./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/list-simple/dll2c_remove_all_true-unreach-call_true-valid-memsafety.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-simple/dll2c_remove_all_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/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 f8b5e0e0e65d6846584e1e0ff807dc6d17c7a0bd ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_a851451c-ed03-4654-8b2e-4c6b087bafe2/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-simple/dll2c_remove_all_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/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 f8b5e0e0e65d6846584e1e0ff807dc6d17c7a0bd .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: var is still there: v_prenex_83 term size 37 --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:52:08,291 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:52:08,293 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:52:08,304 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:52:08,304 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:52:08,306 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:52:08,307 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:52:08,309 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:52:08,311 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:52:08,311 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:52:08,312 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:52:08,313 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:52:08,314 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:52:08,315 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:52:08,316 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:52:08,317 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:52:08,318 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:52:08,320 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:52:08,322 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:52:08,323 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:52:08,324 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:52:08,326 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:52:08,328 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:52:08,328 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:52:08,328 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:52:08,330 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:52:08,330 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:52:08,331 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:52:08,332 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:52:08,333 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:52:08,333 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:52:08,334 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:52:08,334 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:52:08,335 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:52:08,335 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:52:08,336 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:52:08,336 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 22:52:08,349 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:52:08,350 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:52:08,350 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:52:08,351 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 22:52:08,351 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 22:52:08,351 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 22:52:08,351 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 22:52:08,351 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 22:52:08,351 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 22:52:08,352 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 22:52:08,352 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 22:52:08,352 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:52:08,353 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:52:08,353 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:52:08,355 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:52:08,355 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:52:08,355 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:52:08,355 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:52:08,355 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:52:08,355 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:52:08,356 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:52:08,356 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:52:08,356 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:52:08,356 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:52:08,356 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:52:08,357 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:52:08,357 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:52:08,357 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:52:08,357 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:52:08,357 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:52:08,357 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 22:52:08,358 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:52:08,358 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:52:08,358 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 22:52:08,358 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_a851451c-ed03-4654-8b2e-4c6b087bafe2/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 -> f8b5e0e0e65d6846584e1e0ff807dc6d17c7a0bd [2018-10-26 22:52:08,392 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:52:08,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:52:08,407 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:52:08,408 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:52:08,409 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:52:08,410 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/bin-2019/utaipan/../../sv-benchmarks/c/list-simple/dll2c_remove_all_true-unreach-call_true-valid-memsafety.i [2018-10-26 22:52:08,465 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/bin-2019/utaipan/data/e82f2661a/7a7e3f9caf80453f827117684deb0ea9/FLAG0b418b76a [2018-10-26 22:52:08,904 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:52:08,904 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/sv-benchmarks/c/list-simple/dll2c_remove_all_true-unreach-call_true-valid-memsafety.i [2018-10-26 22:52:08,917 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/bin-2019/utaipan/data/e82f2661a/7a7e3f9caf80453f827117684deb0ea9/FLAG0b418b76a [2018-10-26 22:52:08,931 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/bin-2019/utaipan/data/e82f2661a/7a7e3f9caf80453f827117684deb0ea9 [2018-10-26 22:52:08,933 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:52:08,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:52:08,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:52:08,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:52:08,939 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:52:08,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:52:08" (1/1) ... [2018-10-26 22:52:08,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@220dc1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:08, skipping insertion in model container [2018-10-26 22:52:08,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:52:08" (1/1) ... [2018-10-26 22:52:08,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:52:08,993 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:52:09,295 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:52:09,309 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:52:09,378 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:52:09,423 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:52:09,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:09 WrapperNode [2018-10-26 22:52:09,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:52:09,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:52:09,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:52:09,425 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:52:09,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:09" (1/1) ... [2018-10-26 22:52:09,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:09" (1/1) ... [2018-10-26 22:52:09,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:52:09,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:52:09,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:52:09,553 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:52:09,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:09" (1/1) ... [2018-10-26 22:52:09,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:09" (1/1) ... [2018-10-26 22:52:09,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:09" (1/1) ... [2018-10-26 22:52:09,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:09" (1/1) ... [2018-10-26 22:52:09,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:09" (1/1) ... [2018-10-26 22:52:09,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:09" (1/1) ... [2018-10-26 22:52:09,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:09" (1/1) ... [2018-10-26 22:52:09,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:52:09,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:52:09,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:52:09,594 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:52:09,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/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 [2018-10-26 22:52:09,670 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2018-10-26 22:52:09,670 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2018-10-26 22:52:09,670 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 22:52:09,670 INFO L138 BoogieDeclarations]: Found implementation of procedure exit [2018-10-26 22:52:09,670 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2018-10-26 22:52:09,671 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2018-10-26 22:52:09,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:52:09,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:52:09,671 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:52:09,671 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:52:09,671 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_remove_first [2018-10-26 22:52:09,672 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_remove_first [2018-10-26 22:52:09,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:52:09,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:52:10,410 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:52:10,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:52:10 BoogieIcfgContainer [2018-10-26 22:52:10,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:52:10,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:52:10,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:52:10,415 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:52:10,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:52:08" (1/3) ... [2018-10-26 22:52:10,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e86d84c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:52:10, skipping insertion in model container [2018-10-26 22:52:10,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:09" (2/3) ... [2018-10-26 22:52:10,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e86d84c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:52:10, skipping insertion in model container [2018-10-26 22:52:10,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:52:10" (3/3) ... [2018-10-26 22:52:10,421 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2c_remove_all_true-unreach-call_true-valid-memsafety.i [2018-10-26 22:52:10,432 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:52:10,441 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:52:10,462 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:52:10,503 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:52:10,503 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:52:10,503 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:52:10,503 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:52:10,504 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:52:10,508 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:52:10,508 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:52:10,508 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:52:10,531 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2018-10-26 22:52:10,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 22:52:10,551 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:52:10,552 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:52:10,555 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:52:10,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:52:10,567 INFO L82 PathProgramCache]: Analyzing trace with hash -613250840, now seen corresponding path program 1 times [2018-10-26 22:52:10,570 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:52:10,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:52:10,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:52:10,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:52:10,633 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:52:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:52:10,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:52:10,803 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:52:10,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 22:52:10,803 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:52:10,809 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 22:52:10,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 22:52:10,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:52:10,828 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2018-10-26 22:52:10,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:52:10,853 INFO L93 Difference]: Finished difference Result 64 states and 74 transitions. [2018-10-26 22:52:10,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 22:52:10,855 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-10-26 22:52:10,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:52:10,863 INFO L225 Difference]: With dead ends: 64 [2018-10-26 22:52:10,864 INFO L226 Difference]: Without dead ends: 37 [2018-10-26 22:52:10,867 INFO L605 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 [2018-10-26 22:52:10,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-10-26 22:52:10,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-10-26 22:52:10,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-10-26 22:52:10,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2018-10-26 22:52:10,914 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 24 [2018-10-26 22:52:10,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:52:10,916 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2018-10-26 22:52:10,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 22:52:10,916 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2018-10-26 22:52:10,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 22:52:10,919 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:52:10,919 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:52:10,919 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:52:10,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:52:10,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1120841666, now seen corresponding path program 1 times [2018-10-26 22:52:10,920 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:52:10,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:52:10,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:52:10,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:52:10,923 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:52:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:52:11,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:52:11,105 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:52:11,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 22:52:11,105 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:52:11,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 22:52:11,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 22:52:11,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 22:52:11,108 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand 5 states. [2018-10-26 22:52:11,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:52:11,218 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions. [2018-10-26 22:52:11,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 22:52:11,220 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-10-26 22:52:11,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:52:11,221 INFO L225 Difference]: With dead ends: 59 [2018-10-26 22:52:11,221 INFO L226 Difference]: Without dead ends: 43 [2018-10-26 22:52:11,222 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:52:11,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-10-26 22:52:11,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2018-10-26 22:52:11,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-10-26 22:52:11,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2018-10-26 22:52:11,231 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 26 [2018-10-26 22:52:11,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:52:11,231 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2018-10-26 22:52:11,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 22:52:11,231 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2018-10-26 22:52:11,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-26 22:52:11,232 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:52:11,232 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:52:11,232 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:52:11,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:52:11,233 INFO L82 PathProgramCache]: Analyzing trace with hash -10648864, now seen corresponding path program 1 times [2018-10-26 22:52:11,233 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:52:11,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:52:11,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:52:11,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:52:11,246 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:52:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:52:11,511 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:52:11,512 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:52:11,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:52:11,512 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:52:11,512 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:52:11,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:52:11,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:52:11,513 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 4 states. [2018-10-26 22:52:11,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:52:11,642 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions. [2018-10-26 22:52:11,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:52:11,642 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2018-10-26 22:52:11,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:52:11,643 INFO L225 Difference]: With dead ends: 47 [2018-10-26 22:52:11,644 INFO L226 Difference]: Without dead ends: 43 [2018-10-26 22:52:11,644 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:52:11,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-10-26 22:52:11,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2018-10-26 22:52:11,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-10-26 22:52:11,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2018-10-26 22:52:11,651 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 37 [2018-10-26 22:52:11,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:52:11,652 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2018-10-26 22:52:11,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:52:11,652 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-10-26 22:52:11,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 22:52:11,653 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:52:11,653 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:52:11,653 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:52:11,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:52:11,654 INFO L82 PathProgramCache]: Analyzing trace with hash 334018182, now seen corresponding path program 1 times [2018-10-26 22:52:11,654 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:52:11,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:52:11,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:52:11,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:52:11,656 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:52:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:52:11,853 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:52:11,853 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:52:11,853 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 22:52:11,854 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 46 with the following transitions: [2018-10-26 22:52:11,856 INFO L202 CegarAbsIntRunner]: [0], [3], [7], [12], [13], [17], [19], [23], [27], [29], [31], [35], [38], [41], [44], [46], [50], [54], [56], [58], [61], [65], [69], [70], [71], [77], [79], [80], [81], [82], [83], [85], [86], [87], [88], [89], [90], [91], [92] [2018-10-26 22:52:11,921 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 22:52:11,921 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 22:52:12,801 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-26 22:52:12,803 INFO L272 AbstractInterpreter]: Visited 39 different actions 70 times. Merged at 10 different actions 16 times. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 44 variables. [2018-10-26 22:52:12,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:52:12,851 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-26 22:52:12,851 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:52:12,851 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/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 [2018-10-26 22:52:12,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:52:12,904 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-26 22:52:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:52:13,033 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:52:13,335 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:52:13,335 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 22:52:13,641 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:52:13,676 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-26 22:52:13,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2018-10-26 22:52:13,677 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-26 22:52:13,677 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 22:52:13,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 22:52:13,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-10-26 22:52:13,678 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 7 states. [2018-10-26 22:52:13,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:52:13,812 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2018-10-26 22:52:13,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 22:52:13,814 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2018-10-26 22:52:13,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:52:13,815 INFO L225 Difference]: With dead ends: 51 [2018-10-26 22:52:13,815 INFO L226 Difference]: Without dead ends: 47 [2018-10-26 22:52:13,815 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2018-10-26 22:52:13,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-10-26 22:52:13,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2018-10-26 22:52:13,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-10-26 22:52:13,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2018-10-26 22:52:13,825 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 45 [2018-10-26 22:52:13,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:52:13,825 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2018-10-26 22:52:13,825 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 22:52:13,825 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2018-10-26 22:52:13,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 22:52:13,827 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:52:13,827 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:52:13,827 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:52:13,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:52:13,828 INFO L82 PathProgramCache]: Analyzing trace with hash 871425068, now seen corresponding path program 2 times [2018-10-26 22:52:13,828 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:52:13,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:52:13,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:52:13,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:52:13,832 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:52:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:52:14,055 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 22:52:14,055 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:52:14,056 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:52:14,056 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:52:14,056 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:52:14,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:52:14,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:52:14,057 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand 6 states. [2018-10-26 22:52:14,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:52:14,597 INFO L93 Difference]: Finished difference Result 60 states and 69 transitions. [2018-10-26 22:52:14,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 22:52:14,598 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2018-10-26 22:52:14,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:52:14,600 INFO L225 Difference]: With dead ends: 60 [2018-10-26 22:52:14,600 INFO L226 Difference]: Without dead ends: 56 [2018-10-26 22:52:14,601 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-10-26 22:52:14,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-10-26 22:52:14,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 47. [2018-10-26 22:52:14,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-10-26 22:52:14,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 53 transitions. [2018-10-26 22:52:14,607 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 53 transitions. Word has length 53 [2018-10-26 22:52:14,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:52:14,607 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 53 transitions. [2018-10-26 22:52:14,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:52:14,607 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2018-10-26 22:52:14,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 22:52:14,608 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:52:14,609 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:52:14,609 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:52:14,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:52:14,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1551483438, now seen corresponding path program 1 times [2018-10-26 22:52:14,609 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:52:14,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:52:14,611 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 22:52:14,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:52:14,611 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:52:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:52:15,055 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-26 22:52:15,711 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:52:15,711 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:52:15,711 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 22:52:15,712 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 54 with the following transitions: [2018-10-26 22:52:15,712 INFO L202 CegarAbsIntRunner]: [0], [3], [5], [7], [12], [13], [17], [19], [23], [27], [29], [31], [35], [38], [41], [44], [46], [50], [54], [56], [58], [61], [65], [69], [70], [71], [77], [79], [80], [81], [82], [83], [85], [86], [87], [88], [89], [90], [91], [92] [2018-10-26 22:52:15,717 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 22:52:15,717 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 22:52:16,237 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-26 22:52:16,237 INFO L272 AbstractInterpreter]: Visited 40 different actions 79 times. Merged at 12 different actions 22 times. Never widened. Found 5 fixpoints after 3 different actions. Largest state had 52 variables. [2018-10-26 22:52:16,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:52:16,250 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-26 22:52:16,250 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:52:16,250 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:52:16,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:52:16,261 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-26 22:52:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:52:16,367 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:52:16,442 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-26 22:52:16,444 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:16,461 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:16,461 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-10-26 22:52:16,720 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-26 22:52:16,859 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-10-26 22:52:16,859 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:46, output treesize:43 [2018-10-26 22:52:17,077 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:52:17,077 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 7185 column 44: unknown constant v_DerPreprocessor_1 at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:221) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:147) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript$DiffTransformer.checkOrAddAxiom(DiffWrapperScript.java:164) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript$DiffTransformer.convertApplicationTerm(DiffWrapperScript.java:174) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:320) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:253) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:112) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.assertTerm(ManagedScript.java:136) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:82) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:823) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:767) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:339) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:575) 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:216) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:435) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-26 22:52:17,090 INFO L168 Benchmark]: Toolchain (without parser) took 8156.03 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 348.1 MB). Free memory was 958.0 MB in the beginning and 1.2 GB in the end (delta: -266.1 MB). Peak memory consumption was 82.0 MB. Max. memory is 11.5 GB. [2018-10-26 22:52:17,091 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:52:17,094 INFO L168 Benchmark]: CACSL2BoogieTranslator took 488.77 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 930.1 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-10-26 22:52:17,095 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 930.1 MB in the beginning and 1.2 GB in the end (delta: -230.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:52:17,095 INFO L168 Benchmark]: Boogie Preprocessor took 39.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-10-26 22:52:17,096 INFO L168 Benchmark]: RCFGBuilder took 817.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2018-10-26 22:52:17,096 INFO L168 Benchmark]: TraceAbstraction took 6677.37 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 184.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -103.4 MB). Peak memory consumption was 81.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:52:17,101 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 488.77 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 930.1 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 128.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 930.1 MB in the beginning and 1.2 GB in the end (delta: -230.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 817.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6677.37 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 184.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -103.4 MB). Peak memory consumption was 81.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 7185 column 44: unknown constant v_DerPreprocessor_1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 7185 column 44: unknown constant v_DerPreprocessor_1: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:52:19,408 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:52:19,411 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:52:19,427 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:52:19,427 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:52:19,429 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:52:19,432 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:52:19,433 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:52:19,435 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:52:19,435 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:52:19,436 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:52:19,437 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:52:19,438 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:52:19,439 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:52:19,440 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:52:19,441 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:52:19,442 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:52:19,444 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:52:19,446 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:52:19,448 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:52:19,449 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:52:19,451 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:52:19,453 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:52:19,453 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:52:19,454 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:52:19,455 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:52:19,456 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:52:19,457 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:52:19,458 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:52:19,459 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:52:19,459 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:52:19,460 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:52:19,460 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:52:19,460 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:52:19,462 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:52:19,463 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:52:19,463 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 22:52:19,478 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:52:19,484 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:52:19,485 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:52:19,485 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 22:52:19,485 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 22:52:19,485 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 22:52:19,485 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 22:52:19,486 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 22:52:19,486 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:52:19,486 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:52:19,487 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:52:19,487 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:52:19,487 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:52:19,487 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:52:19,487 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:52:19,487 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 22:52:19,488 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 22:52:19,488 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:52:19,488 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:52:19,488 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:52:19,488 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:52:19,489 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:52:19,489 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:52:19,489 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:52:19,492 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:52:19,493 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:52:19,493 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:52:19,493 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:52:19,494 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 22:52:19,494 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:52:19,494 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 22:52:19,494 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 22:52:19,494 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_a851451c-ed03-4654-8b2e-4c6b087bafe2/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 -> f8b5e0e0e65d6846584e1e0ff807dc6d17c7a0bd [2018-10-26 22:52:19,558 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:52:19,575 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:52:19,579 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:52:19,581 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:52:19,581 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:52:19,582 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/bin-2019/utaipan/../../sv-benchmarks/c/list-simple/dll2c_remove_all_true-unreach-call_true-valid-memsafety.i [2018-10-26 22:52:19,639 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/bin-2019/utaipan/data/4f80c4120/9737505cb8c1497b834533d7705c8324/FLAGb8e25b9fd [2018-10-26 22:52:20,097 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:52:20,098 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/sv-benchmarks/c/list-simple/dll2c_remove_all_true-unreach-call_true-valid-memsafety.i [2018-10-26 22:52:20,114 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/bin-2019/utaipan/data/4f80c4120/9737505cb8c1497b834533d7705c8324/FLAGb8e25b9fd [2018-10-26 22:52:20,126 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/bin-2019/utaipan/data/4f80c4120/9737505cb8c1497b834533d7705c8324 [2018-10-26 22:52:20,129 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:52:20,131 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:52:20,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:52:20,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:52:20,137 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:52:20,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:52:20" (1/1) ... [2018-10-26 22:52:20,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3bd772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:20, skipping insertion in model container [2018-10-26 22:52:20,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:52:20" (1/1) ... [2018-10-26 22:52:20,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:52:20,197 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:52:20,498 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:52:20,510 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:52:20,557 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:52:20,625 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:52:20,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:20 WrapperNode [2018-10-26 22:52:20,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:52:20,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:52:20,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:52:20,627 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:52:20,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:20" (1/1) ... [2018-10-26 22:52:20,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:20" (1/1) ... [2018-10-26 22:52:20,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:52:20,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:52:20,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:52:20,699 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:52:20,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:20" (1/1) ... [2018-10-26 22:52:20,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:20" (1/1) ... [2018-10-26 22:52:20,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:20" (1/1) ... [2018-10-26 22:52:20,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:20" (1/1) ... [2018-10-26 22:52:20,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:20" (1/1) ... [2018-10-26 22:52:20,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:20" (1/1) ... [2018-10-26 22:52:20,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:20" (1/1) ... [2018-10-26 22:52:20,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:52:20,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:52:20,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:52:20,819 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:52:20,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/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 [2018-10-26 22:52:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2018-10-26 22:52:20,889 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2018-10-26 22:52:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 22:52:20,889 INFO L138 BoogieDeclarations]: Found implementation of procedure exit [2018-10-26 22:52:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2018-10-26 22:52:20,889 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2018-10-26 22:52:20,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:52:20,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:52:20,890 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:52:20,890 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:52:20,890 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_remove_first [2018-10-26 22:52:20,890 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_remove_first [2018-10-26 22:52:20,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:52:20,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:52:21,600 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:52:21,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:52:21 BoogieIcfgContainer [2018-10-26 22:52:21,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:52:21,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:52:21,603 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:52:21,606 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:52:21,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:52:20" (1/3) ... [2018-10-26 22:52:21,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dab82b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:52:21, skipping insertion in model container [2018-10-26 22:52:21,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:52:20" (2/3) ... [2018-10-26 22:52:21,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dab82b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:52:21, skipping insertion in model container [2018-10-26 22:52:21,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:52:21" (3/3) ... [2018-10-26 22:52:21,611 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2c_remove_all_true-unreach-call_true-valid-memsafety.i [2018-10-26 22:52:21,622 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:52:21,629 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:52:21,645 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:52:21,675 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 22:52:21,676 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:52:21,676 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:52:21,676 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:52:21,676 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:52:21,677 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:52:21,677 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:52:21,678 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:52:21,678 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:52:21,695 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2018-10-26 22:52:21,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 22:52:21,702 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:52:21,703 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:52:21,706 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:52:21,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:52:21,713 INFO L82 PathProgramCache]: Analyzing trace with hash -613250840, now seen corresponding path program 1 times [2018-10-26 22:52:21,718 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 22:52:21,719 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/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 [2018-10-26 22:52:21,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:52:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:52:21,840 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:52:21,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:52:21,861 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:52:21,871 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:52:21,871 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 22:52:21,875 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 22:52:21,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 22:52:21,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:52:21,892 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2018-10-26 22:52:21,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:52:21,924 INFO L93 Difference]: Finished difference Result 64 states and 74 transitions. [2018-10-26 22:52:21,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 22:52:21,926 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-10-26 22:52:21,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:52:21,934 INFO L225 Difference]: With dead ends: 64 [2018-10-26 22:52:21,935 INFO L226 Difference]: Without dead ends: 37 [2018-10-26 22:52:21,938 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:52:21,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-10-26 22:52:21,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-10-26 22:52:21,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-10-26 22:52:21,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2018-10-26 22:52:21,984 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 24 [2018-10-26 22:52:21,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:52:21,986 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2018-10-26 22:52:21,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 22:52:21,986 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2018-10-26 22:52:21,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 22:52:21,988 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:52:21,988 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:52:21,989 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:52:21,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:52:21,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1120841666, now seen corresponding path program 1 times [2018-10-26 22:52:21,991 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 22:52:21,991 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/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 [2018-10-26 22:52:22,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:52:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:52:22,162 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:52:22,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:52:22,315 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:52:22,317 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:52:22,318 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 22:52:22,319 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 22:52:22,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 22:52:22,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 22:52:22,320 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand 5 states. [2018-10-26 22:52:22,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:52:22,473 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions. [2018-10-26 22:52:22,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 22:52:22,474 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-10-26 22:52:22,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:52:22,476 INFO L225 Difference]: With dead ends: 59 [2018-10-26 22:52:22,476 INFO L226 Difference]: Without dead ends: 43 [2018-10-26 22:52:22,477 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:52:22,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-10-26 22:52:22,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2018-10-26 22:52:22,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-10-26 22:52:22,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2018-10-26 22:52:22,487 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 26 [2018-10-26 22:52:22,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:52:22,487 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2018-10-26 22:52:22,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 22:52:22,487 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2018-10-26 22:52:22,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-26 22:52:22,489 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:52:22,489 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:52:22,490 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:52:22,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:52:22,491 INFO L82 PathProgramCache]: Analyzing trace with hash -10648864, now seen corresponding path program 1 times [2018-10-26 22:52:22,492 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 22:52:22,492 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/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 [2018-10-26 22:52:22,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:52:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:52:22,704 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:52:22,823 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:52:22,823 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:52:22,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:52:22,838 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:52:22,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:52:22,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:52:22,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:52:22,839 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 4 states. [2018-10-26 22:52:22,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:52:22,916 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions. [2018-10-26 22:52:22,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:52:22,918 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2018-10-26 22:52:22,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:52:22,919 INFO L225 Difference]: With dead ends: 47 [2018-10-26 22:52:22,919 INFO L226 Difference]: Without dead ends: 43 [2018-10-26 22:52:22,919 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:52:22,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-10-26 22:52:22,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2018-10-26 22:52:22,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-10-26 22:52:22,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2018-10-26 22:52:22,928 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 37 [2018-10-26 22:52:22,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:52:22,929 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2018-10-26 22:52:22,930 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:52:22,930 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-10-26 22:52:22,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 22:52:22,931 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:52:22,932 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:52:22,932 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:52:22,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:52:22,932 INFO L82 PathProgramCache]: Analyzing trace with hash 334018182, now seen corresponding path program 1 times [2018-10-26 22:52:22,933 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 22:52:22,934 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/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 [2018-10-26 22:52:22,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:52:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:52:23,215 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:52:23,299 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:52:23,300 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 22:52:23,736 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:52:23,740 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:52:23,740 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:52:23,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:52:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:52:23,837 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:52:23,907 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-26 22:52:23,910 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-10-26 22:52:23,910 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:23,934 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:23,945 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-26 22:52:23,962 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-26 22:52:23,962 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:23,965 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:23,971 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:23,972 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:23, output treesize:15 [2018-10-26 22:52:24,106 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-10-26 22:52:24,126 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-10-26 22:52:24,126 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:24,153 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:24,178 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-10-26 22:52:24,190 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-10-26 22:52:24,191 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:24,211 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:24,244 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:24,244 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-10-26 22:52:24,268 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 22:52:24,269 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:52:24,301 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:52:24,302 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5, 5] total 12 [2018-10-26 22:52:24,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-26 22:52:24,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-26 22:52:24,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-10-26 22:52:24,303 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 12 states. [2018-10-26 22:52:25,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:52:25,680 INFO L93 Difference]: Finished difference Result 66 states and 81 transitions. [2018-10-26 22:52:25,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-26 22:52:25,680 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 45 [2018-10-26 22:52:25,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:52:25,683 INFO L225 Difference]: With dead ends: 66 [2018-10-26 22:52:25,683 INFO L226 Difference]: Without dead ends: 60 [2018-10-26 22:52:25,684 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2018-10-26 22:52:25,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-10-26 22:52:25,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 47. [2018-10-26 22:52:25,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-10-26 22:52:25,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 53 transitions. [2018-10-26 22:52:25,694 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 53 transitions. Word has length 45 [2018-10-26 22:52:25,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:52:25,694 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 53 transitions. [2018-10-26 22:52:25,694 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-26 22:52:25,695 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2018-10-26 22:52:25,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 22:52:25,696 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:52:25,696 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:52:25,696 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:52:25,697 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:52:25,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1551483438, now seen corresponding path program 1 times [2018-10-26 22:52:25,699 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 22:52:25,699 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/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 [2018-10-26 22:52:25,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:52:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:52:26,157 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:52:26,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-26 22:52:26,167 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:26,171 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:26,172 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-10-26 22:52:26,341 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-26 22:52:26,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-10-26 22:52:26,345 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:26,348 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:26,415 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:26,415 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:26, output treesize:22 [2018-10-26 22:52:26,482 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:52:26,491 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 36 [2018-10-26 22:52:26,499 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-26 22:52:26,499 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:26,540 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:26,557 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:26,558 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:42, output treesize:23 [2018-10-26 22:52:26,708 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:52:26,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 49 [2018-10-26 22:52:26,736 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-10-26 22:52:26,737 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:26,765 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:52:26,776 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 39 [2018-10-26 22:52:26,785 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:52:26,788 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 47 [2018-10-26 22:52:26,789 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:26,803 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:26,814 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:26,829 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 22:52:26,830 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:61, output treesize:27 [2018-10-26 22:52:26,912 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:52:26,914 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:52:26,915 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-10-26 22:52:26,915 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:26,930 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 22:52:26,931 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:30 [2018-10-26 22:52:27,100 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-26 22:52:27,105 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-26 22:52:27,106 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:27,111 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:27,185 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:52:27,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 59 [2018-10-26 22:52:27,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 42 [2018-10-26 22:52:27,271 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:27,373 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2018-10-26 22:52:27,374 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:27,425 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:27,444 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 22:52:27,445 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:49, output treesize:46 [2018-10-26 22:52:27,729 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:52:27,729 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 22:52:29,101 WARN L179 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-10-26 22:52:29,255 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-10-26 22:52:29,454 WARN L179 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-10-26 22:52:29,606 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-10-26 22:52:29,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 86 [2018-10-26 22:52:29,783 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-10-26 22:52:29,792 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-10-26 22:52:29,792 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:29,855 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:52:29,878 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 56 [2018-10-26 22:52:29,883 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2018-10-26 22:52:29,913 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 22 [2018-10-26 22:52:29,913 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-10-26 22:52:29,953 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 22:52:30,165 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:52:30,181 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 51 [2018-10-26 22:52:30,380 WARN L179 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 32 [2018-10-26 22:52:30,388 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2018-10-26 22:52:30,388 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:30,595 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:52:30,598 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 28 [2018-10-26 22:52:30,627 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-10-26 22:52:30,628 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:30,650 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 8 [2018-10-26 22:52:30,651 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-10-26 22:52:30,661 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 22:52:30,676 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-10-26 22:52:30,681 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:52:30,695 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 47 [2018-10-26 22:52:30,765 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2018-10-26 22:52:30,765 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:30,790 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:52:30,793 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 22 [2018-10-26 22:52:30,818 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-10-26 22:52:30,818 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:30,839 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-10-26 22:52:30,839 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:30,841 INFO L267 ElimStorePlain]: Start of recursive call 14: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:30,851 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:30,867 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:30,873 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:30,881 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 22:52:30,882 INFO L202 ElimStorePlain]: Needed 16 recursive calls to eliminate 7 variables, input treesize:150, output treesize:14 [2018-10-26 22:52:30,943 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:52:30,943 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a851451c-ed03-4654-8b2e-4c6b087bafe2/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 [2018-10-26 22:52:30,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:52:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:52:31,068 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:52:31,072 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-26 22:52:31,072 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:31,077 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:31,078 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-10-26 22:52:31,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-26 22:52:31,151 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-10-26 22:52:31,152 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:31,155 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:31,165 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:31,165 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:26, output treesize:22 [2018-10-26 22:52:31,206 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:52:31,233 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 36 [2018-10-26 22:52:31,238 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-26 22:52:31,238 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:31,251 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:31,263 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:31,263 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:42, output treesize:23 [2018-10-26 22:52:31,271 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:52:31,284 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 49 [2018-10-26 22:52:31,298 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-10-26 22:52:31,299 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:31,320 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:52:31,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 39 [2018-10-26 22:52:31,336 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:52:31,339 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 47 [2018-10-26 22:52:31,339 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:31,353 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:31,363 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:31,376 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 22:52:31,377 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:61, output treesize:27 [2018-10-26 22:52:31,406 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:52:31,407 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:52:31,408 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2018-10-26 22:52:31,409 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:31,421 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 22:52:31,421 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:34, output treesize:27 [2018-10-26 22:52:31,534 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-26 22:52:31,538 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-10-26 22:52:31,538 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:31,542 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:31,618 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 50 [2018-10-26 22:52:31,642 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 39 [2018-10-26 22:52:31,643 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:31,690 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:31,706 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 22:52:31,706 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:51 [2018-10-26 22:52:31,863 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 22:52:31,864 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 22:52:32,019 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-10-26 22:52:33,477 WARN L179 SmtUtils]: Spent 877.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-10-26 22:52:33,679 WARN L179 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-10-26 22:52:33,872 WARN L179 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-10-26 22:52:34,019 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-10-26 22:52:34,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 86 [2018-10-26 22:52:34,159 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-10-26 22:52:34,159 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:34,233 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:52:34,256 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 56 [2018-10-26 22:52:34,261 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2018-10-26 22:52:34,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 22 [2018-10-26 22:52:34,295 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-10-26 22:52:34,348 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 22:52:34,434 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:52:34,449 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 51 [2018-10-26 22:52:34,519 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2018-10-26 22:52:34,520 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:34,557 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:52:34,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 28 [2018-10-26 22:52:34,568 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-10-26 22:52:34,569 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:34,591 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 8 [2018-10-26 22:52:34,591 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-10-26 22:52:34,599 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 22:52:34,614 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-10-26 22:52:34,620 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:52:34,639 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 47 [2018-10-26 22:52:34,726 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2018-10-26 22:52:34,727 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:34,761 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:52:34,765 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 22 [2018-10-26 22:52:34,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-10-26 22:52:34,771 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:34,788 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-10-26 22:52:34,788 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:34,791 INFO L267 ElimStorePlain]: Start of recursive call 14: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:34,801 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:34,820 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:34,826 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:34,835 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 22:52:34,836 INFO L202 ElimStorePlain]: Needed 16 recursive calls to eliminate 8 variables, input treesize:150, output treesize:9 [2018-10-26 22:52:40,336 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 260 treesize of output 142 [2018-10-26 22:52:40,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-10-26 22:52:40,343 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:40,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 141 treesize of output 103 [2018-10-26 22:52:40,567 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2018-10-26 22:52:40,567 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:40,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 88 treesize of output 94 [2018-10-26 22:52:40,975 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-10-26 22:52:41,802 INFO L303 Elim1Store]: Index analysis took 145 ms [2018-10-26 22:52:41,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 85 treesize of output 79 [2018-10-26 22:52:42,005 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 64 [2018-10-26 22:52:42,006 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:42,337 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 70 [2018-10-26 22:52:42,338 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-10-26 22:52:42,793 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2018-10-26 22:52:42,797 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-10-26 22:52:42,797 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:42,811 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:42,828 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 52 [2018-10-26 22:52:42,990 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2018-10-26 22:52:43,003 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:52:43,038 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 39 [2018-10-26 22:52:43,039 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-10-26 22:52:43,153 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2018-10-26 22:52:43,158 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:52:43,164 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-10-26 22:52:43,164 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:43,179 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:43,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2018-10-26 22:52:43,188 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:52:43,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 14 [2018-10-26 22:52:43,196 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:43,211 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:43,215 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2018-10-26 22:52:43,241 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:52:43,267 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 24 [2018-10-26 22:52:43,268 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-10-26 22:52:43,307 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 22:52:43,312 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 29 [2018-10-26 22:52:43,363 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:52:43,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 24 [2018-10-26 22:52:43,391 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 4 xjuncts. [2018-10-26 22:52:43,452 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-26 22:52:43,538 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-10-26 22:52:43,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 67 [2018-10-26 22:52:44,349 WARN L179 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2018-10-26 22:52:44,354 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:52:44,359 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 51 [2018-10-26 22:52:44,360 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:44,364 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:52:44,372 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 51 [2018-10-26 22:52:44,372 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:44,806 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:52:44,809 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:52:44,841 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 63 [2018-10-26 22:52:44,842 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 2 xjuncts. [2018-10-26 22:52:44,856 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:52:44,894 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 59 [2018-10-26 22:52:44,894 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2018-10-26 22:52:45,405 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2018-10-26 22:52:45,414 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:52:45,421 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 14 [2018-10-26 22:52:45,422 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:45,446 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:45,450 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 39 [2018-10-26 22:52:45,465 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:52:45,484 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 24 [2018-10-26 22:52:45,485 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 2 xjuncts. [2018-10-26 22:52:45,539 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 22:52:45,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2018-10-26 22:52:45,551 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:52:45,581 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 24 [2018-10-26 22:52:45,581 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 4 xjuncts. [2018-10-26 22:52:45,662 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-26 22:52:45,667 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 41 [2018-10-26 22:52:45,671 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:52:45,676 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-10-26 22:52:45,677 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:45,703 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:52:46,057 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 46 [2018-10-26 22:52:46,091 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 28 [2018-10-26 22:52:46,091 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 2 xjuncts. [2018-10-26 22:52:46,234 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:52:46,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 40 [2018-10-26 22:52:46,271 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 4 xjuncts. [2018-10-26 22:52:46,427 INFO L267 ElimStorePlain]: Start of recursive call 35: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-10-26 22:52:46,455 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 44 [2018-10-26 22:52:46,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 16 [2018-10-26 22:52:46,532 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:46,588 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:52:46,614 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 28 [2018-10-26 22:52:46,615 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 2 xjuncts. [2018-10-26 22:52:46,678 INFO L267 ElimStorePlain]: Start of recursive call 38: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-26 22:52:46,824 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 45 [2018-10-26 22:52:46,854 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:52:46,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 31 [2018-10-26 22:52:46,885 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:47,000 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:52:47,033 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 40 [2018-10-26 22:52:47,034 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 4 xjuncts. [2018-10-26 22:52:47,193 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2018-10-26 22:52:47,193 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-10-26 22:52:47,326 INFO L267 ElimStorePlain]: Start of recursive call 41: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-10-26 22:52:47,480 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-10-26 22:52:47,633 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-10-26 22:52:47,636 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-10-26 22:52:47,654 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 8 [2018-10-26 22:52:47,654 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 2 xjuncts. [2018-10-26 22:52:47,666 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 22:52:48,205 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 85 treesize of output 96 [2018-10-26 22:52:48,264 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 73 [2018-10-26 22:52:48,265 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 2 xjuncts. [2018-10-26 22:52:58,724 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2018-10-26 22:52:58,725 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-10-26 22:53:09,303 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:53:09,349 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 76 [2018-10-26 22:53:09,350 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 2 xjuncts. [2018-10-26 22:53:22,515 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:53:22,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 46 [2018-10-26 22:53:22,543 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 4 xjuncts. [2018-10-26 22:53:35,890 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 68 treesize of output 70 [2018-10-26 22:53:36,538 WARN L179 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2018-10-26 22:53:36,570 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:53:36,629 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 41 treesize of output 46 [2018-10-26 22:53:36,651 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:53:36,654 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:53:36,698 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 42 treesize of output 70 [2018-10-26 22:53:36,699 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 4 xjuncts. [2018-10-26 22:53:37,013 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:53:37,078 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 70 [2018-10-26 22:53:37,079 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 8 xjuncts. [2018-10-26 22:53:37,758 INFO L267 ElimStorePlain]: Start of recursive call 53: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-10-26 22:53:38,319 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:53:38,320 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 41 [2018-10-26 22:53:38,343 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:53:38,356 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:53:38,414 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 38 treesize of output 73 [2018-10-26 22:53:39,665 WARN L179 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 168 DAG size of output: 124 [2018-10-26 22:53:39,669 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:53:39,670 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:53:39,671 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2018-10-26 22:53:39,671 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-10-26 22:53:39,942 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 11 [2018-10-26 22:53:39,943 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-10-26 22:53:40,070 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2018-10-26 22:53:40,070 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-10-26 22:53:40,233 INFO L267 ElimStorePlain]: Start of recursive call 57: 6 dim-0 vars, 9 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 22:53:40,260 INFO L267 ElimStorePlain]: Start of recursive call 56: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 22:53:40,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 40 [2018-10-26 22:53:40,287 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 8 [2018-10-26 22:53:40,287 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 2 xjuncts. [2018-10-26 22:53:40,462 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 22:53:41,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 35 [2018-10-26 22:53:41,065 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:53:41,134 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 42 [2018-10-26 22:53:41,135 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 8 xjuncts. [2018-10-26 22:53:41,262 INFO L267 ElimStorePlain]: Start of recursive call 63: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-10-26 22:53:41,266 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2018-10-26 22:53:41,270 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:53:41,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-10-26 22:53:41,275 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-10-26 22:53:41,295 INFO L267 ElimStorePlain]: Start of recursive call 65: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:53:41,299 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2018-10-26 22:53:41,308 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:53:41,312 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:53:41,320 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2018-10-26 22:53:41,320 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-10-26 22:53:41,339 INFO L267 ElimStorePlain]: Start of recursive call 67: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:53:41,358 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2018-10-26 22:53:41,397 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:53:41,416 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:53:41,440 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 21 [2018-10-26 22:53:41,440 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 2 xjuncts. [2018-10-26 22:53:41,485 INFO L267 ElimStorePlain]: Start of recursive call 69: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 22:53:41,851 INFO L267 ElimStorePlain]: Start of recursive call 52: 1 dim-1 vars, 3 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-10-26 22:53:51,121 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2018-10-26 22:53:51,127 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-10-26 22:53:51,127 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-10-26 22:53:51,137 INFO L267 ElimStorePlain]: Start of recursive call 71: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:53:58,237 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 69 [2018-10-26 22:53:58,628 WARN L179 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2018-10-26 22:53:58,650 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:53:58,655 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:53:58,716 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 74 [2018-10-26 22:53:58,718 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 8 xjuncts. [2018-10-26 22:53:59,121 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:53:59,126 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:53:59,126 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:53:59,161 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 72 [2018-10-26 22:53:59,162 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 2 xjuncts. [2018-10-26 22:53:59,662 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2018-10-26 22:53:59,667 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:53:59,668 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:53:59,695 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 21 [2018-10-26 22:53:59,696 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 2 xjuncts. [2018-10-26 22:53:59,748 INFO L267 ElimStorePlain]: Start of recursive call 76: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 22:53:59,752 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 35 [2018-10-26 22:53:59,770 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:53:59,830 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 42 [2018-10-26 22:53:59,831 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 8 xjuncts. [2018-10-26 22:53:59,959 INFO L267 ElimStorePlain]: Start of recursive call 78: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-10-26 22:53:59,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2018-10-26 22:53:59,966 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:53:59,971 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-10-26 22:53:59,971 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-10-26 22:53:59,991 INFO L267 ElimStorePlain]: Start of recursive call 80: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:53:59,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2018-10-26 22:54:00,000 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:00,000 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:00,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2018-10-26 22:54:00,014 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2018-10-26 22:54:00,033 INFO L267 ElimStorePlain]: Start of recursive call 82: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:54:00,415 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 48 [2018-10-26 22:54:00,433 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:00,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 62 [2018-10-26 22:54:00,501 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 32 xjuncts. [2018-10-26 22:54:07,447 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:07,454 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:07,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 38 [2018-10-26 22:54:07,477 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 4 xjuncts. [2018-10-26 22:54:07,985 INFO L267 ElimStorePlain]: Start of recursive call 84: 2 dim-1 vars, End of recursive call: and 9 xjuncts. [2018-10-26 22:54:08,254 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 42 [2018-10-26 22:54:08,258 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:08,263 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-10-26 22:54:08,263 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2018-10-26 22:54:08,297 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-10-26 22:54:08,297 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2018-10-26 22:54:08,317 INFO L267 ElimStorePlain]: Start of recursive call 87: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:54:08,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 47 [2018-10-26 22:54:08,348 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 36 [2018-10-26 22:54:08,349 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2018-10-26 22:54:08,439 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:08,439 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:08,443 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:08,460 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2018-10-26 22:54:08,461 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 2 xjuncts. [2018-10-26 22:54:08,589 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:08,666 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 62 [2018-10-26 22:54:08,670 INFO L267 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 32 xjuncts. [2018-10-26 22:54:22,521 INFO L267 ElimStorePlain]: Start of recursive call 90: 3 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-10-26 22:54:22,663 INFO L267 ElimStorePlain]: Start of recursive call 73: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-10-26 22:54:22,680 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 29 [2018-10-26 22:54:22,735 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 17 [2018-10-26 22:54:22,735 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 2 xjuncts. [2018-10-26 22:54:22,784 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-10-26 22:54:22,784 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2018-10-26 22:54:22,826 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2018-10-26 22:54:22,827 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2018-10-26 22:54:22,861 INFO L267 ElimStorePlain]: Start of recursive call 94: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-26 22:54:25,912 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 88 [2018-10-26 22:54:28,174 WARN L179 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 220 DAG size of output: 167 [2018-10-26 22:54:28,188 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:28,229 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 74 [2018-10-26 22:54:28,230 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 2 xjuncts. [2018-10-26 22:54:29,661 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:29,742 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 75 [2018-10-26 22:54:29,743 INFO L267 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 4 xjuncts. [2018-10-26 22:54:31,321 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:31,353 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:31,354 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:31,385 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 72 [2018-10-26 22:54:31,386 INFO L267 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 2 xjuncts. [2018-10-26 22:54:33,126 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:33,127 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:33,135 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 51 [2018-10-26 22:54:33,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-10-26 22:54:33,141 INFO L267 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 1 xjuncts. [2018-10-26 22:54:33,226 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-10-26 22:54:33,226 INFO L267 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 1 xjuncts. [2018-10-26 22:54:33,272 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:33,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-10-26 22:54:33,276 INFO L267 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2018-10-26 22:54:33,296 INFO L267 ElimStorePlain]: Start of recursive call 102: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:54:33,315 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 52 [2018-10-26 22:54:33,322 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:33,322 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:33,323 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2018-10-26 22:54:33,323 INFO L267 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 1 xjuncts. [2018-10-26 22:54:33,388 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:33,392 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2018-10-26 22:54:33,393 INFO L267 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 1 xjuncts. [2018-10-26 22:54:33,432 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-10-26 22:54:33,432 INFO L267 ElimStorePlain]: Start of recursive call 109: End of recursive call: and 1 xjuncts. [2018-10-26 22:54:33,451 INFO L267 ElimStorePlain]: Start of recursive call 106: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:54:34,736 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 46 [2018-10-26 22:54:34,743 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:34,749 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:34,766 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 23 [2018-10-26 22:54:34,767 INFO L267 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 4 xjuncts. [2018-10-26 22:54:34,825 INFO L267 ElimStorePlain]: Start of recursive call 110: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-26 22:54:35,975 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 45 [2018-10-26 22:54:36,008 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:36,009 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:36,013 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:36,029 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 22 [2018-10-26 22:54:36,029 INFO L267 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 2 xjuncts. [2018-10-26 22:54:36,103 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-10-26 22:54:36,103 INFO L267 ElimStorePlain]: Start of recursive call 114: End of recursive call: and 1 xjuncts. [2018-10-26 22:54:36,143 INFO L267 ElimStorePlain]: Start of recursive call 112: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 22:54:36,151 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2018-10-26 22:54:36,156 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:36,162 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-10-26 22:54:36,162 INFO L267 ElimStorePlain]: Start of recursive call 116: End of recursive call: and 1 xjuncts. [2018-10-26 22:54:36,198 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-10-26 22:54:36,198 INFO L267 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 1 xjuncts. [2018-10-26 22:54:36,218 INFO L267 ElimStorePlain]: Start of recursive call 115: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:54:37,690 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 38 [2018-10-26 22:54:37,706 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:54:37,731 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 21 [2018-10-26 22:54:37,731 INFO L267 ElimStorePlain]: Start of recursive call 119: End of recursive call: and 2 xjuncts. [2018-10-26 22:54:37,773 INFO L267 ElimStorePlain]: Start of recursive call 118: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 22:54:38,187 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:38,190 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:54:38,206 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 44 [2018-10-26 22:54:38,248 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:38,279 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 28 [2018-10-26 22:54:38,279 INFO L267 ElimStorePlain]: Start of recursive call 121: End of recursive call: and 4 xjuncts. [2018-10-26 22:54:38,363 INFO L267 ElimStorePlain]: Start of recursive call 120: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-26 22:54:38,562 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 43 [2018-10-26 22:54:38,571 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-10-26 22:54:38,571 INFO L267 ElimStorePlain]: Start of recursive call 123: End of recursive call: and 1 xjuncts. [2018-10-26 22:54:38,599 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:38,603 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-10-26 22:54:38,603 INFO L267 ElimStorePlain]: Start of recursive call 124: End of recursive call: and 1 xjuncts. [2018-10-26 22:54:38,620 INFO L267 ElimStorePlain]: Start of recursive call 122: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:54:38,772 INFO L267 ElimStorePlain]: Start of recursive call 98: 3 dim-1 vars, 8 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-10-26 22:54:39,961 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 66 [2018-10-26 22:54:40,502 WARN L179 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2018-10-26 22:54:40,522 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:40,642 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 7 case distinctions, treesize of input 44 treesize of output 88 [2018-10-26 22:54:40,643 INFO L267 ElimStorePlain]: Start of recursive call 126: End of recursive call: and 8 xjuncts. [2018-10-26 22:54:40,668 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:40,707 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:54:40,756 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 79 [2018-10-26 22:54:40,757 INFO L267 ElimStorePlain]: Start of recursive call 127: End of recursive call: and 4 xjuncts. [2018-10-26 22:54:42,045 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:42,060 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:54:42,156 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 8 case distinctions, treesize of input 47 treesize of output 90 [2018-10-26 22:54:42,157 INFO L267 ElimStorePlain]: Start of recursive call 128: End of recursive call: and 4 xjuncts. [2018-10-26 22:54:42,197 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:42,322 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 11 case distinctions, treesize of input 47 treesize of output 90 [2018-10-26 22:54:42,323 INFO L267 ElimStorePlain]: Start of recursive call 129: End of recursive call: and 4 xjuncts. [2018-10-26 22:54:43,945 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:43,951 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:54:44,010 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 78 [2018-10-26 22:54:44,011 INFO L267 ElimStorePlain]: Start of recursive call 130: End of recursive call: and 8 xjuncts. [2018-10-26 22:54:44,032 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:44,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 7 case distinctions, treesize of input 42 treesize of output 74 [2018-10-26 22:54:44,103 INFO L267 ElimStorePlain]: Start of recursive call 131: End of recursive call: and 8 xjuncts. [2018-10-26 22:54:46,545 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 63 [2018-10-26 22:54:46,557 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:46,598 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 51 [2018-10-26 22:54:46,599 INFO L267 ElimStorePlain]: Start of recursive call 133: End of recursive call: and 2 xjuncts. [2018-10-26 22:54:46,829 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:46,848 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 37 [2018-10-26 22:54:46,849 INFO L267 ElimStorePlain]: Start of recursive call 134: End of recursive call: and 2 xjuncts. [2018-10-26 22:54:46,857 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:46,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 43 [2018-10-26 22:54:46,889 INFO L267 ElimStorePlain]: Start of recursive call 135: End of recursive call: and 4 xjuncts. [2018-10-26 22:54:47,171 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:47,212 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2018-10-26 22:54:47,212 INFO L267 ElimStorePlain]: Start of recursive call 136: End of recursive call: and 4 xjuncts. [2018-10-26 22:54:47,405 INFO L267 ElimStorePlain]: Start of recursive call 132: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-10-26 22:54:47,435 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 59 [2018-10-26 22:54:47,448 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:47,469 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 49 [2018-10-26 22:54:47,470 INFO L267 ElimStorePlain]: Start of recursive call 138: End of recursive call: and 2 xjuncts. [2018-10-26 22:54:47,636 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:47,642 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 24 [2018-10-26 22:54:47,643 INFO L267 ElimStorePlain]: Start of recursive call 139: End of recursive call: and 1 xjuncts. [2018-10-26 22:54:47,653 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:47,668 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 33 [2018-10-26 22:54:47,668 INFO L267 ElimStorePlain]: Start of recursive call 140: End of recursive call: and 2 xjuncts. [2018-10-26 22:54:47,752 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:47,777 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 30 [2018-10-26 22:54:47,777 INFO L267 ElimStorePlain]: Start of recursive call 141: End of recursive call: and 2 xjuncts. [2018-10-26 22:54:47,838 INFO L267 ElimStorePlain]: Start of recursive call 137: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-26 22:54:47,859 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 59 [2018-10-26 22:54:47,864 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:47,865 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2018-10-26 22:54:47,865 INFO L267 ElimStorePlain]: Start of recursive call 143: End of recursive call: and 1 xjuncts. [2018-10-26 22:54:47,969 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:47,972 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 27 [2018-10-26 22:54:47,973 INFO L267 ElimStorePlain]: Start of recursive call 144: End of recursive call: and 1 xjuncts. [2018-10-26 22:54:48,050 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:48,051 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 34 [2018-10-26 22:54:48,051 INFO L267 ElimStorePlain]: Start of recursive call 145: End of recursive call: and 1 xjuncts. [2018-10-26 22:54:48,107 INFO L267 ElimStorePlain]: Start of recursive call 142: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 22:54:48,137 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 63 [2018-10-26 22:54:48,186 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 38 [2018-10-26 22:54:48,187 INFO L267 ElimStorePlain]: Start of recursive call 147: End of recursive call: and 1 xjuncts. [2018-10-26 22:54:48,275 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:48,356 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 58 [2018-10-26 22:54:48,359 INFO L267 ElimStorePlain]: Start of recursive call 148: End of recursive call: and 32 xjuncts. [2018-10-26 22:54:55,251 INFO L267 ElimStorePlain]: Start of recursive call 146: 3 dim-1 vars, End of recursive call: and 10 xjuncts. [2018-10-26 22:54:55,337 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 59 [2018-10-26 22:54:55,355 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:55,406 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 54 treesize of output 51 [2018-10-26 22:54:55,406 INFO L267 ElimStorePlain]: Start of recursive call 150: End of recursive call: and 4 xjuncts. [2018-10-26 22:54:55,628 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 34 [2018-10-26 22:54:55,629 INFO L267 ElimStorePlain]: Start of recursive call 151: End of recursive call: and 2 xjuncts. [2018-10-26 22:54:55,641 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:54:55,642 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 20 [2018-10-26 22:54:55,643 INFO L267 ElimStorePlain]: Start of recursive call 152: End of recursive call: and 1 xjuncts. [2018-10-26 22:54:55,681 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 33 [2018-10-26 22:54:55,682 INFO L267 ElimStorePlain]: Start of recursive call 153: End of recursive call: and 2 xjuncts. [2018-10-26 22:54:55,717 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 33 [2018-10-26 22:54:55,718 INFO L267 ElimStorePlain]: Start of recursive call 154: End of recursive call: and 2 xjuncts. [2018-10-26 22:54:55,890 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:55,952 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 46 [2018-10-26 22:54:55,953 INFO L267 ElimStorePlain]: Start of recursive call 155: End of recursive call: and 8 xjuncts. [2018-10-26 22:54:56,083 INFO L267 ElimStorePlain]: Start of recursive call 149: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-10-26 22:54:56,111 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 63 [2018-10-26 22:54:56,117 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:56,206 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 51 [2018-10-26 22:54:56,206 INFO L267 ElimStorePlain]: Start of recursive call 157: End of recursive call: and 2 xjuncts. [2018-10-26 22:54:56,372 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:56,405 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 43 [2018-10-26 22:54:56,406 INFO L267 ElimStorePlain]: Start of recursive call 158: End of recursive call: and 4 xjuncts. [2018-10-26 22:54:56,410 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:56,434 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 37 [2018-10-26 22:54:56,435 INFO L267 ElimStorePlain]: Start of recursive call 159: End of recursive call: and 2 xjuncts. [2018-10-26 22:54:56,770 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:56,821 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 42 [2018-10-26 22:54:56,822 INFO L267 ElimStorePlain]: Start of recursive call 160: End of recursive call: and 4 xjuncts. [2018-10-26 22:54:56,997 INFO L267 ElimStorePlain]: Start of recursive call 156: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-10-26 22:54:57,023 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 59 [2018-10-26 22:54:57,032 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:57,098 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 49 [2018-10-26 22:54:57,099 INFO L267 ElimStorePlain]: Start of recursive call 162: End of recursive call: and 2 xjuncts. [2018-10-26 22:54:57,230 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:57,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 43 [2018-10-26 22:54:57,268 INFO L267 ElimStorePlain]: Start of recursive call 163: End of recursive call: and 2 xjuncts. [2018-10-26 22:54:57,395 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:57,419 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 34 [2018-10-26 22:54:57,420 INFO L267 ElimStorePlain]: Start of recursive call 164: End of recursive call: and 2 xjuncts. [2018-10-26 22:54:57,525 INFO L267 ElimStorePlain]: Start of recursive call 161: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-10-26 22:54:57,549 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 63 [2018-10-26 22:54:57,554 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:57,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 49 [2018-10-26 22:54:57,561 INFO L267 ElimStorePlain]: Start of recursive call 166: End of recursive call: and 1 xjuncts. [2018-10-26 22:54:57,706 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:57,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 31 [2018-10-26 22:54:57,733 INFO L267 ElimStorePlain]: Start of recursive call 167: End of recursive call: and 1 xjuncts. [2018-10-26 22:54:57,837 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:54:57,844 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2018-10-26 22:54:57,844 INFO L267 ElimStorePlain]: Start of recursive call 168: End of recursive call: and 1 xjuncts. [2018-10-26 22:54:57,933 INFO L267 ElimStorePlain]: Start of recursive call 165: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 22:55:04,113 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 36 [2018-10-26 22:55:04,117 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:04,122 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:04,128 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2018-10-26 22:55:04,128 INFO L267 ElimStorePlain]: Start of recursive call 170: End of recursive call: and 1 xjuncts. [2018-10-26 22:55:04,298 INFO L267 ElimStorePlain]: Start of recursive call 169: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:55:04,310 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 30 [2018-10-26 22:55:04,366 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:04,463 INFO L303 Elim1Store]: Index analysis took 151 ms [2018-10-26 22:55:04,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 28 [2018-10-26 22:55:04,541 INFO L267 ElimStorePlain]: Start of recursive call 172: End of recursive call: and 4 xjuncts. [2018-10-26 22:55:04,600 INFO L267 ElimStorePlain]: Start of recursive call 171: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-26 22:55:04,604 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2018-10-26 22:55:04,614 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:04,633 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:04,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 19 [2018-10-26 22:55:04,652 INFO L267 ElimStorePlain]: Start of recursive call 174: End of recursive call: and 2 xjuncts. [2018-10-26 22:55:04,789 INFO L267 ElimStorePlain]: Start of recursive call 173: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 22:55:04,792 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2018-10-26 22:55:04,796 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:04,799 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 10 [2018-10-26 22:55:04,799 INFO L267 ElimStorePlain]: Start of recursive call 176: End of recursive call: and 1 xjuncts. [2018-10-26 22:55:04,816 INFO L267 ElimStorePlain]: Start of recursive call 175: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:55:04,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2018-10-26 22:55:04,824 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:04,827 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-10-26 22:55:04,827 INFO L267 ElimStorePlain]: Start of recursive call 178: End of recursive call: and 1 xjuncts. [2018-10-26 22:55:04,848 INFO L267 ElimStorePlain]: Start of recursive call 177: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:55:04,852 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2018-10-26 22:55:04,860 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:04,861 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:04,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 19 [2018-10-26 22:55:04,878 INFO L267 ElimStorePlain]: Start of recursive call 180: End of recursive call: and 2 xjuncts. [2018-10-26 22:55:04,918 INFO L267 ElimStorePlain]: Start of recursive call 179: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 22:55:05,997 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 46 [2018-10-26 22:55:06,002 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:06,006 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 12 [2018-10-26 22:55:06,007 INFO L267 ElimStorePlain]: Start of recursive call 182: End of recursive call: and 1 xjuncts. [2018-10-26 22:55:06,049 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 8 [2018-10-26 22:55:06,050 INFO L267 ElimStorePlain]: Start of recursive call 183: End of recursive call: and 2 xjuncts. [2018-10-26 22:55:06,074 INFO L267 ElimStorePlain]: Start of recursive call 181: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 22:55:06,100 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 49 [2018-10-26 22:55:06,124 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 42 [2018-10-26 22:55:06,124 INFO L267 ElimStorePlain]: Start of recursive call 185: End of recursive call: and 2 xjuncts. [2018-10-26 22:55:06,264 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:06,303 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 42 [2018-10-26 22:55:06,304 INFO L267 ElimStorePlain]: Start of recursive call 186: End of recursive call: and 4 xjuncts. [2018-10-26 22:55:06,550 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:06,554 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 28 [2018-10-26 22:55:06,554 INFO L267 ElimStorePlain]: Start of recursive call 187: End of recursive call: and 1 xjuncts. [2018-10-26 22:55:06,558 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:06,562 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 27 [2018-10-26 22:55:06,563 INFO L267 ElimStorePlain]: Start of recursive call 188: End of recursive call: and 1 xjuncts. [2018-10-26 22:55:06,739 INFO L267 ElimStorePlain]: Start of recursive call 184: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-10-26 22:55:06,764 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 47 [2018-10-26 22:55:06,800 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2018-10-26 22:55:06,801 INFO L267 ElimStorePlain]: Start of recursive call 190: End of recursive call: and 1 xjuncts. [2018-10-26 22:55:06,873 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:06,934 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 46 [2018-10-26 22:55:06,935 INFO L267 ElimStorePlain]: Start of recursive call 191: End of recursive call: and 8 xjuncts. [2018-10-26 22:55:07,116 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:07,150 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 31 [2018-10-26 22:55:07,151 INFO L267 ElimStorePlain]: Start of recursive call 192: End of recursive call: and 4 xjuncts. [2018-10-26 22:55:07,308 INFO L267 ElimStorePlain]: Start of recursive call 189: 3 dim-1 vars, End of recursive call: and 8 xjuncts. [2018-10-26 22:55:07,334 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 51 [2018-10-26 22:55:07,341 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2018-10-26 22:55:07,341 INFO L267 ElimStorePlain]: Start of recursive call 194: End of recursive call: and 1 xjuncts. [2018-10-26 22:55:07,450 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:07,458 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 33 [2018-10-26 22:55:07,458 INFO L267 ElimStorePlain]: Start of recursive call 195: End of recursive call: and 1 xjuncts. [2018-10-26 22:55:07,548 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:07,559 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 30 [2018-10-26 22:55:07,559 INFO L267 ElimStorePlain]: Start of recursive call 196: End of recursive call: and 1 xjuncts. [2018-10-26 22:55:07,608 INFO L267 ElimStorePlain]: Start of recursive call 193: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 22:55:07,636 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 51 [2018-10-26 22:55:07,665 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 42 [2018-10-26 22:55:07,666 INFO L267 ElimStorePlain]: Start of recursive call 198: End of recursive call: and 2 xjuncts. [2018-10-26 22:55:07,809 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:07,894 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 58 [2018-10-26 22:55:07,897 INFO L267 ElimStorePlain]: Start of recursive call 199: End of recursive call: and 32 xjuncts. [2018-10-26 22:55:13,646 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:13,691 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 38 [2018-10-26 22:55:13,692 INFO L267 ElimStorePlain]: Start of recursive call 200: End of recursive call: and 4 xjuncts. [2018-10-26 22:55:14,237 INFO L267 ElimStorePlain]: Start of recursive call 197: 3 dim-1 vars, End of recursive call: and 13 xjuncts. [2018-10-26 22:55:14,264 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 49 [2018-10-26 22:55:14,269 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:14,321 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 47 [2018-10-26 22:55:14,322 INFO L267 ElimStorePlain]: Start of recursive call 202: End of recursive call: and 4 xjuncts. [2018-10-26 22:55:14,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 29 [2018-10-26 22:55:14,558 INFO L267 ElimStorePlain]: Start of recursive call 203: End of recursive call: and 2 xjuncts. [2018-10-26 22:55:14,576 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 28 [2018-10-26 22:55:14,576 INFO L267 ElimStorePlain]: Start of recursive call 204: End of recursive call: and 2 xjuncts. [2018-10-26 22:55:14,594 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 27 [2018-10-26 22:55:14,594 INFO L267 ElimStorePlain]: Start of recursive call 205: End of recursive call: and 2 xjuncts. [2018-10-26 22:55:14,839 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:14,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 58 [2018-10-26 22:55:14,932 INFO L267 ElimStorePlain]: Start of recursive call 206: End of recursive call: and 32 xjuncts. [2018-10-26 22:55:15,727 INFO L267 ElimStorePlain]: Start of recursive call 201: 3 dim-1 vars, End of recursive call: and 13 xjuncts. [2018-10-26 22:55:15,735 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 42 [2018-10-26 22:55:15,744 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-10-26 22:55:15,745 INFO L267 ElimStorePlain]: Start of recursive call 208: End of recursive call: and 1 xjuncts. [2018-10-26 22:55:15,770 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:15,773 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 10 [2018-10-26 22:55:15,774 INFO L267 ElimStorePlain]: Start of recursive call 209: End of recursive call: and 1 xjuncts. [2018-10-26 22:55:15,788 INFO L267 ElimStorePlain]: Start of recursive call 207: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:55:16,079 INFO L267 ElimStorePlain]: Start of recursive call 125: 3 dim-1 vars, 3 dim-2 vars, End of recursive call: and 9 xjuncts. [2018-10-26 22:55:17,468 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 64 treesize of output 85 [2018-10-26 22:55:19,999 WARN L179 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 221 DAG size of output: 188 [2018-10-26 22:55:20,033 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:20,159 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 8 case distinctions, treesize of input 43 treesize of output 90 [2018-10-26 22:55:20,160 INFO L267 ElimStorePlain]: Start of recursive call 211: End of recursive call: and 8 xjuncts. [2018-10-26 22:55:21,993 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:21,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 57 [2018-10-26 22:55:21,998 INFO L267 ElimStorePlain]: Start of recursive call 212: End of recursive call: and 1 xjuncts. [2018-10-26 22:55:23,634 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:23,640 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:55:23,698 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 70 [2018-10-26 22:55:23,699 INFO L267 ElimStorePlain]: Start of recursive call 213: End of recursive call: and 8 xjuncts. [2018-10-26 22:55:25,651 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:25,726 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 75 [2018-10-26 22:55:25,727 INFO L267 ElimStorePlain]: Start of recursive call 214: End of recursive call: and 4 xjuncts. [2018-10-26 22:55:27,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 44 [2018-10-26 22:55:27,996 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-10-26 22:55:27,996 INFO L267 ElimStorePlain]: Start of recursive call 216: End of recursive call: and 1 xjuncts. [2018-10-26 22:55:28,028 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:28,055 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 24 [2018-10-26 22:55:28,055 INFO L267 ElimStorePlain]: Start of recursive call 217: End of recursive call: and 4 xjuncts. [2018-10-26 22:55:28,110 INFO L267 ElimStorePlain]: Start of recursive call 215: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-26 22:55:28,142 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 46 [2018-10-26 22:55:28,180 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 17 [2018-10-26 22:55:28,180 INFO L267 ElimStorePlain]: Start of recursive call 219: End of recursive call: and 2 xjuncts. [2018-10-26 22:55:28,233 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:28,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 24 [2018-10-26 22:55:28,266 INFO L267 ElimStorePlain]: Start of recursive call 220: End of recursive call: and 4 xjuncts. [2018-10-26 22:55:28,352 INFO L267 ElimStorePlain]: Start of recursive call 218: 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-10-26 22:55:28,360 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 46 [2018-10-26 22:55:28,372 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:28,388 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 14 [2018-10-26 22:55:28,388 INFO L267 ElimStorePlain]: Start of recursive call 222: End of recursive call: and 2 xjuncts. [2018-10-26 22:55:28,444 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:28,448 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-10-26 22:55:28,448 INFO L267 ElimStorePlain]: Start of recursive call 223: End of recursive call: and 1 xjuncts. [2018-10-26 22:55:28,471 INFO L267 ElimStorePlain]: Start of recursive call 221: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 22:55:28,479 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 44 [2018-10-26 22:55:28,484 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:28,485 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 3 [2018-10-26 22:55:28,485 INFO L267 ElimStorePlain]: Start of recursive call 225: End of recursive call: and 1 xjuncts. [2018-10-26 22:55:28,515 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:28,519 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-10-26 22:55:28,519 INFO L267 ElimStorePlain]: Start of recursive call 226: End of recursive call: and 1 xjuncts. [2018-10-26 22:55:28,536 INFO L267 ElimStorePlain]: Start of recursive call 224: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:55:30,198 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 62 [2018-10-26 22:55:30,826 WARN L179 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2018-10-26 22:55:30,848 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 29 [2018-10-26 22:55:30,848 INFO L267 ElimStorePlain]: Start of recursive call 228: End of recursive call: and 2 xjuncts. [2018-10-26 22:55:31,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 33 [2018-10-26 22:55:31,730 INFO L267 ElimStorePlain]: Start of recursive call 229: End of recursive call: and 2 xjuncts. [2018-10-26 22:55:31,741 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:31,770 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 46 [2018-10-26 22:55:31,771 INFO L267 ElimStorePlain]: Start of recursive call 230: End of recursive call: and 4 xjuncts. [2018-10-26 22:55:32,306 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:55:32,532 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 22:55:32,532 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_prenex_83 term size 37 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.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:418) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:435) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-26 22:55:32,536 INFO L168 Benchmark]: Toolchain (without parser) took 192405.70 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 262.1 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -126.9 MB). Peak memory consumption was 494.3 MB. Max. memory is 11.5 GB. [2018-10-26 22:55:32,536 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-10-26 22:55:32,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 494.49 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 926.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:55:32,537 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.70 ms. Allocated memory is still 1.0 GB. Free memory was 926.4 MB in the beginning and 921.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:55:32,537 INFO L168 Benchmark]: Boogie Preprocessor took 120.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 921.0 MB in the beginning and 1.1 GB in the end (delta: -184.6 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:55:32,549 INFO L168 Benchmark]: RCFGBuilder took 782.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. [2018-10-26 22:55:32,550 INFO L168 Benchmark]: TraceAbstraction took 190932.54 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 142.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -9.1 MB). Peak memory consumption was 492.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:55:32,551 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 494.49 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 926.4 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 71.70 ms. Allocated memory is still 1.0 GB. Free memory was 926.4 MB in the beginning and 921.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 120.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 921.0 MB in the beginning and 1.1 GB in the end (delta: -184.6 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 782.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 190932.54 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 142.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -9.1 MB). Peak memory consumption was 492.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_prenex_83 term size 37 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_prenex_83 term size 37: 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...