./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 109d156101f4cfba3ce2d0d8043b4202b4256b37 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 109d156101f4cfba3ce2d0d8043b4202b4256b37 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimArr_86 input size 18 context size 18 output size 18 --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 09:20:30,293 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 09:20:30,294 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 09:20:30,301 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 09:20:30,301 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 09:20:30,301 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 09:20:30,302 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 09:20:30,303 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 09:20:30,304 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 09:20:30,304 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 09:20:30,304 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 09:20:30,305 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 09:20:30,305 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 09:20:30,305 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 09:20:30,306 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 09:20:30,306 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 09:20:30,307 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 09:20:30,308 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 09:20:30,309 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 09:20:30,309 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 09:20:30,310 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 09:20:30,311 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 09:20:30,312 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 09:20:30,312 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 09:20:30,312 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 09:20:30,312 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 09:20:30,313 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 09:20:30,313 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 09:20:30,314 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 09:20:30,314 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 09:20:30,314 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 09:20:30,314 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 09:20:30,315 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 09:20:30,315 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 09:20:30,315 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 09:20:30,315 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 09:20:30,316 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 09:20:30,323 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 09:20:30,323 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 09:20:30,323 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 09:20:30,323 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 09:20:30,324 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 09:20:30,324 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 09:20:30,324 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 09:20:30,324 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 09:20:30,324 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 09:20:30,324 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 09:20:30,324 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 09:20:30,324 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 09:20:30,324 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 09:20:30,325 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 09:20:30,325 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 09:20:30,325 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 09:20:30,325 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 09:20:30,325 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 09:20:30,325 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 09:20:30,325 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 09:20:30,325 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 09:20:30,325 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 09:20:30,325 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 09:20:30,326 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 09:20:30,326 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 09:20:30,326 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 09:20:30,326 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 09:20:30,326 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 09:20:30,326 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 09:20:30,326 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 09:20:30,326 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 09:20:30,326 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 09:20:30,326 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 09:20:30,326 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 09:20:30,327 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 09:20:30,327 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 09:20:30,327 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_1ac9309a-d290-494d-a4af-8bcf25e5ad50/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 109d156101f4cfba3ce2d0d8043b4202b4256b37 [2018-12-02 09:20:30,343 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 09:20:30,350 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 09:20:30,352 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 09:20:30,353 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 09:20:30,353 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 09:20:30,353 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/bin-2019/utaipan/../../sv-benchmarks/c/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-12-02 09:20:30,387 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/bin-2019/utaipan/data/2f2cf0df9/dc08726e68d84445bfa5b6cb44f1b695/FLAGfecd489ec [2018-12-02 09:20:30,807 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 09:20:30,807 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/sv-benchmarks/c/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-12-02 09:20:30,813 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/bin-2019/utaipan/data/2f2cf0df9/dc08726e68d84445bfa5b6cb44f1b695/FLAGfecd489ec [2018-12-02 09:20:30,822 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/bin-2019/utaipan/data/2f2cf0df9/dc08726e68d84445bfa5b6cb44f1b695 [2018-12-02 09:20:30,823 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 09:20:30,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 09:20:30,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 09:20:30,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 09:20:30,827 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 09:20:30,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:20:30" (1/1) ... [2018-12-02 09:20:30,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672981cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:30, skipping insertion in model container [2018-12-02 09:20:30,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:20:30" (1/1) ... [2018-12-02 09:20:30,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 09:20:30,861 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 09:20:31,030 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 09:20:31,068 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 09:20:31,093 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 09:20:31,112 INFO L195 MainTranslator]: Completed translation [2018-12-02 09:20:31,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:31 WrapperNode [2018-12-02 09:20:31,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 09:20:31,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 09:20:31,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 09:20:31,113 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 09:20:31,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:31" (1/1) ... [2018-12-02 09:20:31,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:31" (1/1) ... [2018-12-02 09:20:31,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 09:20:31,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 09:20:31,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 09:20:31,132 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 09:20:31,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:31" (1/1) ... [2018-12-02 09:20:31,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:31" (1/1) ... [2018-12-02 09:20:31,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:31" (1/1) ... [2018-12-02 09:20:31,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:31" (1/1) ... [2018-12-02 09:20:31,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:31" (1/1) ... [2018-12-02 09:20:31,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:31" (1/1) ... [2018-12-02 09:20:31,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:31" (1/1) ... [2018-12-02 09:20:31,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 09:20:31,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 09:20:31,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 09:20:31,155 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 09:20:31,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/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 09:20:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 09:20:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 09:20:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 09:20:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 09:20:31,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 09:20:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 09:20:31,188 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 09:20:31,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 09:20:31,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 09:20:31,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 09:20:31,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 09:20:31,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 09:20:31,447 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 09:20:31,447 INFO L280 CfgBuilder]: Removed 15 assue(true) statements. [2018-12-02 09:20:31,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:20:31 BoogieIcfgContainer [2018-12-02 09:20:31,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 09:20:31,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 09:20:31,448 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 09:20:31,450 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 09:20:31,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:20:30" (1/3) ... [2018-12-02 09:20:31,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38fe7588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:20:31, skipping insertion in model container [2018-12-02 09:20:31,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:31" (2/3) ... [2018-12-02 09:20:31,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38fe7588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:20:31, skipping insertion in model container [2018-12-02 09:20:31,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:20:31" (3/3) ... [2018-12-02 09:20:31,452 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-12-02 09:20:31,458 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 09:20:31,462 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-12-02 09:20:31,471 INFO L257 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2018-12-02 09:20:31,488 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 09:20:31,488 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 09:20:31,488 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 09:20:31,488 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 09:20:31,488 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 09:20:31,488 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 09:20:31,488 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 09:20:31,489 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 09:20:31,498 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2018-12-02 09:20:31,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 09:20:31,501 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:20:31,502 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 09:20:31,503 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:20:31,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:20:31,507 INFO L82 PathProgramCache]: Analyzing trace with hash -810975847, now seen corresponding path program 1 times [2018-12-02 09:20:31,508 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:20:31,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:20:31,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:20:31,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:20:31,540 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:20:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:20:31,599 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 09:20:31,601 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:20:31,601 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 09:20:31,601 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:20:31,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 09:20:31,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 09:20:31,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 09:20:31,612 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2018-12-02 09:20:31,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:20:31,625 INFO L93 Difference]: Finished difference Result 92 states and 146 transitions. [2018-12-02 09:20:31,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 09:20:31,626 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2018-12-02 09:20:31,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:20:31,631 INFO L225 Difference]: With dead ends: 92 [2018-12-02 09:20:31,631 INFO L226 Difference]: Without dead ends: 44 [2018-12-02 09:20:31,633 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 09:20:31,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-12-02 09:20:31,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-12-02 09:20:31,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-12-02 09:20:31,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2018-12-02 09:20:31,654 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 12 [2018-12-02 09:20:31,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:20:31,655 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2018-12-02 09:20:31,655 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 09:20:31,655 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2018-12-02 09:20:31,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 09:20:31,655 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:20:31,655 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 09:20:31,656 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:20:31,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:20:31,656 INFO L82 PathProgramCache]: Analyzing trace with hash 409991454, now seen corresponding path program 1 times [2018-12-02 09:20:31,656 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:20:31,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:20:31,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:20:31,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:20:31,657 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:20:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:20:31,710 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 09:20:31,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:20:31,711 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 09:20:31,711 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:20:31,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 09:20:31,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 09:20:31,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 09:20:31,712 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. Second operand 4 states. [2018-12-02 09:20:31,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:20:31,763 INFO L93 Difference]: Finished difference Result 74 states and 88 transitions. [2018-12-02 09:20:31,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 09:20:31,763 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-12-02 09:20:31,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:20:31,764 INFO L225 Difference]: With dead ends: 74 [2018-12-02 09:20:31,764 INFO L226 Difference]: Without dead ends: 70 [2018-12-02 09:20:31,764 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 09:20:31,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-12-02 09:20:31,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 45. [2018-12-02 09:20:31,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-12-02 09:20:31,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 53 transitions. [2018-12-02 09:20:31,768 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 53 transitions. Word has length 12 [2018-12-02 09:20:31,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:20:31,768 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 53 transitions. [2018-12-02 09:20:31,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 09:20:31,769 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2018-12-02 09:20:31,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 09:20:31,769 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:20:31,769 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 09:20:31,769 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:20:31,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:20:31,769 INFO L82 PathProgramCache]: Analyzing trace with hash -138901270, now seen corresponding path program 1 times [2018-12-02 09:20:31,769 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:20:31,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:20:31,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:20:31,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:20:31,771 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:20:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:20:31,803 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 09:20:31,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:20:31,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 09:20:31,804 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:20:31,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 09:20:31,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 09:20:31,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 09:20:31,805 INFO L87 Difference]: Start difference. First operand 45 states and 53 transitions. Second operand 3 states. [2018-12-02 09:20:31,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:20:31,837 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2018-12-02 09:20:31,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 09:20:31,837 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-12-02 09:20:31,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:20:31,838 INFO L225 Difference]: With dead ends: 49 [2018-12-02 09:20:31,838 INFO L226 Difference]: Without dead ends: 47 [2018-12-02 09:20:31,838 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 09:20:31,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-12-02 09:20:31,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 43. [2018-12-02 09:20:31,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-12-02 09:20:31,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 51 transitions. [2018-12-02 09:20:31,841 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 51 transitions. Word has length 13 [2018-12-02 09:20:31,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:20:31,842 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 51 transitions. [2018-12-02 09:20:31,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 09:20:31,842 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2018-12-02 09:20:31,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 09:20:31,842 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:20:31,842 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 09:20:31,842 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:20:31,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:20:31,843 INFO L82 PathProgramCache]: Analyzing trace with hash -10936096, now seen corresponding path program 1 times [2018-12-02 09:20:31,843 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:20:31,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:20:31,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:20:31,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:20:31,844 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:20:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:20:31,999 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 09:20:31,999 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:20:31,999 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 09:20:31,999 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:20:31,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 09:20:31,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 09:20:32,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 09:20:32,000 INFO L87 Difference]: Start difference. First operand 43 states and 51 transitions. Second operand 5 states. [2018-12-02 09:20:32,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:20:32,086 INFO L93 Difference]: Finished difference Result 65 states and 78 transitions. [2018-12-02 09:20:32,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 09:20:32,086 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-12-02 09:20:32,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:20:32,088 INFO L225 Difference]: With dead ends: 65 [2018-12-02 09:20:32,088 INFO L226 Difference]: Without dead ends: 54 [2018-12-02 09:20:32,088 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 09:20:32,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-12-02 09:20:32,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 48. [2018-12-02 09:20:32,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-12-02 09:20:32,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 57 transitions. [2018-12-02 09:20:32,093 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 57 transitions. Word has length 14 [2018-12-02 09:20:32,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:20:32,093 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 57 transitions. [2018-12-02 09:20:32,093 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 09:20:32,093 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2018-12-02 09:20:32,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 09:20:32,093 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:20:32,093 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 09:20:32,094 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:20:32,094 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:20:32,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1135076446, now seen corresponding path program 1 times [2018-12-02 09:20:32,094 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:20:32,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:20:32,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:20:32,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:20:32,095 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:20:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:20:32,111 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 09:20:32,111 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:20:32,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 09:20:32,111 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 09:20:32,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 09:20:32,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 09:20:32,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 09:20:32,112 INFO L87 Difference]: Start difference. First operand 48 states and 57 transitions. Second operand 3 states. [2018-12-02 09:20:32,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:20:32,171 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2018-12-02 09:20:32,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 09:20:32,171 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-12-02 09:20:32,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:20:32,171 INFO L225 Difference]: With dead ends: 49 [2018-12-02 09:20:32,171 INFO L226 Difference]: Without dead ends: 47 [2018-12-02 09:20:32,172 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 09:20:32,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-12-02 09:20:32,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2018-12-02 09:20:32,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-12-02 09:20:32,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 55 transitions. [2018-12-02 09:20:32,175 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 55 transitions. Word has length 14 [2018-12-02 09:20:32,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:20:32,175 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 55 transitions. [2018-12-02 09:20:32,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 09:20:32,175 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2018-12-02 09:20:32,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 09:20:32,176 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:20:32,176 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 09:20:32,176 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:20:32,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:20:32,176 INFO L82 PathProgramCache]: Analyzing trace with hash 993366976, now seen corresponding path program 1 times [2018-12-02 09:20:32,176 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 09:20:32,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:20:32,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:20:32,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:20:32,177 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 09:20:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:20:32,338 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 09:20:32,338 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 09:20:32,338 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 09:20:32,339 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 20 with the following transitions: [2018-12-02 09:20:32,340 INFO L205 CegarAbsIntRunner]: [0], [1], [5], [10], [13], [116], [125], [132], [134], [138], [141], [142], [166], [170], [175], [181], [182], [183] [2018-12-02 09:20:32,362 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 09:20:32,362 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 09:20:32,487 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 09:20:32,487 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 09:20:32,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:20:32,494 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 09:20:32,494 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 09:20:32,494 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/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 09:20:32,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:20:32,501 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 09:20:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:20:32,530 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 09:20:33,458 WARN L180 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 78 [2018-12-02 09:20:33,478 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:20:33,481 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 09:20:33,506 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:20:33,510 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:20:33,511 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 09:20:33,511 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 09:20:33,608 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:20:33,748 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 09:20:33,766 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 09:20:33,979 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 09:20:33,986 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 09:20:33,997 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:20:34,009 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 09:20:34,009 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-02 09:20:34,043 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:20:34,101 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:20:34,146 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 09:20:34,151 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 09:20:34,152 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-12-02 09:20:34,221 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 56 treesize of output 58 [2018-12-02 09:20:34,230 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:20:34,235 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-12-02 09:20:34,236 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-12-02 09:20:34,277 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 17 treesize of output 20 [2018-12-02 09:20:34,492 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 09:20:34,493 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 09:20:34,497 INFO L168 Benchmark]: Toolchain (without parser) took 3672.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -137.8 MB). Peak memory consumption was 228.6 MB. Max. memory is 11.5 GB. [2018-12-02 09:20:34,498 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 09:20:34,498 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-02 09:20:34,499 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 09:20:34,499 INFO L168 Benchmark]: Boogie Preprocessor took 23.09 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 09:20:34,500 INFO L168 Benchmark]: RCFGBuilder took 292.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-12-02 09:20:34,500 INFO L168 Benchmark]: TraceAbstraction took 3047.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -38.8 MB). Peak memory consumption was 222.3 MB. Max. memory is 11.5 GB. [2018-12-02 09:20:34,505 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 288.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.09 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 292.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3047.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -38.8 MB). Peak memory consumption was 222.3 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_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 09:20:35,768 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 09:20:35,769 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 09:20:35,776 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 09:20:35,776 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 09:20:35,777 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 09:20:35,777 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 09:20:35,779 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 09:20:35,780 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 09:20:35,780 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 09:20:35,781 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 09:20:35,781 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 09:20:35,781 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 09:20:35,782 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 09:20:35,782 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 09:20:35,783 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 09:20:35,783 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 09:20:35,784 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 09:20:35,786 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 09:20:35,787 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 09:20:35,788 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 09:20:35,789 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 09:20:35,790 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 09:20:35,790 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 09:20:35,791 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 09:20:35,791 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 09:20:35,792 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 09:20:35,793 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 09:20:35,793 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 09:20:35,794 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 09:20:35,794 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 09:20:35,795 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 09:20:35,795 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 09:20:35,795 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 09:20:35,796 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 09:20:35,796 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 09:20:35,796 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 09:20:35,807 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 09:20:35,807 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 09:20:35,807 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 09:20:35,808 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 09:20:35,808 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 09:20:35,808 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 09:20:35,808 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 09:20:35,808 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 09:20:35,808 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 09:20:35,809 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 09:20:35,809 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 09:20:35,809 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 09:20:35,809 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 09:20:35,810 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 09:20:35,810 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 09:20:35,810 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 09:20:35,810 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 09:20:35,810 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 09:20:35,810 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 09:20:35,810 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 09:20:35,811 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 09:20:35,811 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 09:20:35,811 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 09:20:35,811 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 09:20:35,811 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 09:20:35,811 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 09:20:35,812 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 09:20:35,812 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 09:20:35,812 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 09:20:35,812 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 09:20:35,812 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 09:20:35,812 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 09:20:35,813 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 09:20:35,813 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 09:20:35,813 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 09:20:35,813 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_1ac9309a-d290-494d-a4af-8bcf25e5ad50/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 109d156101f4cfba3ce2d0d8043b4202b4256b37 [2018-12-02 09:20:35,834 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 09:20:35,843 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 09:20:35,846 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 09:20:35,847 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 09:20:35,848 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 09:20:35,848 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/bin-2019/utaipan/../../sv-benchmarks/c/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-12-02 09:20:35,884 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/bin-2019/utaipan/data/b5a3229b7/e8f8edf8cc444062a41f919218616073/FLAGce3ef6423 [2018-12-02 09:20:36,303 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 09:20:36,303 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/sv-benchmarks/c/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-12-02 09:20:36,309 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/bin-2019/utaipan/data/b5a3229b7/e8f8edf8cc444062a41f919218616073/FLAGce3ef6423 [2018-12-02 09:20:36,318 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/bin-2019/utaipan/data/b5a3229b7/e8f8edf8cc444062a41f919218616073 [2018-12-02 09:20:36,320 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 09:20:36,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 09:20:36,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 09:20:36,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 09:20:36,324 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 09:20:36,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:20:36" (1/1) ... [2018-12-02 09:20:36,327 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 09:20:36, skipping insertion in model container [2018-12-02 09:20:36,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:20:36" (1/1) ... [2018-12-02 09:20:36,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 09:20:36,358 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 09:20:36,511 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 09:20:36,518 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 09:20:36,585 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 09:20:36,611 INFO L195 MainTranslator]: Completed translation [2018-12-02 09:20:36,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:36 WrapperNode [2018-12-02 09:20:36,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 09:20:36,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 09:20:36,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 09:20:36,612 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 09:20:36,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:36" (1/1) ... [2018-12-02 09:20:36,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:36" (1/1) ... [2018-12-02 09:20:36,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 09:20:36,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 09:20:36,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 09:20:36,632 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 09:20:36,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:36" (1/1) ... [2018-12-02 09:20:36,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:36" (1/1) ... [2018-12-02 09:20:36,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:36" (1/1) ... [2018-12-02 09:20:36,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:36" (1/1) ... [2018-12-02 09:20:36,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:36" (1/1) ... [2018-12-02 09:20:36,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:36" (1/1) ... [2018-12-02 09:20:36,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:36" (1/1) ... [2018-12-02 09:20:36,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 09:20:36,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 09:20:36,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 09:20:36,655 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 09:20:36,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/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 09:20:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 09:20:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 09:20:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 09:20:36,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 09:20:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 09:20:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 09:20:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 09:20:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 09:20:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 09:20:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 09:20:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 09:20:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 09:20:38,938 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 09:20:38,938 INFO L280 CfgBuilder]: Removed 15 assue(true) statements. [2018-12-02 09:20:38,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:20:38 BoogieIcfgContainer [2018-12-02 09:20:38,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 09:20:38,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 09:20:38,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 09:20:38,941 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 09:20:38,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:20:36" (1/3) ... [2018-12-02 09:20:38,941 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 09:20:38, skipping insertion in model container [2018-12-02 09:20:38,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:20:36" (2/3) ... [2018-12-02 09:20:38,942 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 09:20:38, skipping insertion in model container [2018-12-02 09:20:38,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:20:38" (3/3) ... [2018-12-02 09:20:38,943 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-12-02 09:20:38,948 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 09:20:38,952 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-12-02 09:20:38,961 INFO L257 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2018-12-02 09:20:38,978 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 09:20:38,978 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 09:20:38,978 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 09:20:38,978 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 09:20:38,979 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 09:20:38,979 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 09:20:38,979 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 09:20:38,979 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 09:20:38,979 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 09:20:38,988 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2018-12-02 09:20:38,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 09:20:38,991 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:20:38,992 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 09:20:38,993 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:20:38,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:20:38,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1677476360, now seen corresponding path program 1 times [2018-12-02 09:20:38,999 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 09:20:38,999 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/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 09:20:39,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:20:39,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:20:39,058 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 09:20:39,083 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 09:20:39,083 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 09:20:39,086 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:20:39,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 09:20:39,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 09:20:39,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 09:20:39,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 09:20:39,098 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 4 states. [2018-12-02 09:20:39,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:20:39,211 INFO L93 Difference]: Finished difference Result 115 states and 191 transitions. [2018-12-02 09:20:39,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 09:20:39,213 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-12-02 09:20:39,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:20:39,219 INFO L225 Difference]: With dead ends: 115 [2018-12-02 09:20:39,219 INFO L226 Difference]: Without dead ends: 68 [2018-12-02 09:20:39,221 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 09:20:39,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-12-02 09:20:39,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 44. [2018-12-02 09:20:39,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-12-02 09:20:39,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2018-12-02 09:20:39,247 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 52 transitions. Word has length 11 [2018-12-02 09:20:39,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:20:39,247 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 52 transitions. [2018-12-02 09:20:39,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 09:20:39,247 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2018-12-02 09:20:39,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 09:20:39,248 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:20:39,248 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 09:20:39,248 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:20:39,248 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:20:39,248 INFO L82 PathProgramCache]: Analyzing trace with hash 498425151, now seen corresponding path program 1 times [2018-12-02 09:20:39,249 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 09:20:39,249 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/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 09:20:39,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:20:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:20:39,300 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 09:20:39,308 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 09:20:39,308 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 09:20:39,310 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:20:39,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 09:20:39,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 09:20:39,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 09:20:39,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 09:20:39,311 INFO L87 Difference]: Start difference. First operand 44 states and 52 transitions. Second operand 3 states. [2018-12-02 09:20:39,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:20:39,381 INFO L93 Difference]: Finished difference Result 47 states and 56 transitions. [2018-12-02 09:20:39,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 09:20:39,382 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-12-02 09:20:39,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:20:39,383 INFO L225 Difference]: With dead ends: 47 [2018-12-02 09:20:39,383 INFO L226 Difference]: Without dead ends: 45 [2018-12-02 09:20:39,384 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 09:20:39,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-12-02 09:20:39,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2018-12-02 09:20:39,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-02 09:20:39,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2018-12-02 09:20:39,387 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 12 [2018-12-02 09:20:39,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:20:39,388 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2018-12-02 09:20:39,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 09:20:39,388 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2018-12-02 09:20:39,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 09:20:39,388 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:20:39,388 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 09:20:39,388 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:20:39,389 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:20:39,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1728653526, now seen corresponding path program 1 times [2018-12-02 09:20:39,389 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 09:20:39,389 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/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 09:20:39,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:20:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:20:39,492 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 09:22:20,736 WARN L180 SmtUtils]: Spent 1.69 m on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2018-12-02 09:22:21,222 INFO L303 Elim1Store]: Index analysis took 480 ms [2018-12-02 09:22:21,225 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 09:22:21,225 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 09:22:57,076 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 09:23:00,771 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 09:23:00,773 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 09:23:03,448 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 09:23:32,579 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 09:23:37,188 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 09:23:37,190 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 09:23:38,496 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 09:24:15,824 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 09:24:17,161 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 09:24:17,164 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 09:24:19,442 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 09:24:58,279 INFO L303 Elim1Store]: Index analysis took 206 ms [2018-12-02 09:24:58,280 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 09:24:58,311 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 09:24:58,363 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:24:58,388 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 09:24:58,389 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-12-02 09:24:58,667 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:25:02,787 INFO L303 Elim1Store]: Index analysis took 360 ms [2018-12-02 09:25:02,788 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 09:25:02,838 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 09:25:02,916 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:25:02,997 INFO L303 Elim1Store]: Index analysis took 157 ms [2018-12-02 09:25:02,998 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 47 [2018-12-02 09:25:03,150 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:25:03,270 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:25:03,303 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:25:03,722 INFO L303 Elim1Store]: Index analysis took 722 ms [2018-12-02 09:25:03,723 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 39 treesize of output 61 [2018-12-02 09:25:03,724 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-12-02 09:25:04,032 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:25:04,273 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:25:04,948 INFO L303 Elim1Store]: Index analysis took 231 ms [2018-12-02 09:25:04,949 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 09:25:04,985 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:25:04,996 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:25:05,046 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:25:05,297 INFO L303 Elim1Store]: Index analysis took 345 ms [2018-12-02 09:25:05,334 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 09:25:05,336 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 8 xjuncts. [2018-12-02 09:25:06,816 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-12-02 09:25:08,013 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 09:25:20,713 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 09:25:21,425 INFO L303 Elim1Store]: Index analysis took 711 ms [2018-12-02 09:25:21,426 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 09:25:21,498 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2018-12-02 09:25:21,660 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:25:21,755 INFO L303 Elim1Store]: Index analysis took 256 ms [2018-12-02 09:25:21,756 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 09:25:21,756 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-12-02 09:25:22,696 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:25:28,478 INFO L303 Elim1Store]: Index analysis took 1811 ms [2018-12-02 09:25:28,479 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 09:25:28,505 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 09:25:28,505 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-12-02 09:25:29,769 INFO L303 Elim1Store]: Index analysis took 191 ms [2018-12-02 09:25:29,770 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 09:25:29,770 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-12-02 09:25:30,801 INFO L303 Elim1Store]: Index analysis took 478 ms [2018-12-02 09:25:30,820 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 09:25:30,938 INFO L303 Elim1Store]: Index analysis took 114 ms [2018-12-02 09:25:30,938 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 09:25:30,939 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-12-02 09:25:32,511 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:25:32,554 INFO L303 Elim1Store]: Index analysis took 150 ms [2018-12-02 09:25:32,554 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 09:25:32,642 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:25:32,692 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:25:32,708 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:25:32,894 INFO L303 Elim1Store]: Index analysis took 338 ms [2018-12-02 09:25:32,894 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 09:25:32,895 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-12-02 09:25:33,526 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:25:34,728 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:25:34,828 INFO L303 Elim1Store]: Index analysis took 140 ms [2018-12-02 09:25:34,829 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 09:25:34,829 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-12-02 09:25:36,006 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:25:36,042 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:25:36,152 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:25:36,495 INFO L303 Elim1Store]: Index analysis took 672 ms [2018-12-02 09:25:36,496 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 09:25:36,496 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-12-02 09:25:37,717 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:25:37,758 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 09:25:37,831 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:25:37,850 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:25:37,868 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:25:38,124 INFO L303 Elim1Store]: Index analysis took 364 ms [2018-12-02 09:25:38,125 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 09:25:38,125 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-12-02 09:25:38,494 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:25:39,301 INFO L267 ElimStorePlain]: Start of recursive call 30: 5 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-02 09:25:39,991 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 09:25:44,465 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 09:26:04,907 INFO L303 Elim1Store]: Index analysis took 206 ms [2018-12-02 09:26:04,908 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 09:26:04,917 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 09:26:04,928 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:04,949 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 09:26:04,949 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:05,031 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:05,198 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 09:26:05,206 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 09:26:05,235 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:05,262 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 09:26:05,298 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:05,324 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:05,345 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:05,432 INFO L303 Elim1Store]: Index analysis took 168 ms [2018-12-02 09:26:05,433 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 09:26:05,433 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:05,561 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:05,666 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:05,847 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 09:26:05,860 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:05,863 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:05,881 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:05,968 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 09:26:05,972 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-12-02 09:26:05,973 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:06,359 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:06,363 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:06,367 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:06,367 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 09:26:06,406 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 09:26:06,417 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:06,424 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:06,428 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:06,474 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 09:26:06,474 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:06,537 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:07,240 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:07,245 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:07,251 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:07,258 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:07,262 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:07,321 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 09:26:07,341 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:07,348 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:07,353 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:07,357 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:07,365 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:07,372 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:07,379 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:07,454 INFO L303 Elim1Store]: Index analysis took 129 ms [2018-12-02 09:26:07,455 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 09:26:07,456 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:07,573 INFO L267 ElimStorePlain]: Start of recursive call 50: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:07,851 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:07,853 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:07,853 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 09:26:07,856 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:07,867 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 09:26:07,874 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:07,875 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:07,876 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 09:26:07,884 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 09:26:07,885 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:07,918 INFO L267 ElimStorePlain]: Start of recursive call 52: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:08,196 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:08,198 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:08,216 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:08,294 INFO L303 Elim1Store]: Index analysis took 110 ms [2018-12-02 09:26:08,318 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 09:26:08,328 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:08,330 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:08,331 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 09:26:08,333 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:08,336 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:08,352 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 09:26:08,353 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:08,537 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:08,540 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:08,559 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:08,620 INFO L303 Elim1Store]: Index analysis took 117 ms [2018-12-02 09:26:08,646 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 09:26:08,647 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 2 xjuncts. [2018-12-02 09:26:08,866 INFO L267 ElimStorePlain]: Start of recursive call 54: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 09:26:09,503 INFO L267 ElimStorePlain]: Start of recursive call 46: 8 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-12-02 09:26:09,851 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2018-12-02 09:26:10,278 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 09:26:10,745 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 09:26:10,937 INFO L303 Elim1Store]: Index analysis took 191 ms [2018-12-02 09:26:10,937 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 09:26:10,978 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 09:26:11,006 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:11,051 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 09:26:11,052 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:11,130 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:11,467 INFO L303 Elim1Store]: Index analysis took 182 ms [2018-12-02 09:26:11,467 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 09:26:11,477 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 09:26:11,477 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:11,593 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 09:26:11,601 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:11,605 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 09:26:11,605 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:11,706 INFO L267 ElimStorePlain]: Start of recursive call 62: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-02 09:26:11,801 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 09:26:11,810 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:11,815 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 09:26:11,829 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:11,833 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:11,838 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:11,853 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 09:26:11,853 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:11,884 INFO L267 ElimStorePlain]: Start of recursive call 65: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:11,927 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 14 treesize of output 17 [2018-12-02 09:26:11,942 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 09:26:11,964 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 09:26:11,964 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:11,983 INFO L267 ElimStorePlain]: Start of recursive call 68: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:12,002 INFO L267 ElimStorePlain]: Start of recursive call 67: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:12,046 INFO L267 ElimStorePlain]: Start of recursive call 64: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:12,064 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 09:26:12,073 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:12,080 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 09:26:12,092 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:12,095 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:12,097 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:12,107 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 09:26:12,108 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:12,146 INFO L267 ElimStorePlain]: Start of recursive call 71: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:12,197 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 09:26:12,211 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 09:26:12,237 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 09:26:12,238 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:12,265 INFO L267 ElimStorePlain]: Start of recursive call 74: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:12,291 INFO L267 ElimStorePlain]: Start of recursive call 73: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:12,336 INFO L267 ElimStorePlain]: Start of recursive call 70: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:12,446 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 09:26:12,566 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 09:26:13,723 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 09:26:13,735 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:13,740 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:13,748 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:13,806 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 09:26:13,819 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:13,821 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:13,831 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:13,881 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 09:26:13,882 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 4 xjuncts. [2018-12-02 09:26:14,088 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:14,089 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:14,090 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:14,091 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 09:26:14,098 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 09:26:14,098 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:14,368 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:14,369 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:14,371 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:14,372 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:14,374 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:14,381 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 09:26:14,381 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:14,519 INFO L267 ElimStorePlain]: Start of recursive call 77: 4 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-12-02 09:26:14,659 INFO L267 ElimStorePlain]: Start of recursive call 76: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-12-02 09:26:14,695 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 09:26:14,702 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:14,711 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 09:26:14,720 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:14,724 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:14,727 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:14,738 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 09:26:14,738 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:14,759 INFO L267 ElimStorePlain]: Start of recursive call 82: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:14,791 INFO L267 ElimStorePlain]: Start of recursive call 81: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:14,816 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 09:26:14,821 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:14,822 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 09:26:14,826 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 09:26:14,832 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:14,835 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 09:26:14,836 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:14,847 INFO L267 ElimStorePlain]: Start of recursive call 85: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:14,875 INFO L267 ElimStorePlain]: Start of recursive call 84: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:14,935 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 09:26:14,950 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:14,953 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:14,960 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:14,985 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 09:26:14,995 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:15,000 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:15,004 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:15,008 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:15,011 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:15,028 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 09:26:15,028 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:15,055 INFO L267 ElimStorePlain]: Start of recursive call 88: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:15,100 INFO L267 ElimStorePlain]: Start of recursive call 87: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:15,129 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 09:26:15,136 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 09:26:15,143 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 09:26:15,143 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:15,155 INFO L267 ElimStorePlain]: Start of recursive call 91: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:15,186 INFO L267 ElimStorePlain]: Start of recursive call 90: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:15,211 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 09:26:15,217 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:15,219 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:15,220 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 09:26:15,227 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 09:26:15,233 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:15,241 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 09:26:15,241 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:15,261 INFO L267 ElimStorePlain]: Start of recursive call 94: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:15,288 INFO L267 ElimStorePlain]: Start of recursive call 93: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:15,963 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 09:26:15,963 INFO L202 ElimStorePlain]: Needed 95 recursive calls to eliminate 10 variables, input treesize:212, output treesize:4316 [2018-12-02 09:26:17,505 WARN L180 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 181 DAG size of output: 109 [2018-12-02 09:26:18,212 WARN L180 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-12-02 09:26:18,246 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 09:26:18,252 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:18,254 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 09:26:18,255 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 09:26:18,353 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:18,355 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 09:26:18,356 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 09:26:18,435 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 09:26:18,435 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:18,507 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 09:26:18,507 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:18,565 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 09:26:19,175 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:19,177 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 09:26:19,180 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 09:26:19,181 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 09:26:19,200 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:19,200 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 09:26:19,200 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:19,211 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 09:26:19,750 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 09:26:19,753 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:19,754 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 09:26:19,754 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:19,774 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 09:26:19,774 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 09:26:19,788 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 09:26:20,293 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:20,295 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:20,296 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 09:26:20,301 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:20,302 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:20,309 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 09:26:20,309 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 09:26:20,329 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 09:26:20,329 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:20,337 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:20,821 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 09:26:20,823 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 09:26:20,823 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:20,834 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:20,835 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 09:26:20,835 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:20,841 INFO L267 ElimStorePlain]: Start of recursive call 16: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:21,258 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 09:26:21,262 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:21,264 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 09:26:21,264 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 09:26:21,290 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 09:26:21,291 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:21,308 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 09:26:21,710 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 09:26:21,716 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:21,717 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 09:26:21,717 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:21,760 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 09:26:21,760 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:21,799 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:21,800 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 09:26:21,800 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:21,825 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 09:26:21,825 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:21,841 INFO L267 ElimStorePlain]: Start of recursive call 22: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:21,849 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 09:26:21,853 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:21,854 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 09:26:21,854 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:21,867 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 09:26:21,867 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:21,875 INFO L267 ElimStorePlain]: Start of recursive call 27: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:22,136 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:22,138 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 09:26:22,142 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 09:26:22,142 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 09:26:22,156 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 09:26:22,397 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 09:26:22,400 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 09:26:22,400 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:22,416 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:22,416 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 09:26:22,416 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:22,424 INFO L267 ElimStorePlain]: Start of recursive call 32: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:22,620 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 09:26:22,625 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 09:26:22,625 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:22,654 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:22,667 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 09:26:22,668 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 09:26:22,708 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 09:26:22,895 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:22,896 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:22,896 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 09:26:22,900 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:22,913 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 09:26:22,914 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:22,923 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:22,923 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 09:26:22,924 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:22,929 INFO L267 ElimStorePlain]: Start of recursive call 38: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:23,092 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:23,093 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:23,093 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 09:26:23,098 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:23,098 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:23,109 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:23,133 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 09:26:23,134 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 09:26:23,155 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 09:26:23,155 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:23,160 INFO L267 ElimStorePlain]: Start of recursive call 41: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:23,163 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 09:26:23,167 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 09:26:23,167 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 09:26:23,186 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:23,188 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 09:26:23,188 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:23,193 INFO L267 ElimStorePlain]: Start of recursive call 44: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:23,275 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 09:26:23,275 INFO L202 ElimStorePlain]: Needed 46 recursive calls to eliminate 20 variables, input treesize:691, output treesize:11 [2018-12-02 09:26:23,298 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 09:26:23,298 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 09:26:23,300 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:26:23,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 09:26:23,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 09:26:23,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 09:26:23,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 09:26:23,301 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand 5 states. [2018-12-02 09:26:26,964 WARN L180 SmtUtils]: Spent 2.71 s on a formula simplification that was a NOOP. DAG size: 192 [2018-12-02 09:26:30,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:26:30,379 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2018-12-02 09:26:30,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 09:26:30,380 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-12-02 09:26:30,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:26:30,381 INFO L225 Difference]: With dead ends: 46 [2018-12-02 09:26:30,381 INFO L226 Difference]: Without dead ends: 31 [2018-12-02 09:26:30,382 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 09:26:30,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-12-02 09:26:30,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2018-12-02 09:26:30,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-12-02 09:26:30,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2018-12-02 09:26:30,385 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 13 [2018-12-02 09:26:30,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:26:30,385 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2018-12-02 09:26:30,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 09:26:30,385 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2018-12-02 09:26:30,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 09:26:30,385 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:26:30,385 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 09:26:30,385 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:26:30,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:26:30,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1442173420, now seen corresponding path program 1 times [2018-12-02 09:26:30,386 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 09:26:30,386 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/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 09:26:30,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:26:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:26:30,421 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 09:26:30,424 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 09:26:30,424 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 09:26:30,426 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:26:30,426 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 09:26:30,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 09:26:30,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 09:26:30,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 09:26:30,426 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand 3 states. [2018-12-02 09:26:31,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:26:31,921 INFO L93 Difference]: Finished difference Result 31 states and 37 transitions. [2018-12-02 09:26:31,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 09:26:31,922 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-12-02 09:26:31,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:26:31,922 INFO L225 Difference]: With dead ends: 31 [2018-12-02 09:26:31,922 INFO L226 Difference]: Without dead ends: 29 [2018-12-02 09:26:31,922 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 09:26:31,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-12-02 09:26:31,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2018-12-02 09:26:31,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-12-02 09:26:31,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2018-12-02 09:26:31,926 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 13 [2018-12-02 09:26:31,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:26:31,926 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2018-12-02 09:26:31,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 09:26:31,926 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2018-12-02 09:26:31,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 09:26:31,926 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:26:31,926 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 09:26:31,927 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:26:31,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:26:31,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1987574280, now seen corresponding path program 1 times [2018-12-02 09:26:31,927 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 09:26:31,927 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/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 09:26:31,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:26:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:26:32,021 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 09:26:33,129 WARN L180 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 76 [2018-12-02 09:26:33,175 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:33,177 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 09:26:33,255 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:33,268 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:33,269 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 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 09:26:33,373 INFO L303 Elim1Store]: Index analysis took 102 ms [2018-12-02 09:26:33,373 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 09:26:33,373 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:33,897 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:34,344 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:35,405 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 09:26:35,439 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 09:26:36,146 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 09:26:36,223 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 09:26:37,195 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 09:26:37,251 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 09:26:38,001 INFO L303 Elim1Store]: Index analysis took 108 ms [2018-12-02 09:26:38,002 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 09:26:38,015 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 09:26:38,050 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:38,067 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 09:26:38,097 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:38,106 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:38,129 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:38,167 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 09:26:38,167 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:38,252 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:38,309 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:38,450 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 09:26:38,465 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 25 [2018-12-02 09:26:38,477 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:38,485 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 09:26:38,504 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:38,508 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:38,512 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:38,531 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 09:26:38,531 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:38,566 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:38,593 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:38,639 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:38,689 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 09:26:38,896 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 09:26:38,911 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 09:26:38,927 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:38,933 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 09:26:38,933 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:38,952 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:39,000 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:39,140 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 09:26:39,157 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:39,162 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 09:26:39,162 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:39,207 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:39,278 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 09:26:39,278 INFO L202 ElimStorePlain]: Needed 23 recursive calls to eliminate 11 variables, input treesize:152, output treesize:59 [2018-12-02 09:26:39,314 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:39,315 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:39,317 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:39,318 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 09:26:39,318 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2018-12-02 09:26:39,319 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:39,417 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 09:26:39,426 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 09:26:39,426 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:39,449 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:39,495 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 09:26:39,496 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:87, output treesize:59 [2018-12-02 09:26:39,590 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 09:26:39,598 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 09:26:39,599 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:39,633 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:39,682 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 09:26:39,682 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:72, output treesize:68 [2018-12-02 09:26:39,827 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 09:26:39,835 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2018-12-02 09:26:39,835 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:39,870 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 09:26:39,871 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:39,888 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 09:26:39,888 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:39,902 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 09:26:39,902 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:39,908 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:39,928 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 09:26:39,928 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:79, output treesize:7 [2018-12-02 09:26:39,955 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 09:26:39,955 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 09:26:39,957 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:26:39,957 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 09:26:39,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 09:26:39,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 09:26:39,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 09:26:39,958 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. Second operand 7 states. [2018-12-02 09:26:53,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:26:53,008 INFO L93 Difference]: Finished difference Result 87 states and 108 transitions. [2018-12-02 09:26:53,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 09:26:53,009 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-12-02 09:26:53,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:26:53,010 INFO L225 Difference]: With dead ends: 87 [2018-12-02 09:26:53,010 INFO L226 Difference]: Without dead ends: 65 [2018-12-02 09:26:53,011 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 09:26:53,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-12-02 09:26:53,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 37. [2018-12-02 09:26:53,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-12-02 09:26:53,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2018-12-02 09:26:53,016 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 19 [2018-12-02 09:26:53,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:26:53,016 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2018-12-02 09:26:53,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 09:26:53,016 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2018-12-02 09:26:53,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 09:26:53,017 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:26:53,017 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 09:26:53,017 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:26:53,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:26:53,017 INFO L82 PathProgramCache]: Analyzing trace with hash -315623446, now seen corresponding path program 1 times [2018-12-02 09:26:53,017 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 09:26:53,017 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/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 09:26:53,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:26:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:26:53,121 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 09:26:54,301 WARN L180 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2018-12-02 09:26:54,332 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:54,333 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 09:26:54,408 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:54,422 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:54,423 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 09:26:54,438 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 09:26:54,438 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:54,652 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:54,818 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:55,427 INFO L303 Elim1Store]: Index analysis took 163 ms [2018-12-02 09:26:55,427 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 09:26:55,443 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 09:26:55,465 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:55,466 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 09:26:55,467 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:55,553 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:55,782 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 09:26:55,792 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 09:26:55,792 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:55,826 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:55,858 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 09:26:56,027 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 09:26:56,043 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 09:26:56,191 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 09:26:56,197 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 09:26:56,204 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:56,208 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 09:26:56,208 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:56,230 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:56,313 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 09:26:56,323 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 09:26:56,332 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:56,336 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 09:26:56,345 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:56,348 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:56,349 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:56,355 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 09:26:56,355 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:56,377 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:56,395 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:56,429 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:56,461 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 09:26:56,521 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 09:26:56,522 INFO L202 ElimStorePlain]: Needed 18 recursive calls to eliminate 8 variables, input treesize:145, output treesize:134 [2018-12-02 09:26:56,569 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:56,572 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:56,574 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:56,574 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 09:26:56,575 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 09:26:56,575 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:56,677 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 09:26:56,683 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 09:26:56,684 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:56,725 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:56,781 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 09:26:56,782 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:150, output treesize:133 [2018-12-02 09:26:56,888 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 09:26:56,899 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:56,902 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 09:26:56,902 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:56,950 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:57,008 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 09:26:57,008 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:152, output treesize:133 [2018-12-02 09:26:57,670 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 09:26:57,677 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:57,678 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 09:26:57,678 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:57,720 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 09:26:57,721 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:57,749 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:57,752 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 09:26:57,752 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:57,763 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 09:26:57,763 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:57,768 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:57,775 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 09:26:57,776 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:135, output treesize:4 [2018-12-02 09:26:57,795 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 09:26:57,795 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 09:26:57,832 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 09:26:57,836 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 09:26:57,840 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 09:26:57,840 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:18 [2018-12-02 09:26:57,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 09:26:57,947 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 09:26:57,947 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/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 09:26:57,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:26:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:26:57,979 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 09:26:58,931 WARN L180 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 58 [2018-12-02 09:26:58,970 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:58,972 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 09:26:59,098 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:59,119 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:26:59,119 INFO L303 Elim1Store]: Index analysis took 107 ms [2018-12-02 09:26:59,120 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 09:26:59,135 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 09:26:59,136 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 09:26:59,345 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:26:59,591 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:27:00,081 INFO L303 Elim1Store]: Index analysis took 122 ms [2018-12-02 09:27:00,082 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 09:27:00,097 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 09:27:00,126 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:27:00,127 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 09:27:00,127 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-02 09:27:00,270 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:27:00,547 INFO L303 Elim1Store]: Index analysis took 137 ms [2018-12-02 09:27:00,547 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 09:27:00,563 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 09:27:00,564 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-02 09:27:00,605 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:27:00,639 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 09:27:00,790 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 09:27:00,801 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 09:27:00,955 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 09:27:00,962 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 09:27:00,969 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:27:00,974 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 09:27:00,975 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-02 09:27:00,994 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:27:01,074 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 09:27:01,082 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 09:27:01,091 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:27:01,095 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 09:27:01,103 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:27:01,105 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:27:01,107 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:27:01,114 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 09:27:01,114 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-12-02 09:27:01,139 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:27:01,156 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:27:01,196 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:27:01,232 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 09:27:01,302 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 09:27:01,302 INFO L202 ElimStorePlain]: Needed 18 recursive calls to eliminate 8 variables, input treesize:142, output treesize:130 [2018-12-02 09:27:01,392 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:27:01,394 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:27:01,395 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:27:01,397 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:27:01,398 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 09:27:01,398 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 09:27:01,506 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 09:27:01,515 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 09:27:01,515 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 09:27:01,563 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:27:01,617 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 09:27:01,617 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:148, output treesize:130 [2018-12-02 09:27:01,768 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 09:27:01,781 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:27:01,784 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 09:27:01,785 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 09:27:01,839 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:27:01,892 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 09:27:01,892 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:149, output treesize:130 [2018-12-02 09:27:02,091 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 09:27:02,097 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 09:27:02,097 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 09:27:02,144 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:27:02,145 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 09:27:02,145 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 09:27:02,176 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 09:27:02,176 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 09:27:02,203 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:27:02,205 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 09:27:02,205 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 09:27:02,211 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:27:02,217 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 09:27:02,217 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:137, output treesize:4 [2018-12-02 09:27:02,219 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 09:27:02,219 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 09:27:02,221 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 09:27:02,225 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 09:27:02,231 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 09:27:02,231 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:18 [2018-12-02 09:27:02,358 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 09:27:02,373 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-12-02 09:27:02,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7, 7] total 15 [2018-12-02 09:27:02,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-02 09:27:02,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-02 09:27:02,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2018-12-02 09:27:02,374 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand 15 states. [2018-12-02 09:27:08,580 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2018-12-02 09:27:11,047 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-12-02 09:27:11,347 WARN L180 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2018-12-02 09:27:17,715 WARN L180 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 100 [2018-12-02 09:27:21,302 WARN L180 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 44 [2018-12-02 09:27:23,278 WARN L180 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 39 [2018-12-02 09:27:25,640 WARN L180 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 42 [2018-12-02 09:27:28,373 WARN L180 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 36 [2018-12-02 09:27:30,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:27:30,800 INFO L93 Difference]: Finished difference Result 116 states and 147 transitions. [2018-12-02 09:27:30,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 09:27:30,800 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 20 [2018-12-02 09:27:30,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:27:30,801 INFO L225 Difference]: With dead ends: 116 [2018-12-02 09:27:30,801 INFO L226 Difference]: Without dead ends: 114 [2018-12-02 09:27:30,802 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 63 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=161, Invalid=439, Unknown=0, NotChecked=0, Total=600 [2018-12-02 09:27:30,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-12-02 09:27:30,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 59. [2018-12-02 09:27:30,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-12-02 09:27:30,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 72 transitions. [2018-12-02 09:27:30,811 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 72 transitions. Word has length 20 [2018-12-02 09:27:30,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:27:30,812 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 72 transitions. [2018-12-02 09:27:30,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-02 09:27:30,812 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 72 transitions. [2018-12-02 09:27:30,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 09:27:30,812 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 09:27:30,812 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 09:27:30,813 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 09:27:30,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:27:30,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1629998095, now seen corresponding path program 2 times [2018-12-02 09:27:30,813 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 09:27:30,813 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/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 09:27:30,826 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-12-02 09:27:30,919 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-02 09:27:30,919 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 09:27:30,924 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 09:28:01,614 WARN L180 SmtUtils]: Spent 30.69 s on a formula simplification. DAG size of input: 110 DAG size of output: 84 [2018-12-02 09:28:01,884 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:01,884 INFO L303 Elim1Store]: Index analysis took 269 ms [2018-12-02 09:28:01,885 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 09:28:02,788 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:02,895 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:02,895 INFO L303 Elim1Store]: Index analysis took 982 ms [2018-12-02 09:28:02,896 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 09:28:03,002 INFO L303 Elim1Store]: Index analysis took 105 ms [2018-12-02 09:28:03,003 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 09:28:03,003 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 09:28:07,141 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:28:13,019 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:28:26,501 INFO L303 Elim1Store]: Index analysis took 3099 ms [2018-12-02 09:28:26,502 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 09:28:26,733 INFO L303 Elim1Store]: Index analysis took 230 ms [2018-12-02 09:28:26,733 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 09:28:26,921 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:27,177 INFO L303 Elim1Store]: Index analysis took 443 ms [2018-12-02 09:28:27,178 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 09:28:27,178 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-02 09:28:29,121 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:28:32,422 INFO L303 Elim1Store]: Index analysis took 1572 ms [2018-12-02 09:28:32,422 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 09:28:32,582 INFO L303 Elim1Store]: Index analysis took 159 ms [2018-12-02 09:28:32,583 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 09:28:32,583 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-02 09:28:33,566 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:28:34,404 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 09:28:38,140 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 09:28:38,213 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 09:28:40,999 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:41,087 INFO L303 Elim1Store]: Index analysis took 837 ms [2018-12-02 09:28:41,088 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 09:28:41,129 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 09:28:41,170 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 09:28:41,170 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-02 09:28:41,536 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:28:42,323 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:42,995 INFO L303 Elim1Store]: Index analysis took 742 ms [2018-12-02 09:28:42,996 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 09:28:43,032 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 09:28:43,085 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:43,145 INFO L303 Elim1Store]: Index analysis took 112 ms [2018-12-02 09:28:43,145 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 09:28:43,191 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:43,228 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:43,243 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:43,334 INFO L303 Elim1Store]: Index analysis took 187 ms [2018-12-02 09:28:43,334 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 09:28:43,334 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-12-02 09:28:43,638 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:28:43,796 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:28:44,285 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:28:44,697 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 09:28:45,869 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 09:28:45,907 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 09:28:46,752 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 09:28:46,775 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 09:28:47,468 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:47,523 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 09:28:47,816 WARN L180 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-12-02 09:28:47,827 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 09:28:47,844 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:47,845 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 09:28:47,846 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-12-02 09:28:47,878 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:28:47,964 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:48,021 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 09:28:48,030 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 09:28:48,042 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 09:28:48,070 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 09:28:48,070 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-12-02 09:28:48,092 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:28:48,113 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:28:48,174 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:48,210 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 09:28:48,219 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 09:28:48,233 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:48,238 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 09:28:48,250 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:48,253 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:48,255 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:48,261 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 09:28:48,261 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-12-02 09:28:48,289 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:28:48,308 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:28:48,355 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:28:48,399 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 09:28:48,439 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 09:28:48,545 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 09:28:48,546 INFO L202 ElimStorePlain]: Needed 33 recursive calls to eliminate 11 variables, input treesize:235, output treesize:185 [2018-12-02 09:28:48,602 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:48,604 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:48,607 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:48,609 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:48,610 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 09:28:48,610 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 09:28:48,610 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 09:28:48,740 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:48,761 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:48,786 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 09:28:48,792 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 09:28:48,793 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 09:28:48,853 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:28:48,943 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:48,970 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 09:28:48,978 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 09:28:48,978 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 09:28:49,009 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:28:49,073 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 09:28:49,073 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:212, output treesize:193 [2018-12-02 09:28:49,156 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:49,200 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:49,212 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 09:28:49,223 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:49,227 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 09:28:49,227 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 09:28:49,306 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:28:49,421 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:49,456 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 09:28:49,465 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:49,469 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 09:28:49,469 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 09:28:49,500 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:28:49,567 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 09:28:49,567 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:231, output treesize:193 [2018-12-02 09:28:49,751 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:49,764 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 09:28:49,771 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-02 09:28:49,771 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 09:28:49,804 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:49,805 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 09:28:49,805 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 09:28:49,823 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 09:28:49,823 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 09:28:49,828 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:28:49,868 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 09:28:49,868 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:200, output treesize:132 [2018-12-02 09:28:49,919 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:49,925 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:49,931 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 09:28:49,939 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:49,956 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 09:28:49,957 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 09:28:49,985 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 09:28:49,985 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 09:28:50,009 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:28:50,009 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 09:28:50,010 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 09:28:50,022 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 09:28:50,022 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 09:28:50,027 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:28:50,033 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 09:28:50,033 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:133, output treesize:4 [2018-12-02 09:28:50,057 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 09:28:50,057 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 09:28:50,140 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 09:28:50,147 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 09:28:50,165 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 09:28:50,172 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 09:28:50,178 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 09:28:50,178 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:57, output treesize:46 [2018-12-02 09:28:55,202 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 09:28:55,204 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 09:28:55,204 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ac9309a-d290-494d-a4af-8bcf25e5ad50/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 09:28:55,210 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-02 09:29:07,238 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-02 09:29:07,238 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 09:29:07,245 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 09:29:38,250 WARN L180 SmtUtils]: Spent 31.00 s on a formula simplification. DAG size of input: 112 DAG size of output: 86 [2018-12-02 09:29:38,968 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:29:38,969 INFO L303 Elim1Store]: Index analysis took 718 ms [2018-12-02 09:29:38,970 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 09:29:40,049 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:29:40,427 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:29:40,428 INFO L303 Elim1Store]: Index analysis took 1428 ms [2018-12-02 09:29:40,428 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 09:29:40,716 INFO L303 Elim1Store]: Index analysis took 287 ms [2018-12-02 09:29:40,717 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 09:29:40,717 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 09:29:46,727 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:29:49,624 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:29:59,558 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 09:29:59,954 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 09:30:05,929 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 09:30:06,204 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 09:30:10,696 INFO L303 Elim1Store]: Index analysis took 1014 ms [2018-12-02 09:30:10,697 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 09:30:10,767 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 09:30:10,941 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:30:11,031 INFO L303 Elim1Store]: Index analysis took 263 ms [2018-12-02 09:30:11,032 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 09:30:11,032 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-12-02 09:30:11,913 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:30:13,250 INFO L303 Elim1Store]: Index analysis took 645 ms [2018-12-02 09:30:13,251 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 09:30:13,330 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 09:30:13,330 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-12-02 09:30:14,017 INFO L303 Elim1Store]: Index analysis took 124 ms [2018-12-02 09:30:14,017 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 09:30:14,075 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:30:14,136 INFO L303 Elim1Store]: Index analysis took 117 ms [2018-12-02 09:30:14,136 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 09:30:14,234 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:30:14,257 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:30:14,279 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:30:14,468 INFO L303 Elim1Store]: Index analysis took 331 ms [2018-12-02 09:30:14,469 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 09:30:14,469 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-12-02 09:30:14,916 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 09:30:15,483 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 09:30:15,550 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:30:15,595 INFO L303 Elim1Store]: Index analysis took 111 ms [2018-12-02 09:30:15,596 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 09:30:15,655 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:30:15,683 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:30:15,720 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:30:15,877 INFO L303 Elim1Store]: Index analysis took 280 ms [2018-12-02 09:30:15,877 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 09:30:15,928 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:30:15,951 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:30:15,995 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 09:30:16,109 INFO L303 Elim1Store]: Index analysis took 230 ms [2018-12-02 09:30:16,310 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 09:30:16,311 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 09:30:16,316 INFO L168 Benchmark]: Toolchain (without parser) took 579995.51 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 250.1 MB). Free memory was 939.4 MB in the beginning and 890.2 MB in the end (delta: 49.2 MB). Peak memory consumption was 299.3 MB. Max. memory is 11.5 GB. [2018-12-02 09:30:16,316 INFO L168 Benchmark]: CDTParser took 0.16 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 09:30:16,316 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -180.4 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2018-12-02 09:30:16,317 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.25 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 09:30:16,317 INFO L168 Benchmark]: Boogie Preprocessor took 22.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-02 09:30:16,317 INFO L168 Benchmark]: RCFGBuilder took 2283.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. [2018-12-02 09:30:16,318 INFO L168 Benchmark]: TraceAbstraction took 577375.59 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 111.1 MB). Free memory was 1.1 GB in the beginning and 890.2 MB in the end (delta: 182.9 MB). Peak memory consumption was 294.1 MB. Max. memory is 11.5 GB. [2018-12-02 09:30:16,319 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 289.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -180.4 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.25 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 22.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2283.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 577375.59 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 111.1 MB). Free memory was 1.1 GB in the beginning and 890.2 MB in the end (delta: 182.9 MB). Peak memory consumption was 294.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimArr_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...