 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:37,954 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:37,959 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:37,960 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2018-11-23 06:02:37,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:37,988 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:02:38,034 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:38,039 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:38,042 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:38,042 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:21 [2018-11-23 06:02:39,037 WARN L180 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-23 06:02:40,908 WARN L180 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 21 [2018-11-23 06:02:40,914 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 29 [2018-11-23 06:02:40,951 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-23 06:02:40,951 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:40,990 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2018-11-23 06:02:40,995 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2018-11-23 06:02:40,995 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:41,013 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-11-23 06:02:41,013 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:41,035 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 14 [2018-11-23 06:02:41,035 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 06:02:41,049 INFO L267 ElimStorePlain]: Start of recursive call 4: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-23 06:02:41,052 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-11-23 06:02:41,054 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-23 06:02:41,054 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:41,059 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:41,090 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 10 xjuncts. [2018-11-23 06:02:41,180 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 9 dim-0 vars, and 9 xjuncts. [2018-11-23 06:02:41,180 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 3 variables, input treesize:35, output treesize:101 [2018-11-23 06:02:41,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:41,381 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:02:41,382 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:02:41,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:41,420 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:02:41,424 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-23 06:02:41,424 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:41,426 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:41,426 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-23 06:02:41,477 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:41,478 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:41,479 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2018-11-23 06:02:41,479 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:41,489 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:41,489 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:22 [2018-11-23 06:02:41,518 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 06:02:41,520 INFO L478 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 [2018-11-23 06:02:41,521 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:41,523 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:41,536 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:41,536 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:33, output treesize:32 [2018-11-23 06:02:41,642 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 47 [2018-11-23 06:02:41,645 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 1 [2018-11-23 06:02:41,645 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:41,651 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:41,659 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:41,659 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:57, output treesize:26 [2018-11-23 06:02:41,760 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-11-23 06:02:41,762 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2018-11-23 06:02:41,763 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:41,766 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:41,771 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:41,771 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:33, output treesize:18 [2018-11-23 06:02:41,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:41,798 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:02:41,801 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:41,809 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:41,813 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:41,813 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:21 [2018-11-23 06:02:41,866 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 29 [2018-11-23 06:02:41,900 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-23 06:02:41,900 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:41,927 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-11-23 06:02:41,929 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-23 06:02:41,930 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:41,936 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:41,948 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24 [2018-11-23 06:02:41,952 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2018-11-23 06:02:41,953 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:41,970 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-11-23 06:02:41,971 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:41,995 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2018-11-23 06:02:41,996 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 06:02:42,010 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-23 06:02:42,044 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 10 xjuncts. [2018-11-23 06:02:42,125 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 9 dim-0 vars, and 9 xjuncts. [2018-11-23 06:02:42,126 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 3 variables, input treesize:35, output treesize:113 [2018-11-23 06:02:42,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:42,241 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-11-23 06:02:42,241 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10, 10] total 26 [2018-11-23 06:02:42,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-11-23 06:02:42,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-11-23 06:02:42,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=561, Unknown=0, NotChecked=0, Total=702 [2018-11-23 06:02:42,242 INFO L87 Difference]: Start difference. First operand 113 states and 121 transitions. Second operand 27 states. [2018-11-23 06:02:43,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:02:43,806 INFO L93 Difference]: Finished difference Result 179 states and 188 transitions. [2018-11-23 06:02:43,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 06:02:43,806 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 26 [2018-11-23 06:02:43,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:02:43,807 INFO L225 Difference]: With dead ends: 179 [2018-11-23 06:02:43,807 INFO L226 Difference]: Without dead ends: 179 [2018-11-23 06:02:43,808 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 71 SyntacticMatches, 6 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 491 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=282, Invalid=908, Unknown=0, NotChecked=0, Total=1190 [2018-11-23 06:02:43,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-11-23 06:02:43,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 119. [2018-11-23 06:02:43,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-11-23 06:02:43,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 128 transitions. [2018-11-23 06:02:43,810 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 128 transitions. Word has length 26 [2018-11-23 06:02:43,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:02:43,811 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 128 transitions. [2018-11-23 06:02:43,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-11-23 06:02:43,811 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 128 transitions. [2018-11-23 06:02:43,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 06:02:43,811 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:02:43,811 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:02:43,812 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr19REQUIRES_VIOLATION, mainErr44ENSURES_VIOLATIONMEMORY_LEAK, mainErr18REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr43ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE, mainErr21REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr42ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION]=== [2018-11-23 06:02:43,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:43,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1954498716, now seen corresponding path program 1 times [2018-11-23 06:02:43,812 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 06:02:43,812 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/cvc4nyu Starting monitored process 14 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 14 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 06:02:43,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:43,892 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:02:43,895 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-23 06:02:43,895 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:43,902 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:43,902 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-23 06:02:43,917 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-23 06:02:43,919 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-23 06:02:43,919 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:43,921 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:43,930 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:43,930 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:30, output treesize:26 [2018-11-23 06:02:43,946 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:43,946 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:43,947 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2018-11-23 06:02:43,947 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:43,957 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:43,957 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:23 [2018-11-23 06:02:43,980 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2018-11-23 06:02:43,985 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:43,988 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-11-23 06:02:43,988 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:43,996 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:44,015 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 06:02:44,017 INFO L478 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 [2018-11-23 06:02:44,017 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:44,019 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:44,031 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:44,031 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:49, output treesize:27 [2018-11-23 06:02:44,051 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-11-23 06:02:44,052 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2018-11-23 06:02:44,053 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:44,061 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:44,066 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:44,066 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:28, output treesize:17 [2018-11-23 06:02:44,087 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2018-11-23 06:02:44,089 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-23 06:02:44,089 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:44,095 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:44,105 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:44,105 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:26 [2018-11-23 06:02:44,160 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24 [2018-11-23 06:02:44,162 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-23 06:02:44,162 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:44,170 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2018-11-23 06:02:44,170 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:44,171 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:44,176 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:44,176 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:30, output treesize:3 [2018-11-23 06:02:44,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:44,191 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 06:02:44,192 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:02:44,192 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-23 06:02:44,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 06:02:44,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 06:02:44,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-23 06:02:44,193 INFO L87 Difference]: Start difference. First operand 119 states and 128 transitions. Second operand 11 states. [2018-11-23 06:02:57,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:02:57,437 INFO L93 Difference]: Finished difference Result 165 states and 170 transitions. [2018-11-23 06:02:57,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 06:02:57,438 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2018-11-23 06:02:57,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:02:57,439 INFO L225 Difference]: With dead ends: 165 [2018-11-23 06:02:57,439 INFO L226 Difference]: Without dead ends: 163 [2018-11-23 06:02:57,439 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2018-11-23 06:02:57,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-11-23 06:02:57,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 113. [2018-11-23 06:02:57,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-11-23 06:02:57,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 120 transitions. [2018-11-23 06:02:57,441 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 120 transitions. Word has length 26 [2018-11-23 06:02:57,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:02:57,441 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 120 transitions. [2018-11-23 06:02:57,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 06:02:57,441 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 120 transitions. [2018-11-23 06:02:57,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 06:02:57,441 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:02:57,442 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:02:57,442 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr19REQUIRES_VIOLATION, mainErr44ENSURES_VIOLATIONMEMORY_LEAK, mainErr18REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr43ASSERT_VIOLATIONMEMORY_FREE, mainErr37REQUIRES_VIOLATION, mainErr39REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr38REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr41ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE, mainErr21REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr29REQUIRES_VIOLATION, mainErr42ASSERT_VIOLATIONMEMORY_FREE, mainErr31REQUIRES_VIOLATION, mainErr40ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr30REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr28REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr36REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr32REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr33REQUIRES_VIOLATION]=== [2018-11-23 06:02:57,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:02:57,442 INFO L82 PathProgramCache]: Analyzing trace with hash -312887468, now seen corresponding path program 1 times [2018-11-23 06:02:57,442 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 06:02:57,443 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/cvc4nyu Starting monitored process 15 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 15 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 06:02:57,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:02:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:02:57,540 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:02:57,544 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-23 06:02:57,544 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:57,547 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:57,547 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-23 06:02:57,563 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:57,563 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:57,564 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2018-11-23 06:02:57,564 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:57,571 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:57,571 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:14 [2018-11-23 06:02:57,587 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 06:02:57,589 INFO L478 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 [2018-11-23 06:02:57,590 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:57,592 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:57,602 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:57,603 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:23 [2018-11-23 06:02:57,651 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:57,659 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 36 [2018-11-23 06:02:57,663 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2018-11-23 06:02:57,663 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:57,668 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:57,675 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:57,675 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:45, output treesize:22 [2018-11-23 06:02:57,689 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:57,697 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 36 [2018-11-23 06:02:57,700 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2018-11-23 06:02:57,700 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:57,705 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:57,712 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:57,712 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:45, output treesize:22 [2018-11-23 06:02:57,724 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:57,725 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:57,725 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-11-23 06:02:57,726 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:57,738 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:57,738 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:37, output treesize:35 [2018-11-23 06:02:57,764 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:02:57,771 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2018-11-23 06:02:57,774 INFO L478 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 [2018-11-23 06:02:57,774 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:57,782 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:57,797 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:57,797 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:39 [2018-11-23 06:02:57,908 INFO L478 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 80 [2018-11-23 06:02:57,915 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 61 [2018-11-23 06:02:57,915 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:58,000 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 41 [2018-11-23 06:02:58,000 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-23 06:02:58,022 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 06:02:58,049 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 06:02:58,049 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:96, output treesize:82 [2018-11-23 06:02:58,119 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2018-11-23 06:02:58,121 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-11-23 06:02:58,121 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:02:58,126 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:02:58,131 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:58,131 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:15 [2018-11-23 06:02:58,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:02:58,191 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:02:58,271 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:58,275 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:58,279 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-23 06:02:58,279 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:19 [2018-11-23 06:03:00,705 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:03:00,715 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:03:00,739 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-11-23 06:03:00,739 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:74, output treesize:66 [2018-11-23 06:03:07,243 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-11-23 06:03:07,245 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:07,274 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:03:07,275 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:03:07,323 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:03:07,324 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:03:07,374 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:03:07,524 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 10 dim-0 vars, and 2 xjuncts. [2018-11-23 06:03:07,524 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:86, output treesize:104 [2018-11-23 06:03:16,020 WARN L180 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 61 [2018-11-23 06:03:23,819 WARN L180 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 62 [2018-11-23 06:03:28,138 WARN L180 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 65 [2018-11-23 06:03:28,756 WARN L180 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2018-11-23 06:03:28,761 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:28,764 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:03:28,764 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 86 [2018-11-23 06:03:28,765 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:28,961 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:28,962 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:28,966 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:03:28,967 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 223 [2018-11-23 06:03:28,967 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:29,203 INFO L478 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 86 treesize of output 63 [2018-11-23 06:03:29,252 INFO L478 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 [2018-11-23 06:03:29,253 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:29,299 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 50 [2018-11-23 06:03:29,303 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-23 06:03:29,303 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:29,322 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2018-11-23 06:03:29,326 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:29,330 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2018-11-23 06:03:29,377 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:29,379 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2018-11-23 06:03:29,379 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:29,387 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:29,400 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2018-11-23 06:03:29,400 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-11-23 06:03:29,442 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-23 06:03:29,488 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:03:29,529 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:03:29,544 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2018-11-23 06:03:29,548 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2018-11-23 06:03:29,548 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:29,587 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 13 [2018-11-23 06:03:29,588 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:29,613 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-11-23 06:03:29,613 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:29,625 INFO L267 ElimStorePlain]: Start of recursive call 12: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 06:03:29,663 INFO L478 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 2 case distinctions, treesize of input 63 treesize of output 72 [2018-11-23 06:03:29,671 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 60 [2018-11-23 06:03:29,677 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:29,680 INFO L478 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2018-11-23 06:03:29,728 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:29,731 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2018-11-23 06:03:29,731 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:29,747 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:29,760 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2018-11-23 06:03:29,760 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 2 xjuncts. [2018-11-23 06:03:29,811 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-23 06:03:29,884 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:03:30,079 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2018-11-23 06:03:30,079 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:30,263 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 41 [2018-11-23 06:03:30,267 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:30,270 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2018-11-23 06:03:30,318 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:30,321 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2018-11-23 06:03:30,321 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:30,337 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:30,348 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2018-11-23 06:03:30,349 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 2 xjuncts. [2018-11-23 06:03:30,393 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-23 06:03:30,457 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:03:30,807 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 53 treesize of output 70 [2018-11-23 06:03:30,823 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:30,885 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 54 treesize of output 66 [2018-11-23 06:03:31,055 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2018-11-23 06:03:31,061 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:31,072 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 38 [2018-11-23 06:03:31,072 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 2 xjuncts. [2018-11-23 06:03:31,200 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:31,225 INFO L478 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 44 [2018-11-23 06:03:31,226 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 3 xjuncts. [2018-11-23 06:03:31,237 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:31,259 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 43 [2018-11-23 06:03:31,260 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 3 xjuncts. [2018-11-23 06:03:31,416 INFO L267 ElimStorePlain]: Start of recursive call 27: 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2018-11-23 06:03:32,032 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:32,075 INFO L478 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 60 [2018-11-23 06:03:32,226 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2018-11-23 06:03:32,232 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:32,235 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2018-11-23 06:03:32,235 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:32,329 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:32,342 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 33 [2018-11-23 06:03:32,343 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 2 xjuncts. [2018-11-23 06:03:32,354 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:32,367 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 34 [2018-11-23 06:03:32,368 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 2 xjuncts. [2018-11-23 06:03:32,450 INFO L267 ElimStorePlain]: Start of recursive call 31: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-23 06:03:32,768 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:32,778 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 49 [2018-11-23 06:03:32,865 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:32,889 INFO L478 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 38 [2018-11-23 06:03:32,890 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 3 xjuncts. [2018-11-23 06:03:32,899 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:32,916 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 22 [2018-11-23 06:03:32,917 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 2 xjuncts. [2018-11-23 06:03:33,039 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-1 vars, End of recursive call: and 8 xjuncts. [2018-11-23 06:03:33,155 INFO L267 ElimStorePlain]: Start of recursive call 26: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:03:33,363 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 50 [2018-11-23 06:03:33,363 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:33,678 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 57 [2018-11-23 06:03:33,683 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:33,693 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 51 [2018-11-23 06:03:33,773 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:33,777 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 14 [2018-11-23 06:03:33,778 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:33,786 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-11-23 06:03:33,786 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:33,836 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:03:33,934 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:33,986 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 60 [2018-11-23 06:03:34,157 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2018-11-23 06:03:34,161 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:34,163 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2018-11-23 06:03:34,164 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:34,246 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:34,256 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 33 [2018-11-23 06:03:34,257 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 2 xjuncts. [2018-11-23 06:03:34,265 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:34,278 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 34 [2018-11-23 06:03:34,278 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 2 xjuncts. [2018-11-23 06:03:34,352 INFO L267 ElimStorePlain]: Start of recursive call 43: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-23 06:03:34,408 INFO L267 ElimStorePlain]: Start of recursive call 39: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:03:34,670 INFO L267 ElimStorePlain]: Start of recursive call 16: 8 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-11-23 06:03:34,773 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-11-23 06:03:35,173 INFO L478 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 223 treesize of output 136 [2018-11-23 06:03:35,180 INFO L478 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 [2018-11-23 06:03:35,180 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:35,412 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 129 treesize of output 113 [2018-11-23 06:03:36,765 WARN L180 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 125 DAG size of output: 121 [2018-11-23 06:03:36,765 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-23 06:03:36,765 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-23 06:03:36,778 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 87 [2018-11-23 06:03:36,784 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:36,789 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 24 [2018-11-23 06:03:36,790 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:36,855 INFO L267 ElimStorePlain]: Start of recursive call 50: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:03:36,872 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 104 [2018-11-23 06:03:36,882 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:36,887 INFO L478 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 24 [2018-11-23 06:03:36,887 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:36,959 INFO L267 ElimStorePlain]: Start of recursive call 52: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:03:36,969 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 71 [2018-11-23 06:03:36,978 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:36,982 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 24 [2018-11-23 06:03:36,982 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:37,026 INFO L267 ElimStorePlain]: Start of recursive call 54: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:03:38,022 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 64 treesize of output 88 [2018-11-23 06:03:38,034 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:38,103 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 87 [2018-11-23 06:03:38,103 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 2 xjuncts. [2018-11-23 06:03:38,308 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:38,313 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 72 [2018-11-23 06:03:38,314 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:38,469 INFO L267 ElimStorePlain]: Start of recursive call 56: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:03:38,623 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 53 treesize of output 77 [2018-11-23 06:03:38,633 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:38,729 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 76 [2018-11-23 06:03:38,730 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 2 xjuncts. [2018-11-23 06:03:38,898 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:38,902 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 61 [2018-11-23 06:03:38,902 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:39,040 INFO L267 ElimStorePlain]: Start of recursive call 59: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:03:39,840 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 82 [2018-11-23 06:03:39,846 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:39,850 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-11-23 06:03:39,851 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:39,886 INFO L267 ElimStorePlain]: Start of recursive call 62: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:03:39,940 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 80 [2018-11-23 06:03:39,946 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:39,950 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 55 [2018-11-23 06:03:39,950 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:40,154 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 44 [2018-11-23 06:03:40,155 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:40,355 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:40,359 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 58 [2018-11-23 06:03:40,359 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:40,572 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:40,602 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 55 [2018-11-23 06:03:40,602 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 2 xjuncts. [2018-11-23 06:03:41,348 INFO L267 ElimStorePlain]: Start of recursive call 64: 4 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-23 06:03:42,492 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 62 [2018-11-23 06:03:42,497 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:42,518 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 54 [2018-11-23 06:03:42,518 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 2 xjuncts. [2018-11-23 06:03:42,694 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 53 [2018-11-23 06:03:42,694 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:42,833 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:42,836 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 38 [2018-11-23 06:03:42,836 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:42,977 INFO L267 ElimStorePlain]: Start of recursive call 69: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:03:42,998 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 56 [2018-11-23 06:03:43,003 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 47 [2018-11-23 06:03:43,004 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:43,084 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:43,144 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 48 [2018-11-23 06:03:43,145 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 2 xjuncts. [2018-11-23 06:03:43,251 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:43,254 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 32 [2018-11-23 06:03:43,254 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:43,337 INFO L267 ElimStorePlain]: Start of recursive call 73: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:03:43,341 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 63 [2018-11-23 06:03:43,346 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:43,350 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-11-23 06:03:43,350 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:43,381 INFO L267 ElimStorePlain]: Start of recursive call 77: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:03:43,385 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 71 [2018-11-23 06:03:43,390 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:43,394 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:43,401 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:43,408 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 22 [2018-11-23 06:03:43,409 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 2 xjuncts. [2018-11-23 06:03:43,506 INFO L267 ElimStorePlain]: Start of recursive call 79: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 06:03:43,511 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 69 [2018-11-23 06:03:43,515 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:43,521 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-11-23 06:03:43,522 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:43,566 INFO L267 ElimStorePlain]: Start of recursive call 81: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:03:43,593 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 64 [2018-11-23 06:03:43,602 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2018-11-23 06:03:43,602 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:43,724 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:43,724 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:43,733 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:43,752 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 50 [2018-11-23 06:03:43,753 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 2 xjuncts. [2018-11-23 06:03:43,901 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:43,910 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:43,910 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:43,919 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:43,920 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:03:43,955 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 72 [2018-11-23 06:03:43,955 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 3 xjuncts. [2018-11-23 06:03:44,197 INFO L267 ElimStorePlain]: Start of recursive call 83: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-23 06:03:45,599 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 36 [2018-11-23 06:03:45,610 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-23 06:03:45,610 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:45,657 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-23 06:03:45,657 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:45,681 INFO L267 ElimStorePlain]: Start of recursive call 87: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:03:45,689 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2018-11-23 06:03:45,695 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-23 06:03:45,696 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:45,731 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-23 06:03:45,731 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:45,749 INFO L267 ElimStorePlain]: Start of recursive call 90: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:03:45,765 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 58 [2018-11-23 06:03:45,877 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-11-23 06:03:45,883 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-23 06:03:45,883 INFO L267 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:45,983 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-23 06:03:45,983 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:46,041 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2018-11-23 06:03:46,042 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:46,067 INFO L267 ElimStorePlain]: Start of recursive call 93: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 06:03:46,074 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 29 [2018-11-23 06:03:46,079 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-11-23 06:03:46,079 INFO L267 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:46,101 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-23 06:03:46,101 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:46,111 INFO L267 ElimStorePlain]: Start of recursive call 97: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:03:46,119 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 41 [2018-11-23 06:03:46,126 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 16 [2018-11-23 06:03:46,126 INFO L267 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:46,153 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-23 06:03:46,153 INFO L267 ElimStorePlain]: Start of recursive call 102: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:46,164 INFO L267 ElimStorePlain]: Start of recursive call 100: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:03:47,381 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 94 [2018-11-23 06:03:47,382 INFO L267 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 2 xjuncts. [2018-11-23 06:03:47,494 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 92 [2018-11-23 06:03:47,502 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 60 [2018-11-23 06:03:47,503 INFO L267 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:47,989 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 51 [2018-11-23 06:03:47,990 INFO L267 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:48,548 INFO L267 ElimStorePlain]: Start of recursive call 104: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-23 06:03:49,655 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 46 [2018-11-23 06:03:49,750 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-23 06:03:49,751 INFO L267 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:49,826 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-11-23 06:03:49,827 INFO L267 ElimStorePlain]: Start of recursive call 109: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:49,864 INFO L267 ElimStorePlain]: Start of recursive call 107: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 06:03:49,873 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 46 [2018-11-23 06:03:49,984 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2018-11-23 06:03:49,985 INFO L267 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 2 xjuncts. [2018-11-23 06:03:50,070 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-11-23 06:03:50,071 INFO L267 ElimStorePlain]: Start of recursive call 112: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:50,113 INFO L267 ElimStorePlain]: Start of recursive call 110: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-23 06:03:50,120 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2018-11-23 06:03:50,140 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2018-11-23 06:03:50,140 INFO L267 ElimStorePlain]: Start of recursive call 114: End of recursive call: and 2 xjuncts. [2018-11-23 06:03:50,161 INFO L267 ElimStorePlain]: Start of recursive call 113: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 06:03:50,166 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-11-23 06:03:50,171 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-23 06:03:50,172 INFO L267 ElimStorePlain]: Start of recursive call 116: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:50,193 INFO L267 ElimStorePlain]: Start of recursive call 115: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:03:50,198 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2018-11-23 06:03:50,204 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-23 06:03:50,204 INFO L267 ElimStorePlain]: Start of recursive call 118: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:50,220 INFO L267 ElimStorePlain]: Start of recursive call 117: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:03:50,224 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2018-11-23 06:03:50,243 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2018-11-23 06:03:50,244 INFO L267 ElimStorePlain]: Start of recursive call 120: End of recursive call: and 2 xjuncts. [2018-11-23 06:03:50,277 INFO L267 ElimStorePlain]: Start of recursive call 119: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 06:03:50,285 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2018-11-23 06:03:50,290 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-23 06:03:50,291 INFO L267 ElimStorePlain]: Start of recursive call 122: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:50,319 INFO L267 ElimStorePlain]: Start of recursive call 121: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:03:50,324 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2018-11-23 06:03:50,344 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2018-11-23 06:03:50,344 INFO L267 ElimStorePlain]: Start of recursive call 124: End of recursive call: and 2 xjuncts. [2018-11-23 06:03:50,384 INFO L267 ElimStorePlain]: Start of recursive call 123: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 06:03:51,138 INFO L267 ElimStorePlain]: Start of recursive call 49: 2 dim-1 vars, 6 dim-2 vars, End of recursive call: and 9 xjuncts. [2018-11-23 06:03:51,333 INFO L267 ElimStorePlain]: Start of recursive call 47: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 9 xjuncts. [2018-11-23 06:03:51,697 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: and 9 xjuncts. [2018-11-23 06:03:51,697 INFO L202 ElimStorePlain]: Needed 124 recursive calls to eliminate 14 variables, input treesize:166, output treesize:67 [2018-11-23 06:03:56,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:03:56,844 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:03:56,844 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01b29995-f41f-4b44-a8d6-df13f2e5c26f/bin-2019/utaipan/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:03:56,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:03:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:03:56,886 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:03:56,900 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-23 06:03:56,900 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:56,902 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:03:56,902 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-23 06:03:59,328 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2018-11-23 06:03:59,328 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:59,335 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:03:59,335 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:11 [2018-11-23 06:03:59,341 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-23 06:03:59,344 INFO L478 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 [2018-11-23 06:03:59,344 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:03:59,347 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:03:59,360 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:03:59,360 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:20 [2018-11-23 06:04:01,577 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:04:01,587 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 36 [2018-11-23 06:04:01,590 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2018-11-23 06:04:01,590 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:04:01,596 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:04:01,602 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:04:01,603 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:42, output treesize:19 [2018-11-23 06:04:01,684 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:04:01,695 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 36 [2018-11-23 06:04:01,698 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2018-11-23 06:04:01,698 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:04:01,704 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:04:01,711 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:04:01,711 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:42, output treesize:19 [2018-11-23 06:04:02,006 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:04:02,007 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:04:02,008 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2018-11-23 06:04:02,008 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:04:02,017 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:04:02,017 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:20 [2018-11-23 06:04:02,094 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 06:04:02,103 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 28 [2018-11-23 06:04:02,106 INFO L478 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 [2018-11-23 06:04:02,107 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:04:02,124 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:04:02,144 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:04:02,144 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:25 [2018-11-23 06:04:02,896 INFO L478 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 73 [2018-11-23 06:04:02,900 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 48 [2018-11-23 06:04:02,900 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:04:02,985 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 61 [2018-11-23 06:04:02,985 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-23 06:04:03,013 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 06:04:03,039 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 06:04:03,039 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:75, output treesize:53 [2018-11-23 06:04:04,770 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-11-23 06:04:04,774 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2018-11-23 06:04:04,774 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:04:04,778 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:04:04,783 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:04:04,783 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:27, output treesize:7 [2018-11-23 06:04:04,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:04:04,785 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:04:04,788 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:04:04,793 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:04:04,797 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-23 06:04:04,797 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:19 [2018-11-23 06:04:06,808 WARN L832 $PredicateComparison]: unable to prove that (forall ((|main_#t~mem5.offset| (_ BitVec 32)) (v_DerPreprocessor_16 (_ BitVec 32))) (= (_ bv1 1) (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_main_#t~mem5.base| (store (select |c_#memory_$Pointer$.base| |c_main_#t~mem5.base|) (bvadd |main_#t~mem5.offset| (_ bv4 32)) v_DerPreprocessor_16)) c_main_~head~0.base) c_main_~head~0.offset)))) is different from false [2018-11-23 06:04:08,612 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 39 [2018-11-23 06:04:08,613 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:04:08,619 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-23 06:04:08,619 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:33 [2018-11-23 06:04:17,773 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:04:17,784 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:04:17,806 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-11-23 06:04:17,807 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:60, output treesize:50 [2018-11-23 06:04:29,681 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-11-23 06:04:29,682 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:04:29,708 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:04:29,709 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:04:29,762 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:04:29,763 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:04:29,790 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 06:04:29,968 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 10 dim-0 vars, and 2 xjuncts. [2018-11-23 06:04:29,969 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:70, output treesize:83 [2018-11-23 06:04:56,850 WARN L180 SmtUtils]: Spent 8.06 s on a formula simplification that was a NOOP. DAG size: 52 [2018-11-23 06:05:22,238 WARN L180 SmtUtils]: Spent 8.06 s on a formula simplification that was a NOOP. DAG size: 52 [2018-11-23 06:05:46,433 WARN L180 SmtUtils]: Spent 8.06 s on a formula simplification that was a NOOP. DAG size: 55 [2018-11-23 06:05:46,441 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:05:46,441 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:05:46,442 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 79 [2018-11-23 06:05:46,442 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 06:05:46,576 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:05:46,577 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:05:46,578 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 45 [2018-11-23 06:05:46,578 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 06:05:46,745 INFO L478 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 79 treesize of output 56 [2018-11-23 06:05:46,749 INFO L478 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 [2018-11-23 06:05:46,750 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 06:05:46,959 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 79 [2018-11-23 06:05:47,358 WARN L180 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-11-23 06:05:47,450 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 55 treesize of output 79 [2018-11-23 06:05:47,454 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:05:47,459 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 63 [2018-11-23 06:05:47,460 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 06:05:47,594 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:05:47,625 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 78 [2018-11-23 06:05:47,625 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-11-23 06:05:47,780 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:05:47,852 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 46 treesize of output 70 [2018-11-23 06:05:47,863 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:05:47,893 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 69 [2018-11-23 06:05:47,893 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-11-23 06:05:48,054 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:05:48,058 INFO L478 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 48 treesize of output 54 [2018-11-23 06:05:48,059 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-23 06:05:48,189 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:05:48,278 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 52 treesize of output 76 [2018-11-23 06:05:48,283 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:05:48,287 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 60 [2018-11-23 06:05:48,288 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-23 06:05:48,398 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:05:48,440 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 75 [2018-11-23 06:05:48,440 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-11-23 06:05:48,611 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 06:05:51,376 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 57 [2018-11-23 06:05:51,382 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:05:51,387 INFO L478 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 24 [2018-11-23 06:05:51,388 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-23 06:05:51,435 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:05:51,449 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 63 [2018-11-23 06:05:51,456 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 06:05:51,462 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 24 [2018-11-23 06:05:51,462 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-23 06:05:51,520 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:05:52,614 INFO L478 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 3 case distinctions, treesize of input 56 treesize of output 68 [2018-11-23 06:05:52,629 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 50 [2018-11-23 06:05:52,630 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-23 06:05:53,045 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2018-11-23 06:05:53,046 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-23 06:05:53,314 INFO L267 ElimStorePlain]: Start of recursive call 20: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-23 06:05:53,352 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 60 [2018-11-23 06:05:53,353 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 2 xjuncts. [2018-11-23 06:05:54,679 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 30 [2018-11-23 06:05:54,684 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 7 [2018-11-23 06:05:54,684 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-11-23 06:05:54,695 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 06:05:54,729 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 45 [2018-11-23 06:05:54,931 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:05:54,931 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_159 (bvadd v_prenex_50 (_ bv4 32)) v_prenex_52) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:219) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:210) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.convert(DerPreprocessor.java:191) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:253) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:211) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:418) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 06:05:54,934 INFO L168 Benchmark]: Toolchain (without parser) took 203974.22 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 296.2 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -121.7 MB). Peak memory consumption was 420.0 MB. Max. memory is 11.5 GB. [2018-11-23 06:05:54,934 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:05:54,934 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.48 ms. Allocated memory is still 1.0 GB. Free memory was 945.2 MB in the beginning and 923.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-23 06:05:54,934 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 923.7 MB in the beginning and 1.1 GB in the end (delta: -222.2 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:05:54,935 INFO L168 Benchmark]: Boogie Preprocessor took 29.04 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. [2018-11-23 06:05:54,935 INFO L168 Benchmark]: RCFGBuilder took 444.90 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: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. [2018-11-23 06:05:54,935 INFO L168 Benchmark]: TraceAbstraction took 203109.29 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 138.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.0 MB). Peak memory consumption was 423.9 MB. Max. memory is 11.5 GB. [2018-11-23 06:05:54,936 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 329.48 ms. Allocated memory is still 1.0 GB. Free memory was 945.2 MB in the beginning and 923.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 923.7 MB in the beginning and 1.1 GB in the end (delta: -222.2 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.04 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 444.90 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: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 203109.29 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 138.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.0 MB). Peak memory consumption was 423.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_159 (bvadd v_prenex_50 (_ bv4 32)) v_prenex_52) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_159 (bvadd v_prenex_50 (_ bv4 32)) v_prenex_52): de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...