./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-buckets_false-unreach-call_false-valid-memcleanup.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-buckets_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/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 ec7b34841527490886cd362d78588ff0f0e72200 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_d677435f-48be-4130-91f4-5a8d79cee13a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-buckets_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/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 ec7b34841527490886cd362d78588ff0f0e72200 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimArr_86 input size 18 context size 18 output size 18 --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 06:06:35,107 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 06:06:35,108 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 06:06:35,114 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 06:06:35,114 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 06:06:35,114 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 06:06:35,115 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 06:06:35,116 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 06:06:35,117 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 06:06:35,117 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 06:06:35,118 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 06:06:35,118 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 06:06:35,118 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 06:06:35,119 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 06:06:35,120 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 06:06:35,120 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 06:06:35,121 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 06:06:35,121 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 06:06:35,122 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 06:06:35,123 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 06:06:35,124 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 06:06:35,124 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 06:06:35,125 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 06:06:35,126 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 06:06:35,126 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 06:06:35,126 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 06:06:35,127 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 06:06:35,127 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 06:06:35,128 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 06:06:35,128 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 06:06:35,128 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 06:06:35,129 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 06:06:35,129 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 06:06:35,129 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 06:06:35,129 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 06:06:35,130 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 06:06:35,130 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 06:06:35,137 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 06:06:35,137 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 06:06:35,138 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 06:06:35,138 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 06:06:35,138 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 06:06:35,138 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 06:06:35,138 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 06:06:35,138 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 06:06:35,138 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 06:06:35,138 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 06:06:35,139 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 06:06:35,139 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 06:06:35,139 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 06:06:35,139 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 06:06:35,139 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 06:06:35,139 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 06:06:35,140 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 06:06:35,140 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 06:06:35,140 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 06:06:35,140 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 06:06:35,140 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 06:06:35,140 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 06:06:35,140 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 06:06:35,140 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 06:06:35,141 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 06:06:35,141 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 06:06:35,141 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 06:06:35,141 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 06:06:35,141 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 06:06:35,141 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 06:06:35,141 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 06:06:35,141 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 06:06:35,141 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 06:06:35,142 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 06:06:35,142 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 06:06:35,142 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 06:06:35,142 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_d677435f-48be-4130-91f4-5a8d79cee13a/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 -> ec7b34841527490886cd362d78588ff0f0e72200 [2018-12-02 06:06:35,159 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 06:06:35,166 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 06:06:35,168 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 06:06:35,168 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 06:06:35,169 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 06:06:35,169 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/bin-2019/utaipan/../../sv-benchmarks/c/forester-heap/sll-buckets_false-unreach-call_false-valid-memcleanup.i [2018-12-02 06:06:35,204 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/bin-2019/utaipan/data/572578147/c82adb4fb0b24125a567ef97b04004fd/FLAGd9b1e60a0 [2018-12-02 06:06:35,655 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 06:06:35,656 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/sv-benchmarks/c/forester-heap/sll-buckets_false-unreach-call_false-valid-memcleanup.i [2018-12-02 06:06:35,661 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/bin-2019/utaipan/data/572578147/c82adb4fb0b24125a567ef97b04004fd/FLAGd9b1e60a0 [2018-12-02 06:06:35,669 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/bin-2019/utaipan/data/572578147/c82adb4fb0b24125a567ef97b04004fd [2018-12-02 06:06:35,671 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 06:06:35,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 06:06:35,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 06:06:35,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 06:06:35,674 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 06:06:35,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:06:35" (1/1) ... [2018-12-02 06:06:35,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a15db0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:35, skipping insertion in model container [2018-12-02 06:06:35,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:06:35" (1/1) ... [2018-12-02 06:06:35,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 06:06:35,699 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 06:06:35,845 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:06:35,893 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 06:06:35,923 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:06:35,947 INFO L195 MainTranslator]: Completed translation [2018-12-02 06:06:35,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:35 WrapperNode [2018-12-02 06:06:35,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 06:06:35,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 06:06:35,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 06:06:35,948 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 06:06:35,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:35" (1/1) ... [2018-12-02 06:06:35,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:35" (1/1) ... [2018-12-02 06:06:35,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 06:06:35,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 06:06:35,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 06:06:35,968 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 06:06:35,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:35" (1/1) ... [2018-12-02 06:06:35,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:35" (1/1) ... [2018-12-02 06:06:35,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:35" (1/1) ... [2018-12-02 06:06:35,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:35" (1/1) ... [2018-12-02 06:06:35,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:35" (1/1) ... [2018-12-02 06:06:35,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:35" (1/1) ... [2018-12-02 06:06:35,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:35" (1/1) ... [2018-12-02 06:06:35,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 06:06:35,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 06:06:35,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 06:06:35,993 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 06:06:35,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/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 [2018-12-02 06:06:36,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 06:06:36,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 06:06:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 06:06:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 06:06:36,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 06:06:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 06:06:36,027 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 06:06:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 06:06:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 06:06:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 06:06:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 06:06:36,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 06:06:36,277 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 06:06:36,277 INFO L280 CfgBuilder]: Removed 15 assue(true) statements. [2018-12-02 06:06:36,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:06:36 BoogieIcfgContainer [2018-12-02 06:06:36,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 06:06:36,278 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 06:06:36,278 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 06:06:36,280 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 06:06:36,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:06:35" (1/3) ... [2018-12-02 06:06:36,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e886785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:06:36, skipping insertion in model container [2018-12-02 06:06:36,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:35" (2/3) ... [2018-12-02 06:06:36,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e886785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:06:36, skipping insertion in model container [2018-12-02 06:06:36,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:06:36" (3/3) ... [2018-12-02 06:06:36,282 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-buckets_false-unreach-call_false-valid-memcleanup.i [2018-12-02 06:06:36,288 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 06:06:36,293 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-12-02 06:06:36,302 INFO L257 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2018-12-02 06:06:36,319 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 06:06:36,319 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 06:06:36,319 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 06:06:36,319 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 06:06:36,319 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 06:06:36,319 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 06:06:36,319 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 06:06:36,319 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 06:06:36,329 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2018-12-02 06:06:36,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 06:06:36,332 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:06:36,333 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:06:36,334 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:06:36,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:06:36,337 INFO L82 PathProgramCache]: Analyzing trace with hash -810975847, now seen corresponding path program 1 times [2018-12-02 06:06:36,339 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:06:36,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:06:36,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:06:36,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:06:36,371 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:06:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:06:36,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:06:36,433 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:06:36,433 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 06:06:36,433 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:06:36,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 06:06:36,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 06:06:36,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 06:06:36,445 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2018-12-02 06:06:36,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:06:36,457 INFO L93 Difference]: Finished difference Result 92 states and 146 transitions. [2018-12-02 06:06:36,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 06:06:36,458 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2018-12-02 06:06:36,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:06:36,464 INFO L225 Difference]: With dead ends: 92 [2018-12-02 06:06:36,464 INFO L226 Difference]: Without dead ends: 44 [2018-12-02 06:06:36,466 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 06:06:36,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-12-02 06:06:36,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-12-02 06:06:36,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-12-02 06:06:36,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2018-12-02 06:06:36,488 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 12 [2018-12-02 06:06:36,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:06:36,488 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2018-12-02 06:06:36,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 06:06:36,488 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2018-12-02 06:06:36,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 06:06:36,489 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:06:36,489 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:06:36,489 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:06:36,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:06:36,489 INFO L82 PathProgramCache]: Analyzing trace with hash 409991454, now seen corresponding path program 1 times [2018-12-02 06:06:36,489 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:06:36,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:06:36,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:06:36,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:06:36,491 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:06:36,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:06:36,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:06:36,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:06:36,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 06:06:36,543 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:06:36,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 06:06:36,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 06:06:36,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 06:06:36,545 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. Second operand 4 states. [2018-12-02 06:06:36,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:06:36,595 INFO L93 Difference]: Finished difference Result 74 states and 88 transitions. [2018-12-02 06:06:36,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 06:06:36,595 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-12-02 06:06:36,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:06:36,596 INFO L225 Difference]: With dead ends: 74 [2018-12-02 06:06:36,596 INFO L226 Difference]: Without dead ends: 70 [2018-12-02 06:06:36,597 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 06:06:36,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-12-02 06:06:36,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 45. [2018-12-02 06:06:36,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-12-02 06:06:36,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 53 transitions. [2018-12-02 06:06:36,601 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 53 transitions. Word has length 12 [2018-12-02 06:06:36,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:06:36,601 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 53 transitions. [2018-12-02 06:06:36,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 06:06:36,602 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2018-12-02 06:06:36,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 06:06:36,602 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:06:36,602 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:06:36,602 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:06:36,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:06:36,603 INFO L82 PathProgramCache]: Analyzing trace with hash -138901270, now seen corresponding path program 1 times [2018-12-02 06:06:36,603 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:06:36,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:06:36,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:06:36,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:06:36,604 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:06:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:06:36,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:06:36,631 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:06:36,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:06:36,632 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:06:36,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:06:36,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:06:36,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:06:36,632 INFO L87 Difference]: Start difference. First operand 45 states and 53 transitions. Second operand 3 states. [2018-12-02 06:06:36,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:06:36,655 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2018-12-02 06:06:36,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:06:36,655 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-12-02 06:06:36,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:06:36,655 INFO L225 Difference]: With dead ends: 49 [2018-12-02 06:06:36,656 INFO L226 Difference]: Without dead ends: 47 [2018-12-02 06:06:36,656 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:06:36,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-12-02 06:06:36,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 43. [2018-12-02 06:06:36,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-12-02 06:06:36,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 51 transitions. [2018-12-02 06:06:36,659 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 51 transitions. Word has length 13 [2018-12-02 06:06:36,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:06:36,659 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 51 transitions. [2018-12-02 06:06:36,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:06:36,659 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2018-12-02 06:06:36,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 06:06:36,660 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:06:36,660 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:06:36,660 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:06:36,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:06:36,660 INFO L82 PathProgramCache]: Analyzing trace with hash -10936096, now seen corresponding path program 1 times [2018-12-02 06:06:36,660 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:06:36,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:06:36,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:06:36,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:06:36,662 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:06:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:06:36,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:06:36,797 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:06:36,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 06:06:36,797 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:06:36,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 06:06:36,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 06:06:36,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 06:06:36,798 INFO L87 Difference]: Start difference. First operand 43 states and 51 transitions. Second operand 5 states. [2018-12-02 06:06:36,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:06:36,892 INFO L93 Difference]: Finished difference Result 65 states and 78 transitions. [2018-12-02 06:06:36,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 06:06:36,892 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-12-02 06:06:36,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:06:36,894 INFO L225 Difference]: With dead ends: 65 [2018-12-02 06:06:36,894 INFO L226 Difference]: Without dead ends: 54 [2018-12-02 06:06:36,894 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:06:36,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-12-02 06:06:36,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 48. [2018-12-02 06:06:36,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-12-02 06:06:36,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 57 transitions. [2018-12-02 06:06:36,901 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 57 transitions. Word has length 14 [2018-12-02 06:06:36,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:06:36,901 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 57 transitions. [2018-12-02 06:06:36,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 06:06:36,901 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2018-12-02 06:06:36,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 06:06:36,902 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:06:36,902 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:06:36,902 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:06:36,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:06:36,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1135076446, now seen corresponding path program 1 times [2018-12-02 06:06:36,903 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:06:36,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:06:36,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:06:36,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:06:36,904 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:06:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:06:36,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:06:36,929 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:06:36,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:06:36,929 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:06:36,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:06:36,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:06:36,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:06:36,930 INFO L87 Difference]: Start difference. First operand 48 states and 57 transitions. Second operand 3 states. [2018-12-02 06:06:36,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:06:36,989 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2018-12-02 06:06:36,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:06:36,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-12-02 06:06:36,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:06:36,990 INFO L225 Difference]: With dead ends: 49 [2018-12-02 06:06:36,990 INFO L226 Difference]: Without dead ends: 47 [2018-12-02 06:06:36,991 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:06:36,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-12-02 06:06:36,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2018-12-02 06:06:36,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-12-02 06:06:36,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 55 transitions. [2018-12-02 06:06:36,996 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 55 transitions. Word has length 14 [2018-12-02 06:06:36,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:06:36,996 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 55 transitions. [2018-12-02 06:06:36,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:06:36,996 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2018-12-02 06:06:36,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 06:06:36,997 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:06:36,997 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:06:36,997 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:06:36,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:06:36,997 INFO L82 PathProgramCache]: Analyzing trace with hash 993366976, now seen corresponding path program 1 times [2018-12-02 06:06:36,997 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:06:36,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:06:36,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:06:36,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:06:36,999 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:06:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:06:37,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:06:37,165 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:06:37,165 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:06:37,166 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 20 with the following transitions: [2018-12-02 06:06:37,167 INFO L205 CegarAbsIntRunner]: [0], [1], [5], [10], [13], [116], [125], [132], [134], [138], [141], [142], [166], [170], [175], [181], [182], [183] [2018-12-02 06:06:37,189 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:06:37,189 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:06:37,315 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:06:37,316 INFO L272 AbstractInterpreter]: Visited 18 different actions 27 times. Merged at 9 different actions 9 times. Never widened. Performed 282 root evaluator evaluations with a maximum evaluation depth of 3. Performed 282 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 41 variables. [2018-12-02 06:06:37,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:06:37,322 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:06:37,322 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:06:37,322 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/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 [2018-12-02 06:06:37,329 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:06:37,329 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:06:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:06:37,354 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:06:38,229 WARN L180 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 78 [2018-12-02 06:06:38,248 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:06:38,251 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 29 [2018-12-02 06:06:38,279 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:06:38,293 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:06:38,294 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-12-02 06:06:38,294 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 06:06:38,353 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:06:38,505 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:06:38,517 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:06:38,701 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 59 [2018-12-02 06:06:38,709 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-12-02 06:06:38,719 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:06:38,737 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-02 06:06:38,737 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-02 06:06:38,771 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:06:38,841 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:06:38,893 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 77 [2018-12-02 06:06:38,898 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 35 [2018-12-02 06:06:38,899 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-12-02 06:06:38,946 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2018-12-02 06:06:38,950 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 20 [2018-12-02 06:06:39,155 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:06:39,156 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_arrayElimArr_6 input size 6 context size 6 output size 6 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getTraceCheck(BaseTaipanRefinementStrategy.java:214) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-02 06:06:39,160 INFO L168 Benchmark]: Toolchain (without parser) took 3488.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 948.1 MB in the beginning and 868.3 MB in the end (delta: 79.8 MB). Peak memory consumption was 225.0 MB. Max. memory is 11.5 GB. [2018-12-02 06:06:39,161 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:06:39,161 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-02 06:06:39,162 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:06:39,163 INFO L168 Benchmark]: Boogie Preprocessor took 25.08 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-02 06:06:39,163 INFO L168 Benchmark]: RCFGBuilder took 284.59 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: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. [2018-12-02 06:06:39,164 INFO L168 Benchmark]: TraceAbstraction took 2881.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 868.3 MB in the end (delta: 221.6 MB). Peak memory consumption was 221.6 MB. Max. memory is 11.5 GB. [2018-12-02 06:06:39,165 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 275.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.08 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 284.59 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: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2881.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 868.3 MB in the end (delta: 221.6 MB). Peak memory consumption was 221.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimArr_6 input size 6 context size 6 output size 6 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimArr_6 input size 6 context size 6 output size 6: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 06:06:40,448 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 06:06:40,449 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 06:06:40,455 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 06:06:40,455 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 06:06:40,455 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 06:06:40,456 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 06:06:40,457 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 06:06:40,457 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 06:06:40,458 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 06:06:40,458 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 06:06:40,458 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 06:06:40,459 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 06:06:40,459 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 06:06:40,460 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 06:06:40,460 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 06:06:40,461 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 06:06:40,462 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 06:06:40,463 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 06:06:40,464 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 06:06:40,464 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 06:06:40,465 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 06:06:40,467 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 06:06:40,467 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 06:06:40,467 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 06:06:40,468 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 06:06:40,468 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 06:06:40,468 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 06:06:40,469 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 06:06:40,469 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 06:06:40,469 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 06:06:40,470 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 06:06:40,470 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 06:06:40,470 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 06:06:40,470 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 06:06:40,471 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 06:06:40,471 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 06:06:40,480 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 06:06:40,481 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 06:06:40,481 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 06:06:40,481 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 06:06:40,482 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 06:06:40,482 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 06:06:40,482 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 06:06:40,482 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 06:06:40,482 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 06:06:40,482 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 06:06:40,483 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 06:06:40,483 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 06:06:40,483 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 06:06:40,483 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 06:06:40,483 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 06:06:40,484 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 06:06:40,484 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 06:06:40,484 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 06:06:40,484 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 06:06:40,484 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 06:06:40,484 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 06:06:40,485 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 06:06:40,485 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 06:06:40,485 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 06:06:40,485 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 06:06:40,485 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 06:06:40,485 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 06:06:40,485 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 06:06:40,486 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 06:06:40,486 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 06:06:40,486 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 06:06:40,486 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 06:06:40,486 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 06:06:40,486 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 06:06:40,486 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 06:06:40,487 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_d677435f-48be-4130-91f4-5a8d79cee13a/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 -> ec7b34841527490886cd362d78588ff0f0e72200 [2018-12-02 06:06:40,510 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 06:06:40,517 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 06:06:40,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 06:06:40,520 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 06:06:40,520 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 06:06:40,520 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/bin-2019/utaipan/../../sv-benchmarks/c/forester-heap/sll-buckets_false-unreach-call_false-valid-memcleanup.i [2018-12-02 06:06:40,555 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/bin-2019/utaipan/data/509b8ff56/e84d3d3ddcbc4485ae492b12088df3f8/FLAGec20c3b4a [2018-12-02 06:06:41,005 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 06:06:41,005 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/sv-benchmarks/c/forester-heap/sll-buckets_false-unreach-call_false-valid-memcleanup.i [2018-12-02 06:06:41,011 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/bin-2019/utaipan/data/509b8ff56/e84d3d3ddcbc4485ae492b12088df3f8/FLAGec20c3b4a [2018-12-02 06:06:41,019 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/bin-2019/utaipan/data/509b8ff56/e84d3d3ddcbc4485ae492b12088df3f8 [2018-12-02 06:06:41,021 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 06:06:41,022 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 06:06:41,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 06:06:41,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 06:06:41,025 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 06:06:41,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:06:41" (1/1) ... [2018-12-02 06:06:41,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54932da1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:41, skipping insertion in model container [2018-12-02 06:06:41,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:06:41" (1/1) ... [2018-12-02 06:06:41,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 06:06:41,051 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 06:06:41,202 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:06:41,211 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 06:06:41,275 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:06:41,295 INFO L195 MainTranslator]: Completed translation [2018-12-02 06:06:41,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:41 WrapperNode [2018-12-02 06:06:41,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 06:06:41,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 06:06:41,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 06:06:41,296 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 06:06:41,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:41" (1/1) ... [2018-12-02 06:06:41,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:41" (1/1) ... [2018-12-02 06:06:41,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 06:06:41,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 06:06:41,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 06:06:41,316 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 06:06:41,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:41" (1/1) ... [2018-12-02 06:06:41,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:41" (1/1) ... [2018-12-02 06:06:41,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:41" (1/1) ... [2018-12-02 06:06:41,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:41" (1/1) ... [2018-12-02 06:06:41,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:41" (1/1) ... [2018-12-02 06:06:41,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:41" (1/1) ... [2018-12-02 06:06:41,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:41" (1/1) ... [2018-12-02 06:06:41,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 06:06:41,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 06:06:41,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 06:06:41,340 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 06:06:41,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/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 [2018-12-02 06:06:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 06:06:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 06:06:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 06:06:41,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 06:06:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 06:06:41,371 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 06:06:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 06:06:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 06:06:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 06:06:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 06:06:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 06:06:41,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 06:06:43,634 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 06:06:43,634 INFO L280 CfgBuilder]: Removed 15 assue(true) statements. [2018-12-02 06:06:43,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:06:43 BoogieIcfgContainer [2018-12-02 06:06:43,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 06:06:43,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 06:06:43,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 06:06:43,637 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 06:06:43,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:06:41" (1/3) ... [2018-12-02 06:06:43,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179d8d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:06:43, skipping insertion in model container [2018-12-02 06:06:43,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:41" (2/3) ... [2018-12-02 06:06:43,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179d8d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:06:43, skipping insertion in model container [2018-12-02 06:06:43,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:06:43" (3/3) ... [2018-12-02 06:06:43,638 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-buckets_false-unreach-call_false-valid-memcleanup.i [2018-12-02 06:06:43,644 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 06:06:43,649 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-12-02 06:06:43,657 INFO L257 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2018-12-02 06:06:43,676 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 06:06:43,676 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 06:06:43,676 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 06:06:43,676 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 06:06:43,677 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 06:06:43,677 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 06:06:43,677 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 06:06:43,677 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 06:06:43,677 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 06:06:43,686 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2018-12-02 06:06:43,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 06:06:43,690 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:06:43,691 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:06:43,692 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:06:43,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:06:43,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1677476360, now seen corresponding path program 1 times [2018-12-02 06:06:43,698 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 06:06:43,699 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/bin-2019/utaipan/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 06:06:43,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:06:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:06:43,764 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:06:43,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:06:43,788 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 06:06:43,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:06:43,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 06:06:43,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 06:06:43,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 06:06:43,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 06:06:43,803 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 4 states. [2018-12-02 06:06:43,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:06:43,918 INFO L93 Difference]: Finished difference Result 115 states and 191 transitions. [2018-12-02 06:06:43,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 06:06:43,919 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-12-02 06:06:43,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:06:43,925 INFO L225 Difference]: With dead ends: 115 [2018-12-02 06:06:43,925 INFO L226 Difference]: Without dead ends: 68 [2018-12-02 06:06:43,927 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 06:06:43,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-12-02 06:06:43,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 44. [2018-12-02 06:06:43,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-12-02 06:06:43,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2018-12-02 06:06:43,950 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 52 transitions. Word has length 11 [2018-12-02 06:06:43,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:06:43,950 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 52 transitions. [2018-12-02 06:06:43,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 06:06:43,951 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2018-12-02 06:06:43,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 06:06:43,951 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:06:43,951 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:06:43,951 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:06:43,951 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:06:43,952 INFO L82 PathProgramCache]: Analyzing trace with hash 498425151, now seen corresponding path program 1 times [2018-12-02 06:06:43,952 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 06:06:43,952 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/bin-2019/utaipan/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 06:06:43,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:06:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:06:43,998 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:06:44,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:06:44,006 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 06:06:44,008 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:06:44,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:06:44,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:06:44,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:06:44,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:06:44,011 INFO L87 Difference]: Start difference. First operand 44 states and 52 transitions. Second operand 3 states. [2018-12-02 06:06:44,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:06:44,066 INFO L93 Difference]: Finished difference Result 47 states and 56 transitions. [2018-12-02 06:06:44,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:06:44,067 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-12-02 06:06:44,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:06:44,068 INFO L225 Difference]: With dead ends: 47 [2018-12-02 06:06:44,068 INFO L226 Difference]: Without dead ends: 45 [2018-12-02 06:06:44,069 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:06:44,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-12-02 06:06:44,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2018-12-02 06:06:44,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-02 06:06:44,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2018-12-02 06:06:44,074 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 12 [2018-12-02 06:06:44,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:06:44,074 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2018-12-02 06:06:44,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:06:44,075 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2018-12-02 06:06:44,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 06:06:44,075 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:06:44,075 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:06:44,076 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:06:44,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:06:44,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1728653526, now seen corresponding path program 1 times [2018-12-02 06:06:44,076 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 06:06:44,077 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/bin-2019/utaipan/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 06:06:44,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:06:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:06:44,176 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:08:15,230 WARN L180 SmtUtils]: Spent 1.52 m on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2018-12-02 06:08:15,560 INFO L303 Elim1Store]: Index analysis took 325 ms [2018-12-02 06:08:15,563 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-02 06:08:15,563 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 06:08:55,837 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:08:59,150 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:08:59,152 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:09:00,508 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:09:34,309 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:09:37,240 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:09:37,241 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:09:39,621 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:10:22,116 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:10:24,376 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:10:24,377 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:10:25,996 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:11:00,708 INFO L303 Elim1Store]: Index analysis took 715 ms [2018-12-02 06:11:00,709 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 67 [2018-12-02 06:11:00,741 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-12-02 06:11:00,839 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:11:00,895 INFO L303 Elim1Store]: Index analysis took 152 ms [2018-12-02 06:11:00,895 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-02 06:11:00,896 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-12-02 06:11:01,187 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:11:02,879 INFO L303 Elim1Store]: Index analysis took 309 ms [2018-12-02 06:11:02,879 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 65 [2018-12-02 06:11:02,918 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 42 [2018-12-02 06:11:03,041 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:11:03,116 INFO L303 Elim1Store]: Index analysis took 196 ms [2018-12-02 06:11:03,116 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 47 [2018-12-02 06:11:03,165 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:11:03,228 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:11:03,263 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:11:03,507 INFO L303 Elim1Store]: Index analysis took 388 ms [2018-12-02 06:11:03,507 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 61 [2018-12-02 06:11:03,508 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-12-02 06:11:03,938 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:11:04,279 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:11:05,142 INFO L303 Elim1Store]: Index analysis took 297 ms [2018-12-02 06:11:05,143 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 55 [2018-12-02 06:11:05,175 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:11:05,186 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:11:05,230 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:11:05,509 INFO L303 Elim1Store]: Index analysis took 364 ms [2018-12-02 06:11:05,549 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 73 [2018-12-02 06:11:05,550 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 8 xjuncts. [2018-12-02 06:11:06,790 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-12-02 06:11:07,928 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-12-02 06:11:17,614 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-12-02 06:11:18,836 INFO L303 Elim1Store]: Index analysis took 1220 ms [2018-12-02 06:11:18,836 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 65 [2018-12-02 06:11:19,117 INFO L303 Elim1Store]: Index analysis took 279 ms [2018-12-02 06:11:19,118 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-12-02 06:11:19,478 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:11:19,643 INFO L303 Elim1Store]: Index analysis took 524 ms [2018-12-02 06:11:19,644 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-02 06:11:19,645 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-12-02 06:11:20,605 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:11:29,904 INFO L303 Elim1Store]: Index analysis took 2196 ms [2018-12-02 06:11:29,905 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 64 [2018-12-02 06:11:29,949 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2018-12-02 06:11:29,950 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-12-02 06:11:30,886 INFO L303 Elim1Store]: Index analysis took 253 ms [2018-12-02 06:11:30,886 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 38 [2018-12-02 06:11:30,887 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-12-02 06:11:31,700 INFO L303 Elim1Store]: Index analysis took 419 ms [2018-12-02 06:11:31,716 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 63 [2018-12-02 06:11:31,737 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2018-12-02 06:11:31,738 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-12-02 06:11:32,885 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:11:32,977 INFO L303 Elim1Store]: Index analysis took 158 ms [2018-12-02 06:11:32,977 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 49 [2018-12-02 06:11:33,049 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:11:33,078 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:11:33,094 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:11:33,234 INFO L303 Elim1Store]: Index analysis took 255 ms [2018-12-02 06:11:33,235 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 52 [2018-12-02 06:11:33,235 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-12-02 06:11:33,692 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:11:34,864 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:11:34,910 INFO L303 Elim1Store]: Index analysis took 112 ms [2018-12-02 06:11:34,911 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 39 [2018-12-02 06:11:34,911 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-12-02 06:11:36,413 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:11:36,437 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:11:36,494 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:11:36,718 INFO L303 Elim1Store]: Index analysis took 350 ms [2018-12-02 06:11:36,719 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 57 [2018-12-02 06:11:36,719 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-12-02 06:11:37,575 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:11:37,638 INFO L303 Elim1Store]: Index analysis took 109 ms [2018-12-02 06:11:37,639 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 51 [2018-12-02 06:11:37,737 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:11:37,787 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:11:37,802 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:11:38,035 INFO L303 Elim1Store]: Index analysis took 394 ms [2018-12-02 06:11:38,036 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 58 [2018-12-02 06:11:38,036 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-12-02 06:11:38,533 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:11:39,306 INFO L267 ElimStorePlain]: Start of recursive call 30: 5 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-02 06:11:40,101 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-02 06:11:44,968 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-02 06:12:03,363 INFO L303 Elim1Store]: Index analysis took 118 ms [2018-12-02 06:12:03,364 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 69 [2018-12-02 06:12:03,372 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-12-02 06:12:03,384 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:03,411 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-02 06:12:03,411 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:03,471 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:03,641 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 67 [2018-12-02 06:12:03,657 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 44 [2018-12-02 06:12:03,684 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:03,742 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 49 [2018-12-02 06:12:03,762 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:03,773 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:03,786 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:03,828 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 67 [2018-12-02 06:12:03,828 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:03,931 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:04,005 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:04,184 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 61 [2018-12-02 06:12:04,198 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:04,203 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:04,220 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:04,306 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 88 [2018-12-02 06:12:04,311 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-12-02 06:12:04,311 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:04,667 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:04,672 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:04,673 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:04,674 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:12:04,714 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 72 [2018-12-02 06:12:04,729 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:04,732 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:04,737 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:04,781 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 73 [2018-12-02 06:12:04,781 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:04,850 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:05,612 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:05,617 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:05,622 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:05,624 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:05,627 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:05,675 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 72 [2018-12-02 06:12:05,693 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:05,702 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:05,710 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:05,714 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:05,722 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:05,730 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:05,737 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:05,813 INFO L303 Elim1Store]: Index analysis took 135 ms [2018-12-02 06:12:05,814 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 84 [2018-12-02 06:12:05,814 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:05,926 INFO L267 ElimStorePlain]: Start of recursive call 50: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:06,203 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:06,205 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:06,206 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:12:06,208 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:06,219 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 72 [2018-12-02 06:12:06,226 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:06,228 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:06,228 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:12:06,236 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 65 [2018-12-02 06:12:06,237 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:06,269 INFO L267 ElimStorePlain]: Start of recursive call 52: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:06,579 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:06,581 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:06,603 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:06,673 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 76 [2018-12-02 06:12:06,683 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:06,685 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:06,685 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:12:06,687 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:06,689 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:06,702 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 101 [2018-12-02 06:12:06,703 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:06,877 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:06,879 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:06,898 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:06,963 INFO L303 Elim1Store]: Index analysis took 112 ms [2018-12-02 06:12:06,984 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 85 [2018-12-02 06:12:06,985 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 2 xjuncts. [2018-12-02 06:12:07,195 INFO L267 ElimStorePlain]: Start of recursive call 54: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 06:12:07,792 INFO L267 ElimStorePlain]: Start of recursive call 46: 8 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-12-02 06:12:08,151 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-12-02 06:12:08,545 INFO L267 ElimStorePlain]: Start of recursive call 41: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-12-02 06:12:09,037 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-12-02 06:12:09,278 INFO L303 Elim1Store]: Index analysis took 240 ms [2018-12-02 06:12:09,278 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 67 [2018-12-02 06:12:09,294 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-12-02 06:12:09,315 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:09,345 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-02 06:12:09,345 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:09,445 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:09,804 INFO L303 Elim1Store]: Index analysis took 181 ms [2018-12-02 06:12:09,805 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 66 [2018-12-02 06:12:09,817 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2018-12-02 06:12:09,817 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:09,944 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 61 [2018-12-02 06:12:09,953 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:09,959 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 52 [2018-12-02 06:12:09,960 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:10,060 INFO L267 ElimStorePlain]: Start of recursive call 62: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-02 06:12:10,167 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2018-12-02 06:12:10,175 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:10,180 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2018-12-02 06:12:10,190 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:10,193 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:10,195 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:10,206 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 46 [2018-12-02 06:12:10,206 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:10,236 INFO L267 ElimStorePlain]: Start of recursive call 65: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:10,277 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-12-02 06:12:10,291 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2018-12-02 06:12:10,309 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 22 [2018-12-02 06:12:10,310 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:10,330 INFO L267 ElimStorePlain]: Start of recursive call 68: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:10,348 INFO L267 ElimStorePlain]: Start of recursive call 67: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:10,389 INFO L267 ElimStorePlain]: Start of recursive call 64: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:10,401 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 55 [2018-12-02 06:12:10,410 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:10,417 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2018-12-02 06:12:10,428 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:10,432 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:10,435 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:10,448 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 50 [2018-12-02 06:12:10,448 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:10,484 INFO L267 ElimStorePlain]: Start of recursive call 71: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:10,531 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-12-02 06:12:10,541 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2018-12-02 06:12:10,558 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 22 [2018-12-02 06:12:10,558 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:10,579 INFO L267 ElimStorePlain]: Start of recursive call 74: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:10,599 INFO L267 ElimStorePlain]: Start of recursive call 73: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:10,641 INFO L267 ElimStorePlain]: Start of recursive call 70: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:10,741 INFO L267 ElimStorePlain]: Start of recursive call 60: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-02 06:12:10,877 INFO L267 ElimStorePlain]: Start of recursive call 57: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-02 06:12:12,027 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 54 [2018-12-02 06:12:12,040 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:12,042 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:12,051 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:12,103 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 31 treesize of output 63 [2018-12-02 06:12:12,115 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:12,117 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:12,128 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:12,176 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 53 treesize of output 70 [2018-12-02 06:12:12,177 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 4 xjuncts. [2018-12-02 06:12:12,410 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:12,411 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:12,413 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:12,413 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:12:12,419 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 50 [2018-12-02 06:12:12,419 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:12,701 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:12,702 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:12,704 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:12,706 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:12,707 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:12,715 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 68 [2018-12-02 06:12:12,715 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:12,855 INFO L267 ElimStorePlain]: Start of recursive call 77: 4 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-12-02 06:12:13,015 INFO L267 ElimStorePlain]: Start of recursive call 76: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-12-02 06:12:13,049 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 52 [2018-12-02 06:12:13,057 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:13,066 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 36 [2018-12-02 06:12:13,075 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:13,078 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:13,081 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:13,092 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 40 [2018-12-02 06:12:13,092 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:13,113 INFO L267 ElimStorePlain]: Start of recursive call 82: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:13,146 INFO L267 ElimStorePlain]: Start of recursive call 81: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:13,172 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 52 [2018-12-02 06:12:13,179 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:13,179 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:12:13,184 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 39 [2018-12-02 06:12:13,189 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:13,192 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2018-12-02 06:12:13,193 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:13,205 INFO L267 ElimStorePlain]: Start of recursive call 85: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:13,231 INFO L267 ElimStorePlain]: Start of recursive call 84: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:13,305 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 52 [2018-12-02 06:12:13,324 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:13,334 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:13,339 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:13,361 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 48 [2018-12-02 06:12:13,371 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:13,375 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:13,380 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:13,382 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:13,383 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:13,401 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 65 [2018-12-02 06:12:13,401 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:13,426 INFO L267 ElimStorePlain]: Start of recursive call 88: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:13,468 INFO L267 ElimStorePlain]: Start of recursive call 87: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:13,487 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2018-12-02 06:12:13,493 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2018-12-02 06:12:13,499 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2018-12-02 06:12:13,499 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:13,511 INFO L267 ElimStorePlain]: Start of recursive call 91: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:13,542 INFO L267 ElimStorePlain]: Start of recursive call 90: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:13,575 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 59 [2018-12-02 06:12:13,581 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:13,583 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:13,583 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:12:13,591 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 45 [2018-12-02 06:12:13,597 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:13,604 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 30 [2018-12-02 06:12:13,604 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:13,624 INFO L267 ElimStorePlain]: Start of recursive call 94: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:13,649 INFO L267 ElimStorePlain]: Start of recursive call 93: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:14,352 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 6 dim-2 vars, End of recursive call: 4 dim-0 vars, and 35 xjuncts. [2018-12-02 06:12:14,352 INFO L202 ElimStorePlain]: Needed 95 recursive calls to eliminate 10 variables, input treesize:212, output treesize:4316 [2018-12-02 06:12:15,854 WARN L180 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 181 DAG size of output: 109 [2018-12-02 06:12:16,717 WARN L180 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-12-02 06:12:16,749 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 135 treesize of output 122 [2018-12-02 06:12:16,754 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:16,756 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 90 [2018-12-02 06:12:16,762 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:12:16,843 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:16,845 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 84 [2018-12-02 06:12:16,846 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:12:16,925 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 64 [2018-12-02 06:12:16,925 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:16,992 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 65 [2018-12-02 06:12:16,993 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:17,055 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-12-02 06:12:17,590 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:17,592 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 79 [2018-12-02 06:12:17,596 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 26 [2018-12-02 06:12:17,597 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:12:17,615 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:17,615 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-12-02 06:12:17,616 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:17,626 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:12:18,162 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 91 [2018-12-02 06:12:18,165 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:18,166 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 22 [2018-12-02 06:12:18,166 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:18,183 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 32 [2018-12-02 06:12:18,184 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:12:18,197 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:12:18,719 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:18,720 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:18,721 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2018-12-02 06:12:18,725 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:18,726 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:18,733 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 27 [2018-12-02 06:12:18,734 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-12-02 06:12:18,746 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-12-02 06:12:18,746 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:18,751 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:19,225 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 39 [2018-12-02 06:12:19,227 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2018-12-02 06:12:19,227 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:19,238 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:19,238 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 10 [2018-12-02 06:12:19,239 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:19,244 INFO L267 ElimStorePlain]: Start of recursive call 16: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:19,652 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 77 [2018-12-02 06:12:19,656 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:19,658 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 32 [2018-12-02 06:12:19,658 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:12:19,683 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-12-02 06:12:19,683 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:19,700 INFO L267 ElimStorePlain]: Start of recursive call 19: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:12:20,069 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 56 [2018-12-02 06:12:20,075 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:20,076 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 36 [2018-12-02 06:12:20,076 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:20,117 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2018-12-02 06:12:20,117 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:20,149 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:20,150 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2018-12-02 06:12:20,150 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:20,174 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2018-12-02 06:12:20,174 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:20,189 INFO L267 ElimStorePlain]: Start of recursive call 22: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:20,212 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 49 [2018-12-02 06:12:20,217 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:20,217 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 10 [2018-12-02 06:12:20,218 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:20,230 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-12-02 06:12:20,230 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:20,237 INFO L267 ElimStorePlain]: Start of recursive call 27: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:20,505 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:20,506 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 85 [2018-12-02 06:12:20,511 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 29 [2018-12-02 06:12:20,511 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:12:20,525 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:12:20,761 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2018-12-02 06:12:20,764 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-12-02 06:12:20,764 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:20,779 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:20,779 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-12-02 06:12:20,780 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:20,785 INFO L267 ElimStorePlain]: Start of recursive call 32: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:20,961 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 114 [2018-12-02 06:12:20,966 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 76 [2018-12-02 06:12:20,967 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:20,995 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:21,008 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 94 treesize of output 81 [2018-12-02 06:12:21,009 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-12-02 06:12:21,054 INFO L267 ElimStorePlain]: Start of recursive call 35: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-12-02 06:12:21,296 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:21,297 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:21,297 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 42 [2018-12-02 06:12:21,301 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:21,313 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 27 [2018-12-02 06:12:21,314 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:21,323 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:21,324 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2018-12-02 06:12:21,324 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:21,329 INFO L267 ElimStorePlain]: Start of recursive call 38: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:21,486 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:21,487 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:21,488 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 60 [2018-12-02 06:12:21,492 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:21,493 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:21,505 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:21,540 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 71 [2018-12-02 06:12:21,541 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-12-02 06:12:21,563 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 14 [2018-12-02 06:12:21,563 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:21,568 INFO L267 ElimStorePlain]: Start of recursive call 41: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:21,572 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 44 [2018-12-02 06:12:21,575 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 16 [2018-12-02 06:12:21,576 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:12:21,595 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:21,598 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 6 [2018-12-02 06:12:21,598 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:21,602 INFO L267 ElimStorePlain]: Start of recursive call 44: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:21,685 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 12 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-02 06:12:21,685 INFO L202 ElimStorePlain]: Needed 46 recursive calls to eliminate 20 variables, input treesize:691, output treesize:11 [2018-12-02 06:12:21,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:12:21,709 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 06:12:21,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:12:21,711 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 06:12:21,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 06:12:21,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 06:12:21,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 06:12:21,712 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand 5 states. [2018-12-02 06:12:24,319 WARN L180 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2018-12-02 06:12:27,261 WARN L180 SmtUtils]: Spent 2.82 s on a formula simplification that was a NOOP. DAG size: 192 [2018-12-02 06:12:30,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:12:30,706 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2018-12-02 06:12:30,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 06:12:30,708 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-12-02 06:12:30,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:12:30,709 INFO L225 Difference]: With dead ends: 46 [2018-12-02 06:12:30,709 INFO L226 Difference]: Without dead ends: 31 [2018-12-02 06:12:30,709 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:12:30,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-12-02 06:12:30,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2018-12-02 06:12:30,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-12-02 06:12:30,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2018-12-02 06:12:30,711 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 13 [2018-12-02 06:12:30,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:12:30,712 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2018-12-02 06:12:30,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 06:12:30,712 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2018-12-02 06:12:30,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 06:12:30,712 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:12:30,712 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:12:30,712 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:12:30,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:12:30,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1442173420, now seen corresponding path program 1 times [2018-12-02 06:12:30,713 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 06:12:30,713 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/bin-2019/utaipan/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 06:12:30,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:12:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:12:30,747 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:12:30,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:12:30,752 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 06:12:30,754 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:12:30,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:12:30,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:12:30,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:12:30,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:12:30,754 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand 3 states. [2018-12-02 06:12:32,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:12:32,397 INFO L93 Difference]: Finished difference Result 31 states and 37 transitions. [2018-12-02 06:12:32,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:12:32,397 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-12-02 06:12:32,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:12:32,398 INFO L225 Difference]: With dead ends: 31 [2018-12-02 06:12:32,398 INFO L226 Difference]: Without dead ends: 29 [2018-12-02 06:12:32,398 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:12:32,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-12-02 06:12:32,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2018-12-02 06:12:32,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-12-02 06:12:32,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2018-12-02 06:12:32,400 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 13 [2018-12-02 06:12:32,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:12:32,401 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2018-12-02 06:12:32,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:12:32,401 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2018-12-02 06:12:32,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 06:12:32,401 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:12:32,401 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:12:32,401 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:12:32,401 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:12:32,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1987574280, now seen corresponding path program 1 times [2018-12-02 06:12:32,401 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 06:12:32,401 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/bin-2019/utaipan/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 06:12:32,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:12:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:12:32,497 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:12:33,367 WARN L180 SmtUtils]: Spent 866.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-12-02 06:12:33,444 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:33,445 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 38 [2018-12-02 06:12:33,535 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:33,556 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:33,557 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 42 [2018-12-02 06:12:33,610 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 36 [2018-12-02 06:12:33,610 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:34,143 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:34,574 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:35,686 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:12:35,716 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:12:36,772 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:12:36,835 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:12:37,702 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:12:37,806 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:12:38,597 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 44 [2018-12-02 06:12:38,610 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 21 [2018-12-02 06:12:38,629 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:38,645 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2018-12-02 06:12:38,668 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:38,676 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:38,682 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:38,723 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 46 [2018-12-02 06:12:38,723 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:38,810 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:38,900 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:39,039 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 52 [2018-12-02 06:12:39,052 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 25 [2018-12-02 06:12:39,071 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:39,078 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 35 [2018-12-02 06:12:39,092 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:39,095 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:39,099 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:39,121 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 39 [2018-12-02 06:12:39,121 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:39,162 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:39,186 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:39,239 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:39,281 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:39,478 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 77 [2018-12-02 06:12:39,490 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 24 [2018-12-02 06:12:39,501 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:39,506 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-12-02 06:12:39,506 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:39,523 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:39,568 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:39,705 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 75 [2018-12-02 06:12:39,717 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:39,721 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-12-02 06:12:39,721 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:39,760 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:39,829 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 6 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-12-02 06:12:39,829 INFO L202 ElimStorePlain]: Needed 23 recursive calls to eliminate 11 variables, input treesize:152, output treesize:59 [2018-12-02 06:12:39,866 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:39,868 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:39,870 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:39,871 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:12:39,871 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2018-12-02 06:12:39,871 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:39,973 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 68 [2018-12-02 06:12:39,979 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2018-12-02 06:12:39,980 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:40,003 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:40,043 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-12-02 06:12:40,043 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:87, output treesize:59 [2018-12-02 06:12:40,114 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 66 [2018-12-02 06:12:40,122 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-12-02 06:12:40,122 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:40,157 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:40,213 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-12-02 06:12:40,213 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:72, output treesize:68 [2018-12-02 06:12:40,369 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 67 [2018-12-02 06:12:40,376 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2018-12-02 06:12:40,376 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:40,409 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2018-12-02 06:12:40,409 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:40,424 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-12-02 06:12:40,424 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:40,439 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-12-02 06:12:40,439 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:40,444 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:40,461 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:40,462 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:79, output treesize:7 [2018-12-02 06:12:40,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:12:40,483 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 06:12:40,486 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:12:40,486 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 06:12:40,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 06:12:40,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 06:12:40,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:12:40,486 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. Second operand 7 states. [2018-12-02 06:12:53,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:12:53,518 INFO L93 Difference]: Finished difference Result 87 states and 108 transitions. [2018-12-02 06:12:53,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 06:12:53,519 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-12-02 06:12:53,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:12:53,520 INFO L225 Difference]: With dead ends: 87 [2018-12-02 06:12:53,521 INFO L226 Difference]: Without dead ends: 65 [2018-12-02 06:12:53,521 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-12-02 06:12:53,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-12-02 06:12:53,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 37. [2018-12-02 06:12:53,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-12-02 06:12:53,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2018-12-02 06:12:53,525 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 19 [2018-12-02 06:12:53,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:12:53,526 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2018-12-02 06:12:53,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 06:12:53,526 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2018-12-02 06:12:53,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 06:12:53,526 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:12:53,526 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:12:53,526 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:12:53,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:12:53,526 INFO L82 PathProgramCache]: Analyzing trace with hash -315623446, now seen corresponding path program 1 times [2018-12-02 06:12:53,527 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 06:12:53,527 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/bin-2019/utaipan/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 06:12:53,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:12:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:12:53,632 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:12:54,969 WARN L180 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2018-12-02 06:12:55,007 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:55,008 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 38 [2018-12-02 06:12:55,075 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:55,089 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:55,090 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 42 [2018-12-02 06:12:55,110 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 36 [2018-12-02 06:12:55,110 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:55,364 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:55,568 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:56,109 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 37 [2018-12-02 06:12:56,123 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-12-02 06:12:56,150 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:56,151 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-02 06:12:56,151 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:56,254 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:56,450 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-12-02 06:12:56,460 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2018-12-02 06:12:56,460 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:56,495 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:56,531 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:56,668 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:12:56,678 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:12:56,814 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 63 [2018-12-02 06:12:56,819 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-12-02 06:12:56,825 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:56,829 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-02 06:12:56,829 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:56,848 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:56,919 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 63 [2018-12-02 06:12:56,925 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 21 [2018-12-02 06:12:56,931 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:56,934 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2018-12-02 06:12:56,940 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:56,941 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:56,943 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:56,947 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 46 [2018-12-02 06:12:56,948 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:56,969 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:56,986 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:57,023 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:57,054 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:57,112 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-02 06:12:57,112 INFO L202 ElimStorePlain]: Needed 18 recursive calls to eliminate 8 variables, input treesize:145, output treesize:134 [2018-12-02 06:12:57,164 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:57,166 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:57,170 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:57,171 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:12:57,172 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 61 [2018-12-02 06:12:57,172 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:57,273 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 113 [2018-12-02 06:12:57,282 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-02 06:12:57,282 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:57,330 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:57,389 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-02 06:12:57,389 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:150, output treesize:133 [2018-12-02 06:12:57,491 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 126 [2018-12-02 06:12:57,501 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:57,504 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-12-02 06:12:57,504 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:57,549 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:57,601 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-12-02 06:12:57,601 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:152, output treesize:133 [2018-12-02 06:12:57,754 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 82 [2018-12-02 06:12:57,762 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:57,762 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-12-02 06:12:57,763 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:57,802 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 19 [2018-12-02 06:12:57,802 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:57,843 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:57,845 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2018-12-02 06:12:57,846 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:57,857 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-02 06:12:57,858 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:57,864 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:57,870 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:57,870 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:135, output treesize:4 [2018-12-02 06:12:57,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:12:57,890 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:12:57,930 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:12:57,935 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:12:57,939 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:12:57,939 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:18 [2018-12-02 06:12:58,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:12:58,050 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:12:58,050 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/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 [2018-12-02 06:12:58,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:12:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:12:58,083 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:12:59,021 WARN L180 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 58 [2018-12-02 06:12:59,076 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:59,077 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 38 [2018-12-02 06:12:59,167 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:59,179 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:12:59,180 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 40 [2018-12-02 06:12:59,201 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 34 [2018-12-02 06:12:59,202 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 06:12:59,426 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:12:59,607 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:13:00,229 INFO L303 Elim1Store]: Index analysis took 106 ms [2018-12-02 06:13:00,230 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 37 [2018-12-02 06:13:00,247 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-12-02 06:13:00,273 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:13:00,274 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-02 06:13:00,275 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-02 06:13:00,381 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:13:00,598 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 37 [2018-12-02 06:13:00,611 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2018-12-02 06:13:00,611 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-02 06:13:00,648 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:13:00,684 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:13:00,826 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:13:00,836 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:13:00,980 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 63 [2018-12-02 06:13:00,988 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-12-02 06:13:00,998 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:13:01,003 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-02 06:13:01,003 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-02 06:13:01,024 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:13:01,108 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 63 [2018-12-02 06:13:01,114 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 21 [2018-12-02 06:13:01,122 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:13:01,126 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2018-12-02 06:13:01,135 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:13:01,137 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:13:01,139 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:13:01,145 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 46 [2018-12-02 06:13:01,146 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-12-02 06:13:01,170 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:13:01,189 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:13:01,236 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:13:01,272 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:13:01,334 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-02 06:13:01,334 INFO L202 ElimStorePlain]: Needed 18 recursive calls to eliminate 8 variables, input treesize:142, output treesize:130 [2018-12-02 06:13:01,419 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:13:01,421 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:13:01,423 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:13:01,425 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:13:01,426 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 61 [2018-12-02 06:13:01,426 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 06:13:01,526 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 113 [2018-12-02 06:13:01,535 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-02 06:13:01,536 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 06:13:01,583 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:13:01,642 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-02 06:13:01,642 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:148, output treesize:130 [2018-12-02 06:13:01,792 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 126 [2018-12-02 06:13:01,804 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:13:01,808 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-12-02 06:13:01,808 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 06:13:01,857 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:13:01,911 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-12-02 06:13:01,911 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:149, output treesize:130 [2018-12-02 06:13:02,120 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 84 [2018-12-02 06:13:02,127 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 25 [2018-12-02 06:13:02,128 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 06:13:02,174 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:13:02,175 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-12-02 06:13:02,175 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 06:13:02,205 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-02 06:13:02,205 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 06:13:02,231 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:13:02,233 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 19 [2018-12-02 06:13:02,233 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 06:13:02,239 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:13:02,245 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:13:02,245 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:137, output treesize:4 [2018-12-02 06:13:02,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:13:02,248 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:13:02,249 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:13:02,253 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:13:02,257 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:13:02,257 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:18 [2018-12-02 06:13:02,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:13:02,375 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-12-02 06:13:02,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7, 7] total 15 [2018-12-02 06:13:02,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-02 06:13:02,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-02 06:13:02,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2018-12-02 06:13:02,375 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand 15 states. [2018-12-02 06:13:10,279 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2018-12-02 06:13:14,730 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-12-02 06:13:15,028 WARN L180 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2018-12-02 06:13:25,438 WARN L180 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 100 [2018-12-02 06:13:25,729 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2018-12-02 06:13:26,610 WARN L180 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-12-02 06:13:32,600 WARN L180 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 36 [2018-12-02 06:13:33,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:13:33,187 INFO L93 Difference]: Finished difference Result 116 states and 147 transitions. [2018-12-02 06:13:33,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 06:13:33,188 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 20 [2018-12-02 06:13:33,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:13:33,188 INFO L225 Difference]: With dead ends: 116 [2018-12-02 06:13:33,188 INFO L226 Difference]: Without dead ends: 114 [2018-12-02 06:13:33,189 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 63 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=161, Invalid=439, Unknown=0, NotChecked=0, Total=600 [2018-12-02 06:13:33,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-12-02 06:13:33,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 59. [2018-12-02 06:13:33,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-12-02 06:13:33,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 72 transitions. [2018-12-02 06:13:33,198 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 72 transitions. Word has length 20 [2018-12-02 06:13:33,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:13:33,198 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 72 transitions. [2018-12-02 06:13:33,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-02 06:13:33,198 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 72 transitions. [2018-12-02 06:13:33,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 06:13:33,199 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:13:33,199 INFO L402 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:13:33,199 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:13:33,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:33,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1629998095, now seen corresponding path program 2 times [2018-12-02 06:13:33,199 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 06:13:33,199 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/bin-2019/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 06:13:33,212 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-12-02 06:13:33,305 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-02 06:13:33,305 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 06:13:33,310 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:14:04,585 WARN L180 SmtUtils]: Spent 31.27 s on a formula simplification. DAG size of input: 110 DAG size of output: 84 [2018-12-02 06:14:05,432 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:05,433 INFO L303 Elim1Store]: Index analysis took 847 ms [2018-12-02 06:14:05,433 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 38 [2018-12-02 06:14:06,341 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:06,699 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:06,700 INFO L303 Elim1Store]: Index analysis took 1241 ms [2018-12-02 06:14:06,701 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 42 [2018-12-02 06:14:07,305 INFO L303 Elim1Store]: Index analysis took 603 ms [2018-12-02 06:14:07,305 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 36 [2018-12-02 06:14:07,305 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 06:14:10,595 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:14:13,562 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:14:25,825 INFO L303 Elim1Store]: Index analysis took 2067 ms [2018-12-02 06:14:25,825 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 33 [2018-12-02 06:14:25,973 INFO L303 Elim1Store]: Index analysis took 147 ms [2018-12-02 06:14:25,974 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-12-02 06:14:26,631 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:27,185 INFO L303 Elim1Store]: Index analysis took 1210 ms [2018-12-02 06:14:27,185 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-02 06:14:27,185 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-02 06:14:28,747 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:14:33,172 INFO L303 Elim1Store]: Index analysis took 1445 ms [2018-12-02 06:14:33,173 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 33 [2018-12-02 06:14:33,271 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2018-12-02 06:14:33,272 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-02 06:14:34,162 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:14:35,083 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:14:38,825 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:14:39,042 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:14:41,619 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:41,782 INFO L303 Elim1Store]: Index analysis took 672 ms [2018-12-02 06:14:41,782 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 73 [2018-12-02 06:14:41,820 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-12-02 06:14:41,885 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2018-12-02 06:14:41,885 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-02 06:14:42,456 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:14:43,421 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:43,953 INFO L303 Elim1Store]: Index analysis took 626 ms [2018-12-02 06:14:43,953 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 69 [2018-12-02 06:14:44,010 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 21 [2018-12-02 06:14:44,063 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:44,115 INFO L303 Elim1Store]: Index analysis took 103 ms [2018-12-02 06:14:44,115 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2018-12-02 06:14:44,166 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:44,214 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:44,230 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:44,379 INFO L303 Elim1Store]: Index analysis took 263 ms [2018-12-02 06:14:44,379 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 46 [2018-12-02 06:14:44,380 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-12-02 06:14:44,672 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:14:44,854 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:14:45,297 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:14:45,627 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:14:46,820 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:14:46,847 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:14:47,544 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:14:47,567 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:14:48,205 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:48,261 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 69 [2018-12-02 06:14:48,656 WARN L180 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-12-02 06:14:48,666 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-12-02 06:14:48,679 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:48,680 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-02 06:14:48,680 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-12-02 06:14:48,710 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:14:48,794 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:48,845 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 87 [2018-12-02 06:14:48,853 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 21 [2018-12-02 06:14:48,867 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2018-12-02 06:14:48,890 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 34 [2018-12-02 06:14:48,890 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-12-02 06:14:48,910 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:14:48,931 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:14:48,993 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:49,028 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 107 [2018-12-02 06:14:49,039 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 25 [2018-12-02 06:14:49,051 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:49,055 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 35 [2018-12-02 06:14:49,067 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:49,069 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:49,071 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:49,079 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 58 [2018-12-02 06:14:49,079 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-12-02 06:14:49,107 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:14:49,126 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:14:49,171 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:14:49,212 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:14:49,254 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:14:49,371 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 6 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:14:49,371 INFO L202 ElimStorePlain]: Needed 33 recursive calls to eliminate 11 variables, input treesize:235, output treesize:185 [2018-12-02 06:14:49,428 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:49,431 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:49,433 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:49,435 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:49,436 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 06:14:49,436 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 61 [2018-12-02 06:14:49,437 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 06:14:49,567 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:49,587 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:49,613 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 154 [2018-12-02 06:14:49,622 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-02 06:14:49,622 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 06:14:49,689 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:14:49,781 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:49,807 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 128 [2018-12-02 06:14:49,815 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-02 06:14:49,815 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 06:14:49,844 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:14:49,915 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:14:49,915 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:212, output treesize:193 [2018-12-02 06:14:50,006 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:50,056 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:50,071 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 167 [2018-12-02 06:14:50,083 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:50,088 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-12-02 06:14:50,088 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 06:14:50,167 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:14:50,277 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:50,310 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 141 [2018-12-02 06:14:50,320 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:50,323 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2018-12-02 06:14:50,323 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 06:14:50,356 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:14:50,422 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-12-02 06:14:50,422 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:231, output treesize:193 [2018-12-02 06:14:50,591 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:50,604 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 98 [2018-12-02 06:14:50,611 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-02 06:14:50,611 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 06:14:50,639 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:50,640 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-12-02 06:14:50,640 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 06:14:50,657 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-12-02 06:14:50,657 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 06:14:50,664 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:14:50,710 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-12-02 06:14:50,710 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:200, output treesize:132 [2018-12-02 06:14:50,765 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:50,771 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:50,778 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 84 [2018-12-02 06:14:50,785 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:50,802 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2018-12-02 06:14:50,802 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 06:14:50,830 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-02 06:14:50,830 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 06:14:50,852 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:14:50,853 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-12-02 06:14:50,853 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 06:14:50,866 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2018-12-02 06:14:50,866 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 06:14:50,872 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:14:50,878 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:14:50,879 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:133, output treesize:4 [2018-12-02 06:14:50,904 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:14:50,904 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:14:50,997 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:14:51,006 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:14:51,026 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:14:51,032 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:14:51,038 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-02 06:14:51,038 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:57, output treesize:46 [2018-12-02 06:14:59,748 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-12-02 06:14:59,758 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:14:59,760 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:14:59,760 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d677435f-48be-4130-91f4-5a8d79cee13a/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:14:59,766 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-02 06:15:11,796 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-02 06:15:11,797 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 06:15:11,804 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:15:45,852 WARN L180 SmtUtils]: Spent 34.05 s on a formula simplification. DAG size of input: 112 DAG size of output: 86 [2018-12-02 06:15:46,218 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:15:46,219 INFO L303 Elim1Store]: Index analysis took 366 ms [2018-12-02 06:15:46,220 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 38 [2018-12-02 06:15:47,304 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:15:47,818 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:15:47,819 INFO L303 Elim1Store]: Index analysis took 1571 ms [2018-12-02 06:15:47,819 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 40 [2018-12-02 06:15:48,590 INFO L303 Elim1Store]: Index analysis took 770 ms [2018-12-02 06:15:48,590 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 34 [2018-12-02 06:15:48,591 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 06:15:53,049 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:15:57,964 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:16:07,511 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:16:07,783 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:16:15,726 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:16:16,248 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 06:16:20,610 INFO L303 Elim1Store]: Index analysis took 655 ms [2018-12-02 06:16:20,610 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 67 [2018-12-02 06:16:20,700 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-12-02 06:16:20,806 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:16:20,966 INFO L303 Elim1Store]: Index analysis took 265 ms [2018-12-02 06:16:20,966 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-02 06:16:20,967 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-12-02 06:16:21,946 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:16:23,597 INFO L303 Elim1Store]: Index analysis took 907 ms [2018-12-02 06:16:23,598 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 70 [2018-12-02 06:16:23,695 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2018-12-02 06:16:23,695 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-12-02 06:16:24,417 INFO L303 Elim1Store]: Index analysis took 144 ms [2018-12-02 06:16:24,418 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 44 [2018-12-02 06:16:24,481 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:16:24,578 INFO L303 Elim1Store]: Index analysis took 159 ms [2018-12-02 06:16:24,578 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2018-12-02 06:16:24,634 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:16:24,672 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:16:24,708 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:16:24,962 INFO L303 Elim1Store]: Index analysis took 382 ms [2018-12-02 06:16:24,962 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 50 [2018-12-02 06:16:24,963 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-12-02 06:16:25,484 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 06:16:25,927 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 22 [2018-12-02 06:16:25,980 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:16:26,039 INFO L303 Elim1Store]: Index analysis took 110 ms [2018-12-02 06:16:26,039 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 32 [2018-12-02 06:16:26,142 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:16:26,190 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:16:26,225 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:16:26,312 INFO L303 Elim1Store]: Index analysis took 272 ms [2018-12-02 06:16:26,313 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 46 [2018-12-02 06:16:26,374 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:16:26,396 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:16:26,423 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 06:16:26,521 INFO L303 Elim1Store]: Index analysis took 206 ms [2018-12-02 06:16:26,722 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:16:26,723 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_arrayElimArr_86 input size 18 context size 18 output size 18 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-02 06:16:26,727 INFO L168 Benchmark]: Toolchain (without parser) took 585705.62 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 253.2 MB). Free memory was 939.3 MB in the beginning and 859.7 MB in the end (delta: 79.6 MB). Peak memory consumption was 332.8 MB. Max. memory is 11.5 GB. [2018-12-02 06:16:26,728 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:16:26,728 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -185.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-12-02 06:16:26,728 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:16:26,729 INFO L168 Benchmark]: Boogie Preprocessor took 23.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-02 06:16:26,729 INFO L168 Benchmark]: RCFGBuilder took 2294.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. [2018-12-02 06:16:26,729 INFO L168 Benchmark]: TraceAbstraction took 583091.44 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 109.6 MB). Free memory was 1.1 GB in the beginning and 859.7 MB in the end (delta: 212.7 MB). Peak memory consumption was 322.3 MB. Max. memory is 11.5 GB. [2018-12-02 06:16:26,731 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 273.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -185.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2294.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 583091.44 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 109.6 MB). Free memory was 1.1 GB in the beginning and 859.7 MB in the end (delta: 212.7 MB). Peak memory consumption was 322.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimArr_86 input size 18 context size 18 output size 18 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimArr_86 input size 18 context size 18 output size 18: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...