./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_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/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_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/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_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/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_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/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 [2018-11-10 11:52:38,942 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:52:38,944 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:52:38,954 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:52:38,954 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:52:38,955 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:52:38,956 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:52:38,957 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:52:38,959 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:52:38,959 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:52:38,960 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:52:38,960 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:52:38,961 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:52:38,962 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:52:38,963 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:52:38,963 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:52:38,964 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:52:38,965 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:52:38,967 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:52:38,968 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:52:38,969 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:52:38,970 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:52:38,971 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:52:38,971 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:52:38,972 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:52:38,972 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:52:38,974 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:52:38,975 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:52:38,975 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:52:38,976 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:52:38,976 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:52:38,977 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:52:38,977 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:52:38,977 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:52:38,978 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:52:38,979 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:52:38,979 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 11:52:38,990 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:52:38,990 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:52:38,991 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:52:38,991 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 11:52:38,991 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 11:52:38,991 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 11:52:38,991 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 11:52:38,991 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 11:52:38,992 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 11:52:38,992 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 11:52:38,992 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 11:52:38,992 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:52:38,993 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:52:38,993 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:52:38,993 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:52:38,993 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:52:38,993 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:52:38,993 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:52:38,994 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:52:38,994 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:52:38,994 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:52:38,994 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:52:38,994 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:52:38,994 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 11:52:38,995 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:52:38,995 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 11:52:38,995 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:52:38,995 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:52:38,995 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:52:38,995 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:52:38,995 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 11:52:38,996 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:52:38,996 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:52:38,996 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 11:52:38,996 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_1b885ca5-19aa-41be-b3ac-e4696050c77e/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 [2018-11-10 11:52:39,022 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:52:39,031 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:52:39,034 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:52:39,035 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:52:39,035 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:52:39,036 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/../../sv-benchmarks/c/list-simple/dll2c_remove_all_true-unreach-call_true-valid-memsafety.i [2018-11-10 11:52:39,082 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/data/b3dbe4bea/c46f6e58a3be4d4eb432dbf1369c61f3/FLAG9fbfdadd8 [2018-11-10 11:52:39,484 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:52:39,485 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/sv-benchmarks/c/list-simple/dll2c_remove_all_true-unreach-call_true-valid-memsafety.i [2018-11-10 11:52:39,492 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/data/b3dbe4bea/c46f6e58a3be4d4eb432dbf1369c61f3/FLAG9fbfdadd8 [2018-11-10 11:52:39,501 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/data/b3dbe4bea/c46f6e58a3be4d4eb432dbf1369c61f3 [2018-11-10 11:52:39,503 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:52:39,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:52:39,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:52:39,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:52:39,507 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:52:39,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:52:39" (1/1) ... [2018-11-10 11:52:39,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66cdfcaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:39, skipping insertion in model container [2018-11-10 11:52:39,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:52:39" (1/1) ... [2018-11-10 11:52:39,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:52:39,545 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:52:39,745 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:52:39,752 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:52:39,788 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:52:39,815 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:52:39,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:39 WrapperNode [2018-11-10 11:52:39,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:52:39,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:52:39,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:52:39,816 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:52:39,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:39" (1/1) ... [2018-11-10 11:52:39,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:39" (1/1) ... [2018-11-10 11:52:39,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:52:39,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:52:39,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:52:39,896 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:52:39,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:39" (1/1) ... [2018-11-10 11:52:39,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:39" (1/1) ... [2018-11-10 11:52:39,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:39" (1/1) ... [2018-11-10 11:52:39,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:39" (1/1) ... [2018-11-10 11:52:39,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:39" (1/1) ... [2018-11-10 11:52:39,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:39" (1/1) ... [2018-11-10 11:52:39,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:39" (1/1) ... [2018-11-10 11:52:39,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:52:39,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:52:39,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:52:39,925 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:52:39,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:52:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2018-11-10 11:52:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2018-11-10 11:52:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 11:52:39,964 INFO L138 BoogieDeclarations]: Found implementation of procedure exit [2018-11-10 11:52:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2018-11-10 11:52:39,964 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2018-11-10 11:52:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 11:52:39,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 11:52:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 11:52:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 11:52:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_remove_first [2018-11-10 11:52:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_remove_first [2018-11-10 11:52:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:52:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:52:40,267 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:52:40,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:52:40 BoogieIcfgContainer [2018-11-10 11:52:40,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:52:40,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 11:52:40,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 11:52:40,271 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 11:52:40,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:52:39" (1/3) ... [2018-11-10 11:52:40,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db86fdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:52:40, skipping insertion in model container [2018-11-10 11:52:40,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:39" (2/3) ... [2018-11-10 11:52:40,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db86fdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:52:40, skipping insertion in model container [2018-11-10 11:52:40,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:52:40" (3/3) ... [2018-11-10 11:52:40,274 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2c_remove_all_true-unreach-call_true-valid-memsafety.i [2018-11-10 11:52:40,280 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 11:52:40,285 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 11:52:40,295 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 11:52:40,315 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 11:52:40,316 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 11:52:40,316 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 11:52:40,316 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 11:52:40,316 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 11:52:40,316 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 11:52:40,316 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 11:52:40,316 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 11:52:40,328 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2018-11-10 11:52:40,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 11:52:40,333 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:40,334 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] [2018-11-10 11:52:40,336 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:40,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:40,340 INFO L82 PathProgramCache]: Analyzing trace with hash -613250840, now seen corresponding path program 1 times [2018-11-10 11:52:40,342 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:52:40,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:40,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:40,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:40,387 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:52:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:40,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:52:40,481 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:52:40,481 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 11:52:40,481 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:52:40,485 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 11:52:40,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 11:52:40,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 11:52:40,500 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2018-11-10 11:52:40,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:52:40,518 INFO L93 Difference]: Finished difference Result 64 states and 74 transitions. [2018-11-10 11:52:40,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 11:52:40,519 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-11-10 11:52:40,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:52:40,525 INFO L225 Difference]: With dead ends: 64 [2018-11-10 11:52:40,525 INFO L226 Difference]: Without dead ends: 37 [2018-11-10 11:52:40,527 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 [2018-11-10 11:52:40,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-10 11:52:40,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-11-10 11:52:40,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-10 11:52:40,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2018-11-10 11:52:40,555 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 24 [2018-11-10 11:52:40,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:52:40,556 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2018-11-10 11:52:40,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 11:52:40,557 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2018-11-10 11:52:40,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 11:52:40,558 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:40,559 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] [2018-11-10 11:52:40,559 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:40,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:40,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1120841666, now seen corresponding path program 1 times [2018-11-10 11:52:40,560 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:52:40,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:40,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:40,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:40,562 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:52:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:40,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:52:40,652 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:52:40,652 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 11:52:40,653 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:52:40,654 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 11:52:40,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 11:52:40,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 11:52:40,655 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand 5 states. [2018-11-10 11:52:40,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:52:40,709 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions. [2018-11-10 11:52:40,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 11:52:40,710 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-11-10 11:52:40,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:52:40,710 INFO L225 Difference]: With dead ends: 59 [2018-11-10 11:52:40,711 INFO L226 Difference]: Without dead ends: 43 [2018-11-10 11:52:40,711 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-10 11:52:40,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-10 11:52:40,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2018-11-10 11:52:40,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-11-10 11:52:40,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2018-11-10 11:52:40,717 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 26 [2018-11-10 11:52:40,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:52:40,718 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2018-11-10 11:52:40,718 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 11:52:40,718 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2018-11-10 11:52:40,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 11:52:40,719 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:40,719 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] [2018-11-10 11:52:40,719 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:40,720 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:40,720 INFO L82 PathProgramCache]: Analyzing trace with hash -10648864, now seen corresponding path program 1 times [2018-11-10 11:52:40,720 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:52:40,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:40,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:40,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:40,722 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:52:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:40,798 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 11:52:40,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:52:40,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 11:52:40,799 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:52:40,799 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 11:52:40,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 11:52:40,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 11:52:40,799 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 4 states. [2018-11-10 11:52:40,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:52:40,832 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions. [2018-11-10 11:52:40,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 11:52:40,832 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2018-11-10 11:52:40,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:52:40,833 INFO L225 Difference]: With dead ends: 47 [2018-11-10 11:52:40,833 INFO L226 Difference]: Without dead ends: 43 [2018-11-10 11:52:40,833 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 11:52:40,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-10 11:52:40,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2018-11-10 11:52:40,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-10 11:52:40,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2018-11-10 11:52:40,838 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 37 [2018-11-10 11:52:40,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:52:40,838 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2018-11-10 11:52:40,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 11:52:40,838 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-11-10 11:52:40,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 11:52:40,839 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:40,839 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] [2018-11-10 11:52:40,839 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:40,839 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:40,840 INFO L82 PathProgramCache]: Analyzing trace with hash 334018182, now seen corresponding path program 1 times [2018-11-10 11:52:40,840 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:52:40,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:40,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:40,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:40,841 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:52:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:40,943 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 11:52:40,943 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:52:40,943 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 11:52:40,944 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 46 with the following transitions: [2018-11-10 11:52:40,945 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] [2018-11-10 11:52:40,990 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 11:52:40,990 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 11:52:41,489 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-10 11:52:41,490 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. [2018-11-10 11:52:41,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:41,503 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-10 11:52:41,503 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:52:41,503 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 11:52:41,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:41,511 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-10 11:52:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:41,625 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:52:41,664 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 11:52:41,664 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 11:52:41,719 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 11:52:41,737 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-10 11:52:41,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2018-11-10 11:52:41,737 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-10 11:52:41,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 11:52:41,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 11:52:41,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-11-10 11:52:41,739 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 7 states. [2018-11-10 11:52:41,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:52:41,812 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2018-11-10 11:52:41,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 11:52:41,812 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2018-11-10 11:52:41,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:52:41,813 INFO L225 Difference]: With dead ends: 51 [2018-11-10 11:52:41,813 INFO L226 Difference]: Without dead ends: 47 [2018-11-10 11:52:41,813 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2018-11-10 11:52:41,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-11-10 11:52:41,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2018-11-10 11:52:41,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-11-10 11:52:41,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2018-11-10 11:52:41,818 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 45 [2018-11-10 11:52:41,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:52:41,818 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2018-11-10 11:52:41,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 11:52:41,818 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2018-11-10 11:52:41,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 11:52:41,819 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:41,819 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] [2018-11-10 11:52:41,820 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:41,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:41,820 INFO L82 PathProgramCache]: Analyzing trace with hash 871425068, now seen corresponding path program 2 times [2018-11-10 11:52:41,820 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:52:41,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:41,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:41,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:41,821 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:52:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:41,934 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 11:52:41,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:52:41,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 11:52:41,934 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:52:41,935 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 11:52:41,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 11:52:41,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 11:52:41,935 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand 6 states. [2018-11-10 11:52:42,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:52:42,112 INFO L93 Difference]: Finished difference Result 60 states and 69 transitions. [2018-11-10 11:52:42,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 11:52:42,112 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2018-11-10 11:52:42,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:52:42,114 INFO L225 Difference]: With dead ends: 60 [2018-11-10 11:52:42,115 INFO L226 Difference]: Without dead ends: 56 [2018-11-10 11:52:42,115 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-10 11:52:42,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-11-10 11:52:42,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 47. [2018-11-10 11:52:42,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-11-10 11:52:42,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 53 transitions. [2018-11-10 11:52:42,121 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 53 transitions. Word has length 53 [2018-11-10 11:52:42,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:52:42,121 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 53 transitions. [2018-11-10 11:52:42,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 11:52:42,121 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2018-11-10 11:52:42,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 11:52:42,123 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:42,123 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] [2018-11-10 11:52:42,124 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:42,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:42,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1551483438, now seen corresponding path program 1 times [2018-11-10 11:52:42,124 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:52:42,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:42,126 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 11:52:42,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:52:42,126 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:52:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:42,659 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 11:52:42,659 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:52:42,659 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 11:52:42,659 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 54 with the following transitions: [2018-11-10 11:52:42,659 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] [2018-11-10 11:52:42,661 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 11:52:42,661 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 11:52:42,968 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-10 11:52:42,968 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. [2018-11-10 11:52:42,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:42,973 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-10 11:52:42,974 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:52:42,974 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 11:52:42,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:42,994 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-10 11:52:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:43,053 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:52:43,068 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-10 11:52:43,069 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:43,070 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:43,071 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-10 11:52:43,160 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-10 11:52:43,174 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-11-10 11:52:43,174 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:46, output treesize:43 [2018-11-10 11:52:43,391 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 11:52:43,391 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) [2018-11-10 11:52:43,394 INFO L168 Benchmark]: Toolchain (without parser) took 3890.45 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 328.2 MB). Free memory was 957.5 MB in the beginning and 1.2 GB in the end (delta: -256.3 MB). Peak memory consumption was 71.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:52:43,395 INFO L168 Benchmark]: CDTParser took 0.23 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. [2018-11-10 11:52:43,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.18 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 928.0 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-10 11:52:43,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 928.0 MB in the beginning and 1.1 GB in the end (delta: -211.0 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:52:43,396 INFO L168 Benchmark]: Boogie Preprocessor took 28.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 11:52:43,397 INFO L168 Benchmark]: RCFGBuilder took 343.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2018-11-10 11:52:43,397 INFO L168 Benchmark]: TraceAbstraction took 3125.21 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 183.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -111.4 MB). Peak memory consumption was 71.5 MB. Max. memory is 11.5 GB. [2018-11-10 11:52:43,400 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 311.18 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 928.0 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 928.0 MB in the beginning and 1.1 GB in the end (delta: -211.0 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 343.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3125.21 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 183.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -111.4 MB). Peak memory consumption was 71.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 7185 column 44: unknown constant v_DerPreprocessor_1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 7185 column 44: unknown constant v_DerPreprocessor_1: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$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 [2018-11-10 11:52:44,968 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:52:44,969 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:52:44,977 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:52:44,977 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:52:44,978 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:52:44,979 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:52:44,980 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:52:44,982 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:52:44,982 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:52:44,983 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:52:44,983 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:52:44,984 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:52:44,984 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:52:44,985 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:52:44,986 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:52:44,987 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:52:44,988 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:52:44,990 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:52:44,991 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:52:44,992 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:52:44,993 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:52:44,995 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:52:44,995 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:52:44,995 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:52:44,996 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:52:44,997 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:52:44,998 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:52:44,998 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:52:44,999 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:52:44,999 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:52:45,000 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:52:45,000 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:52:45,000 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:52:45,001 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:52:45,002 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:52:45,002 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 11:52:45,014 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:52:45,014 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:52:45,015 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:52:45,015 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 11:52:45,015 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 11:52:45,015 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 11:52:45,016 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 11:52:45,016 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 11:52:45,016 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:52:45,017 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:52:45,017 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:52:45,017 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:52:45,017 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:52:45,017 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:52:45,017 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:52:45,017 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 11:52:45,018 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 11:52:45,018 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:52:45,018 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:52:45,018 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:52:45,018 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:52:45,018 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 11:52:45,018 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:52:45,019 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 11:52:45,019 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:52:45,019 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:52:45,019 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:52:45,019 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:52:45,019 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 11:52:45,019 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:52:45,020 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 11:52:45,020 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 11:52:45,020 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_1b885ca5-19aa-41be-b3ac-e4696050c77e/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 [2018-11-10 11:52:45,051 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:52:45,060 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:52:45,062 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:52:45,064 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:52:45,064 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:52:45,064 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/../../sv-benchmarks/c/list-simple/dll2c_remove_all_true-unreach-call_true-valid-memsafety.i [2018-11-10 11:52:45,106 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/data/0ea5b1744/3ec68a7dc32b4cdbb76c8a8685f09de9/FLAG38cca7f9e [2018-11-10 11:52:45,479 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:52:45,479 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/sv-benchmarks/c/list-simple/dll2c_remove_all_true-unreach-call_true-valid-memsafety.i [2018-11-10 11:52:45,487 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/data/0ea5b1744/3ec68a7dc32b4cdbb76c8a8685f09de9/FLAG38cca7f9e [2018-11-10 11:52:45,497 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/data/0ea5b1744/3ec68a7dc32b4cdbb76c8a8685f09de9 [2018-11-10 11:52:45,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:52:45,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:52:45,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:52:45,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:52:45,504 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:52:45,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:52:45" (1/1) ... [2018-11-10 11:52:45,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76593245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:45, skipping insertion in model container [2018-11-10 11:52:45,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:52:45" (1/1) ... [2018-11-10 11:52:45,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:52:45,550 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:52:45,773 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:52:45,785 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:52:45,831 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:52:45,875 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:52:45,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:45 WrapperNode [2018-11-10 11:52:45,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:52:45,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:52:45,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:52:45,876 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:52:45,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:45" (1/1) ... [2018-11-10 11:52:45,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:45" (1/1) ... [2018-11-10 11:52:45,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:52:45,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:52:45,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:52:45,963 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:52:45,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:45" (1/1) ... [2018-11-10 11:52:45,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:45" (1/1) ... [2018-11-10 11:52:45,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:45" (1/1) ... [2018-11-10 11:52:45,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:45" (1/1) ... [2018-11-10 11:52:45,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:45" (1/1) ... [2018-11-10 11:52:45,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:45" (1/1) ... [2018-11-10 11:52:45,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:45" (1/1) ... [2018-11-10 11:52:45,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:52:45,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:52:45,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:52:45,988 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:52:45,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:52:46,024 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2018-11-10 11:52:46,024 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2018-11-10 11:52:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 11:52:46,025 INFO L138 BoogieDeclarations]: Found implementation of procedure exit [2018-11-10 11:52:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2018-11-10 11:52:46,025 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2018-11-10 11:52:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 11:52:46,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 11:52:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 11:52:46,026 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 11:52:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_remove_first [2018-11-10 11:52:46,026 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_remove_first [2018-11-10 11:52:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:52:46,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:52:46,378 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:52:46,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:52:46 BoogieIcfgContainer [2018-11-10 11:52:46,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:52:46,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 11:52:46,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 11:52:46,381 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 11:52:46,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:52:45" (1/3) ... [2018-11-10 11:52:46,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5af4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:52:46, skipping insertion in model container [2018-11-10 11:52:46,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:45" (2/3) ... [2018-11-10 11:52:46,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5af4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:52:46, skipping insertion in model container [2018-11-10 11:52:46,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:52:46" (3/3) ... [2018-11-10 11:52:46,383 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2c_remove_all_true-unreach-call_true-valid-memsafety.i [2018-11-10 11:52:46,390 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 11:52:46,395 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 11:52:46,405 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 11:52:46,425 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 11:52:46,425 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 11:52:46,426 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 11:52:46,426 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 11:52:46,426 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 11:52:46,426 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 11:52:46,426 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 11:52:46,426 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 11:52:46,426 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 11:52:46,440 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2018-11-10 11:52:46,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 11:52:46,445 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:46,446 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] [2018-11-10 11:52:46,448 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:46,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:46,451 INFO L82 PathProgramCache]: Analyzing trace with hash -613250840, now seen corresponding path program 1 times [2018-11-10 11:52:46,455 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 11:52:46,455 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 11:52:46,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:46,543 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:52:46,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:52:46,558 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 11:52:46,562 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:52:46,562 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 11:52:46,565 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 11:52:46,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 11:52:46,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 11:52:46,576 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2018-11-10 11:52:46,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:52:46,593 INFO L93 Difference]: Finished difference Result 64 states and 74 transitions. [2018-11-10 11:52:46,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 11:52:46,594 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-11-10 11:52:46,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:52:46,602 INFO L225 Difference]: With dead ends: 64 [2018-11-10 11:52:46,602 INFO L226 Difference]: Without dead ends: 37 [2018-11-10 11:52:46,604 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 [2018-11-10 11:52:46,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-10 11:52:46,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-11-10 11:52:46,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-10 11:52:46,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2018-11-10 11:52:46,636 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 24 [2018-11-10 11:52:46,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:52:46,638 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2018-11-10 11:52:46,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 11:52:46,638 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2018-11-10 11:52:46,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 11:52:46,640 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:46,640 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] [2018-11-10 11:52:46,640 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:46,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:46,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1120841666, now seen corresponding path program 1 times [2018-11-10 11:52:46,641 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 11:52:46,642 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 11:52:46,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:46,729 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:52:46,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:52:46,766 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 11:52:46,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:52:46,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 11:52:46,770 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 11:52:46,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 11:52:46,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 11:52:46,771 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand 5 states. [2018-11-10 11:52:46,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:52:46,825 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions. [2018-11-10 11:52:46,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 11:52:46,826 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-11-10 11:52:46,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:52:46,827 INFO L225 Difference]: With dead ends: 59 [2018-11-10 11:52:46,827 INFO L226 Difference]: Without dead ends: 43 [2018-11-10 11:52:46,828 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-10 11:52:46,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-10 11:52:46,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2018-11-10 11:52:46,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-11-10 11:52:46,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2018-11-10 11:52:46,836 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 26 [2018-11-10 11:52:46,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:52:46,836 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2018-11-10 11:52:46,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 11:52:46,836 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2018-11-10 11:52:46,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 11:52:46,837 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:46,837 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] [2018-11-10 11:52:46,837 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:46,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:46,838 INFO L82 PathProgramCache]: Analyzing trace with hash -10648864, now seen corresponding path program 1 times [2018-11-10 11:52:46,838 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 11:52:46,838 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 11:52:46,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:47,023 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:52:47,056 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 11:52:47,056 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 11:52:47,061 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:52:47,061 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 11:52:47,062 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 11:52:47,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 11:52:47,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 11:52:47,063 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 4 states. [2018-11-10 11:52:47,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:52:47,088 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions. [2018-11-10 11:52:47,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 11:52:47,089 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2018-11-10 11:52:47,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:52:47,090 INFO L225 Difference]: With dead ends: 47 [2018-11-10 11:52:47,090 INFO L226 Difference]: Without dead ends: 43 [2018-11-10 11:52:47,090 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 11:52:47,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-10 11:52:47,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2018-11-10 11:52:47,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-10 11:52:47,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2018-11-10 11:52:47,095 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 37 [2018-11-10 11:52:47,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:52:47,096 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2018-11-10 11:52:47,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 11:52:47,096 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-11-10 11:52:47,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 11:52:47,097 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:47,097 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] [2018-11-10 11:52:47,097 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:47,097 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:47,098 INFO L82 PathProgramCache]: Analyzing trace with hash 334018182, now seen corresponding path program 1 times [2018-11-10 11:52:47,098 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 11:52:47,098 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 11:52:47,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:47,280 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:52:47,317 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 11:52:47,318 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 11:52:47,384 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 11:52:47,389 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:52:47,389 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 11:52:47,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:47,451 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:52:47,504 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 [2018-11-10 11:52:47,507 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 11:52:47,507 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:47,510 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:47,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 11:52:47,534 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 11:52:47,534 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:47,536 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:47,542 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:47,542 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:23, output treesize:15 [2018-11-10 11:52:47,595 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-10 11:52:47,600 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-10 11:52:47,601 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:47,604 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:47,615 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-10 11:52:47,618 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-10 11:52:47,619 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:47,620 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:47,628 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:47,628 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-11-10 11:52:47,649 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 11:52:47,649 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 11:52:47,670 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:52:47,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5, 5] total 12 [2018-11-10 11:52:47,670 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-10 11:52:47,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-10 11:52:47,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-11-10 11:52:47,671 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 12 states. [2018-11-10 11:52:48,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:52:48,560 INFO L93 Difference]: Finished difference Result 66 states and 81 transitions. [2018-11-10 11:52:48,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-10 11:52:48,561 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 45 [2018-11-10 11:52:48,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:52:48,563 INFO L225 Difference]: With dead ends: 66 [2018-11-10 11:52:48,563 INFO L226 Difference]: Without dead ends: 60 [2018-11-10 11:52:48,564 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2018-11-10 11:52:48,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-11-10 11:52:48,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 47. [2018-11-10 11:52:48,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-11-10 11:52:48,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 53 transitions. [2018-11-10 11:52:48,571 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 53 transitions. Word has length 45 [2018-11-10 11:52:48,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:52:48,571 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 53 transitions. [2018-11-10 11:52:48,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-10 11:52:48,572 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2018-11-10 11:52:48,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 11:52:48,573 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:52:48,573 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] [2018-11-10 11:52:48,577 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:52:48,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:52:48,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1551483438, now seen corresponding path program 1 times [2018-11-10 11:52:48,578 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 11:52:48,578 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 11:52:48,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:48,942 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:52:48,946 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-10 11:52:48,946 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:48,951 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:48,951 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-10 11:52:49,075 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 [2018-11-10 11:52:49,078 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 11:52:49,078 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:49,081 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:49,090 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:49,091 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:26, output treesize:22 [2018-11-10 11:52:49,129 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 11:52:49,141 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 [2018-11-10 11:52:49,146 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 11:52:49,146 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:49,158 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:49,173 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:49,173 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:42, output treesize:23 [2018-11-10 11:52:49,250 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 11:52:49,271 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 [2018-11-10 11:52:49,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-10 11:52:49,276 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:49,300 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 11:52:49,314 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 [2018-11-10 11:52:49,318 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 11:52:49,321 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 [2018-11-10 11:52:49,322 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:49,334 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:49,344 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:49,358 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 11:52:49,358 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:61, output treesize:27 [2018-11-10 11:52:49,432 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 11:52:49,434 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 11:52:49,435 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-10 11:52:49,435 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:49,449 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 11:52:49,450 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:30 [2018-11-10 11:52:49,547 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 [2018-11-10 11:52:49,551 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 11:52:49,551 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:49,554 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:49,593 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 11:52:49,625 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 [2018-11-10 11:52:49,633 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 [2018-11-10 11:52:49,633 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:49,688 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 [2018-11-10 11:52:49,688 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:49,706 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:49,723 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 11:52:49,723 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:49, output treesize:46 [2018-11-10 11:52:49,923 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 11:52:49,923 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 11:52:50,955 WARN L179 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-11-10 11:52:51,162 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-11-10 11:52:51,269 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-11-10 11:52:51,285 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 [2018-11-10 11:52:51,376 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-10 11:52:51,376 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:51,423 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:52:51,440 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-11-10 11:52:51,446 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2018-11-10 11:52:51,474 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 [2018-11-10 11:52:51,474 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-11-10 11:52:51,509 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 11:52:51,579 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:52:51,596 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-11-10 11:52:51,691 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-11-10 11:52:51,692 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:51,723 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:52:51,727 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 [2018-11-10 11:52:51,735 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-11-10 11:52:51,735 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:51,755 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-11-10 11:52:51,755 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-11-10 11:52:51,762 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 11:52:51,774 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-10 11:52:51,779 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:52:51,791 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 [2018-11-10 11:52:51,849 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 [2018-11-10 11:52:51,849 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:51,872 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:52:51,875 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 [2018-11-10 11:52:51,890 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 [2018-11-10 11:52:51,891 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:51,901 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-10 11:52:51,901 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:51,904 INFO L267 ElimStorePlain]: Start of recursive call 14: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:51,913 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:51,927 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:51,932 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:51,939 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. [2018-11-10 11:52:51,939 INFO L202 ElimStorePlain]: Needed 16 recursive calls to eliminate 7 variables, input treesize:150, output treesize:14 [2018-11-10 11:52:51,987 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:52:51,987 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b885ca5-19aa-41be-b3ac-e4696050c77e/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 11:52:51,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:52:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:52:52,074 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:52:52,077 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-10 11:52:52,077 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:52,081 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:52,081 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-10 11:52:52,126 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 [2018-11-10 11:52:52,129 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 11:52:52,129 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:52,132 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:52,140 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:52,140 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:26, output treesize:22 [2018-11-10 11:52:52,145 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 11:52:52,151 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 [2018-11-10 11:52:52,154 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 11:52:52,154 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:52,164 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:52,175 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:52,175 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:42, output treesize:23 [2018-11-10 11:52:52,183 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 11:52:52,201 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-11-10 11:52:52,205 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-10 11:52:52,206 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:52,227 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 11:52:52,237 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 39 [2018-11-10 11:52:52,241 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 11:52:52,243 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 [2018-11-10 11:52:52,243 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:52,254 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:52,261 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:52,272 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 11:52:52,273 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:61, output treesize:27 [2018-11-10 11:52:52,290 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 11:52:52,291 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 11:52:52,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2018-11-10 11:52:52,292 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:52,302 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 11:52:52,302 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:34, output treesize:27 [2018-11-10 11:52:52,378 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 [2018-11-10 11:52:52,380 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 11:52:52,380 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:52,384 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:52,456 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 [2018-11-10 11:52:52,461 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 [2018-11-10 11:52:52,461 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:52,500 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:52,514 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 11:52:52,514 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:51 [2018-11-10 11:52:52,609 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 11:52:52,610 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 11:52:53,782 WARN L179 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-11-10 11:52:53,937 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-11-10 11:52:54,142 WARN L179 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-11-10 11:52:54,309 WARN L179 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-11-10 11:52:54,322 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 [2018-11-10 11:52:54,430 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-11-10 11:52:54,435 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 [2018-11-10 11:52:54,435 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:54,487 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:52:54,510 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 [2018-11-10 11:52:54,515 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 [2018-11-10 11:52:54,542 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 [2018-11-10 11:52:54,542 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-11-10 11:52:54,587 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 11:52:54,643 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:52:54,659 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 [2018-11-10 11:52:54,722 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 [2018-11-10 11:52:54,722 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:54,747 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:52:54,751 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 [2018-11-10 11:52:54,757 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 [2018-11-10 11:52:54,757 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:54,777 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-11-10 11:52:54,777 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-11-10 11:52:54,784 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 11:52:54,796 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-10 11:52:54,800 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:52:54,814 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 [2018-11-10 11:52:54,882 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 [2018-11-10 11:52:54,882 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:54,905 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:52:54,908 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 [2018-11-10 11:52:54,912 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-10 11:52:54,912 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:54,933 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 [2018-11-10 11:52:54,933 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:54,937 INFO L267 ElimStorePlain]: Start of recursive call 14: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:54,947 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:54,960 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:54,964 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:54,970 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. [2018-11-10 11:52:54,970 INFO L202 ElimStorePlain]: Needed 16 recursive calls to eliminate 8 variables, input treesize:150, output treesize:9 [2018-11-10 11:52:55,934 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 [2018-11-10 11:52:55,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-11-10 11:52:55,941 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:56,060 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 [2018-11-10 11:52:56,066 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 [2018-11-10 11:52:56,067 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:56,546 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 [2018-11-10 11:52:56,547 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-11-10 11:52:57,347 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 [2018-11-10 11:52:57,354 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 [2018-11-10 11:52:57,355 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:57,748 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 [2018-11-10 11:52:57,749 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-11-10 11:52:58,083 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 [2018-11-10 11:52:58,086 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-10 11:52:58,086 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:58,096 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:58,109 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 [2018-11-10 11:52:58,217 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2018-11-10 11:52:58,228 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:52:58,255 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 [2018-11-10 11:52:58,256 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-11-10 11:52:58,336 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 [2018-11-10 11:52:58,342 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:52:58,347 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-11-10 11:52:58,348 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:58,365 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:58,369 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 [2018-11-10 11:52:58,373 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:52:58,379 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2018-11-10 11:52:58,379 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:58,392 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:52:58,395 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 [2018-11-10 11:52:58,406 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:52:58,422 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 [2018-11-10 11:52:58,423 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-11-10 11:52:58,457 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 11:52:58,460 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 [2018-11-10 11:52:58,471 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:52:58,494 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 [2018-11-10 11:52:58,495 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 4 xjuncts. [2018-11-10 11:52:58,547 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 11:52:58,639 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-10 11:52:58,918 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-11-10 11:52:59,343 WARN L179 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2018-11-10 11:52:59,347 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:52:59,352 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 [2018-11-10 11:52:59,352 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:59,356 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:52:59,359 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 [2018-11-10 11:52:59,360 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-11-10 11:52:59,828 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:52:59,831 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 11:52:59,855 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 [2018-11-10 11:52:59,856 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 2 xjuncts. [2018-11-10 11:52:59,868 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:52:59,906 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 [2018-11-10 11:52:59,906 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2018-11-10 11:53:00,322 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 [2018-11-10 11:53:00,326 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:53:00,332 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 [2018-11-10 11:53:00,332 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-11-10 11:53:00,351 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:53:00,354 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 [2018-11-10 11:53:00,366 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:53:00,383 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 [2018-11-10 11:53:00,384 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 2 xjuncts. [2018-11-10 11:53:00,426 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 11:53:00,429 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 [2018-11-10 11:53:00,436 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:53:00,460 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2018-11-10 11:53:00,460 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 4 xjuncts. [2018-11-10 11:53:00,525 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 11:53:00,528 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 [2018-11-10 11:53:00,533 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:53:00,537 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-11-10 11:53:00,538 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-11-10 11:53:00,561 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:53:00,908 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 [2018-11-10 11:53:00,922 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 [2018-11-10 11:53:00,923 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 2 xjuncts. [2018-11-10 11:53:01,006 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:53:01,035 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 [2018-11-10 11:53:01,036 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 4 xjuncts. [2018-11-10 11:53:01,180 INFO L267 ElimStorePlain]: Start of recursive call 35: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-10 11:53:01,204 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 [2018-11-10 11:53:01,268 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 [2018-11-10 11:53:01,268 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-11-10 11:53:01,318 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:53:01,338 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 [2018-11-10 11:53:01,338 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 2 xjuncts. [2018-11-10 11:53:01,389 INFO L267 ElimStorePlain]: Start of recursive call 38: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 11:53:01,506 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-11-10 11:53:01,511 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:53:01,515 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 [2018-11-10 11:53:01,515 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-11-10 11:53:01,611 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:53:01,641 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 [2018-11-10 11:53:01,642 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 4 xjuncts. [2018-11-10 11:53:01,766 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 [2018-11-10 11:53:01,767 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-11-10 11:53:01,871 INFO L267 ElimStorePlain]: Start of recursive call 41: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-10 11:53:01,934 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-10 11:53:02,060 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-10 11:53:02,063 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 [2018-11-10 11:53:02,076 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 [2018-11-10 11:53:02,077 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 2 xjuncts. [2018-11-10 11:53:02,087 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 11:53:02,508 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 [2018-11-10 11:53:02,555 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 [2018-11-10 11:53:02,555 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 2 xjuncts. [2018-11-10 11:53:10,121 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 [2018-11-10 11:53:10,122 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-11-10 11:53:20,068 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:53:20,099 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 [2018-11-10 11:53:20,100 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 2 xjuncts. [2018-11-10 11:53:29,615 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 11:53:29,639 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 [2018-11-10 11:53:29,639 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 4 xjuncts. [2018-11-10 11:53:44,900 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 [2018-11-10 11:53:45,379 WARN L179 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2018-11-10 11:53:45,413 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 11:53:45,462 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 [2018-11-10 11:53:45,481 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:53:45,483 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 11:53:45,527 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 [2018-11-10 11:53:45,528 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 4 xjuncts. [2018-11-10 11:53:45,841 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:53:45,926 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 [2018-11-10 11:53:45,927 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 8 xjuncts. [2018-11-10 11:53:46,118 INFO L267 ElimStorePlain]: Start of recursive call 53: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-10 11:53:46,630 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:53:46,630 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 [2018-11-10 11:53:46,658 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 11:53:46,675 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:53:46,722 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 [2018-11-10 11:53:47,741 WARN L179 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 168 DAG size of output: 124 [2018-11-10 11:53:47,744 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:53:47,745 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:53:47,745 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 [2018-11-10 11:53:47,746 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-11-10 11:53:47,978 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 [2018-11-10 11:53:47,978 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-11-10 11:53:48,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-11-10 11:53:48,084 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-11-10 11:53:48,203 INFO L267 ElimStorePlain]: Start of recursive call 57: 6 dim-0 vars, 9 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 11:53:48,224 INFO L267 ElimStorePlain]: Start of recursive call 56: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 11:53:48,239 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 [2018-11-10 11:53:48,256 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 [2018-11-10 11:53:48,256 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 2 xjuncts. [2018-11-10 11:53:48,281 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 11:53:48,661 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 [2018-11-10 11:53:48,671 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:53:48,727 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 [2018-11-10 11:53:48,727 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 8 xjuncts. [2018-11-10 11:53:48,820 INFO L267 ElimStorePlain]: Start of recursive call 63: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-10 11:53:48,823 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 [2018-11-10 11:53:48,827 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:53:48,830 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-11-10 11:53:48,830 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-11-10 11:53:48,847 INFO L267 ElimStorePlain]: Start of recursive call 65: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:53:48,850 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 [2018-11-10 11:53:48,854 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:53:48,859 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:53:48,877 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 0 case distinctions, treesize of input 21 treesize of output 11 [2018-11-10 11:53:48,877 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-11-10 11:53:48,895 INFO L267 ElimStorePlain]: Start of recursive call 67: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:53:48,898 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 [2018-11-10 11:53:48,902 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:53:48,903 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:53:48,924 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 [2018-11-10 11:53:48,925 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 2 xjuncts. [2018-11-10 11:53:48,965 INFO L267 ElimStorePlain]: Start of recursive call 69: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 11:53:49,253 INFO L267 ElimStorePlain]: Start of recursive call 52: 1 dim-1 vars, 3 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-11-10 11:53:57,706 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 [2018-11-10 11:53:57,711 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 [2018-11-10 11:53:57,711 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-11-10 11:53:57,719 INFO L267 ElimStorePlain]: Start of recursive call 71: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:54:04,445 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2018-11-10 11:54:04,695 WARN L179 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2018-11-10 11:54:04,709 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:04,713 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 11:54:04,750 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 [2018-11-10 11:54:04,751 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 8 xjuncts. [2018-11-10 11:54:05,064 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:05,067 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:05,068 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:05,089 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 [2018-11-10 11:54:05,090 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:05,413 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 [2018-11-10 11:54:05,418 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:05,419 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:05,436 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 [2018-11-10 11:54:05,437 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:05,470 INFO L267 ElimStorePlain]: Start of recursive call 76: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 11:54:05,472 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 [2018-11-10 11:54:05,485 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:05,526 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 [2018-11-10 11:54:05,527 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 8 xjuncts. [2018-11-10 11:54:05,599 INFO L267 ElimStorePlain]: Start of recursive call 78: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-10 11:54:05,602 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 [2018-11-10 11:54:05,605 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:05,607 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-11-10 11:54:05,607 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:05,621 INFO L267 ElimStorePlain]: Start of recursive call 80: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:54:05,623 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 [2018-11-10 11:54:05,626 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:05,627 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:05,636 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 [2018-11-10 11:54:05,636 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:05,649 INFO L267 ElimStorePlain]: Start of recursive call 82: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:54:05,905 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 [2018-11-10 11:54:05,922 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:05,994 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 [2018-11-10 11:54:05,996 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 32 xjuncts. [2018-11-10 11:54:11,615 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:11,620 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:11,634 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 [2018-11-10 11:54:11,635 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 4 xjuncts. [2018-11-10 11:54:12,042 INFO L267 ElimStorePlain]: Start of recursive call 84: 2 dim-1 vars, End of recursive call: and 9 xjuncts. [2018-11-10 11:54:12,231 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 [2018-11-10 11:54:12,235 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:12,238 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-11-10 11:54:12,238 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:12,260 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-10 11:54:12,260 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:12,274 INFO L267 ElimStorePlain]: Start of recursive call 87: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:54:12,292 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 [2018-11-10 11:54:12,296 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 [2018-11-10 11:54:12,296 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:12,398 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:12,398 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:12,400 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:12,414 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 [2018-11-10 11:54:12,415 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:12,526 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:12,588 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 [2018-11-10 11:54:12,590 INFO L267 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 32 xjuncts. [2018-11-10 11:54:13,059 INFO L267 ElimStorePlain]: Start of recursive call 90: 3 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-11-10 11:54:13,164 INFO L267 ElimStorePlain]: Start of recursive call 73: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-10 11:54:13,177 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 [2018-11-10 11:54:13,187 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 [2018-11-10 11:54:13,188 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:13,221 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 [2018-11-10 11:54:13,222 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:13,251 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 [2018-11-10 11:54:13,251 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:13,275 INFO L267 ElimStorePlain]: Start of recursive call 94: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 11:54:17,624 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 [2018-11-10 11:54:18,947 WARN L179 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 220 DAG size of output: 167 [2018-11-10 11:54:18,954 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:18,984 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 [2018-11-10 11:54:18,984 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:19,973 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:20,032 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 [2018-11-10 11:54:20,033 INFO L267 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 4 xjuncts. [2018-11-10 11:54:21,121 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:21,127 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:21,127 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:21,151 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 [2018-11-10 11:54:21,151 INFO L267 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:22,325 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:22,326 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:22,334 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 [2018-11-10 11:54:22,341 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 6 treesize of output 1 [2018-11-10 11:54:22,342 INFO L267 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:22,392 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-10 11:54:22,393 INFO L267 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:22,421 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:22,424 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-11-10 11:54:22,424 INFO L267 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:22,439 INFO L267 ElimStorePlain]: Start of recursive call 102: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:54:22,452 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 [2018-11-10 11:54:22,457 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:22,458 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:22,458 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2018-11-10 11:54:22,458 INFO L267 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:22,499 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:22,502 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 [2018-11-10 11:54:22,502 INFO L267 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:22,529 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-10 11:54:22,529 INFO L267 ElimStorePlain]: Start of recursive call 109: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:22,542 INFO L267 ElimStorePlain]: Start of recursive call 106: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:54:23,450 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 [2018-11-10 11:54:23,455 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:23,459 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:23,472 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 [2018-11-10 11:54:23,472 INFO L267 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 4 xjuncts. [2018-11-10 11:54:23,517 INFO L267 ElimStorePlain]: Start of recursive call 110: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 11:54:24,328 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 [2018-11-10 11:54:24,334 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:24,334 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:24,339 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:24,355 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 [2018-11-10 11:54:24,356 INFO L267 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:24,406 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-10 11:54:24,407 INFO L267 ElimStorePlain]: Start of recursive call 114: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:24,437 INFO L267 ElimStorePlain]: Start of recursive call 112: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 11:54:24,443 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 [2018-11-10 11:54:24,447 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:24,450 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-11-10 11:54:24,451 INFO L267 ElimStorePlain]: Start of recursive call 116: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:24,474 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-11-10 11:54:24,474 INFO L267 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:24,488 INFO L267 ElimStorePlain]: Start of recursive call 115: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:54:25,439 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 [2018-11-10 11:54:25,451 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 11:54:25,466 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2018-11-10 11:54:25,466 INFO L267 ElimStorePlain]: Start of recursive call 119: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:25,485 INFO L267 ElimStorePlain]: Start of recursive call 118: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 11:54:25,738 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:25,740 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 11:54:25,749 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 [2018-11-10 11:54:25,755 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:25,789 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 [2018-11-10 11:54:25,790 INFO L267 ElimStorePlain]: Start of recursive call 121: End of recursive call: and 4 xjuncts. [2018-11-10 11:54:25,842 INFO L267 ElimStorePlain]: Start of recursive call 120: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 11:54:25,975 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 48 treesize of output 43 [2018-11-10 11:54:25,981 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-11-10 11:54:25,981 INFO L267 ElimStorePlain]: Start of recursive call 123: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:26,000 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:26,002 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-11-10 11:54:26,003 INFO L267 ElimStorePlain]: Start of recursive call 124: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:26,013 INFO L267 ElimStorePlain]: Start of recursive call 122: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:54:26,109 INFO L267 ElimStorePlain]: Start of recursive call 98: 3 dim-1 vars, 8 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-10 11:54:27,274 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 [2018-11-10 11:54:27,697 WARN L179 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2018-11-10 11:54:27,709 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:27,791 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 [2018-11-10 11:54:27,792 INFO L267 ElimStorePlain]: Start of recursive call 126: End of recursive call: and 8 xjuncts. [2018-11-10 11:54:27,814 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:27,847 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 11:54:27,905 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 [2018-11-10 11:54:27,905 INFO L267 ElimStorePlain]: Start of recursive call 127: End of recursive call: and 4 xjuncts. [2018-11-10 11:54:28,833 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:28,844 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 11:54:28,919 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 [2018-11-10 11:54:28,919 INFO L267 ElimStorePlain]: Start of recursive call 128: End of recursive call: and 4 xjuncts. [2018-11-10 11:54:28,949 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:29,068 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 [2018-11-10 11:54:29,068 INFO L267 ElimStorePlain]: Start of recursive call 129: End of recursive call: and 4 xjuncts. [2018-11-10 11:54:30,334 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:30,339 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 11:54:30,388 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 [2018-11-10 11:54:30,389 INFO L267 ElimStorePlain]: Start of recursive call 130: End of recursive call: and 8 xjuncts. [2018-11-10 11:54:30,406 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:30,463 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 [2018-11-10 11:54:30,463 INFO L267 ElimStorePlain]: Start of recursive call 131: End of recursive call: and 8 xjuncts. [2018-11-10 11:54:32,399 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 [2018-11-10 11:54:32,404 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:32,441 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2018-11-10 11:54:32,442 INFO L267 ElimStorePlain]: Start of recursive call 133: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:32,620 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:32,638 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 [2018-11-10 11:54:32,638 INFO L267 ElimStorePlain]: Start of recursive call 134: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:32,646 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:32,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2018-11-10 11:54:32,680 INFO L267 ElimStorePlain]: Start of recursive call 135: End of recursive call: and 4 xjuncts. [2018-11-10 11:54:32,872 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:32,907 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 [2018-11-10 11:54:32,908 INFO L267 ElimStorePlain]: Start of recursive call 136: End of recursive call: and 4 xjuncts. [2018-11-10 11:54:33,060 INFO L267 ElimStorePlain]: Start of recursive call 132: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-10 11:54:33,081 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 [2018-11-10 11:54:33,091 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:33,107 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 [2018-11-10 11:54:33,107 INFO L267 ElimStorePlain]: Start of recursive call 138: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:33,229 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:33,234 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 [2018-11-10 11:54:33,234 INFO L267 ElimStorePlain]: Start of recursive call 139: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:33,242 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:33,254 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 [2018-11-10 11:54:33,255 INFO L267 ElimStorePlain]: Start of recursive call 140: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:33,327 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:33,347 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 [2018-11-10 11:54:33,347 INFO L267 ElimStorePlain]: Start of recursive call 141: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:33,396 INFO L267 ElimStorePlain]: Start of recursive call 137: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 11:54:33,413 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 [2018-11-10 11:54:33,417 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:33,425 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 [2018-11-10 11:54:33,425 INFO L267 ElimStorePlain]: Start of recursive call 143: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:33,493 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:33,496 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 [2018-11-10 11:54:33,496 INFO L267 ElimStorePlain]: Start of recursive call 144: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:33,544 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:33,545 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 [2018-11-10 11:54:33,545 INFO L267 ElimStorePlain]: Start of recursive call 145: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:33,581 INFO L267 ElimStorePlain]: Start of recursive call 142: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 11:54:33,603 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 [2018-11-10 11:54:33,632 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 [2018-11-10 11:54:33,632 INFO L267 ElimStorePlain]: Start of recursive call 147: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:33,700 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:33,763 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 [2018-11-10 11:54:33,765 INFO L267 ElimStorePlain]: Start of recursive call 148: End of recursive call: and 32 xjuncts. [2018-11-10 11:54:34,947 INFO L267 ElimStorePlain]: Start of recursive call 146: 3 dim-1 vars, End of recursive call: and 10 xjuncts. [2018-11-10 11:54:34,969 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 [2018-11-10 11:54:34,986 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:35,028 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 [2018-11-10 11:54:35,029 INFO L267 ElimStorePlain]: Start of recursive call 150: End of recursive call: and 4 xjuncts. [2018-11-10 11:54:35,206 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 11:54:35,206 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2018-11-10 11:54:35,207 INFO L267 ElimStorePlain]: Start of recursive call 151: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:35,236 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 [2018-11-10 11:54:35,236 INFO L267 ElimStorePlain]: Start of recursive call 152: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:35,267 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 [2018-11-10 11:54:35,267 INFO L267 ElimStorePlain]: Start of recursive call 153: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:35,296 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 [2018-11-10 11:54:35,296 INFO L267 ElimStorePlain]: Start of recursive call 154: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:35,427 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:35,473 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 [2018-11-10 11:54:35,473 INFO L267 ElimStorePlain]: Start of recursive call 155: End of recursive call: and 8 xjuncts. [2018-11-10 11:54:35,569 INFO L267 ElimStorePlain]: Start of recursive call 149: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-10 11:54:35,590 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 [2018-11-10 11:54:35,594 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:35,628 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2018-11-10 11:54:35,629 INFO L267 ElimStorePlain]: Start of recursive call 157: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:35,752 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:35,777 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 [2018-11-10 11:54:35,778 INFO L267 ElimStorePlain]: Start of recursive call 158: End of recursive call: and 4 xjuncts. [2018-11-10 11:54:35,781 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:35,801 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 [2018-11-10 11:54:35,801 INFO L267 ElimStorePlain]: Start of recursive call 159: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:36,121 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:36,160 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 [2018-11-10 11:54:36,160 INFO L267 ElimStorePlain]: Start of recursive call 160: End of recursive call: and 4 xjuncts. [2018-11-10 11:54:36,332 INFO L267 ElimStorePlain]: Start of recursive call 156: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-10 11:54:36,356 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 [2018-11-10 11:54:36,364 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:36,406 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 [2018-11-10 11:54:36,407 INFO L267 ElimStorePlain]: Start of recursive call 162: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:36,522 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:36,559 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 3 case distinctions, treesize of input 39 treesize of output 43 [2018-11-10 11:54:36,559 INFO L267 ElimStorePlain]: Start of recursive call 163: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:36,658 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:36,678 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 [2018-11-10 11:54:36,679 INFO L267 ElimStorePlain]: Start of recursive call 164: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:36,762 INFO L267 ElimStorePlain]: Start of recursive call 161: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-10 11:54:36,780 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 [2018-11-10 11:54:36,784 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:36,789 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 [2018-11-10 11:54:36,789 INFO L267 ElimStorePlain]: Start of recursive call 166: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:36,884 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:36,887 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 [2018-11-10 11:54:36,887 INFO L267 ElimStorePlain]: Start of recursive call 167: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:36,965 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:36,970 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 [2018-11-10 11:54:36,970 INFO L267 ElimStorePlain]: Start of recursive call 168: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:37,030 INFO L267 ElimStorePlain]: Start of recursive call 165: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 11:54:39,404 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 [2018-11-10 11:54:39,407 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:39,411 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:39,416 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 [2018-11-10 11:54:39,416 INFO L267 ElimStorePlain]: Start of recursive call 170: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:39,428 INFO L267 ElimStorePlain]: Start of recursive call 169: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:54:39,430 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 30 [2018-11-10 11:54:39,436 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:39,460 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2018-11-10 11:54:39,460 INFO L267 ElimStorePlain]: Start of recursive call 172: End of recursive call: and 4 xjuncts. [2018-11-10 11:54:39,509 INFO L267 ElimStorePlain]: Start of recursive call 171: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 11:54:39,512 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 [2018-11-10 11:54:39,516 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:39,532 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:39,546 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 [2018-11-10 11:54:39,547 INFO L267 ElimStorePlain]: Start of recursive call 174: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:39,592 INFO L267 ElimStorePlain]: Start of recursive call 173: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 11:54:39,595 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 [2018-11-10 11:54:39,598 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:39,600 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 [2018-11-10 11:54:39,600 INFO L267 ElimStorePlain]: Start of recursive call 176: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:39,612 INFO L267 ElimStorePlain]: Start of recursive call 175: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:54:39,615 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 [2018-11-10 11:54:39,618 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:39,620 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-11-10 11:54:39,620 INFO L267 ElimStorePlain]: Start of recursive call 178: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:39,637 INFO L267 ElimStorePlain]: Start of recursive call 177: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:54:39,640 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 [2018-11-10 11:54:39,647 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:39,647 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:39,672 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 [2018-11-10 11:54:39,672 INFO L267 ElimStorePlain]: Start of recursive call 180: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:39,728 INFO L267 ElimStorePlain]: Start of recursive call 179: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 11:54:40,623 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 [2018-11-10 11:54:40,627 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:40,631 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 [2018-11-10 11:54:40,631 INFO L267 ElimStorePlain]: Start of recursive call 182: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:40,666 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 [2018-11-10 11:54:40,666 INFO L267 ElimStorePlain]: Start of recursive call 183: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:40,688 INFO L267 ElimStorePlain]: Start of recursive call 181: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 11:54:40,709 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 [2018-11-10 11:54:40,729 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 44 treesize of output 42 [2018-11-10 11:54:40,729 INFO L267 ElimStorePlain]: Start of recursive call 185: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:40,839 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:40,871 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 [2018-11-10 11:54:40,872 INFO L267 ElimStorePlain]: Start of recursive call 186: End of recursive call: and 4 xjuncts. [2018-11-10 11:54:41,071 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:41,074 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 28 [2018-11-10 11:54:41,074 INFO L267 ElimStorePlain]: Start of recursive call 187: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:41,078 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:41,081 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 [2018-11-10 11:54:41,081 INFO L267 ElimStorePlain]: Start of recursive call 188: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:41,208 INFO L267 ElimStorePlain]: Start of recursive call 184: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-10 11:54:41,228 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 [2018-11-10 11:54:41,239 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 [2018-11-10 11:54:41,239 INFO L267 ElimStorePlain]: Start of recursive call 190: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:41,300 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:41,347 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 [2018-11-10 11:54:41,348 INFO L267 ElimStorePlain]: Start of recursive call 191: End of recursive call: and 8 xjuncts. [2018-11-10 11:54:41,464 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:41,491 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2018-11-10 11:54:41,492 INFO L267 ElimStorePlain]: Start of recursive call 192: End of recursive call: and 4 xjuncts. [2018-11-10 11:54:41,630 INFO L267 ElimStorePlain]: Start of recursive call 189: 3 dim-1 vars, End of recursive call: and 8 xjuncts. [2018-11-10 11:54:41,650 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 [2018-11-10 11:54:41,654 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 [2018-11-10 11:54:41,654 INFO L267 ElimStorePlain]: Start of recursive call 194: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:41,733 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:41,738 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 33 [2018-11-10 11:54:41,739 INFO L267 ElimStorePlain]: Start of recursive call 195: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:41,801 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:41,809 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 [2018-11-10 11:54:41,809 INFO L267 ElimStorePlain]: Start of recursive call 196: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:41,846 INFO L267 ElimStorePlain]: Start of recursive call 193: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 11:54:41,867 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 [2018-11-10 11:54:41,887 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 [2018-11-10 11:54:41,887 INFO L267 ElimStorePlain]: Start of recursive call 198: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:41,989 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:42,047 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 [2018-11-10 11:54:42,049 INFO L267 ElimStorePlain]: Start of recursive call 199: End of recursive call: and 32 xjuncts. [2018-11-10 11:54:43,583 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:43,613 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 [2018-11-10 11:54:43,613 INFO L267 ElimStorePlain]: Start of recursive call 200: End of recursive call: and 4 xjuncts. [2018-11-10 11:54:44,046 INFO L267 ElimStorePlain]: Start of recursive call 197: 3 dim-1 vars, End of recursive call: and 13 xjuncts. [2018-11-10 11:54:44,067 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 [2018-11-10 11:54:44,071 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:44,107 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 [2018-11-10 11:54:44,108 INFO L267 ElimStorePlain]: Start of recursive call 202: End of recursive call: and 4 xjuncts. [2018-11-10 11:54:44,271 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 [2018-11-10 11:54:44,271 INFO L267 ElimStorePlain]: Start of recursive call 203: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:44,287 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-11-10 11:54:44,287 INFO L267 ElimStorePlain]: Start of recursive call 204: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:44,301 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 [2018-11-10 11:54:44,302 INFO L267 ElimStorePlain]: Start of recursive call 205: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:44,462 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:44,522 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 [2018-11-10 11:54:44,524 INFO L267 ElimStorePlain]: Start of recursive call 206: End of recursive call: and 32 xjuncts. [2018-11-10 11:54:48,100 INFO L267 ElimStorePlain]: Start of recursive call 201: 3 dim-1 vars, End of recursive call: and 13 xjuncts. [2018-11-10 11:54:48,106 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 [2018-11-10 11:54:48,114 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-11-10 11:54:48,115 INFO L267 ElimStorePlain]: Start of recursive call 208: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:48,135 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:48,138 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 [2018-11-10 11:54:48,138 INFO L267 ElimStorePlain]: Start of recursive call 209: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:48,150 INFO L267 ElimStorePlain]: Start of recursive call 207: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:54:48,391 INFO L267 ElimStorePlain]: Start of recursive call 125: 3 dim-1 vars, 3 dim-2 vars, End of recursive call: and 9 xjuncts. [2018-11-10 11:54:49,691 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 [2018-11-10 11:54:51,754 WARN L179 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 221 DAG size of output: 188 [2018-11-10 11:54:51,786 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:51,921 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 [2018-11-10 11:54:51,921 INFO L267 ElimStorePlain]: Start of recursive call 211: End of recursive call: and 8 xjuncts. [2018-11-10 11:54:53,447 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:53,451 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-11-10 11:54:53,452 INFO L267 ElimStorePlain]: Start of recursive call 212: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:54,834 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:54,840 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 11:54:54,890 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 [2018-11-10 11:54:54,890 INFO L267 ElimStorePlain]: Start of recursive call 213: End of recursive call: and 8 xjuncts. [2018-11-10 11:54:56,582 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:56,650 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 [2018-11-10 11:54:56,651 INFO L267 ElimStorePlain]: Start of recursive call 214: End of recursive call: and 4 xjuncts. [2018-11-10 11:54:58,521 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 [2018-11-10 11:54:58,529 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-11-10 11:54:58,529 INFO L267 ElimStorePlain]: Start of recursive call 216: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:58,559 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:58,583 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 [2018-11-10 11:54:58,583 INFO L267 ElimStorePlain]: Start of recursive call 217: End of recursive call: and 4 xjuncts. [2018-11-10 11:54:58,634 INFO L267 ElimStorePlain]: Start of recursive call 215: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 11:54:58,642 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 [2018-11-10 11:54:58,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2018-11-10 11:54:58,679 INFO L267 ElimStorePlain]: Start of recursive call 219: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:58,720 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:58,748 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 [2018-11-10 11:54:58,748 INFO L267 ElimStorePlain]: Start of recursive call 220: End of recursive call: and 4 xjuncts. [2018-11-10 11:54:58,806 INFO L267 ElimStorePlain]: Start of recursive call 218: 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-11-10 11:54:58,813 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 [2018-11-10 11:54:58,823 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:58,836 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 [2018-11-10 11:54:58,836 INFO L267 ElimStorePlain]: Start of recursive call 222: End of recursive call: and 2 xjuncts. [2018-11-10 11:54:58,875 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:58,879 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-11-10 11:54:58,879 INFO L267 ElimStorePlain]: Start of recursive call 223: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:58,898 INFO L267 ElimStorePlain]: Start of recursive call 221: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 11:54:58,905 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 [2018-11-10 11:54:58,909 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:58,910 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 [2018-11-10 11:54:58,910 INFO L267 ElimStorePlain]: Start of recursive call 225: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:58,934 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:54:58,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-11-10 11:54:58,938 INFO L267 ElimStorePlain]: Start of recursive call 226: End of recursive call: and 1 xjuncts. [2018-11-10 11:54:58,953 INFO L267 ElimStorePlain]: Start of recursive call 224: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 11:55:00,259 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 [2018-11-10 11:55:00,826 WARN L179 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2018-11-10 11:55:00,843 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 [2018-11-10 11:55:00,844 INFO L267 ElimStorePlain]: Start of recursive call 228: End of recursive call: and 2 xjuncts. [2018-11-10 11:55:01,807 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 [2018-11-10 11:55:01,807 INFO L267 ElimStorePlain]: Start of recursive call 229: End of recursive call: and 2 xjuncts. [2018-11-10 11:55:01,819 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:55:01,845 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 [2018-11-10 11:55:01,846 INFO L267 ElimStorePlain]: Start of recursive call 230: End of recursive call: and 4 xjuncts. [2018-11-10 11:55:02,358 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 11:55:02,585 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 11:55:02,585 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) [2018-11-10 11:55:02,587 INFO L168 Benchmark]: Toolchain (without parser) took 137088.21 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.8 MB). Free memory was 944.4 MB in the beginning and 1.0 GB in the end (delta: -62.5 MB). Peak memory consumption was 414.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:55:02,588 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:55:02,588 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.28 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 917.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-10 11:55:02,588 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 917.5 MB in the beginning and 1.1 GB in the end (delta: -224.9 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-11-10 11:55:02,588 INFO L168 Benchmark]: Boogie Preprocessor took 24.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:55:02,588 INFO L168 Benchmark]: RCFGBuilder took 390.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 11.5 GB. [2018-11-10 11:55:02,589 INFO L168 Benchmark]: TraceAbstraction took 136208.15 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 73.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 90.8 MB). Peak memory consumption was 419.3 MB. Max. memory is 11.5 GB. [2018-11-10 11:55:02,590 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 375.28 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 917.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 917.5 MB in the beginning and 1.1 GB in the end (delta: -224.9 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 390.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 136208.15 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 73.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 90.8 MB). Peak memory consumption was 419.3 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...