./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 109d156101f4cfba3ce2d0d8043b4202b4256b37 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 109d156101f4cfba3ce2d0d8043b4202b4256b37 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimArr_69 input size 18 context size 18 output size 18 --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 13:20:43,538 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:20:43,540 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:20:43,548 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:20:43,549 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:20:43,549 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:20:43,550 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:20:43,552 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:20:43,553 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:20:43,554 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:20:43,554 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:20:43,555 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:20:43,555 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:20:43,556 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:20:43,557 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:20:43,557 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:20:43,558 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:20:43,559 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:20:43,561 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:20:43,562 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:20:43,563 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:20:43,564 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:20:43,565 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:20:43,566 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:20:43,566 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:20:43,567 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:20:43,567 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:20:43,568 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:20:43,568 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:20:43,569 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:20:43,570 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:20:43,570 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:20:43,570 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:20:43,570 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:20:43,571 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:20:43,572 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:20:43,572 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 13:20:43,582 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:20:43,582 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:20:43,583 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:20:43,583 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:20:43,583 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 13:20:43,584 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 13:20:43,584 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 13:20:43,584 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 13:20:43,584 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 13:20:43,584 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 13:20:43,584 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 13:20:43,584 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 13:20:43,584 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 13:20:43,585 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:20:43,585 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:20:43,585 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:20:43,585 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:20:43,585 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:20:43,585 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:20:43,586 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:20:43,586 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:20:43,586 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:20:43,586 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:20:43,586 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:20:43,586 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:20:43,586 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:20:43,586 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:20:43,587 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:20:43,587 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:20:43,587 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:20:43,587 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:20:43,587 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:20:43,587 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:20:43,587 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 13:20:43,587 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:20:43,587 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:20:43,587 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 13:20:43,587 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_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 109d156101f4cfba3ce2d0d8043b4202b4256b37 [2018-11-23 13:20:43,609 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:20:43,617 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:20:43,619 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:20:43,620 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:20:43,620 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:20:43,620 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/bin-2019/utaipan/../../sv-benchmarks/c/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-11-23 13:20:43,653 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/bin-2019/utaipan/data/ea45ed56a/2ac4170eb1ab4a78a53a285294e322ef/FLAGf7c14cc6f [2018-11-23 13:20:44,088 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:20:44,088 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/sv-benchmarks/c/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-11-23 13:20:44,094 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/bin-2019/utaipan/data/ea45ed56a/2ac4170eb1ab4a78a53a285294e322ef/FLAGf7c14cc6f [2018-11-23 13:20:44,103 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/bin-2019/utaipan/data/ea45ed56a/2ac4170eb1ab4a78a53a285294e322ef [2018-11-23 13:20:44,104 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:20:44,105 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:20:44,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:20:44,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:20:44,108 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:20:44,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:20:44" (1/1) ... [2018-11-23 13:20:44,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c29769b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:44, skipping insertion in model container [2018-11-23 13:20:44,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:20:44" (1/1) ... [2018-11-23 13:20:44,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:20:44,145 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:20:44,338 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:20:44,344 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:20:44,417 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:20:44,446 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:20:44,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:44 WrapperNode [2018-11-23 13:20:44,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:20:44,447 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:20:44,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:20:44,447 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:20:44,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:44" (1/1) ... [2018-11-23 13:20:44,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:44" (1/1) ... [2018-11-23 13:20:44,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:20:44,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:20:44,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:20:44,471 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:20:44,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:44" (1/1) ... [2018-11-23 13:20:44,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:44" (1/1) ... [2018-11-23 13:20:44,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:44" (1/1) ... [2018-11-23 13:20:44,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:44" (1/1) ... [2018-11-23 13:20:44,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:44" (1/1) ... [2018-11-23 13:20:44,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:44" (1/1) ... [2018-11-23 13:20:44,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:44" (1/1) ... [2018-11-23 13:20:44,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:20:44,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:20:44,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:20:44,500 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:20:44,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/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 13:20:44,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:20:44,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 13:20:44,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 13:20:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:20:44,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:20:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:20:44,550 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:20:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 13:20:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 13:20:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 13:20:44,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:20:44,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:20:44,902 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:20:44,903 INFO L280 CfgBuilder]: Removed 15 assue(true) statements. [2018-11-23 13:20:44,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:20:44 BoogieIcfgContainer [2018-11-23 13:20:44,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:20:44,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:20:44,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:20:44,906 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:20:44,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:20:44" (1/3) ... [2018-11-23 13:20:44,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be40040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:20:44, skipping insertion in model container [2018-11-23 13:20:44,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:44" (2/3) ... [2018-11-23 13:20:44,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be40040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:20:44, skipping insertion in model container [2018-11-23 13:20:44,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:20:44" (3/3) ... [2018-11-23 13:20:44,908 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-11-23 13:20:44,914 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:20:44,919 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-11-23 13:20:44,928 INFO L257 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2018-11-23 13:20:44,948 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:20:44,949 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:20:44,949 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:20:44,949 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:20:44,949 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:20:44,949 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:20:44,949 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:20:44,949 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:20:44,961 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2018-11-23 13:20:44,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 13:20:44,965 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:20:44,966 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:20:44,968 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:20:44,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:20:44,973 INFO L82 PathProgramCache]: Analyzing trace with hash -810975847, now seen corresponding path program 1 times [2018-11-23 13:20:44,974 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:20:45,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:20:45,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:20:45,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:20:45,007 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:20:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:20:45,084 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 13:20:45,085 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:20:45,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 13:20:45,085 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:20:45,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 13:20:45,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 13:20:45,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 13:20:45,097 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2018-11-23 13:20:45,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:20:45,112 INFO L93 Difference]: Finished difference Result 92 states and 146 transitions. [2018-11-23 13:20:45,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 13:20:45,113 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2018-11-23 13:20:45,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:20:45,120 INFO L225 Difference]: With dead ends: 92 [2018-11-23 13:20:45,120 INFO L226 Difference]: Without dead ends: 44 [2018-11-23 13:20:45,123 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 13:20:45,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-11-23 13:20:45,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-11-23 13:20:45,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-23 13:20:45,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2018-11-23 13:20:45,148 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 12 [2018-11-23 13:20:45,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:20:45,148 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2018-11-23 13:20:45,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 13:20:45,149 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2018-11-23 13:20:45,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 13:20:45,149 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:20:45,149 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:20:45,150 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:20:45,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:20:45,150 INFO L82 PathProgramCache]: Analyzing trace with hash 409991454, now seen corresponding path program 1 times [2018-11-23 13:20:45,150 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:20:45,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:20:45,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:20:45,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:20:45,152 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:20:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:20:45,230 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 13:20:45,230 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:20:45,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 13:20:45,230 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:20:45,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 13:20:45,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 13:20:45,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 13:20:45,231 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. Second operand 4 states. [2018-11-23 13:20:45,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:20:45,292 INFO L93 Difference]: Finished difference Result 74 states and 88 transitions. [2018-11-23 13:20:45,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 13:20:45,292 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-11-23 13:20:45,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:20:45,293 INFO L225 Difference]: With dead ends: 74 [2018-11-23 13:20:45,294 INFO L226 Difference]: Without dead ends: 70 [2018-11-23 13:20:45,294 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 13:20:45,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-11-23 13:20:45,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 45. [2018-11-23 13:20:45,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-11-23 13:20:45,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 53 transitions. [2018-11-23 13:20:45,301 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 53 transitions. Word has length 12 [2018-11-23 13:20:45,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:20:45,301 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 53 transitions. [2018-11-23 13:20:45,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 13:20:45,302 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2018-11-23 13:20:45,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 13:20:45,302 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:20:45,302 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:20:45,303 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:20:45,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:20:45,303 INFO L82 PathProgramCache]: Analyzing trace with hash -138901270, now seen corresponding path program 1 times [2018-11-23 13:20:45,303 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:20:45,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:20:45,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:20:45,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:20:45,304 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:20:45,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:20:45,362 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 13:20:45,363 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:20:45,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:20:45,363 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:20:45,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:20:45,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:20:45,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:20:45,364 INFO L87 Difference]: Start difference. First operand 45 states and 53 transitions. Second operand 3 states. [2018-11-23 13:20:45,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:20:45,407 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2018-11-23 13:20:45,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:20:45,407 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-23 13:20:45,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:20:45,408 INFO L225 Difference]: With dead ends: 49 [2018-11-23 13:20:45,408 INFO L226 Difference]: Without dead ends: 47 [2018-11-23 13:20:45,409 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:20:45,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-11-23 13:20:45,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 43. [2018-11-23 13:20:45,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-11-23 13:20:45,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 51 transitions. [2018-11-23 13:20:45,415 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 51 transitions. Word has length 13 [2018-11-23 13:20:45,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:20:45,415 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 51 transitions. [2018-11-23 13:20:45,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:20:45,415 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2018-11-23 13:20:45,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 13:20:45,416 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:20:45,416 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:20:45,416 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:20:45,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:20:45,416 INFO L82 PathProgramCache]: Analyzing trace with hash -10936096, now seen corresponding path program 1 times [2018-11-23 13:20:45,416 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:20:45,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:20:45,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:20:45,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:20:45,418 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:20:45,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:20:45,621 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 13:20:45,621 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:20:45,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 13:20:45,621 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:20:45,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 13:20:45,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 13:20:45,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 13:20:45,622 INFO L87 Difference]: Start difference. First operand 43 states and 51 transitions. Second operand 5 states. [2018-11-23 13:20:45,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:20:45,732 INFO L93 Difference]: Finished difference Result 65 states and 78 transitions. [2018-11-23 13:20:45,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 13:20:45,732 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-11-23 13:20:45,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:20:45,734 INFO L225 Difference]: With dead ends: 65 [2018-11-23 13:20:45,734 INFO L226 Difference]: Without dead ends: 54 [2018-11-23 13:20:45,735 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:20:45,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-11-23 13:20:45,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 48. [2018-11-23 13:20:45,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-23 13:20:45,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 57 transitions. [2018-11-23 13:20:45,739 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 57 transitions. Word has length 14 [2018-11-23 13:20:45,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:20:45,740 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 57 transitions. [2018-11-23 13:20:45,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 13:20:45,740 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2018-11-23 13:20:45,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 13:20:45,740 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:20:45,740 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:20:45,741 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:20:45,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:20:45,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1135076446, now seen corresponding path program 1 times [2018-11-23 13:20:45,741 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:20:45,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:20:45,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:20:45,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:20:45,742 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:20:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:20:45,770 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 13:20:45,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:20:45,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:20:45,771 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:20:45,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:20:45,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:20:45,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:20:45,772 INFO L87 Difference]: Start difference. First operand 48 states and 57 transitions. Second operand 3 states. [2018-11-23 13:20:45,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:20:45,844 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2018-11-23 13:20:45,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:20:45,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-11-23 13:20:45,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:20:45,845 INFO L225 Difference]: With dead ends: 49 [2018-11-23 13:20:45,845 INFO L226 Difference]: Without dead ends: 47 [2018-11-23 13:20:45,846 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:20:45,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-11-23 13:20:45,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2018-11-23 13:20:45,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-11-23 13:20:45,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 55 transitions. [2018-11-23 13:20:45,850 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 55 transitions. Word has length 14 [2018-11-23 13:20:45,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:20:45,850 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 55 transitions. [2018-11-23 13:20:45,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:20:45,851 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2018-11-23 13:20:45,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 13:20:45,851 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:20:45,851 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:20:45,851 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:20:45,852 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:20:45,852 INFO L82 PathProgramCache]: Analyzing trace with hash 993366976, now seen corresponding path program 1 times [2018-11-23 13:20:45,852 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:20:45,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:20:45,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:20:45,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:20:45,853 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:20:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:20:46,107 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 13:20:46,107 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:20:46,108 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:20:46,108 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 20 with the following transitions: [2018-11-23 13:20:46,110 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [10], [13], [116], [125], [132], [134], [138], [141], [142], [166], [170], [175], [181], [182], [183] [2018-11-23 13:20:46,136 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:20:46,136 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:20:46,277 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:20:46,278 INFO L272 AbstractInterpreter]: Visited 18 different actions 27 times. Merged at 9 different actions 9 times. Never widened. Performed 276 root evaluator evaluations with a maximum evaluation depth of 3. Performed 276 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 41 variables. [2018-11-23 13:20:46,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:20:46,285 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:20:46,285 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:20:46,286 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/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 13:20:46,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:20:46,295 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:20:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:20:46,331 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:20:47,292 WARN L180 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 78 [2018-11-23 13:20:47,314 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:20:47,317 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 29 [2018-11-23 13:20:47,343 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:20:47,351 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:20:47,352 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-11-23 13:20:47,353 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 13:20:47,395 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:20:47,549 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 13:20:47,578 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 13:20:47,785 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 59 [2018-11-23 13:20:47,800 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 13 treesize of output 16 [2018-11-23 13:20:47,811 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:20:47,817 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 16 treesize of output 23 [2018-11-23 13:20:47,818 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 13:20:47,850 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:20:47,907 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:20:47,947 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 77 [2018-11-23 13:20:47,953 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 38 treesize of output 35 [2018-11-23 13:20:47,953 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-23 13:20:48,003 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 0 case distinctions, treesize of input 40 treesize of output 38 [2018-11-23 13:20:48,011 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 20 [2018-11-23 13:20:48,217 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:20:48,218 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_arrayElimArr_6 input size 6 context size 6 output size 6 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.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 13:20:48,220 INFO L168 Benchmark]: Toolchain (without parser) took 4115.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 957.1 MB in the beginning and 874.4 MB in the end (delta: 82.7 MB). Peak memory consumption was 211.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:20:48,221 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:20:48,221 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -159.2 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:20:48,221 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.46 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 13:20:48,222 INFO L168 Benchmark]: Boogie Preprocessor took 29.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:20:48,222 INFO L168 Benchmark]: RCFGBuilder took 402.72 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: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2018-11-23 13:20:48,222 INFO L168 Benchmark]: TraceAbstraction took 3316.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 874.4 MB in the end (delta: 202.1 MB). Peak memory consumption was 202.1 MB. Max. memory is 11.5 GB. [2018-11-23 13:20:48,224 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 341.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -159.2 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.46 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. * Boogie Preprocessor took 29.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 402.72 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: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3316.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 874.4 MB in the end (delta: 202.1 MB). Peak memory consumption was 202.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimArr_6 input size 6 context size 6 output size 6 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimArr_6 input size 6 context size 6 output size 6: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 13:20:49,678 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:20:49,679 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:20:49,687 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:20:49,687 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:20:49,688 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:20:49,689 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:20:49,690 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:20:49,691 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:20:49,692 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:20:49,693 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:20:49,693 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:20:49,693 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:20:49,694 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:20:49,695 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:20:49,696 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:20:49,696 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:20:49,697 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:20:49,699 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:20:49,700 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:20:49,701 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:20:49,701 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:20:49,703 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:20:49,703 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:20:49,703 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:20:49,704 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:20:49,705 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:20:49,705 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:20:49,706 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:20:49,707 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:20:49,707 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:20:49,707 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:20:49,707 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:20:49,707 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:20:49,708 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:20:49,709 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:20:49,709 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 13:20:49,719 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:20:49,719 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:20:49,720 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:20:49,720 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:20:49,720 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 13:20:49,720 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 13:20:49,721 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 13:20:49,721 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 13:20:49,721 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 13:20:49,721 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 13:20:49,722 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:20:49,722 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:20:49,722 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:20:49,722 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:20:49,722 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:20:49,722 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:20:49,722 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:20:49,722 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 13:20:49,723 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 13:20:49,723 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:20:49,723 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:20:49,723 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:20:49,723 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:20:49,723 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:20:49,723 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:20:49,723 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:20:49,724 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:20:49,724 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:20:49,724 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:20:49,724 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:20:49,724 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:20:49,724 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 13:20:49,724 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:20:49,725 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 13:20:49,725 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 13:20:49,725 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 109d156101f4cfba3ce2d0d8043b4202b4256b37 [2018-11-23 13:20:49,755 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:20:49,764 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:20:49,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:20:49,768 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:20:49,768 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:20:49,769 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/bin-2019/utaipan/../../sv-benchmarks/c/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-11-23 13:20:49,812 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/bin-2019/utaipan/data/1e241ec5e/b3275543f6de4eb0a78ebd5c3815414a/FLAG2b0cf56c8 [2018-11-23 13:20:50,170 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:20:50,171 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/sv-benchmarks/c/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-11-23 13:20:50,180 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/bin-2019/utaipan/data/1e241ec5e/b3275543f6de4eb0a78ebd5c3815414a/FLAG2b0cf56c8 [2018-11-23 13:20:50,570 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/bin-2019/utaipan/data/1e241ec5e/b3275543f6de4eb0a78ebd5c3815414a [2018-11-23 13:20:50,572 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:20:50,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:20:50,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:20:50,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:20:50,576 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:20:50,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:20:50" (1/1) ... [2018-11-23 13:20:50,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ec5c604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:50, skipping insertion in model container [2018-11-23 13:20:50,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:20:50" (1/1) ... [2018-11-23 13:20:50,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:20:50,624 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:20:50,837 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:20:50,846 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:20:50,885 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:20:50,913 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:20:50,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:50 WrapperNode [2018-11-23 13:20:50,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:20:50,914 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:20:50,914 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:20:50,914 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:20:50,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:50" (1/1) ... [2018-11-23 13:20:50,978 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:50" (1/1) ... [2018-11-23 13:20:50,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:20:50,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:20:50,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:20:50,985 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:20:50,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:50" (1/1) ... [2018-11-23 13:20:50,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:50" (1/1) ... [2018-11-23 13:20:50,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:50" (1/1) ... [2018-11-23 13:20:50,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:50" (1/1) ... [2018-11-23 13:20:51,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:50" (1/1) ... [2018-11-23 13:20:51,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:50" (1/1) ... [2018-11-23 13:20:51,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:50" (1/1) ... [2018-11-23 13:20:51,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:20:51,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:20:51,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:20:51,012 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:20:51,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/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 13:20:51,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:20:51,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 13:20:51,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:20:51,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:20:51,046 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:20:51,046 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:20:51,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 13:20:51,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 13:20:51,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 13:20:51,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 13:20:51,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:20:51,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:20:53,387 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:20:53,387 INFO L280 CfgBuilder]: Removed 15 assue(true) statements. [2018-11-23 13:20:53,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:20:53 BoogieIcfgContainer [2018-11-23 13:20:53,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:20:53,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:20:53,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:20:53,392 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:20:53,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:20:50" (1/3) ... [2018-11-23 13:20:53,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@304224ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:20:53, skipping insertion in model container [2018-11-23 13:20:53,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:20:50" (2/3) ... [2018-11-23 13:20:53,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@304224ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:20:53, skipping insertion in model container [2018-11-23 13:20:53,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:20:53" (3/3) ... [2018-11-23 13:20:53,395 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-11-23 13:20:53,404 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:20:53,410 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-11-23 13:20:53,424 INFO L257 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2018-11-23 13:20:53,445 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 13:20:53,446 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:20:53,446 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:20:53,446 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:20:53,446 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:20:53,447 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:20:53,447 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:20:53,447 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:20:53,447 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:20:53,457 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2018-11-23 13:20:53,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 13:20:53,460 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:20:53,461 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:20:53,462 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:20:53,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:20:53,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1677476360, now seen corresponding path program 1 times [2018-11-23 13:20:53,469 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 13:20:53,469 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/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 13:20:53,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:20:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:20:53,532 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:20:53,573 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 13:20:53,573 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 13:20:53,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:20:53,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 13:20:53,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 13:20:53,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 13:20:53,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 13:20:53,594 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 4 states. [2018-11-23 13:20:53,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:20:53,702 INFO L93 Difference]: Finished difference Result 115 states and 191 transitions. [2018-11-23 13:20:53,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 13:20:53,704 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-11-23 13:20:53,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:20:53,710 INFO L225 Difference]: With dead ends: 115 [2018-11-23 13:20:53,710 INFO L226 Difference]: Without dead ends: 68 [2018-11-23 13:20:53,712 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 13:20:53,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-11-23 13:20:53,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 44. [2018-11-23 13:20:53,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-23 13:20:53,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2018-11-23 13:20:53,742 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 52 transitions. Word has length 11 [2018-11-23 13:20:53,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:20:53,742 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 52 transitions. [2018-11-23 13:20:53,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 13:20:53,742 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2018-11-23 13:20:53,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 13:20:53,743 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:20:53,743 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:20:53,743 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:20:53,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:20:53,744 INFO L82 PathProgramCache]: Analyzing trace with hash 498425151, now seen corresponding path program 1 times [2018-11-23 13:20:53,744 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 13:20:53,745 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/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 13:20:53,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:20:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:20:53,792 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:20:53,798 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 13:20:53,798 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 13:20:53,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:20:53,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:20:53,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:20:53,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:20:53,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:20:53,801 INFO L87 Difference]: Start difference. First operand 44 states and 52 transitions. Second operand 3 states. [2018-11-23 13:20:53,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:20:53,884 INFO L93 Difference]: Finished difference Result 47 states and 56 transitions. [2018-11-23 13:20:53,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:20:53,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-11-23 13:20:53,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:20:53,886 INFO L225 Difference]: With dead ends: 47 [2018-11-23 13:20:53,887 INFO L226 Difference]: Without dead ends: 45 [2018-11-23 13:20:53,887 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 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 13:20:53,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-11-23 13:20:53,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2018-11-23 13:20:53,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-23 13:20:53,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2018-11-23 13:20:53,893 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 12 [2018-11-23 13:20:53,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:20:53,893 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2018-11-23 13:20:53,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:20:53,893 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2018-11-23 13:20:53,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 13:20:53,894 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:20:53,894 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:20:53,895 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:20:53,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:20:53,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1728653526, now seen corresponding path program 1 times [2018-11-23 13:20:53,896 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 13:20:53,896 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/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 13:20:53,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:20:53,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:20:53,982 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:22:41,659 WARN L180 SmtUtils]: Spent 1.79 m on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2018-11-23 13:22:43,671 INFO L303 Elim1Store]: Index analysis took 2006 ms [2018-11-23 13:22:43,674 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 5 treesize of output 1 [2018-11-23 13:22:43,674 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 13:23:30,211 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:23:35,378 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:23:35,380 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 13:23:37,548 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:24:14,341 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 13:24:19,354 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:24:19,357 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:24:22,580 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:25:06,156 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:25:07,950 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:25:07,952 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:25:09,427 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:25:45,726 INFO L303 Elim1Store]: Index analysis took 291 ms [2018-11-23 13:25:45,727 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 63 treesize of output 67 [2018-11-23 13:25:45,806 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 13 treesize of output 16 [2018-11-23 13:25:45,934 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:25:46,017 INFO L303 Elim1Store]: Index analysis took 209 ms [2018-11-23 13:25:46,018 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-23 13:25:46,018 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-23 13:25:46,300 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:25:48,526 INFO L303 Elim1Store]: Index analysis took 392 ms [2018-11-23 13:25:48,527 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 63 treesize of output 65 [2018-11-23 13:25:48,587 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 45 treesize of output 42 [2018-11-23 13:25:48,683 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:25:48,763 INFO L303 Elim1Store]: Index analysis took 174 ms [2018-11-23 13:25:48,764 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 47 [2018-11-23 13:25:48,825 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:25:48,840 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:25:48,894 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:25:49,129 INFO L303 Elim1Store]: Index analysis took 362 ms [2018-11-23 13:25:49,130 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 61 [2018-11-23 13:25:49,131 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-23 13:25:49,559 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:25:49,750 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:25:50,608 INFO L303 Elim1Store]: Index analysis took 199 ms [2018-11-23 13:25:50,609 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 57 treesize of output 55 [2018-11-23 13:25:50,637 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:25:50,648 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:25:50,679 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:25:50,899 INFO L303 Elim1Store]: Index analysis took 287 ms [2018-11-23 13:25:50,941 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 73 [2018-11-23 13:25:50,944 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 8 xjuncts. [2018-11-23 13:25:52,383 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-23 13:25:53,453 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-23 13:26:02,666 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-23 13:26:04,196 INFO L303 Elim1Store]: Index analysis took 1529 ms [2018-11-23 13:26:04,197 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 65 [2018-11-23 13:26:04,397 INFO L303 Elim1Store]: Index analysis took 198 ms [2018-11-23 13:26:04,397 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-11-23 13:26:04,776 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:05,012 INFO L303 Elim1Store]: Index analysis took 613 ms [2018-11-23 13:26:05,012 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 16 treesize of output 23 [2018-11-23 13:26:05,013 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:06,029 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:13,338 INFO L303 Elim1Store]: Index analysis took 1391 ms [2018-11-23 13:26:13,338 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-11-23 13:26:13,415 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 29 treesize of output 25 [2018-11-23 13:26:13,415 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:14,599 INFO L303 Elim1Store]: Index analysis took 567 ms [2018-11-23 13:26:14,620 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 2 case distinctions, treesize of input 47 treesize of output 59 [2018-11-23 13:26:14,753 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:14,859 INFO L303 Elim1Store]: Index analysis took 236 ms [2018-11-23 13:26:14,859 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 53 treesize of output 50 [2018-11-23 13:26:14,860 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:15,973 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 13:26:17,219 INFO L303 Elim1Store]: Index analysis took 131 ms [2018-11-23 13:26:17,219 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 55 treesize of output 53 [2018-11-23 13:26:17,251 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 1 [2018-11-23 13:26:17,251 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:17,729 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:17,777 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2018-11-23 13:26:17,815 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:17,869 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:17,886 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:18,096 INFO L303 Elim1Store]: Index analysis took 316 ms [2018-11-23 13:26:18,096 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 46 [2018-11-23 13:26:18,097 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:18,476 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:18,928 INFO L267 ElimStorePlain]: Start of recursive call 31: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:19,428 INFO L303 Elim1Store]: Index analysis took 499 ms [2018-11-23 13:26:19,429 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 40 [2018-11-23 13:26:19,554 INFO L303 Elim1Store]: Index analysis took 124 ms [2018-11-23 13:26:19,555 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 1 [2018-11-23 13:26:19,555 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:20,114 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:20,257 INFO L303 Elim1Store]: Index analysis took 393 ms [2018-11-23 13:26:20,258 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2018-11-23 13:26:20,479 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:20,523 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:20,673 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:21,230 INFO L303 Elim1Store]: Index analysis took 971 ms [2018-11-23 13:26:21,231 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 46 [2018-11-23 13:26:21,231 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:22,415 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:22,721 INFO L267 ElimStorePlain]: Start of recursive call 35: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:23,893 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-23 13:26:30,117 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-23 13:26:46,986 INFO L303 Elim1Store]: Index analysis took 131 ms [2018-11-23 13:26:46,987 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 65 treesize of output 69 [2018-11-23 13:26:46,995 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 13 treesize of output 16 [2018-11-23 13:26:47,011 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:47,043 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-23 13:26:47,044 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:47,130 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:47,321 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 65 treesize of output 67 [2018-11-23 13:26:47,329 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 47 treesize of output 44 [2018-11-23 13:26:47,344 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:47,353 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 49 [2018-11-23 13:26:47,365 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:47,370 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:47,376 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:47,398 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 67 [2018-11-23 13:26:47,399 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:47,466 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:47,511 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:47,666 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 63 treesize of output 61 [2018-11-23 13:26:47,680 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:47,684 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:47,694 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:47,803 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 88 [2018-11-23 13:26:47,812 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-11-23 13:26:47,813 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:48,145 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:48,150 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:48,155 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:48,158 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:48,158 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 13:26:48,186 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 72 [2018-11-23 13:26:48,202 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:48,207 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:48,210 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:48,252 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 73 [2018-11-23 13:26:48,252 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:48,320 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:48,985 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:48,991 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:48,997 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:49,002 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:49,008 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:49,050 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 72 [2018-11-23 13:26:49,069 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:49,074 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:49,080 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:49,086 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:49,089 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:49,096 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:49,103 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:49,185 INFO L303 Elim1Store]: Index analysis took 132 ms [2018-11-23 13:26:49,186 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 84 [2018-11-23 13:26:49,186 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:49,301 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:49,569 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:49,572 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:49,572 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 13:26:49,575 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:49,586 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 72 [2018-11-23 13:26:49,595 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:49,597 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:49,597 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 13:26:49,606 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 65 [2018-11-23 13:26:49,606 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:49,641 INFO L267 ElimStorePlain]: Start of recursive call 53: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:49,904 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:49,908 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:49,927 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:50,015 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 76 [2018-11-23 13:26:50,048 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:50,143 INFO L303 Elim1Store]: Index analysis took 124 ms [2018-11-23 13:26:50,165 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 85 [2018-11-23 13:26:50,165 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 2 xjuncts. [2018-11-23 13:26:50,388 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:50,391 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:50,394 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:50,397 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:50,398 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 13:26:50,400 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:50,418 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 83 [2018-11-23 13:26:50,419 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:50,616 INFO L267 ElimStorePlain]: Start of recursive call 55: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 13:26:51,283 INFO L267 ElimStorePlain]: Start of recursive call 47: 8 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-11-23 13:26:51,647 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-11-23 13:26:52,056 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-11-23 13:26:52,468 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-11-23 13:26:52,778 INFO L303 Elim1Store]: Index analysis took 309 ms [2018-11-23 13:26:52,779 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 67 [2018-11-23 13:26:52,791 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 13 treesize of output 16 [2018-11-23 13:26:52,813 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:52,865 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-23 13:26:52,865 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:52,919 INFO L267 ElimStorePlain]: Start of recursive call 59: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:53,300 INFO L303 Elim1Store]: Index analysis took 190 ms [2018-11-23 13:26:53,301 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 66 [2018-11-23 13:26:53,308 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 29 treesize of output 25 [2018-11-23 13:26:53,308 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:53,391 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 36 [2018-11-23 13:26:53,392 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:53,461 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 63 [2018-11-23 13:26:53,472 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 59 treesize of output 61 [2018-11-23 13:26:53,487 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2018-11-23 13:26:53,505 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 22 [2018-11-23 13:26:53,505 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:53,525 INFO L267 ElimStorePlain]: Start of recursive call 66: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:53,576 INFO L267 ElimStorePlain]: Start of recursive call 65: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:53,694 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:53,699 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 57 [2018-11-23 13:26:53,710 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:53,715 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:53,718 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:53,736 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 48 [2018-11-23 13:26:53,737 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:53,786 INFO L267 ElimStorePlain]: Start of recursive call 68: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:53,920 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:53,924 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 68 [2018-11-23 13:26:53,935 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:53,939 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:53,942 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:53,956 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 48 [2018-11-23 13:26:53,956 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:54,023 INFO L267 ElimStorePlain]: Start of recursive call 70: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:54,187 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:54,190 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 65 treesize of output 60 [2018-11-23 13:26:54,191 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:54,285 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:54,288 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:54,291 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:54,308 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 0 case distinctions, treesize of input 54 treesize of output 72 [2018-11-23 13:26:54,316 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:54,318 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:54,318 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 13:26:54,338 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 63 [2018-11-23 13:26:54,351 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:54,355 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:54,380 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 50 [2018-11-23 13:26:54,380 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:54,412 INFO L267 ElimStorePlain]: Start of recursive call 74: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:54,449 INFO L267 ElimStorePlain]: Start of recursive call 73: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:54,498 INFO L267 ElimStorePlain]: Start of recursive call 64: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:54,531 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:54,568 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:55,544 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 74 [2018-11-23 13:26:55,550 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 65 treesize of output 67 [2018-11-23 13:26:55,555 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 14 treesize of output 15 [2018-11-23 13:26:55,556 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:55,596 INFO L267 ElimStorePlain]: Start of recursive call 77: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:55,718 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:55,720 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:55,720 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 13:26:55,726 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2018-11-23 13:26:55,734 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:55,741 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 21 treesize of output 26 [2018-11-23 13:26:55,741 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:55,775 INFO L267 ElimStorePlain]: Start of recursive call 79: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:55,853 INFO L267 ElimStorePlain]: Start of recursive call 76: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 13:26:55,885 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 52 [2018-11-23 13:26:55,890 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:55,897 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 36 [2018-11-23 13:26:55,902 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:55,904 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:55,905 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:55,909 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 40 [2018-11-23 13:26:55,910 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:55,927 INFO L267 ElimStorePlain]: Start of recursive call 82: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:55,957 INFO L267 ElimStorePlain]: Start of recursive call 81: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:55,982 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 52 [2018-11-23 13:26:55,988 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:55,989 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 13:26:55,995 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 39 [2018-11-23 13:26:56,000 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:56,005 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 21 treesize of output 26 [2018-11-23 13:26:56,006 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:56,016 INFO L267 ElimStorePlain]: Start of recursive call 85: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:56,041 INFO L267 ElimStorePlain]: Start of recursive call 84: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:56,115 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 54 [2018-11-23 13:26:56,125 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:56,128 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:56,135 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:56,210 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 31 treesize of output 63 [2018-11-23 13:26:56,225 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:56,231 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:56,235 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:56,240 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:56,244 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:56,269 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 80 [2018-11-23 13:26:56,270 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:56,421 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:56,423 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:56,425 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:56,425 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 13:26:56,436 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 50 [2018-11-23 13:26:56,436 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:56,544 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:56,546 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:56,559 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:56,617 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 70 [2018-11-23 13:26:56,618 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 4 xjuncts. [2018-11-23 13:26:56,832 INFO L267 ElimStorePlain]: Start of recursive call 88: 4 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-23 13:26:56,965 INFO L267 ElimStorePlain]: Start of recursive call 87: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-23 13:26:56,989 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 43 treesize of output 44 [2018-11-23 13:26:56,994 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 11 treesize of output 14 [2018-11-23 13:26:56,998 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 14 treesize of output 15 [2018-11-23 13:26:56,999 INFO L267 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:57,010 INFO L267 ElimStorePlain]: Start of recursive call 93: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:57,040 INFO L267 ElimStorePlain]: Start of recursive call 92: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:57,095 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 52 [2018-11-23 13:26:57,107 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:57,110 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:57,113 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:57,138 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 0 case distinctions, treesize of input 26 treesize of output 48 [2018-11-23 13:26:57,144 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:57,146 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:57,147 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:57,149 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:57,150 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:57,159 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 65 [2018-11-23 13:26:57,159 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:57,182 INFO L267 ElimStorePlain]: Start of recursive call 96: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:57,218 INFO L267 ElimStorePlain]: Start of recursive call 95: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:57,810 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 6 dim-2 vars, End of recursive call: 3 dim-0 vars, and 32 xjuncts. [2018-11-23 13:26:57,811 INFO L202 ElimStorePlain]: Needed 97 recursive calls to eliminate 10 variables, input treesize:212, output treesize:3927 [2018-11-23 13:26:58,760 WARN L180 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 105 [2018-11-23 13:26:59,284 WARN L180 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-11-23 13:26:59,309 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:59,310 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:59,311 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 88 treesize of output 78 [2018-11-23 13:26:59,316 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:59,320 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:59,331 INFO L478 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 27 [2018-11-23 13:26:59,333 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 13:26:59,370 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 29 treesize of output 15 [2018-11-23 13:26:59,371 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 13:26:59,383 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:26:59,958 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 5 new quantified variables, introduced 1 case distinctions, treesize of input 143 treesize of output 105 [2018-11-23 13:26:59,964 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:26:59,970 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 83 treesize of output 74 [2018-11-23 13:26:59,971 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 13:27:00,068 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 53 [2018-11-23 13:27:00,069 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 13:27:00,144 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 82 treesize of output 62 [2018-11-23 13:27:00,145 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 13:27:00,230 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:27:00,238 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:27:00,239 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 62 treesize of output 59 [2018-11-23 13:27:00,240 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 13:27:00,314 INFO L267 ElimStorePlain]: Start of recursive call 5: 4 dim-1 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-11-23 13:27:00,948 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 91 [2018-11-23 13:27:00,953 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:27:00,954 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 22 [2018-11-23 13:27:00,954 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-23 13:27:00,972 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 45 treesize of output 32 [2018-11-23 13:27:00,972 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:27:00,984 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:27:01,456 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 149 treesize of output 113 [2018-11-23 13:27:01,463 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:27:01,467 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 10 [2018-11-23 13:27:01,467 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-23 13:27:01,512 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 43 treesize of output 32 [2018-11-23 13:27:01,512 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:27:01,534 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:27:01,971 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:27:01,973 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 85 [2018-11-23 13:27:01,976 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 29 [2018-11-23 13:27:01,977 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 13:27:01,990 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:27:02,415 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 49 [2018-11-23 13:27:02,421 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:27:02,457 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 27 [2018-11-23 13:27:02,457 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-11-23 13:27:02,484 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 8 [2018-11-23 13:27:02,484 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-23 13:27:02,487 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 25 treesize of output 16 [2018-11-23 13:27:02,487 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-23 13:27:02,499 INFO L267 ElimStorePlain]: Start of recursive call 18: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 13:27:02,899 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 53 treesize of output 39 [2018-11-23 13:27:02,901 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:27:02,902 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 16 [2018-11-23 13:27:02,902 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-23 13:27:02,912 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 16 treesize of output 3 [2018-11-23 13:27:02,912 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-23 13:27:02,917 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:27:03,198 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 77 [2018-11-23 13:27:03,202 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:27:03,204 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 41 treesize of output 32 [2018-11-23 13:27:03,205 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:27:03,231 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 16 treesize of output 3 [2018-11-23 13:27:03,231 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-11-23 13:27:03,249 INFO L267 ElimStorePlain]: Start of recursive call 25: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:27:03,495 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 43 [2018-11-23 13:27:03,499 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:27:03,500 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-11-23 13:27:03,500 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-11-23 13:27:03,515 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 5 treesize of output 1 [2018-11-23 13:27:03,515 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-23 13:27:03,523 INFO L267 ElimStorePlain]: Start of recursive call 28: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:27:03,538 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 51 [2018-11-23 13:27:03,542 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 37 treesize of output 32 [2018-11-23 13:27:03,542 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-23 13:27:03,582 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:27:03,583 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 39 treesize of output 33 [2018-11-23 13:27:03,583 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-23 13:27:03,618 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:27:03,618 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2018-11-23 13:27:03,619 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-11-23 13:27:03,638 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 27 treesize of output 15 [2018-11-23 13:27:03,639 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-11-23 13:27:03,658 INFO L267 ElimStorePlain]: Start of recursive call 31: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 13:27:03,842 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:27:03,843 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:27:03,843 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 46 treesize of output 42 [2018-11-23 13:27:03,846 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:27:03,867 INFO L478 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 27 [2018-11-23 13:27:03,868 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-11-23 13:27:03,877 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:27:03,877 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 16 treesize of output 8 [2018-11-23 13:27:03,878 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-11-23 13:27:03,883 INFO L267 ElimStorePlain]: Start of recursive call 36: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:27:04,038 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 45 treesize of output 35 [2018-11-23 13:27:04,040 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:27:04,041 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 13 treesize of output 6 [2018-11-23 13:27:04,041 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-11-23 13:27:04,051 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-11-23 13:27:04,051 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-11-23 13:27:04,056 INFO L267 ElimStorePlain]: Start of recursive call 39: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:27:04,203 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 35 [2018-11-23 13:27:04,206 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 17 treesize of output 8 [2018-11-23 13:27:04,206 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-11-23 13:27:04,209 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:27:04,245 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 12 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-23 13:27:04,245 INFO L202 ElimStorePlain]: Needed 43 recursive calls to eliminate 20 variables, input treesize:691, output treesize:11 [2018-11-23 13:27:04,268 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 13:27:04,268 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 13:27:04,269 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:27:04,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 13:27:04,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 13:27:04,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 13:27:04,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 13:27:04,270 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand 5 states. [2018-11-23 13:27:06,752 WARN L180 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-11-23 13:27:08,598 WARN L180 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 190 [2018-11-23 13:27:11,844 WARN L180 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 188 [2018-11-23 13:27:12,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:27:12,083 INFO L93 Difference]: Finished difference Result 56 states and 68 transitions. [2018-11-23 13:27:12,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 13:27:12,085 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-11-23 13:27:12,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:27:12,085 INFO L225 Difference]: With dead ends: 56 [2018-11-23 13:27:12,085 INFO L226 Difference]: Without dead ends: 31 [2018-11-23 13:27:12,086 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 13:27:12,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-11-23 13:27:12,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2018-11-23 13:27:12,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-11-23 13:27:12,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2018-11-23 13:27:12,088 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 13 [2018-11-23 13:27:12,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:27:12,089 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2018-11-23 13:27:12,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 13:27:12,089 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2018-11-23 13:27:12,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 13:27:12,089 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:27:12,089 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:27:12,089 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:27:12,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:27:12,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1442173420, now seen corresponding path program 1 times [2018-11-23 13:27:12,090 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 13:27:12,090 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/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 13:27:12,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:27:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:27:12,122 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:27:12,125 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 13:27:12,125 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 13:27:12,127 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:27:12,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:27:12,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:27:12,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:27:12,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:27:12,128 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand 3 states. [2018-11-23 13:27:14,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:27:14,168 INFO L93 Difference]: Finished difference Result 31 states and 37 transitions. [2018-11-23 13:27:14,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:27:14,169 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-23 13:27:14,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:27:14,169 INFO L225 Difference]: With dead ends: 31 [2018-11-23 13:27:14,169 INFO L226 Difference]: Without dead ends: 29 [2018-11-23 13:27:14,169 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 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 13:27:14,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-11-23 13:27:14,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2018-11-23 13:27:14,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-23 13:27:14,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2018-11-23 13:27:14,173 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 13 [2018-11-23 13:27:14,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:27:14,173 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2018-11-23 13:27:14,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:27:14,173 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2018-11-23 13:27:14,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 13:27:14,174 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:27:14,174 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:27:14,174 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:27:14,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:27:14,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1987574280, now seen corresponding path program 1 times [2018-11-23 13:27:14,174 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 13:27:14,174 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/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 13:27:14,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:27:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:27:14,237 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:27:48,170 WARN L180 SmtUtils]: Spent 33.93 s on a formula simplification. DAG size of input: 119 DAG size of output: 105 [2018-11-23 13:27:48,904 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:27:48,905 INFO L303 Elim1Store]: Index analysis took 734 ms [2018-11-23 13:27:48,906 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 29 treesize of output 38 [2018-11-23 13:27:50,520 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:27:51,182 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:27:51,183 INFO L303 Elim1Store]: Index analysis took 2244 ms [2018-11-23 13:27:51,183 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 42 [2018-11-23 13:27:51,529 INFO L303 Elim1Store]: Index analysis took 344 ms [2018-11-23 13:27:51,530 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 36 [2018-11-23 13:27:51,530 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 13:27:55,058 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:27:59,990 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:28:13,299 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 13:28:13,716 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:28:23,989 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 13:28:25,869 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:28:40,105 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:28:40,842 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:28:52,652 INFO L303 Elim1Store]: Index analysis took 2837 ms [2018-11-23 13:28:52,652 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 37 [2018-11-23 13:28:53,074 INFO L303 Elim1Store]: Index analysis took 421 ms [2018-11-23 13:28:53,075 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-11-23 13:28:53,852 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:28:53,853 INFO L303 Elim1Store]: Index analysis took 777 ms [2018-11-23 13:28:53,853 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 16 treesize of output 23 [2018-11-23 13:28:53,854 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-23 13:28:55,243 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:00,353 INFO L303 Elim1Store]: Index analysis took 1392 ms [2018-11-23 13:29:00,354 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-11-23 13:29:00,497 INFO L303 Elim1Store]: Index analysis took 143 ms [2018-11-23 13:29:00,498 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 13:29:00,498 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:01,794 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:02,760 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:07,718 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 13:29:07,799 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:29:12,027 INFO L303 Elim1Store]: Index analysis took 1138 ms [2018-11-23 13:29:12,027 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 63 [2018-11-23 13:29:12,102 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 13 treesize of output 16 [2018-11-23 13:29:12,223 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:12,453 INFO L303 Elim1Store]: Index analysis took 349 ms [2018-11-23 13:29:12,453 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 16 treesize of output 23 [2018-11-23 13:29:12,453 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:12,951 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:15,371 INFO L303 Elim1Store]: Index analysis took 1557 ms [2018-11-23 13:29:15,372 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 63 [2018-11-23 13:29:15,396 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 21 [2018-11-23 13:29:15,434 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:15,462 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 31 [2018-11-23 13:29:15,500 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:15,514 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:15,530 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:15,645 INFO L303 Elim1Store]: Index analysis took 182 ms [2018-11-23 13:29:15,645 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 46 [2018-11-23 13:29:15,646 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:15,947 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:16,164 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:16,806 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:17,208 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:18,880 INFO L303 Elim1Store]: Index analysis took 122 ms [2018-11-23 13:29:18,881 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 44 [2018-11-23 13:29:18,895 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 21 [2018-11-23 13:29:18,912 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:18,925 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2018-11-23 13:29:18,944 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:18,950 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:18,957 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:18,997 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 46 [2018-11-23 13:29:18,997 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:19,077 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:19,132 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:19,265 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 56 [2018-11-23 13:29:19,274 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 26 treesize of output 29 [2018-11-23 13:29:19,285 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:19,293 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 39 [2018-11-23 13:29:19,306 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:19,310 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:19,314 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:19,336 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 62 [2018-11-23 13:29:19,336 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:19,377 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:19,402 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:19,455 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:19,502 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:19,780 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 97 [2018-11-23 13:29:19,791 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 25 treesize of output 28 [2018-11-23 13:29:19,802 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:19,808 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 41 [2018-11-23 13:29:19,808 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:19,826 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:19,871 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:20,054 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 110 [2018-11-23 13:29:20,064 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:20,069 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 24 treesize of output 35 [2018-11-23 13:29:20,069 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:20,113 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:20,217 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 9 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-23 13:29:20,217 INFO L202 ElimStorePlain]: Needed 37 recursive calls to eliminate 14 variables, input treesize:262, output treesize:175 [2018-11-23 13:29:20,302 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:20,312 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:20,315 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:20,316 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 13:29:20,318 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 61 [2018-11-23 13:29:20,318 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:20,514 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:20,521 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 150 [2018-11-23 13:29:20,535 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2018-11-23 13:29:20,535 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:20,639 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:20,771 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:20,805 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 112 [2018-11-23 13:29:20,821 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 1 [2018-11-23 13:29:20,821 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:20,851 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:20,932 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-23 13:29:20,932 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:209, output treesize:171 [2018-11-23 13:29:21,062 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:21,115 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 112 [2018-11-23 13:29:21,125 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 13:29:21,126 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:21,166 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:21,286 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:21,291 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:21,315 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:21,320 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 177 [2018-11-23 13:29:21,340 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:21,442 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 43 [2018-11-23 13:29:21,442 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-23 13:29:21,530 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:21,609 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-23 13:29:21,609 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:205, output treesize:180 [2018-11-23 13:29:21,800 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:21,825 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 99 [2018-11-23 13:29:21,835 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 13:29:21,835 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:21,880 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 13:29:21,881 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:21,907 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 3 [2018-11-23 13:29:21,907 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:21,931 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 13:29:21,932 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:21,945 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:22,000 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-11-23 13:29:22,000 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:191, output treesize:135 [2018-11-23 13:29:22,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:29:22,090 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 13:29:22,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:29:22,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 13:29:22,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 13:29:22,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 13:29:22,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:29:22,093 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. Second operand 7 states. [2018-11-23 13:29:29,502 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-11-23 13:29:29,816 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-11-23 13:29:30,505 WARN L180 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2018-11-23 13:29:31,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:29:31,043 INFO L93 Difference]: Finished difference Result 86 states and 107 transitions. [2018-11-23 13:29:31,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 13:29:31,044 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-11-23 13:29:31,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:29:31,045 INFO L225 Difference]: With dead ends: 86 [2018-11-23 13:29:31,046 INFO L226 Difference]: Without dead ends: 64 [2018-11-23 13:29:31,046 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:29:31,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-11-23 13:29:31,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 37. [2018-11-23 13:29:31,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-23 13:29:31,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2018-11-23 13:29:31,051 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 19 [2018-11-23 13:29:31,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:29:31,052 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2018-11-23 13:29:31,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 13:29:31,052 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2018-11-23 13:29:31,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 13:29:31,052 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:29:31,052 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:29:31,053 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:29:31,053 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:29:31,053 INFO L82 PathProgramCache]: Analyzing trace with hash -315623446, now seen corresponding path program 1 times [2018-11-23 13:29:31,053 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 13:29:31,053 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/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 13:29:31,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:29:31,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:29:31,120 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:29:32,578 WARN L180 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2018-11-23 13:29:32,605 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:32,606 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 29 treesize of output 38 [2018-11-23 13:29:32,669 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:32,670 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 13:29:32,671 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 36 [2018-11-23 13:29:32,702 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:32,703 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 36 [2018-11-23 13:29:32,704 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:32,903 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:33,104 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:33,690 INFO L303 Elim1Store]: Index analysis took 129 ms [2018-11-23 13:29:33,690 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 37 [2018-11-23 13:29:33,704 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-11-23 13:29:33,739 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:33,740 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 16 treesize of output 23 [2018-11-23 13:29:33,741 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:33,873 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:34,117 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-11-23 13:29:34,128 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 13:29:34,128 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:34,174 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:34,206 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:34,367 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:29:34,376 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:29:34,521 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 63 [2018-11-23 13:29:34,526 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 13 treesize of output 16 [2018-11-23 13:29:34,532 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:34,537 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 16 treesize of output 23 [2018-11-23 13:29:34,537 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:34,554 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:34,631 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 63 [2018-11-23 13:29:34,636 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 21 [2018-11-23 13:29:34,642 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:34,646 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2018-11-23 13:29:34,655 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:34,657 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:34,659 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:34,667 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 46 [2018-11-23 13:29:34,667 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:34,690 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:34,710 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:34,755 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:34,792 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:34,860 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-23 13:29:34,860 INFO L202 ElimStorePlain]: Needed 18 recursive calls to eliminate 8 variables, input treesize:145, output treesize:135 [2018-11-23 13:29:34,903 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:34,905 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:34,906 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:34,909 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:34,910 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 61 [2018-11-23 13:29:34,910 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:35,002 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 113 [2018-11-23 13:29:35,009 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 13:29:35,010 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:35,052 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:35,106 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-23 13:29:35,106 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:151, output treesize:133 [2018-11-23 13:29:35,205 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 126 [2018-11-23 13:29:35,216 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:35,219 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 22 treesize of output 14 [2018-11-23 13:29:35,219 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:35,263 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:35,317 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-11-23 13:29:35,317 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:152, output treesize:133 [2018-11-23 13:29:35,477 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 82 [2018-11-23 13:29:35,485 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 5 treesize of output 1 [2018-11-23 13:29:35,485 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:35,535 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 19 [2018-11-23 13:29:35,536 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:35,571 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:35,572 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-11-23 13:29:35,572 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:35,595 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:35,597 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2018-11-23 13:29:35,597 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:35,603 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:35,609 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:35,609 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:135, output treesize:4 [2018-11-23 13:29:35,626 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 13:29:35,627 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:29:35,662 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 13:29:35,666 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 13:29:35,670 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:29:35,670 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:18 [2018-11-23 13:29:35,768 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 13:29:35,769 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:29:35,769 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5e3e9ba-abfd-4f96-82fd-9e5838c1a8da/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:29:35,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:29:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:29:35,813 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:29:36,880 WARN L180 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 72 DAG size of output: 58 [2018-11-23 13:29:36,953 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:36,954 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 29 treesize of output 38 [2018-11-23 13:29:37,039 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:37,075 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:37,077 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 40 [2018-11-23 13:29:37,099 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 34 [2018-11-23 13:29:37,100 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:37,333 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:37,560 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:37,985 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 13:29:38,018 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:29:38,236 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 13:29:38,249 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 13:29:38,426 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 67 [2018-11-23 13:29:38,435 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 13 treesize of output 16 [2018-11-23 13:29:38,447 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:38,449 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 16 treesize of output 23 [2018-11-23 13:29:38,449 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:38,480 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 13:29:38,606 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 70 [2018-11-23 13:29:38,613 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 29 treesize of output 25 [2018-11-23 13:29:38,613 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:38,686 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 0 case distinctions, treesize of input 62 treesize of output 64 [2018-11-23 13:29:38,695 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:38,698 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:38,699 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 11 [2018-11-23 13:29:38,699 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-23 13:29:38,748 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 19 treesize of output 22 [2018-11-23 13:29:38,758 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:38,771 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 32 [2018-11-23 13:29:38,778 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:38,781 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:38,784 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:38,793 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 0 case distinctions, treesize of input 24 treesize of output 46 [2018-11-23 13:29:38,800 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:38,802 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:38,804 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 13:29:39,012 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:29:39,013 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_arrayElimArr_69 input size 18 context size 18 output size 18 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java: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 13:29:39,015 INFO L168 Benchmark]: Toolchain (without parser) took 528442.91 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 254.3 MB). Free memory was 942.5 MB in the beginning and 977.9 MB in the end (delta: -35.4 MB). Peak memory consumption was 218.9 MB. Max. memory is 11.5 GB. [2018-11-23 13:29:39,016 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:29:39,016 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.73 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 921.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-23 13:29:39,016 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 921.0 MB in the beginning and 1.1 GB in the end (delta: -203.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2018-11-23 13:29:39,016 INFO L168 Benchmark]: Boogie Preprocessor took 26.74 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 13:29:39,016 INFO L168 Benchmark]: RCFGBuilder took 2376.74 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: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 11.5 GB. [2018-11-23 13:29:39,017 INFO L168 Benchmark]: TraceAbstraction took 525626.02 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 117.4 MB). Free memory was 1.1 GB in the beginning and 977.9 MB in the end (delta: 109.4 MB). Peak memory consumption was 226.8 MB. Max. memory is 11.5 GB. [2018-11-23 13:29:39,018 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 339.73 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 921.0 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 70.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 921.0 MB in the beginning and 1.1 GB in the end (delta: -203.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.74 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 2376.74 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: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 525626.02 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 117.4 MB). Free memory was 1.1 GB in the beginning and 977.9 MB in the end (delta: 109.4 MB). Peak memory consumption was 226.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimArr_69 input size 18 context size 18 output size 18 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimArr_69 input size 18 context size 18 output size 18: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...