./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/dll2n_prepend_unequal_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_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/list-simple/dll2n_prepend_unequal_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b10a804e0729604e263f2723af276809c7bd448 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/list-simple/dll2n_prepend_unequal_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b10a804e0729604e263f2723af276809c7bd448 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimArr_16 input size 13 context size 13 output size 13 --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 17:09:28,612 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 17:09:28,613 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 17:09:28,621 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 17:09:28,621 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 17:09:28,622 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 17:09:28,623 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 17:09:28,624 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 17:09:28,625 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 17:09:28,626 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 17:09:28,626 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 17:09:28,627 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 17:09:28,627 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 17:09:28,628 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 17:09:28,628 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 17:09:28,629 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 17:09:28,629 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 17:09:28,630 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 17:09:28,631 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 17:09:28,632 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 17:09:28,633 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 17:09:28,633 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 17:09:28,634 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 17:09:28,634 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 17:09:28,634 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 17:09:28,635 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 17:09:28,635 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 17:09:28,636 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 17:09:28,636 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 17:09:28,636 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 17:09:28,637 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 17:09:28,637 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 17:09:28,637 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 17:09:28,637 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 17:09:28,638 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 17:09:28,638 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 17:09:28,638 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 17:09:28,648 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 17:09:28,648 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 17:09:28,649 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 17:09:28,649 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 17:09:28,649 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 17:09:28,650 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 17:09:28,650 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 17:09:28,650 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 17:09:28,650 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 17:09:28,650 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 17:09:28,650 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 17:09:28,651 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 17:09:28,651 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 17:09:28,651 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 17:09:28,651 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 17:09:28,651 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 17:09:28,651 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 17:09:28,651 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 17:09:28,652 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 17:09:28,652 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 17:09:28,652 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 17:09:28,652 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 17:09:28,652 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 17:09:28,652 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:09:28,653 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 17:09:28,653 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 17:09:28,653 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 17:09:28,653 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 17:09:28,653 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 17:09:28,653 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 17:09:28,653 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_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer 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 -> Automizer 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 -> 1b10a804e0729604e263f2723af276809c7bd448 [2018-12-02 17:09:28,677 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 17:09:28,686 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 17:09:28,689 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 17:09:28,690 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 17:09:28,690 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 17:09:28,691 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/../../sv-benchmarks/c/list-simple/dll2n_prepend_unequal_true-unreach-call_true-valid-memsafety.i [2018-12-02 17:09:28,736 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/data/5e5de8436/d084acf074ee47559b7922299f29b5e3/FLAGe4196480c [2018-12-02 17:09:29,144 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 17:09:29,144 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/sv-benchmarks/c/list-simple/dll2n_prepend_unequal_true-unreach-call_true-valid-memsafety.i [2018-12-02 17:09:29,150 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/data/5e5de8436/d084acf074ee47559b7922299f29b5e3/FLAGe4196480c [2018-12-02 17:09:29,160 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/data/5e5de8436/d084acf074ee47559b7922299f29b5e3 [2018-12-02 17:09:29,163 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 17:09:29,164 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 17:09:29,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 17:09:29,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 17:09:29,168 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 17:09:29,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:09:29" (1/1) ... [2018-12-02 17:09:29,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@665b4d64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:29, skipping insertion in model container [2018-12-02 17:09:29,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:09:29" (1/1) ... [2018-12-02 17:09:29,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 17:09:29,199 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 17:09:29,367 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:09:29,409 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 17:09:29,435 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:09:29,456 INFO L195 MainTranslator]: Completed translation [2018-12-02 17:09:29,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:29 WrapperNode [2018-12-02 17:09:29,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 17:09:29,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 17:09:29,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 17:09:29,457 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 17:09:29,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:29" (1/1) ... [2018-12-02 17:09:29,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:29" (1/1) ... [2018-12-02 17:09:29,474 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 17:09:29,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 17:09:29,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 17:09:29,475 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 17:09:29,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:29" (1/1) ... [2018-12-02 17:09:29,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:29" (1/1) ... [2018-12-02 17:09:29,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:29" (1/1) ... [2018-12-02 17:09:29,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:29" (1/1) ... [2018-12-02 17:09:29,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:29" (1/1) ... [2018-12-02 17:09:29,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:29" (1/1) ... [2018-12-02 17:09:29,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:29" (1/1) ... [2018-12-02 17:09:29,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 17:09:29,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 17:09:29,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 17:09:29,494 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 17:09:29,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/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 17:09:29,525 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2018-12-02 17:09:29,526 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2018-12-02 17:09:29,526 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2018-12-02 17:09:29,526 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2018-12-02 17:09:29,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 17:09:29,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 17:09:29,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 17:09:29,526 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2018-12-02 17:09:29,526 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2018-12-02 17:09:29,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 17:09:29,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 17:09:29,527 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 17:09:29,527 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 17:09:29,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 17:09:29,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 17:09:29,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 17:09:29,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-02 17:09:29,527 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2018-12-02 17:09:29,527 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2018-12-02 17:09:29,527 INFO L130 BoogieDeclarations]: Found specification of procedure dll_prepend [2018-12-02 17:09:29,528 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_prepend [2018-12-02 17:09:29,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 17:09:29,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 17:09:29,721 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 17:09:29,722 INFO L280 CfgBuilder]: Removed 3 assue(true) statements. [2018-12-02 17:09:29,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:09:29 BoogieIcfgContainer [2018-12-02 17:09:29,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 17:09:29,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 17:09:29,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 17:09:29,725 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 17:09:29,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:09:29" (1/3) ... [2018-12-02 17:09:29,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@184895d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:09:29, skipping insertion in model container [2018-12-02 17:09:29,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:29" (2/3) ... [2018-12-02 17:09:29,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@184895d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:09:29, skipping insertion in model container [2018-12-02 17:09:29,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:09:29" (3/3) ... [2018-12-02 17:09:29,728 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2n_prepend_unequal_true-unreach-call_true-valid-memsafety.i [2018-12-02 17:09:29,736 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 17:09:29,741 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 17:09:29,749 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 17:09:29,766 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 17:09:29,766 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 17:09:29,766 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 17:09:29,766 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 17:09:29,766 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 17:09:29,766 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 17:09:29,766 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 17:09:29,766 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 17:09:29,766 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 17:09:29,777 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2018-12-02 17:09:29,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 17:09:29,782 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:09:29,782 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:09:29,784 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:09:29,788 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:09:29,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1465866964, now seen corresponding path program 1 times [2018-12-02 17:09:29,790 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:09:29,791 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:09:29,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:29,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:09:29,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:29,930 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 17:09:29,932 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:09:29,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:09:29,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:09:29,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:09:29,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:09:29,943 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 5 states. [2018-12-02 17:09:29,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:09:29,991 INFO L93 Difference]: Finished difference Result 97 states and 122 transitions. [2018-12-02 17:09:29,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 17:09:29,992 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-12-02 17:09:29,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:09:29,997 INFO L225 Difference]: With dead ends: 97 [2018-12-02 17:09:29,997 INFO L226 Difference]: Without dead ends: 42 [2018-12-02 17:09:29,999 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:09:30,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-02 17:09:30,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 38. [2018-12-02 17:09:30,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-12-02 17:09:30,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2018-12-02 17:09:30,022 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 29 [2018-12-02 17:09:30,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:09:30,023 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2018-12-02 17:09:30,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:09:30,023 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2018-12-02 17:09:30,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 17:09:30,023 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:09:30,023 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:09:30,024 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:09:30,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:09:30,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1899337803, now seen corresponding path program 1 times [2018-12-02 17:09:30,024 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:09:30,024 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:09:30,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:30,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:09:30,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:30,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:30,075 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:09:30,075 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/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 17:09:30,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:09:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:30,122 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:09:30,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:30,159 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 17:09:30,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-12-02 17:09:30,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:09:30,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:09:30,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:09:30,160 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand 6 states. [2018-12-02 17:09:30,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:09:30,192 INFO L93 Difference]: Finished difference Result 71 states and 82 transitions. [2018-12-02 17:09:30,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 17:09:30,192 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2018-12-02 17:09:30,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:09:30,193 INFO L225 Difference]: With dead ends: 71 [2018-12-02 17:09:30,193 INFO L226 Difference]: Without dead ends: 47 [2018-12-02 17:09:30,194 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:09:30,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-12-02 17:09:30,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 43. [2018-12-02 17:09:30,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-12-02 17:09:30,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 49 transitions. [2018-12-02 17:09:30,197 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 49 transitions. Word has length 34 [2018-12-02 17:09:30,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:09:30,197 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 49 transitions. [2018-12-02 17:09:30,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:09:30,197 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2018-12-02 17:09:30,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 17:09:30,198 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:09:30,198 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:09:30,198 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:09:30,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:09:30,198 INFO L82 PathProgramCache]: Analyzing trace with hash -271700684, now seen corresponding path program 2 times [2018-12-02 17:09:30,198 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:09:30,199 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:09:30,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:30,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:09:30,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:30,238 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:30,239 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:09:30,239 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 17:09:30,248 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-02 17:09:30,298 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-02 17:09:30,298 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 17:09:30,300 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:09:30,318 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:30,333 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 17:09:30,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-12-02 17:09:30,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:09:30,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:09:30,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:09:30,334 INFO L87 Difference]: Start difference. First operand 43 states and 49 transitions. Second operand 6 states. [2018-12-02 17:09:30,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:09:30,373 INFO L93 Difference]: Finished difference Result 73 states and 84 transitions. [2018-12-02 17:09:30,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 17:09:30,374 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2018-12-02 17:09:30,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:09:30,374 INFO L225 Difference]: With dead ends: 73 [2018-12-02 17:09:30,375 INFO L226 Difference]: Without dead ends: 44 [2018-12-02 17:09:30,375 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:09:30,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-12-02 17:09:30,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2018-12-02 17:09:30,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-12-02 17:09:30,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2018-12-02 17:09:30,378 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 39 [2018-12-02 17:09:30,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:09:30,379 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2018-12-02 17:09:30,379 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:09:30,379 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2018-12-02 17:09:30,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 17:09:30,379 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:09:30,379 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:09:30,380 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:09:30,380 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:09:30,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1533737650, now seen corresponding path program 1 times [2018-12-02 17:09:30,380 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:09:30,380 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:09:30,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:30,381 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 17:09:30,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:30,973 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:30,973 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:09:30,973 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 17:09:30,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:09:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:31,004 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:09:31,019 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 6 treesize of output 5 [2018-12-02 17:09:31,020 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 17:09:31,023 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:09:31,023 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-02 17:09:33,362 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:09:33,363 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:09:33,364 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:09:33,364 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 25 treesize of output 42 [2018-12-02 17:09:33,367 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 34 [2018-12-02 17:09:33,367 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 17:09:33,374 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:09:33,389 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:09:33,389 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:31 [2018-12-02 17:09:33,506 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-12-02 17:09:33,508 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 17:09:33,508 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 17:09:33,510 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:09:33,515 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:09:33,515 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:42, output treesize:38 [2018-12-02 17:09:33,611 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 17:09:33,614 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 17:09:33,632 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2018-12-02 17:09:33,635 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:09:33,637 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 17:09:33,638 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 17:09:33,642 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:09:33,650 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:09:33,651 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:80, output treesize:67 [2018-12-02 17:09:34,423 WARN L180 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-12-02 17:09:34,427 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 170 [2018-12-02 17:09:34,429 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 166 [2018-12-02 17:09:34,430 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 17:09:34,432 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 17:09:34,469 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 174 treesize of output 235 [2018-12-02 17:09:34,472 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 175 treesize of output 61 [2018-12-02 17:09:34,473 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 17:09:34,501 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 172 treesize of output 115 [2018-12-02 17:09:34,502 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-12-02 17:09:34,513 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:09:34,527 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-12-02 17:09:34,527 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:193, output treesize:84 [2018-12-02 17:09:34,907 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 92 [2018-12-02 17:09:34,909 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 17:09:34,909 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 17:09:34,919 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:09:34,921 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 47 [2018-12-02 17:09:34,923 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 17:09:34,923 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 17:09:34,930 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:09:34,962 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 88 [2018-12-02 17:09:34,964 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 17:09:34,964 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-02 17:09:34,972 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:09:34,975 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 43 [2018-12-02 17:09:34,977 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 17:09:34,977 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-02 17:09:34,983 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:09:35,007 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 84 [2018-12-02 17:09:35,010 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2018-12-02 17:09:35,010 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-12-02 17:09:35,016 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:09:35,045 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 66 [2018-12-02 17:09:35,048 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 51 treesize of output 39 [2018-12-02 17:09:35,048 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-12-02 17:09:35,072 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 46 [2018-12-02 17:09:35,072 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-12-02 17:09:35,085 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:09:35,106 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-12-02 17:09:35,106 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 7 variables, input treesize:146, output treesize:160 [2018-12-02 17:09:35,222 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:09:35,222 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:09:35,223 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:09:35,223 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:09:35,224 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 49 [2018-12-02 17:09:35,224 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 17:09:35,235 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2018-12-02 17:09:35,237 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 23 treesize of output 17 [2018-12-02 17:09:35,237 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 17:09:35,238 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:09:35,244 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:09:35,245 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 7 variables, input treesize:226, output treesize:30 [2018-12-02 17:09:35,281 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2018-12-02 17:09:35,283 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 27 [2018-12-02 17:09:35,283 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 17:09:35,288 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 17:09:35,293 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 23 treesize of output 19 [2018-12-02 17:09:35,295 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-12-02 17:09:35,295 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 17:09:35,299 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 17:09:35,311 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 15 treesize of output 11 [2018-12-02 17:09:35,312 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 17:09:35,312 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-02 17:09:35,313 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:09:35,316 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:09:35,317 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:42, output treesize:7 [2018-12-02 17:09:35,347 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:35,361 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 17:09:35,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21] total 37 [2018-12-02 17:09:35,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-12-02 17:09:35,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-12-02 17:09:35,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1227, Unknown=5, NotChecked=0, Total=1332 [2018-12-02 17:09:35,363 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand 37 states. [2018-12-02 17:09:43,272 WARN L180 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-12-02 17:09:44,326 WARN L180 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2018-12-02 17:09:45,351 WARN L180 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2018-12-02 17:09:48,925 WARN L180 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2018-12-02 17:09:50,329 WARN L180 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2018-12-02 17:09:52,709 WARN L180 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 95 DAG size of output: 82 [2018-12-02 17:09:52,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:09:52,899 INFO L93 Difference]: Finished difference Result 63 states and 71 transitions. [2018-12-02 17:09:52,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-02 17:09:52,899 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 39 [2018-12-02 17:09:52,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:09:52,901 INFO L225 Difference]: With dead ends: 63 [2018-12-02 17:09:52,901 INFO L226 Difference]: Without dead ends: 61 [2018-12-02 17:09:52,901 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 14.0s TimeCoverageRelationStatistics Valid=192, Invalid=2253, Unknown=5, NotChecked=0, Total=2450 [2018-12-02 17:09:52,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-12-02 17:09:52,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 55. [2018-12-02 17:09:52,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-12-02 17:09:52,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 62 transitions. [2018-12-02 17:09:52,908 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 62 transitions. Word has length 39 [2018-12-02 17:09:52,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:09:52,909 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 62 transitions. [2018-12-02 17:09:52,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-12-02 17:09:52,909 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2018-12-02 17:09:52,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 17:09:52,910 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:09:52,910 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:09:52,910 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:09:52,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:09:52,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1963327659, now seen corresponding path program 2 times [2018-12-02 17:09:52,910 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:09:52,910 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:09:52,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:52,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:09:52,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:52,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:52,952 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:52,952 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:09:52,952 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 17:09:52,958 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-02 17:09:52,998 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-02 17:09:52,998 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 17:09:53,000 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:09:53,005 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:53,020 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 17:09:53,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-12-02 17:09:53,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:09:53,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:09:53,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:09:53,021 INFO L87 Difference]: Start difference. First operand 55 states and 62 transitions. Second operand 7 states. [2018-12-02 17:09:53,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:09:53,046 INFO L93 Difference]: Finished difference Result 72 states and 80 transitions. [2018-12-02 17:09:53,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 17:09:53,046 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2018-12-02 17:09:53,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:09:53,046 INFO L225 Difference]: With dead ends: 72 [2018-12-02 17:09:53,046 INFO L226 Difference]: Without dead ends: 43 [2018-12-02 17:09:53,047 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:09:53,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-12-02 17:09:53,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-12-02 17:09:53,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-12-02 17:09:53,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2018-12-02 17:09:53,050 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 44 [2018-12-02 17:09:53,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:09:53,050 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions. [2018-12-02 17:09:53,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:09:53,051 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2018-12-02 17:09:53,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 17:09:53,051 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:09:53,051 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:09:53,051 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:09:53,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:09:53,051 INFO L82 PathProgramCache]: Analyzing trace with hash 748142339, now seen corresponding path program 1 times [2018-12-02 17:09:53,051 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:09:53,051 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:09:53,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:53,052 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 17:09:53,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:53,522 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:53,522 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:09:53,523 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 17:09:53,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:09:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:53,556 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:09:53,558 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 6 treesize of output 5 [2018-12-02 17:09:53,558 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 17:09:53,560 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:09:53,560 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-02 17:09:56,584 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:09:56,585 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:09:56,586 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:09:56,586 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 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 42 [2018-12-02 17:09:56,588 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 34 [2018-12-02 17:09:56,588 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 17:09:56,596 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:09:56,603 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:09:56,603 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:35 [2018-12-02 17:10:00,870 WARN L180 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 22 [2018-12-02 17:10:04,942 WARN L180 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 28 [2018-12-02 17:10:04,945 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 17:10:04,947 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 17:10:04,956 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-02 17:10:04,957 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:54, output treesize:60 [2018-12-02 17:10:06,161 WARN L180 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 33 [2018-12-02 17:10:06,166 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 205 treesize of output 203 [2018-12-02 17:10:06,168 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 203 treesize of output 201 [2018-12-02 17:10:06,169 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 17:10:06,173 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 17:10:06,187 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-12-02 17:10:06,187 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:217, output treesize:213 [2018-12-02 17:10:12,050 WARN L180 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 40 [2018-12-02 17:10:12,061 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-12-02 17:10:12,064 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 17:10:12,064 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:12,069 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:10:12,084 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-12-02 17:10:12,085 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:424, output treesize:445 [2018-12-02 17:10:48,366 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 61 [2018-12-02 17:10:48,372 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:10:48,373 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:10:48,375 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:10:48,377 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:10:48,377 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 25 treesize of output 37 [2018-12-02 17:10:48,378 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:48,414 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:10:48,416 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:10:48,450 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:10:48,456 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 234 [2018-12-02 17:10:48,526 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 118 [2018-12-02 17:10:48,530 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:10:48,530 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 118 treesize of output 108 [2018-12-02 17:10:48,534 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:10:48,535 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:10:48,536 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:10:48,539 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 100 treesize of output 119 [2018-12-02 17:10:48,539 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:48,555 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:10:48,566 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:10:48,596 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 85 [2018-12-02 17:10:48,599 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:10:48,600 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:10:48,603 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:10:48,610 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:10:48,614 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:10:48,634 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 12 case distinctions, treesize of input 81 treesize of output 134 [2018-12-02 17:10:48,635 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 8 xjuncts. [2018-12-02 17:10:48,730 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 61 treesize of output 52 [2018-12-02 17:10:48,731 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:48,733 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 59 treesize of output 50 [2018-12-02 17:10:48,733 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:48,735 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 61 treesize of output 52 [2018-12-02 17:10:48,736 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:48,738 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 61 treesize of output 52 [2018-12-02 17:10:48,738 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:48,778 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-12-02 17:10:48,840 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 89 [2018-12-02 17:10:48,842 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 40 treesize of output 34 [2018-12-02 17:10:48,843 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 17:10:48,856 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 17:10:48,859 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 93 [2018-12-02 17:10:48,861 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 40 treesize of output 34 [2018-12-02 17:10:48,862 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:10:48,875 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:10:48,878 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 91 [2018-12-02 17:10:48,880 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2018-12-02 17:10:48,881 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:10:48,894 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:10:48,897 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 91 [2018-12-02 17:10:48,899 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 40 treesize of output 34 [2018-12-02 17:10:48,900 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 17:10:48,913 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 17:10:49,040 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 110 treesize of output 132 [2018-12-02 17:10:49,043 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 133 treesize of output 132 [2018-12-02 17:10:49,043 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:49,089 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:10:49,096 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:10:49,100 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 118 treesize of output 132 [2018-12-02 17:10:49,103 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 86 [2018-12-02 17:10:49,103 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:49,118 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:10:49,158 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:10:49,173 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 110 treesize of output 132 [2018-12-02 17:10:49,176 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 133 treesize of output 132 [2018-12-02 17:10:49,176 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:49,223 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:10:49,228 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:10:49,229 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 116 treesize of output 133 [2018-12-02 17:10:49,231 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 64 [2018-12-02 17:10:49,231 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:49,246 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:10:49,281 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:10:49,288 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:10:49,292 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 118 treesize of output 132 [2018-12-02 17:10:49,295 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 86 [2018-12-02 17:10:49,295 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:49,310 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:10:49,335 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:10:49,350 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 110 treesize of output 132 [2018-12-02 17:10:49,353 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 123 treesize of output 122 [2018-12-02 17:10:49,354 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:49,400 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:10:49,406 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:10:49,410 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 118 treesize of output 132 [2018-12-02 17:10:49,413 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 86 [2018-12-02 17:10:49,413 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:49,429 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:10:49,463 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:10:49,478 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 108 treesize of output 130 [2018-12-02 17:10:49,481 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 131 treesize of output 130 [2018-12-02 17:10:49,481 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:49,527 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:10:49,533 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:10:49,537 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 116 treesize of output 130 [2018-12-02 17:10:49,539 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 86 [2018-12-02 17:10:49,540 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:49,555 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:10:49,587 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:10:49,655 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 3 dim-2 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2018-12-02 17:10:49,734 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 9 dim-0 vars, and 4 xjuncts. [2018-12-02 17:10:49,734 INFO L202 ElimStorePlain]: Needed 38 recursive calls to eliminate 7 variables, input treesize:495, output treesize:541 [2018-12-02 17:10:55,793 WARN L180 SmtUtils]: Spent 5.96 s on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2018-12-02 17:10:55,799 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 140 treesize of output 128 [2018-12-02 17:10:55,801 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 101 treesize of output 86 [2018-12-02 17:10:55,801 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:55,811 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:10:55,858 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 138 treesize of output 126 [2018-12-02 17:10:55,859 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 99 treesize of output 84 [2018-12-02 17:10:55,860 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:55,871 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:10:55,921 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 149 treesize of output 139 [2018-12-02 17:10:55,923 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 86 treesize of output 73 [2018-12-02 17:10:55,923 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:55,936 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:10:55,980 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 3 dim-2 vars, End of recursive call: 10 dim-0 vars, and 3 xjuncts. [2018-12-02 17:10:55,980 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 13 variables, input treesize:428, output treesize:351 [2018-12-02 17:10:56,096 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 5 new quantified variables, introduced 1 case distinctions, treesize of input 132 treesize of output 87 [2018-12-02 17:10:56,099 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:10:56,100 INFO L478 Elim1Store]: Elim1 did not use 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 64 [2018-12-02 17:10:56,100 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:56,122 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 56 treesize of output 53 [2018-12-02 17:10:56,123 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:56,144 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 68 treesize of output 62 [2018-12-02 17:10:56,144 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:56,160 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 53 treesize of output 41 [2018-12-02 17:10:56,161 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:56,173 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:10:56,212 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 5 new quantified variables, introduced 1 case distinctions, treesize of input 119 treesize of output 80 [2018-12-02 17:10:56,214 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 66 treesize of output 48 [2018-12-02 17:10:56,214 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:56,235 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 40 treesize of output 37 [2018-12-02 17:10:56,235 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:56,251 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 37 treesize of output 25 [2018-12-02 17:10:56,252 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:56,262 INFO L267 ElimStorePlain]: Start of recursive call 7: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:10:56,292 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 5 new quantified variables, introduced 1 case distinctions, treesize of input 117 treesize of output 78 [2018-12-02 17:10:56,294 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 59 treesize of output 41 [2018-12-02 17:10:56,294 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:56,314 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 64 treesize of output 61 [2018-12-02 17:10:56,315 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:56,330 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 35 treesize of output 29 [2018-12-02 17:10:56,331 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:56,343 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 49 treesize of output 41 [2018-12-02 17:10:56,343 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:56,354 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2018-12-02 17:10:56,354 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-12-02 17:10:56,360 INFO L267 ElimStorePlain]: Start of recursive call 11: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:10:56,373 INFO L267 ElimStorePlain]: Start of recursive call 1: 13 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:10:56,373 INFO L202 ElimStorePlain]: Needed 16 recursive calls to eliminate 16 variables, input treesize:369, output treesize:4 [2018-12-02 17:10:56,379 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:10:56,394 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 17:10:56,394 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 23] total 39 [2018-12-02 17:10:56,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-12-02 17:10:56,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-12-02 17:10:56,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1353, Unknown=28, NotChecked=0, Total=1482 [2018-12-02 17:10:56,395 INFO L87 Difference]: Start difference. First operand 43 states and 46 transitions. Second operand 39 states. [2018-12-02 17:11:51,433 WARN L180 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-12-02 17:12:02,936 WARN L180 SmtUtils]: Spent 5.36 s on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2018-12-02 17:12:14,130 WARN L180 SmtUtils]: Spent 5.09 s on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2018-12-02 17:12:26,553 WARN L180 SmtUtils]: Spent 4.31 s on a formula simplification. DAG size of input: 73 DAG size of output: 49 [2018-12-02 17:12:43,135 WARN L180 SmtUtils]: Spent 7.55 s on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2018-12-02 17:12:58,768 WARN L180 SmtUtils]: Spent 7.43 s on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2018-12-02 17:13:10,927 WARN L180 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 60 [2018-12-02 17:13:20,333 WARN L180 SmtUtils]: Spent 7.28 s on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2018-12-02 17:13:28,650 WARN L180 SmtUtils]: Spent 8.21 s on a formula simplification. DAG size of input: 170 DAG size of output: 164 [2018-12-02 17:13:35,809 WARN L180 SmtUtils]: Spent 7.04 s on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2018-12-02 17:13:35,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:35,879 INFO L93 Difference]: Finished difference Result 64 states and 69 transitions. [2018-12-02 17:13:35,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-02 17:13:35,880 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 41 [2018-12-02 17:13:35,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:35,881 INFO L225 Difference]: With dead ends: 64 [2018-12-02 17:13:35,881 INFO L226 Difference]: Without dead ends: 61 [2018-12-02 17:13:35,882 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 646 ImplicationChecksByTransitivity, 147.6s TimeCoverageRelationStatistics Valid=238, Invalid=3024, Unknown=44, NotChecked=0, Total=3306 [2018-12-02 17:13:35,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-12-02 17:13:35,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 44. [2018-12-02 17:13:35,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-12-02 17:13:35,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2018-12-02 17:13:35,889 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 41 [2018-12-02 17:13:35,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:35,889 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2018-12-02 17:13:35,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-12-02 17:13:35,889 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2018-12-02 17:13:35,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 17:13:35,890 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:35,890 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:13:35,890 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:35,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:35,891 INFO L82 PathProgramCache]: Analyzing trace with hash 748144013, now seen corresponding path program 1 times [2018-12-02 17:13:35,891 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:13:35,891 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:13:35,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:35,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:35,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:37,181 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 64 [2018-12-02 17:13:37,451 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 69 [2018-12-02 17:13:37,834 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:13:37,834 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:13:37,834 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 17:13:37,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:37,870 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:13:37,872 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 6 treesize of output 5 [2018-12-02 17:13:37,872 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 17:13:37,882 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:13:37,882 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-12-02 17:13:38,036 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 19 [2018-12-02 17:13:38,037 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 17:13:38,040 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:13:38,041 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 17:13:38,041 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 17:13:38,044 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:13:38,045 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:13:38,055 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2018-12-02 17:13:38,057 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:13:38,058 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 17:13:38,058 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 17:13:38,061 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:13:38,066 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:13:38,066 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:67, output treesize:33 [2018-12-02 17:13:38,128 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:13:38,135 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 27 treesize of output 28 [2018-12-02 17:13:38,139 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 17:13:38,139 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 17:13:38,145 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:13:38,156 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:13:38,157 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:52, output treesize:33 [2018-12-02 17:13:38,612 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:13:38,613 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:13:38,614 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:13:38,615 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 25 treesize of output 42 [2018-12-02 17:13:38,619 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 34 [2018-12-02 17:13:38,619 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 17:13:38,637 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:13:38,660 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:13:38,660 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:47, output treesize:47 [2018-12-02 17:13:38,921 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 17:13:38,925 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 17:13:38,942 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 17:13:38,945 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 17:13:38,956 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-12-02 17:13:38,956 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:105, output treesize:77 [2018-12-02 17:13:43,047 WARN L180 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 44 [2018-12-02 17:13:47,167 WARN L180 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 50 [2018-12-02 17:13:47,170 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 17:13:47,176 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 17:13:47,211 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 17:13:47,216 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 17:13:47,247 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2018-12-02 17:13:47,248 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:128, output treesize:140 [2018-12-02 17:13:49,398 WARN L180 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 61 [2018-12-02 17:13:49,401 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 17:13:49,413 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 17:13:49,476 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2018-12-02 17:13:49,477 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:808, output treesize:822 [2018-12-02 17:13:53,750 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 17:13:53,770 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 17:13:53,853 INFO L267 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 1 dim-2 vars, End of recursive call: 10 dim-0 vars, and 1 xjuncts. [2018-12-02 17:13:53,853 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 10 variables, input treesize:1341, output treesize:1437 [2018-12-02 17:14:20,593 WARN L180 SmtUtils]: Spent 6.30 s on a formula simplification. DAG size of input: 425 DAG size of output: 103 [2018-12-02 17:14:20,609 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:20,613 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:20,618 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:20,627 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:20,628 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 37 [2018-12-02 17:14:20,628 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:20,847 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:20,853 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:21,128 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:14:21,128 INFO L303 Elim1Store]: Index analysis took 294 ms [2018-12-02 17:14:21,129 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 629 treesize of output 443 [2018-12-02 17:14:21,461 WARN L180 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 100 [2018-12-02 17:14:21,467 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 120 treesize of output 102 [2018-12-02 17:14:21,490 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:21,490 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 102 treesize of output 92 [2018-12-02 17:14:21,519 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:21,523 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:21,532 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:21,551 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 84 treesize of output 103 [2018-12-02 17:14:21,551 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:21,696 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:21,786 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:22,046 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 324 treesize of output 360 [2018-12-02 17:14:22,054 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 351 treesize of output 350 [2018-12-02 17:14:22,055 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:22,484 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:22,529 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 326 treesize of output 324 [2018-12-02 17:14:22,535 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 301 treesize of output 278 [2018-12-02 17:14:22,536 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 17:14:22,627 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 17:14:22,914 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:22,921 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 314 treesize of output 319 [2018-12-02 17:14:22,928 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 282 treesize of output 290 [2018-12-02 17:14:22,928 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:22,995 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:23,154 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-12-02 17:14:23,439 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 340 treesize of output 326 [2018-12-02 17:14:23,448 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:23,452 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:23,466 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:23,539 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:14:23,559 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 12 case distinctions, treesize of input 65 treesize of output 108 [2018-12-02 17:14:23,560 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 8 xjuncts. [2018-12-02 17:14:23,921 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 57 treesize of output 46 [2018-12-02 17:14:23,921 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:23,928 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 55 treesize of output 44 [2018-12-02 17:14:23,928 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:23,934 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 55 treesize of output 44 [2018-12-02 17:14:23,934 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:23,939 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 55 treesize of output 44 [2018-12-02 17:14:23,939 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:24,182 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-12-02 17:14:24,195 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 319 treesize of output 305 [2018-12-02 17:14:24,202 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2018-12-02 17:14:24,203 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 17:14:24,332 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:24,335 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:24,348 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:24,421 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:14:24,439 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 12 case distinctions, treesize of input 53 treesize of output 96 [2018-12-02 17:14:24,439 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 8 xjuncts. [2018-12-02 17:14:24,810 INFO L267 ElimStorePlain]: Start of recursive call 19: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-12-02 17:14:25,860 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 300 treesize of output 288 [2018-12-02 17:14:25,866 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 221 treesize of output 207 [2018-12-02 17:14:25,867 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:14:25,973 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:14:25,985 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 300 treesize of output 286 [2018-12-02 17:14:26,000 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 221 treesize of output 207 [2018-12-02 17:14:26,001 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:14:26,119 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:14:26,129 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 317 treesize of output 289 [2018-12-02 17:14:26,134 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 252 treesize of output 293 [2018-12-02 17:14:26,135 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:26,206 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:26,218 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 302 treesize of output 288 [2018-12-02 17:14:26,223 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 221 treesize of output 207 [2018-12-02 17:14:26,224 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:14:26,319 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:14:26,336 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 319 treesize of output 291 [2018-12-02 17:14:26,344 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 252 treesize of output 293 [2018-12-02 17:14:26,344 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:26,424 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:26,436 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 317 treesize of output 289 [2018-12-02 17:14:26,443 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 252 treesize of output 293 [2018-12-02 17:14:26,444 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:26,517 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:26,529 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 300 treesize of output 286 [2018-12-02 17:14:26,534 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 221 treesize of output 207 [2018-12-02 17:14:26,535 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:14:26,625 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:14:26,638 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 317 treesize of output 291 [2018-12-02 17:14:26,645 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 252 treesize of output 293 [2018-12-02 17:14:26,646 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:26,742 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:36,689 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 3 dim-2 vars, End of recursive call: 4 dim-0 vars, and 8 xjuncts. [2018-12-02 17:14:48,861 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 330 treesize of output 311 [2018-12-02 17:14:48,865 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 31 treesize of output 34 [2018-12-02 17:14:48,871 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:48,872 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 34 treesize of output 44 [2018-12-02 17:14:48,878 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:48,880 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:48,883 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:48,890 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 58 [2018-12-02 17:14:48,895 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:48,897 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:48,899 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:48,900 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:48,902 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:48,903 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:14:48,913 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 38 treesize of output 90 [2018-12-02 17:14:48,913 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:48,953 INFO L267 ElimStorePlain]: Start of recursive call 41: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:48,976 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:48,992 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:49,102 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 244 treesize of output 244 [2018-12-02 17:14:49,107 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 20 treesize of output 19 [2018-12-02 17:14:49,107 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:49,170 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 211 treesize of output 228 [2018-12-02 17:14:49,177 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 206 [2018-12-02 17:14:49,177 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:49,208 INFO L267 ElimStorePlain]: Start of recursive call 45: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:49,232 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:49,283 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:49,349 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 317 treesize of output 298 [2018-12-02 17:14:49,540 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2018-12-02 17:14:49,544 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 31 treesize of output 34 [2018-12-02 17:14:49,550 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:49,551 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 34 treesize of output 44 [2018-12-02 17:14:49,557 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:49,559 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:49,560 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:49,567 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 36 treesize of output 58 [2018-12-02 17:14:49,576 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:49,581 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:49,584 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:49,586 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:49,589 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:49,589 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:14:49,607 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 38 treesize of output 90 [2018-12-02 17:14:49,608 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:49,636 INFO L267 ElimStorePlain]: Start of recursive call 50: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:49,651 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:49,665 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:49,818 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 203 treesize of output 262 [2018-12-02 17:14:49,823 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 256 treesize of output 255 [2018-12-02 17:14:49,823 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:50,046 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 1 case distinctions, treesize of input 205 treesize of output 234 [2018-12-02 17:14:50,051 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 200 [2018-12-02 17:14:50,052 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:50,082 INFO L267 ElimStorePlain]: Start of recursive call 54: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:50,167 INFO L267 ElimStorePlain]: Start of recursive call 52: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:50,219 INFO L267 ElimStorePlain]: Start of recursive call 47: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:50,268 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 332 treesize of output 313 [2018-12-02 17:14:50,272 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 31 treesize of output 34 [2018-12-02 17:14:50,279 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:50,279 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 34 treesize of output 44 [2018-12-02 17:14:50,288 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:50,291 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:50,294 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:50,301 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 36 treesize of output 58 [2018-12-02 17:14:50,309 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:50,311 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:50,318 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:50,348 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 2 case distinctions, treesize of input 38 treesize of output 96 [2018-12-02 17:14:50,348 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 2 xjuncts. [2018-12-02 17:14:50,454 INFO L267 ElimStorePlain]: Start of recursive call 59: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:14:50,541 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:14:50,602 INFO L267 ElimStorePlain]: Start of recursive call 57: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:14:50,768 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 265 treesize of output 265 [2018-12-02 17:14:50,773 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 20 treesize of output 19 [2018-12-02 17:14:50,773 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:50,856 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 232 treesize of output 245 [2018-12-02 17:14:50,863 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 252 [2018-12-02 17:14:50,863 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:50,902 INFO L267 ElimStorePlain]: Start of recursive call 63: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:50,938 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:50,969 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 259 treesize of output 259 [2018-12-02 17:14:50,974 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2018-12-02 17:14:50,974 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:51,053 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 221 treesize of output 234 [2018-12-02 17:14:51,061 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 252 [2018-12-02 17:14:51,061 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:51,095 INFO L267 ElimStorePlain]: Start of recursive call 67: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:51,126 INFO L267 ElimStorePlain]: Start of recursive call 65: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:51,277 INFO L267 ElimStorePlain]: Start of recursive call 56: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:14:51,342 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 317 treesize of output 298 [2018-12-02 17:14:51,538 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2018-12-02 17:14:51,541 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 31 treesize of output 34 [2018-12-02 17:14:51,547 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:51,547 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 34 treesize of output 44 [2018-12-02 17:14:51,555 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:51,557 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:51,559 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:51,566 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 36 treesize of output 60 [2018-12-02 17:14:51,573 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:51,576 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:51,578 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:51,588 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 40 treesize of output 68 [2018-12-02 17:14:51,588 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:51,612 INFO L267 ElimStorePlain]: Start of recursive call 72: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:51,630 INFO L267 ElimStorePlain]: Start of recursive call 71: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:51,647 INFO L267 ElimStorePlain]: Start of recursive call 70: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:51,781 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 205 treesize of output 264 [2018-12-02 17:14:51,785 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 258 treesize of output 257 [2018-12-02 17:14:51,786 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:52,044 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 213 treesize of output 230 [2018-12-02 17:14:52,052 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 197 [2018-12-02 17:14:52,052 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:52,088 INFO L267 ElimStorePlain]: Start of recursive call 76: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:52,262 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 1 case distinctions, treesize of input 207 treesize of output 236 [2018-12-02 17:14:52,268 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 200 [2018-12-02 17:14:52,268 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:52,308 INFO L267 ElimStorePlain]: Start of recursive call 78: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:52,353 INFO L267 ElimStorePlain]: Start of recursive call 74: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:52,414 INFO L267 ElimStorePlain]: Start of recursive call 69: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:52,449 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 330 treesize of output 311 [2018-12-02 17:14:52,455 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 31 treesize of output 34 [2018-12-02 17:14:52,464 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:52,465 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 34 treesize of output 44 [2018-12-02 17:14:52,470 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:52,472 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:52,474 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:52,480 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 36 treesize of output 60 [2018-12-02 17:14:52,488 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:52,490 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:52,492 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:52,504 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 40 treesize of output 68 [2018-12-02 17:14:52,504 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:52,528 INFO L267 ElimStorePlain]: Start of recursive call 83: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:52,547 INFO L267 ElimStorePlain]: Start of recursive call 82: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:52,562 INFO L267 ElimStorePlain]: Start of recursive call 81: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:52,685 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 246 treesize of output 246 [2018-12-02 17:14:52,689 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 20 treesize of output 19 [2018-12-02 17:14:52,690 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:52,748 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 213 treesize of output 230 [2018-12-02 17:14:52,755 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 206 [2018-12-02 17:14:52,755 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:52,785 INFO L267 ElimStorePlain]: Start of recursive call 87: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:52,815 INFO L267 ElimStorePlain]: Start of recursive call 85: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:52,867 INFO L267 ElimStorePlain]: Start of recursive call 80: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:52,927 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 330 treesize of output 311 [2018-12-02 17:14:52,933 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 31 treesize of output 34 [2018-12-02 17:14:52,944 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:52,944 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 34 treesize of output 44 [2018-12-02 17:14:52,952 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:52,954 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:52,957 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:52,965 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 36 treesize of output 60 [2018-12-02 17:14:52,972 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:52,974 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:52,976 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:52,978 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:52,979 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:14:52,990 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 40 treesize of output 90 [2018-12-02 17:14:52,990 INFO L267 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:53,029 INFO L267 ElimStorePlain]: Start of recursive call 92: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:53,055 INFO L267 ElimStorePlain]: Start of recursive call 91: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:53,074 INFO L267 ElimStorePlain]: Start of recursive call 90: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:53,219 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 246 treesize of output 246 [2018-12-02 17:14:53,224 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 20 treesize of output 19 [2018-12-02 17:14:53,224 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:53,302 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 213 treesize of output 230 [2018-12-02 17:14:53,309 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 206 [2018-12-02 17:14:53,309 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:53,342 INFO L267 ElimStorePlain]: Start of recursive call 96: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:53,371 INFO L267 ElimStorePlain]: Start of recursive call 94: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:53,429 INFO L267 ElimStorePlain]: Start of recursive call 89: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:53,492 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 317 treesize of output 298 [2018-12-02 17:14:53,696 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2018-12-02 17:14:53,700 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 34 [2018-12-02 17:14:53,711 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:53,712 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 34 treesize of output 44 [2018-12-02 17:14:53,718 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:53,721 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:53,723 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:53,732 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 36 treesize of output 60 [2018-12-02 17:14:53,741 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:53,743 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:53,743 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:14:53,746 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:53,761 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 40 treesize of output 82 [2018-12-02 17:14:53,761 INFO L267 ElimStorePlain]: Start of recursive call 102: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:53,793 INFO L267 ElimStorePlain]: Start of recursive call 101: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:53,816 INFO L267 ElimStorePlain]: Start of recursive call 100: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:53,840 INFO L267 ElimStorePlain]: Start of recursive call 99: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:53,994 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 205 treesize of output 264 [2018-12-02 17:14:53,999 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 258 treesize of output 257 [2018-12-02 17:14:54,000 INFO L267 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:54,224 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 213 treesize of output 230 [2018-12-02 17:14:54,232 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 197 [2018-12-02 17:14:54,233 INFO L267 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:54,271 INFO L267 ElimStorePlain]: Start of recursive call 105: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:54,438 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 1 case distinctions, treesize of input 207 treesize of output 236 [2018-12-02 17:14:54,446 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 200 [2018-12-02 17:14:54,446 INFO L267 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:54,489 INFO L267 ElimStorePlain]: Start of recursive call 107: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:54,537 INFO L267 ElimStorePlain]: Start of recursive call 103: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:54,624 INFO L267 ElimStorePlain]: Start of recursive call 98: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:54,676 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 319 treesize of output 300 [2018-12-02 17:14:54,900 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2018-12-02 17:14:54,906 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 31 treesize of output 34 [2018-12-02 17:14:54,914 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:54,915 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 34 treesize of output 44 [2018-12-02 17:14:54,924 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:54,926 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:54,932 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:54,947 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 58 [2018-12-02 17:14:54,955 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:54,959 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:54,978 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:14:55,017 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 2 case distinctions, treesize of input 38 treesize of output 96 [2018-12-02 17:14:55,017 INFO L267 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 2 xjuncts. [2018-12-02 17:14:55,174 INFO L267 ElimStorePlain]: Start of recursive call 112: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:14:55,293 INFO L267 ElimStorePlain]: Start of recursive call 111: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:14:55,389 INFO L267 ElimStorePlain]: Start of recursive call 110: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:14:55,651 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 218 treesize of output 277 [2018-12-02 17:14:55,655 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 271 treesize of output 270 [2018-12-02 17:14:55,656 INFO L267 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:55,926 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 226 treesize of output 239 [2018-12-02 17:14:55,934 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 243 [2018-12-02 17:14:55,934 INFO L267 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:55,978 INFO L267 ElimStorePlain]: Start of recursive call 116: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:56,176 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 1 case distinctions, treesize of input 220 treesize of output 245 [2018-12-02 17:14:56,183 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 196 treesize of output 246 [2018-12-02 17:14:56,183 INFO L267 ElimStorePlain]: Start of recursive call 119: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:56,228 INFO L267 ElimStorePlain]: Start of recursive call 118: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:56,293 INFO L267 ElimStorePlain]: Start of recursive call 114: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:56,383 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 224 treesize of output 283 [2018-12-02 17:14:56,388 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 277 treesize of output 276 [2018-12-02 17:14:56,388 INFO L267 ElimStorePlain]: Start of recursive call 121: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:56,689 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 232 treesize of output 245 [2018-12-02 17:14:56,696 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 243 [2018-12-02 17:14:56,696 INFO L267 ElimStorePlain]: Start of recursive call 123: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:56,740 INFO L267 ElimStorePlain]: Start of recursive call 122: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:56,948 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 1 case distinctions, treesize of input 226 treesize of output 251 [2018-12-02 17:14:56,955 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 196 treesize of output 246 [2018-12-02 17:14:56,955 INFO L267 ElimStorePlain]: Start of recursive call 125: End of recursive call: and 1 xjuncts. [2018-12-02 17:14:56,999 INFO L267 ElimStorePlain]: Start of recursive call 124: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:57,071 INFO L267 ElimStorePlain]: Start of recursive call 120: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:14:57,260 INFO L267 ElimStorePlain]: Start of recursive call 109: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:15:03,248 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 305 treesize of output 286 [2018-12-02 17:15:03,252 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 27 treesize of output 30 [2018-12-02 17:15:03,255 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:03,257 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 30 treesize of output 40 [2018-12-02 17:15:03,261 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:03,262 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:03,263 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:03,266 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 32 treesize of output 56 [2018-12-02 17:15:03,270 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:03,271 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:03,271 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:15:03,272 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:03,279 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 36 treesize of output 71 [2018-12-02 17:15:03,280 INFO L267 ElimStorePlain]: Start of recursive call 130: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:03,291 INFO L267 ElimStorePlain]: Start of recursive call 129: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:03,299 INFO L267 ElimStorePlain]: Start of recursive call 128: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:03,305 INFO L267 ElimStorePlain]: Start of recursive call 127: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:03,348 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 132 treesize of output 100 [2018-12-02 17:15:03,352 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:03,354 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 32 treesize of output 55 [2018-12-02 17:15:03,354 INFO L267 ElimStorePlain]: Start of recursive call 132: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:03,376 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 93 treesize of output 122 [2018-12-02 17:15:03,379 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 17:15:03,379 INFO L267 ElimStorePlain]: Start of recursive call 134: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:03,395 INFO L267 ElimStorePlain]: Start of recursive call 133: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:03,402 INFO L267 ElimStorePlain]: Start of recursive call 131: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:03,431 INFO L267 ElimStorePlain]: Start of recursive call 126: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:03,468 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 305 treesize of output 286 [2018-12-02 17:15:03,575 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2018-12-02 17:15:03,578 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 27 treesize of output 30 [2018-12-02 17:15:03,582 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:03,584 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 30 treesize of output 40 [2018-12-02 17:15:03,588 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:03,589 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:03,591 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:03,596 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 32 treesize of output 56 [2018-12-02 17:15:03,600 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:03,601 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:03,601 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:15:03,602 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:03,609 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 36 treesize of output 71 [2018-12-02 17:15:03,610 INFO L267 ElimStorePlain]: Start of recursive call 139: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:03,622 INFO L267 ElimStorePlain]: Start of recursive call 138: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:03,630 INFO L267 ElimStorePlain]: Start of recursive call 137: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:03,638 INFO L267 ElimStorePlain]: Start of recursive call 136: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:03,708 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 3 case distinctions, treesize of input 94 treesize of output 159 [2018-12-02 17:15:03,712 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 142 treesize of output 137 [2018-12-02 17:15:03,712 INFO L267 ElimStorePlain]: Start of recursive call 141: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:03,784 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:03,785 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 95 treesize of output 118 [2018-12-02 17:15:03,785 INFO L267 ElimStorePlain]: Start of recursive call 142: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:03,846 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 134 [2018-12-02 17:15:03,848 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 17:15:03,849 INFO L267 ElimStorePlain]: Start of recursive call 144: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:03,863 INFO L267 ElimStorePlain]: Start of recursive call 143: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:03,913 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 102 treesize of output 131 [2018-12-02 17:15:03,916 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 17:15:03,916 INFO L267 ElimStorePlain]: Start of recursive call 146: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:03,929 INFO L267 ElimStorePlain]: Start of recursive call 145: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:03,982 INFO L267 ElimStorePlain]: Start of recursive call 140: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:15:04,056 INFO L267 ElimStorePlain]: Start of recursive call 135: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:15:04,083 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 305 treesize of output 286 [2018-12-02 17:15:04,089 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 27 treesize of output 30 [2018-12-02 17:15:04,099 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:04,103 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 30 treesize of output 40 [2018-12-02 17:15:04,110 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:04,112 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:04,114 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:04,122 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 32 treesize of output 56 [2018-12-02 17:15:04,129 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:04,130 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:04,132 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:04,142 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 36 treesize of output 64 [2018-12-02 17:15:04,143 INFO L267 ElimStorePlain]: Start of recursive call 151: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:04,155 INFO L267 ElimStorePlain]: Start of recursive call 150: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:04,162 INFO L267 ElimStorePlain]: Start of recursive call 149: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:04,169 INFO L267 ElimStorePlain]: Start of recursive call 148: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:04,209 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 132 treesize of output 100 [2018-12-02 17:15:04,213 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:04,214 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 32 treesize of output 55 [2018-12-02 17:15:04,214 INFO L267 ElimStorePlain]: Start of recursive call 153: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:04,235 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 93 treesize of output 122 [2018-12-02 17:15:04,238 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 17:15:04,238 INFO L267 ElimStorePlain]: Start of recursive call 155: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:04,248 INFO L267 ElimStorePlain]: Start of recursive call 154: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:04,254 INFO L267 ElimStorePlain]: Start of recursive call 152: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:04,282 INFO L267 ElimStorePlain]: Start of recursive call 147: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:04,317 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 334 treesize of output 315 [2018-12-02 17:15:04,424 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2018-12-02 17:15:04,427 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 27 treesize of output 30 [2018-12-02 17:15:04,430 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:04,432 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 30 treesize of output 40 [2018-12-02 17:15:04,437 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:04,438 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:04,439 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:04,444 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 32 treesize of output 56 [2018-12-02 17:15:04,448 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:04,449 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:04,450 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:04,458 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 36 treesize of output 64 [2018-12-02 17:15:04,458 INFO L267 ElimStorePlain]: Start of recursive call 160: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:04,471 INFO L267 ElimStorePlain]: Start of recursive call 159: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:04,479 INFO L267 ElimStorePlain]: Start of recursive call 158: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:04,486 INFO L267 ElimStorePlain]: Start of recursive call 157: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:04,556 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 3 case distinctions, treesize of input 94 treesize of output 159 [2018-12-02 17:15:04,561 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:04,563 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 139 treesize of output 162 [2018-12-02 17:15:04,563 INFO L267 ElimStorePlain]: Start of recursive call 162: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:04,636 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 98 treesize of output 93 [2018-12-02 17:15:04,637 INFO L267 ElimStorePlain]: Start of recursive call 163: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:04,700 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 1 case distinctions, treesize of input 90 treesize of output 131 [2018-12-02 17:15:04,702 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 17:15:04,703 INFO L267 ElimStorePlain]: Start of recursive call 165: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:04,716 INFO L267 ElimStorePlain]: Start of recursive call 164: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:04,775 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 134 [2018-12-02 17:15:04,778 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 17:15:04,779 INFO L267 ElimStorePlain]: Start of recursive call 167: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:04,792 INFO L267 ElimStorePlain]: Start of recursive call 166: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:04,812 INFO L267 ElimStorePlain]: Start of recursive call 161: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:15:04,864 INFO L267 ElimStorePlain]: Start of recursive call 156: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:15:04,905 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 340 treesize of output 321 [2018-12-02 17:15:05,019 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2018-12-02 17:15:05,021 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 27 treesize of output 30 [2018-12-02 17:15:05,024 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:05,026 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 30 treesize of output 40 [2018-12-02 17:15:05,029 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:05,030 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:05,031 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:05,035 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 32 treesize of output 54 [2018-12-02 17:15:05,039 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:05,040 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:05,042 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:05,064 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 34 treesize of output 93 [2018-12-02 17:15:05,065 INFO L267 ElimStorePlain]: Start of recursive call 172: End of recursive call: and 8 xjuncts. [2018-12-02 17:15:05,132 INFO L267 ElimStorePlain]: Start of recursive call 171: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-12-02 17:15:05,173 INFO L267 ElimStorePlain]: Start of recursive call 170: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-12-02 17:15:05,211 INFO L267 ElimStorePlain]: Start of recursive call 169: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-12-02 17:15:05,313 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 3 case distinctions, treesize of input 99 treesize of output 164 [2018-12-02 17:15:05,317 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:05,318 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 144 treesize of output 167 [2018-12-02 17:15:05,319 INFO L267 ElimStorePlain]: Start of recursive call 174: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:05,397 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 103 treesize of output 98 [2018-12-02 17:15:05,397 INFO L267 ElimStorePlain]: Start of recursive call 175: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:05,466 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 1 case distinctions, treesize of input 95 treesize of output 136 [2018-12-02 17:15:05,469 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 17:15:05,469 INFO L267 ElimStorePlain]: Start of recursive call 177: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:05,484 INFO L267 ElimStorePlain]: Start of recursive call 176: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:05,525 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 139 [2018-12-02 17:15:05,528 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 17:15:05,528 INFO L267 ElimStorePlain]: Start of recursive call 179: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:05,543 INFO L267 ElimStorePlain]: Start of recursive call 178: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:05,591 INFO L267 ElimStorePlain]: Start of recursive call 173: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:15:05,618 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 3 case distinctions, treesize of input 99 treesize of output 164 [2018-12-02 17:15:05,622 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:05,624 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 144 treesize of output 167 [2018-12-02 17:15:05,624 INFO L267 ElimStorePlain]: Start of recursive call 181: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:05,706 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 103 treesize of output 98 [2018-12-02 17:15:05,707 INFO L267 ElimStorePlain]: Start of recursive call 182: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:05,789 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 107 treesize of output 136 [2018-12-02 17:15:05,794 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 17:15:05,794 INFO L267 ElimStorePlain]: Start of recursive call 184: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:05,819 INFO L267 ElimStorePlain]: Start of recursive call 183: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:05,935 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 1 case distinctions, treesize of input 95 treesize of output 136 [2018-12-02 17:15:05,941 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 17:15:05,941 INFO L267 ElimStorePlain]: Start of recursive call 186: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:05,975 INFO L267 ElimStorePlain]: Start of recursive call 185: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:06,112 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 139 [2018-12-02 17:15:06,117 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 17:15:06,118 INFO L267 ElimStorePlain]: Start of recursive call 188: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:06,155 INFO L267 ElimStorePlain]: Start of recursive call 187: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:06,215 INFO L267 ElimStorePlain]: Start of recursive call 180: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:15:06,287 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 3 case distinctions, treesize of input 99 treesize of output 164 [2018-12-02 17:15:06,297 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 147 treesize of output 142 [2018-12-02 17:15:06,298 INFO L267 ElimStorePlain]: Start of recursive call 190: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:06,529 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:06,533 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 100 treesize of output 123 [2018-12-02 17:15:06,533 INFO L267 ElimStorePlain]: Start of recursive call 191: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:06,713 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 107 treesize of output 136 [2018-12-02 17:15:06,719 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 17:15:06,720 INFO L267 ElimStorePlain]: Start of recursive call 193: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:06,756 INFO L267 ElimStorePlain]: Start of recursive call 192: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:06,921 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 139 [2018-12-02 17:15:06,927 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2018-12-02 17:15:06,928 INFO L267 ElimStorePlain]: Start of recursive call 195: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:06,973 INFO L267 ElimStorePlain]: Start of recursive call 194: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:07,123 INFO L267 ElimStorePlain]: Start of recursive call 189: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:15:07,208 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 3 case distinctions, treesize of input 105 treesize of output 170 [2018-12-02 17:15:07,216 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 153 treesize of output 148 [2018-12-02 17:15:07,217 INFO L267 ElimStorePlain]: Start of recursive call 197: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:07,333 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:07,335 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 106 treesize of output 129 [2018-12-02 17:15:07,335 INFO L267 ElimStorePlain]: Start of recursive call 198: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:07,405 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 145 [2018-12-02 17:15:07,407 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 17:15:07,408 INFO L267 ElimStorePlain]: Start of recursive call 200: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:07,422 INFO L267 ElimStorePlain]: Start of recursive call 199: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:07,476 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 113 treesize of output 142 [2018-12-02 17:15:07,479 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 17:15:07,479 INFO L267 ElimStorePlain]: Start of recursive call 202: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:07,493 INFO L267 ElimStorePlain]: Start of recursive call 201: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:07,557 INFO L267 ElimStorePlain]: Start of recursive call 196: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:15:07,743 INFO L267 ElimStorePlain]: Start of recursive call 168: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 8 xjuncts. [2018-12-02 17:15:07,772 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 301 treesize of output 282 [2018-12-02 17:15:07,865 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 27 treesize of output 30 [2018-12-02 17:15:07,868 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:07,870 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 30 treesize of output 40 [2018-12-02 17:15:07,874 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:07,875 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:07,876 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:07,880 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 32 treesize of output 54 [2018-12-02 17:15:07,884 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:07,886 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:07,887 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:07,888 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:07,889 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:07,889 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:15:07,897 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 34 treesize of output 79 [2018-12-02 17:15:07,897 INFO L267 ElimStorePlain]: Start of recursive call 207: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:07,911 INFO L267 ElimStorePlain]: Start of recursive call 206: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:07,918 INFO L267 ElimStorePlain]: Start of recursive call 205: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:07,925 INFO L267 ElimStorePlain]: Start of recursive call 204: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:07,992 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 3 case distinctions, treesize of input 92 treesize of output 157 [2018-12-02 17:15:07,996 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 140 treesize of output 135 [2018-12-02 17:15:07,996 INFO L267 ElimStorePlain]: Start of recursive call 209: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:08,062 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:08,063 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 93 treesize of output 116 [2018-12-02 17:15:08,063 INFO L267 ElimStorePlain]: Start of recursive call 210: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:08,128 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 1 case distinctions, treesize of input 88 treesize of output 129 [2018-12-02 17:15:08,131 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 17:15:08,131 INFO L267 ElimStorePlain]: Start of recursive call 212: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:08,145 INFO L267 ElimStorePlain]: Start of recursive call 211: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:08,212 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 132 [2018-12-02 17:15:08,218 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 17:15:08,218 INFO L267 ElimStorePlain]: Start of recursive call 214: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:08,252 INFO L267 ElimStorePlain]: Start of recursive call 213: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:08,360 INFO L267 ElimStorePlain]: Start of recursive call 208: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:15:08,493 INFO L267 ElimStorePlain]: Start of recursive call 203: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:15:08,552 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 307 treesize of output 288 [2018-12-02 17:15:08,633 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 27 treesize of output 30 [2018-12-02 17:15:08,636 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:08,637 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 30 treesize of output 40 [2018-12-02 17:15:08,641 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:08,642 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:08,643 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:08,646 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 32 treesize of output 56 [2018-12-02 17:15:08,650 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:08,651 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:08,652 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:08,659 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 36 treesize of output 64 [2018-12-02 17:15:08,659 INFO L267 ElimStorePlain]: Start of recursive call 219: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:08,670 INFO L267 ElimStorePlain]: Start of recursive call 218: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:08,677 INFO L267 ElimStorePlain]: Start of recursive call 217: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:08,684 INFO L267 ElimStorePlain]: Start of recursive call 216: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:08,748 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 3 case distinctions, treesize of input 94 treesize of output 159 [2018-12-02 17:15:08,752 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 142 treesize of output 137 [2018-12-02 17:15:08,753 INFO L267 ElimStorePlain]: Start of recursive call 221: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:08,823 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:08,824 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 95 treesize of output 118 [2018-12-02 17:15:08,824 INFO L267 ElimStorePlain]: Start of recursive call 222: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:08,884 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 102 treesize of output 131 [2018-12-02 17:15:08,887 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 17:15:08,887 INFO L267 ElimStorePlain]: Start of recursive call 224: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:08,899 INFO L267 ElimStorePlain]: Start of recursive call 223: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:08,950 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 1 case distinctions, treesize of input 90 treesize of output 131 [2018-12-02 17:15:08,953 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2018-12-02 17:15:08,953 INFO L267 ElimStorePlain]: Start of recursive call 226: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:08,967 INFO L267 ElimStorePlain]: Start of recursive call 225: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:09,011 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 134 [2018-12-02 17:15:09,014 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 17:15:09,014 INFO L267 ElimStorePlain]: Start of recursive call 228: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:09,035 INFO L267 ElimStorePlain]: Start of recursive call 227: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:09,057 INFO L267 ElimStorePlain]: Start of recursive call 220: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:15:09,109 INFO L267 ElimStorePlain]: Start of recursive call 215: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:15:09,121 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 303 treesize of output 284 [2018-12-02 17:15:09,124 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 27 treesize of output 30 [2018-12-02 17:15:09,128 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:09,130 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 30 treesize of output 40 [2018-12-02 17:15:09,134 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:09,135 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:09,136 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:09,141 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 32 treesize of output 54 [2018-12-02 17:15:09,145 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:09,146 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:09,147 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:09,148 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:09,149 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:09,150 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:15:09,159 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 79 [2018-12-02 17:15:09,159 INFO L267 ElimStorePlain]: Start of recursive call 233: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:09,173 INFO L267 ElimStorePlain]: Start of recursive call 232: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:09,180 INFO L267 ElimStorePlain]: Start of recursive call 231: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:09,187 INFO L267 ElimStorePlain]: Start of recursive call 230: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:09,230 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 98 [2018-12-02 17:15:09,234 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:09,235 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 32 treesize of output 55 [2018-12-02 17:15:09,235 INFO L267 ElimStorePlain]: Start of recursive call 235: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:09,257 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 91 treesize of output 120 [2018-12-02 17:15:09,260 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 17:15:09,260 INFO L267 ElimStorePlain]: Start of recursive call 237: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:09,271 INFO L267 ElimStorePlain]: Start of recursive call 236: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:09,278 INFO L267 ElimStorePlain]: Start of recursive call 234: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:09,307 INFO L267 ElimStorePlain]: Start of recursive call 229: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:09,321 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 338 treesize of output 319 [2018-12-02 17:15:09,325 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 27 treesize of output 30 [2018-12-02 17:15:09,329 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:09,330 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 30 treesize of output 40 [2018-12-02 17:15:09,334 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:09,335 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:09,336 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:09,340 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 32 treesize of output 54 [2018-12-02 17:15:09,344 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:09,345 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:09,347 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:09,372 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 34 treesize of output 93 [2018-12-02 17:15:09,373 INFO L267 ElimStorePlain]: Start of recursive call 242: End of recursive call: and 8 xjuncts. [2018-12-02 17:15:09,442 INFO L267 ElimStorePlain]: Start of recursive call 241: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-12-02 17:15:09,482 INFO L267 ElimStorePlain]: Start of recursive call 240: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-12-02 17:15:09,518 INFO L267 ElimStorePlain]: Start of recursive call 239: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-12-02 17:15:09,604 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 137 treesize of output 105 [2018-12-02 17:15:09,607 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:09,609 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 32 treesize of output 55 [2018-12-02 17:15:09,609 INFO L267 ElimStorePlain]: Start of recursive call 244: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:09,629 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 93 treesize of output 122 [2018-12-02 17:15:09,631 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 17:15:09,632 INFO L267 ElimStorePlain]: Start of recursive call 246: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:09,641 INFO L267 ElimStorePlain]: Start of recursive call 245: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:09,650 INFO L267 ElimStorePlain]: Start of recursive call 243: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:09,657 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 143 treesize of output 111 [2018-12-02 17:15:09,660 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:09,662 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 32 treesize of output 55 [2018-12-02 17:15:09,662 INFO L267 ElimStorePlain]: Start of recursive call 248: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:09,684 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 104 treesize of output 133 [2018-12-02 17:15:09,687 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 17:15:09,687 INFO L267 ElimStorePlain]: Start of recursive call 250: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:09,699 INFO L267 ElimStorePlain]: Start of recursive call 249: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:09,709 INFO L267 ElimStorePlain]: Start of recursive call 247: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:09,716 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 137 treesize of output 105 [2018-12-02 17:15:09,721 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:09,722 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 32 treesize of output 55 [2018-12-02 17:15:09,723 INFO L267 ElimStorePlain]: Start of recursive call 252: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:09,746 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 91 treesize of output 120 [2018-12-02 17:15:09,748 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2018-12-02 17:15:09,748 INFO L267 ElimStorePlain]: Start of recursive call 254: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:09,758 INFO L267 ElimStorePlain]: Start of recursive call 253: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:09,767 INFO L267 ElimStorePlain]: Start of recursive call 251: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:09,774 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 137 treesize of output 105 [2018-12-02 17:15:09,778 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:15:09,779 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 32 treesize of output 55 [2018-12-02 17:15:09,780 INFO L267 ElimStorePlain]: Start of recursive call 256: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:09,802 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 91 treesize of output 120 [2018-12-02 17:15:09,805 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 17:15:09,806 INFO L267 ElimStorePlain]: Start of recursive call 258: End of recursive call: and 1 xjuncts. [2018-12-02 17:15:09,817 INFO L267 ElimStorePlain]: Start of recursive call 257: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:09,827 INFO L267 ElimStorePlain]: Start of recursive call 255: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:15:09,896 INFO L267 ElimStorePlain]: Start of recursive call 238: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-12-02 17:15:10,848 INFO L267 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: 27 dim-0 vars, and 11 xjuncts. [2018-12-02 17:15:10,848 INFO L202 ElimStorePlain]: Needed 258 recursive calls to eliminate 15 variables, input treesize:1503, output treesize:2641 [2018-12-02 17:16:11,657 WARN L180 SmtUtils]: Spent 1.01 m on a formula simplification. DAG size of input: 451 DAG size of output: 241 [2018-12-02 17:16:36,587 WARN L180 SmtUtils]: Spent 24.43 s on a formula simplification that was a NOOP. DAG size: 299 [2018-12-02 17:16:36,609 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 6 new quantified variables, introduced 0 case distinctions, treesize of input 267 treesize of output 201 [2018-12-02 17:16:36,612 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 127 treesize of output 109 [2018-12-02 17:16:36,612 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 17:16:36,638 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:16:36,639 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:16:36,641 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 89 treesize of output 70 [2018-12-02 17:16:36,641 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:36,661 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:16:36,935 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 302 treesize of output 221 [2018-12-02 17:16:36,938 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 165 [2018-12-02 17:16:36,938 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:36,959 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 158 treesize of output 97 [2018-12-02 17:16:36,960 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:36,975 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:16:36,975 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 49 treesize of output 35 [2018-12-02 17:16:36,976 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:36,987 INFO L267 ElimStorePlain]: Start of recursive call 5: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:16:37,209 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 73 [2018-12-02 17:16:37,211 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 17:16:37,211 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:37,221 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:16:37,222 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 26 [2018-12-02 17:16:37,222 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:37,230 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2018-12-02 17:16:37,230 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:37,234 INFO L267 ElimStorePlain]: Start of recursive call 9: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:16:37,442 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 6 new quantified variables, introduced 0 case distinctions, treesize of input 309 treesize of output 231 [2018-12-02 17:16:37,447 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:16:37,447 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:16:37,460 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 100 treesize of output 106 [2018-12-02 17:16:37,460 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-12-02 17:16:37,508 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 170 treesize of output 146 [2018-12-02 17:16:37,509 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:16:37,511 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 149 treesize of output 125 [2018-12-02 17:16:37,511 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:16:37,567 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-12-02 17:16:37,823 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 196 [2018-12-02 17:16:37,826 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 134 treesize of output 110 [2018-12-02 17:16:37,826 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:16:37,856 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:16:37,858 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:16:37,869 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 0 new quantified variables, introduced 4 case distinctions, treesize of input 72 treesize of output 82 [2018-12-02 17:16:37,869 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-12-02 17:16:37,907 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2018-12-02 17:16:37,908 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:37,939 INFO L267 ElimStorePlain]: Start of recursive call 17: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-12-02 17:16:38,250 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 263 treesize of output 219 [2018-12-02 17:16:38,253 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2018-12-02 17:16:38,254 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:38,288 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:16:38,289 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 78 treesize of output 60 [2018-12-02 17:16:38,289 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:38,316 INFO L267 ElimStorePlain]: Start of recursive call 21: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:16:38,605 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 97 [2018-12-02 17:16:38,607 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 23 treesize of output 17 [2018-12-02 17:16:38,607 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:38,619 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:16:38,620 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 29 [2018-12-02 17:16:38,621 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:38,629 INFO L267 ElimStorePlain]: Start of recursive call 24: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:16:38,897 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 111 treesize of output 93 [2018-12-02 17:16:38,898 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 19 treesize of output 7 [2018-12-02 17:16:38,899 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:38,913 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:16:38,913 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 38 treesize of output 24 [2018-12-02 17:16:38,913 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:38,924 INFO L267 ElimStorePlain]: Start of recursive call 27: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:16:39,147 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 128 treesize of output 104 [2018-12-02 17:16:39,149 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:16:39,150 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:16:39,150 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:16:39,151 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:16:39,151 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 48 [2018-12-02 17:16:39,151 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:39,165 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 30 treesize of output 17 [2018-12-02 17:16:39,165 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:39,176 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 7 treesize of output 1 [2018-12-02 17:16:39,176 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:39,185 INFO L267 ElimStorePlain]: Start of recursive call 30: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:16:39,189 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 107 treesize of output 87 [2018-12-02 17:16:39,191 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 19 treesize of output 7 [2018-12-02 17:16:39,191 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:39,205 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2018-12-02 17:16:39,205 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:39,218 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:16:39,219 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 12 [2018-12-02 17:16:39,219 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:39,226 INFO L267 ElimStorePlain]: Start of recursive call 34: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:16:39,421 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 216 treesize of output 170 [2018-12-02 17:16:39,423 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 1 [2018-12-02 17:16:39,423 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:39,443 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2018-12-02 17:16:39,443 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:39,458 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:16:39,459 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 49 treesize of output 35 [2018-12-02 17:16:39,459 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:39,471 INFO L267 ElimStorePlain]: Start of recursive call 38: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:16:39,652 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 135 treesize of output 109 [2018-12-02 17:16:39,654 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:16:39,657 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:16:39,657 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 38 [2018-12-02 17:16:39,657 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:39,673 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 17:16:39,673 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:39,684 INFO L267 ElimStorePlain]: Start of recursive call 42: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:16:39,691 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 156 treesize of output 126 [2018-12-02 17:16:39,693 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:16:39,694 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:16:39,694 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:16:39,697 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:16:39,697 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 74 [2018-12-02 17:16:39,698 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:39,718 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 20 treesize of output 8 [2018-12-02 17:16:39,719 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:39,731 INFO L267 ElimStorePlain]: Start of recursive call 45: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:16:39,845 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 73 [2018-12-02 17:16:39,847 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 17:16:39,847 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:39,857 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 13 [2018-12-02 17:16:39,857 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:39,865 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:16:39,866 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 20 [2018-12-02 17:16:39,866 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:39,871 INFO L267 ElimStorePlain]: Start of recursive call 48: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:16:39,972 INFO L267 ElimStorePlain]: Start of recursive call 1: 20 dim-0 vars, 12 dim-2 vars, End of recursive call: 8 dim-0 vars, and 6 xjuncts. [2018-12-02 17:16:39,973 INFO L202 ElimStorePlain]: Needed 51 recursive calls to eliminate 32 variables, input treesize:1620, output treesize:145 [2018-12-02 17:16:48,552 WARN L180 SmtUtils]: Spent 7.22 s on a formula simplification. DAG size of input: 58 DAG size of output: 26 [2018-12-02 17:16:48,555 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 28 treesize of output 22 [2018-12-02 17:16:48,560 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 17:16:48,560 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:48,562 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:16:48,570 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-12-02 17:16:48,571 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 17:16:48,571 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 17:16:48,574 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:16:48,581 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:16:48,581 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:50, output treesize:18 [2018-12-02 17:16:48,671 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:16:48,686 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 17:16:48,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 47 [2018-12-02 17:16:48,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-12-02 17:16:48,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-12-02 17:16:48,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=2017, Unknown=15, NotChecked=0, Total=2162 [2018-12-02 17:16:48,687 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand 47 states. [2018-12-02 17:17:14,134 WARN L180 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 69 DAG size of output: 46 [2018-12-02 17:17:24,358 WARN L180 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 70 DAG size of output: 52 [2018-12-02 17:17:34,707 WARN L180 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 102 DAG size of output: 62 [2018-12-02 17:17:47,284 WARN L180 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2018-12-02 17:17:55,991 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 85 [2018-12-02 17:18:06,354 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 98 [2018-12-02 17:18:12,639 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-12-02 17:18:12,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-02 17:18:12,640 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:626) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:122) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:187) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SmtUtils.simplify(SmtUtils.java:151) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:354) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:382) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.returnSuccessors(AbstractInterpolantAutomaton.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.returnSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.returnSuccessors(TotalizeNwa.java:308) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.returnSuccessors(ComplementDeterministicNwa.java:142) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.returnSuccessors(ProductNwa.java:284) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.returnSuccessorsGivenHier(ProductNwa.java:308) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addReturnsAndSuccessors(NestedWordAutomatonReachableStates.java:1124) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:958) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:188) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:699) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:628) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:472) 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) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 49 more [2018-12-02 17:18:12,643 INFO L168 Benchmark]: Toolchain (without parser) took 523479.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -59.6 MB). Peak memory consumption was 64.2 MB. Max. memory is 11.5 GB. [2018-12-02 17:18:12,643 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:18:12,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -129.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2018-12-02 17:18:12,644 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.34 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 17:18:12,644 INFO L168 Benchmark]: Boogie Preprocessor took 19.25 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 17:18:12,644 INFO L168 Benchmark]: RCFGBuilder took 228.15 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: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-12-02 17:18:12,644 INFO L168 Benchmark]: TraceAbstraction took 522919.66 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 30.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.8 MB). Peak memory consumption was 70.2 MB. Max. memory is 11.5 GB. [2018-12-02 17:18:12,645 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 292.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -129.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.34 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. * Boogie Preprocessor took 19.25 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 228.15 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: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 522919.66 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 30.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.8 MB). Peak memory consumption was 70.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) 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 17:18:13,664 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 17:18:13,665 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 17:18:13,671 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 17:18:13,671 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 17:18:13,672 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 17:18:13,672 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 17:18:13,674 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 17:18:13,675 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 17:18:13,675 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 17:18:13,676 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 17:18:13,676 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 17:18:13,677 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 17:18:13,677 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 17:18:13,678 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 17:18:13,679 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 17:18:13,679 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 17:18:13,680 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 17:18:13,681 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 17:18:13,682 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 17:18:13,683 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 17:18:13,683 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 17:18:13,684 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 17:18:13,684 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 17:18:13,684 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 17:18:13,685 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 17:18:13,685 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 17:18:13,686 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 17:18:13,686 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 17:18:13,687 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 17:18:13,687 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 17:18:13,687 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 17:18:13,687 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 17:18:13,688 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 17:18:13,688 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 17:18:13,688 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 17:18:13,688 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-02 17:18:13,698 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 17:18:13,698 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 17:18:13,699 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 17:18:13,699 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 17:18:13,700 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 17:18:13,700 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 17:18:13,700 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 17:18:13,700 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 17:18:13,700 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 17:18:13,701 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 17:18:13,701 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 17:18:13,701 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 17:18:13,701 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 17:18:13,701 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 17:18:13,701 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 17:18:13,701 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 17:18:13,702 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 17:18:13,702 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 17:18:13,702 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 17:18:13,702 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 17:18:13,702 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 17:18:13,702 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 17:18:13,703 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 17:18:13,703 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 17:18:13,703 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:18:13,703 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 17:18:13,703 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 17:18:13,703 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 17:18:13,703 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-02 17:18:13,704 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 17:18:13,704 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 17:18:13,704 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 17:18:13,704 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_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer 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 -> Automizer 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 -> 1b10a804e0729604e263f2723af276809c7bd448 [2018-12-02 17:18:13,727 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 17:18:13,734 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 17:18:13,736 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 17:18:13,737 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 17:18:13,738 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 17:18:13,738 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/../../sv-benchmarks/c/list-simple/dll2n_prepend_unequal_true-unreach-call_true-valid-memsafety.i [2018-12-02 17:18:13,773 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/data/40c4b1818/8803807719bc422fb0a8ccbbe42443f9/FLAG18b3c4761 [2018-12-02 17:18:14,207 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 17:18:14,208 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/sv-benchmarks/c/list-simple/dll2n_prepend_unequal_true-unreach-call_true-valid-memsafety.i [2018-12-02 17:18:14,214 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/data/40c4b1818/8803807719bc422fb0a8ccbbe42443f9/FLAG18b3c4761 [2018-12-02 17:18:14,221 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/data/40c4b1818/8803807719bc422fb0a8ccbbe42443f9 [2018-12-02 17:18:14,223 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 17:18:14,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 17:18:14,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 17:18:14,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 17:18:14,227 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 17:18:14,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:18:14" (1/1) ... [2018-12-02 17:18:14,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15605f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:14, skipping insertion in model container [2018-12-02 17:18:14,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:18:14" (1/1) ... [2018-12-02 17:18:14,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 17:18:14,252 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 17:18:14,410 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:18:14,419 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 17:18:14,486 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:18:14,509 INFO L195 MainTranslator]: Completed translation [2018-12-02 17:18:14,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:14 WrapperNode [2018-12-02 17:18:14,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 17:18:14,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 17:18:14,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 17:18:14,510 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 17:18:14,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:14" (1/1) ... [2018-12-02 17:18:14,524 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:14" (1/1) ... [2018-12-02 17:18:14,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 17:18:14,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 17:18:14,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 17:18:14,529 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 17:18:14,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:14" (1/1) ... [2018-12-02 17:18:14,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:14" (1/1) ... [2018-12-02 17:18:14,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:14" (1/1) ... [2018-12-02 17:18:14,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:14" (1/1) ... [2018-12-02 17:18:14,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:14" (1/1) ... [2018-12-02 17:18:14,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:14" (1/1) ... [2018-12-02 17:18:14,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:14" (1/1) ... [2018-12-02 17:18:14,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 17:18:14,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 17:18:14,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 17:18:14,551 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 17:18:14,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/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 17:18:14,582 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2018-12-02 17:18:14,582 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2018-12-02 17:18:14,582 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2018-12-02 17:18:14,582 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2018-12-02 17:18:14,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 17:18:14,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 17:18:14,583 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2018-12-02 17:18:14,583 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2018-12-02 17:18:14,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 17:18:14,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 17:18:14,583 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 17:18:14,583 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 17:18:14,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 17:18:14,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 17:18:14,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 17:18:14,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 17:18:14,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-02 17:18:14,584 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2018-12-02 17:18:14,584 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2018-12-02 17:18:14,584 INFO L130 BoogieDeclarations]: Found specification of procedure dll_prepend [2018-12-02 17:18:14,584 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_prepend [2018-12-02 17:18:14,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 17:18:14,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 17:18:14,916 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 17:18:14,916 INFO L280 CfgBuilder]: Removed 3 assue(true) statements. [2018-12-02 17:18:14,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:18:14 BoogieIcfgContainer [2018-12-02 17:18:14,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 17:18:14,917 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 17:18:14,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 17:18:14,919 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 17:18:14,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:18:14" (1/3) ... [2018-12-02 17:18:14,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c44d479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:18:14, skipping insertion in model container [2018-12-02 17:18:14,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:18:14" (2/3) ... [2018-12-02 17:18:14,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c44d479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:18:14, skipping insertion in model container [2018-12-02 17:18:14,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:18:14" (3/3) ... [2018-12-02 17:18:14,921 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2n_prepend_unequal_true-unreach-call_true-valid-memsafety.i [2018-12-02 17:18:14,927 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 17:18:14,931 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 17:18:14,939 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 17:18:14,955 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 17:18:14,956 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 17:18:14,956 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 17:18:14,956 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 17:18:14,956 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 17:18:14,956 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 17:18:14,956 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 17:18:14,957 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 17:18:14,957 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 17:18:14,965 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2018-12-02 17:18:14,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 17:18:14,969 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:18:14,970 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:18:14,971 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:18:14,974 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:18:14,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1465866964, now seen corresponding path program 1 times [2018-12-02 17:18:14,977 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 17:18:14,977 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/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 17:18:14,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:18:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:18:15,067 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:18:15,103 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 17:18:15,104 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 17:18:15,106 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:18:15,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:18:15,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:18:15,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:18:15,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:18:15,117 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 5 states. [2018-12-02 17:18:15,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:18:15,168 INFO L93 Difference]: Finished difference Result 97 states and 122 transitions. [2018-12-02 17:18:15,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 17:18:15,169 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-12-02 17:18:15,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:18:15,174 INFO L225 Difference]: With dead ends: 97 [2018-12-02 17:18:15,174 INFO L226 Difference]: Without dead ends: 42 [2018-12-02 17:18:15,176 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:18:15,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-02 17:18:15,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 38. [2018-12-02 17:18:15,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-12-02 17:18:15,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2018-12-02 17:18:15,199 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 29 [2018-12-02 17:18:15,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:18:15,200 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2018-12-02 17:18:15,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:18:15,200 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2018-12-02 17:18:15,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 17:18:15,200 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:18:15,200 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:18:15,201 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:18:15,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:18:15,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1899337803, now seen corresponding path program 1 times [2018-12-02 17:18:15,201 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 17:18:15,201 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/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 17:18:15,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:18:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:18:15,284 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:18:15,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:18:15,320 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 17:18:15,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:18:15,439 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 17:18:15,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2018-12-02 17:18:15,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 17:18:15,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 17:18:15,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-02 17:18:15,441 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand 9 states. [2018-12-02 17:18:15,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:18:15,541 INFO L93 Difference]: Finished difference Result 71 states and 82 transitions. [2018-12-02 17:18:15,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 17:18:15,542 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 34 [2018-12-02 17:18:15,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:18:15,543 INFO L225 Difference]: With dead ends: 71 [2018-12-02 17:18:15,543 INFO L226 Difference]: Without dead ends: 47 [2018-12-02 17:18:15,544 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-12-02 17:18:15,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-12-02 17:18:15,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 43. [2018-12-02 17:18:15,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-12-02 17:18:15,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 49 transitions. [2018-12-02 17:18:15,548 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 49 transitions. Word has length 34 [2018-12-02 17:18:15,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:18:15,548 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 49 transitions. [2018-12-02 17:18:15,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 17:18:15,548 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2018-12-02 17:18:15,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 17:18:15,549 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:18:15,549 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:18:15,549 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:18:15,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:18:15,549 INFO L82 PathProgramCache]: Analyzing trace with hash -271700684, now seen corresponding path program 2 times [2018-12-02 17:18:15,550 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 17:18:15,550 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/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 17:18:15,563 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-12-02 17:18:15,692 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-02 17:18:15,693 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 17:18:15,696 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:18:15,706 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:18:15,706 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 17:18:15,727 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:18:15,730 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 17:18:15,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-12-02 17:18:15,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 17:18:15,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 17:18:15,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:18:15,731 INFO L87 Difference]: Start difference. First operand 43 states and 49 transitions. Second operand 4 states. [2018-12-02 17:18:16,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:18:16,097 INFO L93 Difference]: Finished difference Result 72 states and 83 transitions. [2018-12-02 17:18:16,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 17:18:16,097 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2018-12-02 17:18:16,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:18:16,098 INFO L225 Difference]: With dead ends: 72 [2018-12-02 17:18:16,098 INFO L226 Difference]: Without dead ends: 43 [2018-12-02 17:18:16,098 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 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 17:18:16,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-12-02 17:18:16,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-12-02 17:18:16,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-12-02 17:18:16,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2018-12-02 17:18:16,102 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 39 [2018-12-02 17:18:16,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:18:16,102 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2018-12-02 17:18:16,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 17:18:16,102 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2018-12-02 17:18:16,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 17:18:16,103 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:18:16,103 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:18:16,103 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:18:16,103 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:18:16,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1533737650, now seen corresponding path program 1 times [2018-12-02 17:18:16,103 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 17:18:16,103 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/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 17:18:16,117 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 17:18:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:18:16,307 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:18:16,323 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-02 17:18:16,324 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:16,328 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:16,329 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-02 17:18:18,342 WARN L854 $PredicateComparison]: unable to prove that (exists ((|dll_create_#t~malloc3.base| (_ BitVec 32))) (and (= |c_#valid| (store |c_old(#valid)| |dll_create_#t~malloc3.base| (_ bv1 1))) (= (select |c_old(#valid)| |dll_create_#t~malloc3.base|) (_ bv0 1)))) is different from true [2018-12-02 17:18:18,482 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-12-02 17:18:19,199 WARN L180 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-12-02 17:18:19,209 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:18:19,210 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:18:19,210 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 20 treesize of output 27 [2018-12-02 17:18:19,217 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 23 treesize of output 20 [2018-12-02 17:18:19,217 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:19,225 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:19,236 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-02 17:18:19,236 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:26, output treesize:26 [2018-12-02 17:18:19,381 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-12-02 17:18:19,385 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 17:18:19,385 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:19,390 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:19,415 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:19,416 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:45, output treesize:41 [2018-12-02 17:18:19,665 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2018-12-02 17:18:19,681 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:18:19,695 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 17:18:19,696 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:19,732 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:19,808 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 17:18:19,818 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 17:18:19,886 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:18:19,886 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:79, output treesize:62 [2018-12-02 17:18:22,020 WARN L180 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 37 [2018-12-02 17:18:22,029 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 107 [2018-12-02 17:18:22,037 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 101 [2018-12-02 17:18:22,038 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 17:18:22,053 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 17:18:22,239 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 109 treesize of output 121 [2018-12-02 17:18:22,316 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 107 treesize of output 58 [2018-12-02 17:18:22,316 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-12-02 17:18:22,442 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 106 treesize of output 7 [2018-12-02 17:18:22,443 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:22,478 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:18:22,533 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-12-02 17:18:22,534 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:135, output treesize:84 [2018-12-02 17:18:22,698 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 84 [2018-12-02 17:18:22,708 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 17:18:22,708 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:22,772 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:23,040 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 69 [2018-12-02 17:18:23,047 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 17:18:23,047 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:23,082 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:23,097 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 47 [2018-12-02 17:18:23,101 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 17:18:23,102 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:23,134 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:23,303 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 43 [2018-12-02 17:18:23,306 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 17:18:23,307 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:23,323 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:23,334 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 65 [2018-12-02 17:18:23,341 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 17:18:23,341 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:23,367 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:23,518 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 66 [2018-12-02 17:18:23,536 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 38 [2018-12-02 17:18:23,536 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-12-02 17:18:23,636 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2018-12-02 17:18:23,636 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:23,680 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:18:23,838 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-12-02 17:18:23,839 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 6 variables, input treesize:138, output treesize:131 [2018-12-02 17:18:24,072 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:18:24,073 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:18:24,074 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:18:24,074 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 22 treesize of output 21 [2018-12-02 17:18:24,074 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:24,094 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 7 treesize of output 5 [2018-12-02 17:18:24,097 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 3 [2018-12-02 17:18:24,097 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:24,099 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:24,115 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:24,115 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 7 variables, input treesize:170, output treesize:35 [2018-12-02 17:18:24,174 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 27 treesize of output 15 [2018-12-02 17:18:24,176 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-12-02 17:18:24,176 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:24,180 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:24,187 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2018-12-02 17:18:24,188 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:24,195 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2018-12-02 17:18:24,196 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2018-12-02 17:18:24,197 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:24,197 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:24,200 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:24,200 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:47, output treesize:9 [2018-12-02 17:18:24,247 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 6 not checked. [2018-12-02 17:18:24,247 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 17:18:24,627 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2018-12-02 17:18:24,743 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2018-12-02 17:18:28,381 WARN L180 SmtUtils]: Spent 3.64 s on a formula simplification that was a NOOP. DAG size: 109 [2018-12-02 17:18:29,459 WARN L180 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 77 [2018-12-02 17:18:31,131 WARN L180 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 91 [2018-12-02 17:18:32,632 WARN L180 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 87 [2018-12-02 17:18:32,769 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-12-02 17:18:32,786 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2018-12-02 17:18:32,797 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2018-12-02 17:18:32,798 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 17:18:32,829 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 17:18:32,984 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 17:18:33,007 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 17:18:33,137 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:18:33,158 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:18:33,233 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:18:33,250 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:18:33,305 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 17:18:33,317 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 17:18:33,363 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 84 [2018-12-02 17:18:33,373 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2018-12-02 17:18:33,399 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 17 [2018-12-02 17:18:33,399 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:33,415 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:33,587 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 76 [2018-12-02 17:18:34,069 WARN L180 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2018-12-02 17:18:34,073 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 60 treesize of output 59 [2018-12-02 17:18:34,073 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:34,440 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:18:34,442 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:18:34,447 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:18:34,448 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 101 [2018-12-02 17:18:34,448 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:34,455 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:18:34,462 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:18:34,484 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:18:34,485 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 56 treesize of output 101 [2018-12-02 17:18:34,486 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:34,594 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 0 new quantified variables, introduced 4 case distinctions, treesize of input 57 treesize of output 110 [2018-12-02 17:18:34,595 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 4 xjuncts. [2018-12-02 17:18:35,188 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 59 treesize of output 53 [2018-12-02 17:18:35,191 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 1 [2018-12-02 17:18:35,192 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:35,211 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 1 [2018-12-02 17:18:35,211 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:35,220 INFO L267 ElimStorePlain]: Start of recursive call 20: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:35,670 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 50 [2018-12-02 17:18:35,725 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 57 [2018-12-02 17:18:35,725 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 4 xjuncts. [2018-12-02 17:18:35,761 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 17:18:35,764 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 69 [2018-12-02 17:18:35,768 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:18:35,770 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:18:35,777 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 51 [2018-12-02 17:18:35,777 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:35,801 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:35,803 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 68 [2018-12-02 17:18:35,807 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:18:35,809 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 33 treesize of output 23 [2018-12-02 17:18:35,809 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:35,829 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:35,834 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 69 [2018-12-02 17:18:35,841 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:18:35,847 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:18:35,867 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 51 [2018-12-02 17:18:35,867 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:35,908 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:35,911 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 68 [2018-12-02 17:18:35,914 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:18:35,916 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 33 treesize of output 23 [2018-12-02 17:18:35,916 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:35,929 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:36,131 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-12-02 17:18:36,219 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-12-02 17:18:36,309 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 6 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-12-02 17:18:36,309 INFO L202 ElimStorePlain]: Needed 32 recursive calls to eliminate 7 variables, input treesize:135, output treesize:80 [2018-12-02 17:18:42,459 WARN L180 SmtUtils]: Spent 6.06 s on a formula simplification. DAG size of input: 50 DAG size of output: 25 [2018-12-02 17:18:42,461 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:18:42,461 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 17:18:42,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:18:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:18:42,513 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:18:42,515 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 6 treesize of output 5 [2018-12-02 17:18:42,516 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:42,517 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:42,517 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-12-02 17:18:44,568 WARN L854 $PredicateComparison]: unable to prove that (exists ((|dll_create_#t~malloc3.base| (_ BitVec 32))) (and (= |c_#valid| (store (store |c_old(#valid)| |dll_create_#t~malloc3.base| (_ bv1 1)) c_dll_create_~new_head~0.base (_ bv1 1))) (= (select |c_old(#valid)| |dll_create_#t~malloc3.base|) (_ bv0 1)))) is different from true [2018-12-02 17:18:45,568 WARN L854 $PredicateComparison]: unable to prove that (exists ((|dll_create_#t~malloc3.base| (_ BitVec 32))) (and (= |c_#valid| (store (store |c_old(#valid)| |dll_create_#t~malloc3.base| (_ bv1 1)) c_dll_create_~head~0.base (_ bv1 1))) (= (select |c_old(#valid)| |dll_create_#t~malloc3.base|) (_ bv0 1)))) is different from true [2018-12-02 17:18:47,574 WARN L854 $PredicateComparison]: unable to prove that (exists ((|dll_create_#t~malloc3.base| (_ BitVec 32))) (and (= |c_#valid| (store (store |c_old(#valid)| |dll_create_#t~malloc3.base| (_ bv1 1)) |c_dll_create_#res.base| (_ bv1 1))) (= (select |c_old(#valid)| |dll_create_#t~malloc3.base|) (_ bv0 1)))) is different from true [2018-12-02 17:18:47,581 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:18:47,583 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:18:47,583 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 22 treesize of output 29 [2018-12-02 17:18:47,588 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 25 treesize of output 20 [2018-12-02 17:18:47,589 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:47,596 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:47,603 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:18:47,603 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:20 [2018-12-02 17:18:47,961 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-12-02 17:18:47,965 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 17:18:47,965 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:47,971 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:47,996 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:47,997 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:45, output treesize:41 [2018-12-02 17:18:48,431 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 17:18:48,443 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 17:18:48,542 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2018-12-02 17:18:48,550 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:18:48,556 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 17:18:48,557 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:48,572 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:48,620 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:18:48,621 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:79, output treesize:62 [2018-12-02 17:18:54,884 WARN L180 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 37 [2018-12-02 17:18:54,892 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 146 [2018-12-02 17:18:54,901 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 142 [2018-12-02 17:18:54,902 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 17:18:54,917 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 17:18:55,113 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 150 treesize of output 203 [2018-12-02 17:18:55,120 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 151 treesize of output 53 [2018-12-02 17:18:55,120 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:55,228 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 148 treesize of output 99 [2018-12-02 17:18:55,229 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-12-02 17:18:55,282 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:18:55,348 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-12-02 17:18:55,348 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:172, output treesize:82 [2018-12-02 17:18:55,658 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 62 [2018-12-02 17:18:55,663 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 51 treesize of output 39 [2018-12-02 17:18:55,663 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:55,794 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 42 [2018-12-02 17:18:55,795 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-12-02 17:18:55,858 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:18:56,270 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 82 [2018-12-02 17:18:56,276 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 17:18:56,276 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:56,369 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:56,553 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 32 [2018-12-02 17:18:56,556 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 17:18:56,556 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:56,569 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:56,574 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 31 [2018-12-02 17:18:56,577 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 17:18:56,577 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:56,588 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:56,608 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2018-12-02 17:18:56,613 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-12-02 17:18:56,613 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:56,652 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:56,800 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 63 [2018-12-02 17:18:56,803 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 17:18:56,804 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:56,826 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:56,831 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 28 [2018-12-02 17:18:56,833 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 17:18:56,833 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:56,842 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:56,846 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 27 [2018-12-02 17:18:56,848 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 17:18:56,848 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:56,857 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:57,003 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-12-02 17:18:57,003 INFO L202 ElimStorePlain]: Needed 18 recursive calls to eliminate 6 variables, input treesize:136, output treesize:135 [2018-12-02 17:18:57,273 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2018-12-02 17:18:57,329 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:18:57,331 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:18:57,332 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:18:57,336 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:18:57,336 INFO L478 Elim1Store]: Elim1 did not use 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2018-12-02 17:18:57,337 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:57,356 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 12 treesize of output 10 [2018-12-02 17:18:57,359 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2018-12-02 17:18:57,360 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:57,361 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:57,375 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:57,375 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 7 variables, input treesize:158, output treesize:27 [2018-12-02 17:18:57,476 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 27 treesize of output 15 [2018-12-02 17:18:57,478 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-12-02 17:18:57,478 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:57,482 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:57,490 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2018-12-02 17:18:57,491 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 17:18:57,491 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:57,492 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:57,498 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2018-12-02 17:18:57,500 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2018-12-02 17:18:57,500 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-02 17:18:57,501 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:57,502 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:18:57,502 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:42, output treesize:3 [2018-12-02 17:18:57,506 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 7 not checked. [2018-12-02 17:18:57,506 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 17:18:57,787 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2018-12-02 17:18:57,902 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2018-12-02 17:19:03,129 WARN L180 SmtUtils]: Spent 5.23 s on a formula simplification that was a NOOP. DAG size: 109 [2018-12-02 17:19:04,170 WARN L180 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 76 [2018-12-02 17:19:05,754 WARN L180 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 90 [2018-12-02 17:19:06,857 WARN L180 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 86 [2018-12-02 17:19:07,002 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-12-02 17:19:07,003 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 17:19:07,022 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 17:19:07,123 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 17:19:07,141 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 17:19:07,234 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:19:07,245 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:19:07,316 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 100 [2018-12-02 17:19:07,326 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 96 [2018-12-02 17:19:07,327 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:19:07,345 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:19:07,413 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 17:19:07,430 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 17:19:07,503 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 120 [2018-12-02 17:19:07,512 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2018-12-02 17:19:07,536 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 17 [2018-12-02 17:19:07,536 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-02 17:19:07,552 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:19:07,697 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 124 treesize of output 112 [2018-12-02 17:19:08,122 WARN L180 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2018-12-02 17:19:08,126 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 78 treesize of output 77 [2018-12-02 17:19:08,126 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-12-02 17:19:08,556 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 0 new quantified variables, introduced 4 case distinctions, treesize of input 75 treesize of output 128 [2018-12-02 17:19:08,556 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 4 xjuncts. [2018-12-02 17:19:08,564 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:19:08,569 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:19:08,592 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:19:08,593 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 74 treesize of output 101 [2018-12-02 17:19:08,593 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-12-02 17:19:08,597 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:19:08,599 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:19:08,606 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:19:08,607 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 74 treesize of output 101 [2018-12-02 17:19:08,607 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-12-02 17:19:09,159 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 59 [2018-12-02 17:19:09,165 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 45 treesize of output 33 [2018-12-02 17:19:09,165 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-12-02 17:19:09,278 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 32 [2018-12-02 17:19:09,279 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 4 xjuncts. [2018-12-02 17:19:09,419 INFO L267 ElimStorePlain]: Start of recursive call 20: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-12-02 17:19:09,804 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 26 [2018-12-02 17:19:09,816 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2018-12-02 17:19:09,816 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 2 xjuncts. [2018-12-02 17:19:09,828 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:19:09,830 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 26 [2018-12-02 17:19:09,840 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2018-12-02 17:19:09,840 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2018-12-02 17:19:09,852 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-02 17:19:09,855 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 49 [2018-12-02 17:19:09,858 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:19:09,860 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 5 [2018-12-02 17:19:09,860 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-12-02 17:19:09,877 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:19:09,884 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 49 [2018-12-02 17:19:09,892 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:19:09,904 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 5 [2018-12-02 17:19:09,905 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-12-02 17:19:09,947 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:19:10,141 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-12-02 17:19:10,212 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-12-02 17:19:10,286 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 6 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-12-02 17:19:10,287 INFO L202 ElimStorePlain]: Needed 30 recursive calls to eliminate 8 variables, input treesize:147, output treesize:76 [2018-12-02 17:19:10,532 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 17:19:10,532 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 36 [2018-12-02 17:19:10,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-12-02 17:19:10,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-12-02 17:19:10,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=1101, Unknown=7, NotChecked=276, Total=1482 [2018-12-02 17:19:10,533 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand 36 states. [2018-12-02 17:19:18,053 WARN L180 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 25 DAG size of output: 17 [2018-12-02 17:19:24,477 WARN L180 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 27 DAG size of output: 19 [2018-12-02 17:19:34,257 WARN L180 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 29 DAG size of output: 21 [2018-12-02 17:19:36,431 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2018-12-02 17:19:45,645 WARN L180 SmtUtils]: Spent 4.15 s on a formula simplification that was a NOOP. DAG size: 51 [2018-12-02 17:19:50,966 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2018-12-02 17:19:56,699 WARN L180 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2018-12-02 17:19:58,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:19:58,514 INFO L93 Difference]: Finished difference Result 65 states and 73 transitions. [2018-12-02 17:19:58,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 17:19:58,515 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 39 [2018-12-02 17:19:58,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:19:58,516 INFO L225 Difference]: With dead ends: 65 [2018-12-02 17:19:58,516 INFO L226 Difference]: Without dead ends: 63 [2018-12-02 17:19:58,517 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 53.7s TimeCoverageRelationStatistics Valid=176, Invalid=2179, Unknown=13, NotChecked=388, Total=2756 [2018-12-02 17:19:58,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-12-02 17:19:58,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 57. [2018-12-02 17:19:58,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-02 17:19:58,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 64 transitions. [2018-12-02 17:19:58,523 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 64 transitions. Word has length 39 [2018-12-02 17:19:58,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:19:58,524 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 64 transitions. [2018-12-02 17:19:58,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-12-02 17:19:58,524 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2018-12-02 17:19:58,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 17:19:58,525 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:19:58,525 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:19:58,525 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:19:58,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:19:58,526 INFO L82 PathProgramCache]: Analyzing trace with hash 2043210740, now seen corresponding path program 1 times [2018-12-02 17:19:58,526 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 17:19:58,526 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/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 17:19:58,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:19:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:19:58,573 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:19:58,579 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 17:19:58,579 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 17:19:58,580 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:19:58,580 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 17:19:58,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 17:19:58,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 17:19:58,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:19:58,581 INFO L87 Difference]: Start difference. First operand 57 states and 64 transitions. Second operand 3 states. [2018-12-02 17:19:58,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:19:58,645 INFO L93 Difference]: Finished difference Result 86 states and 97 transitions. [2018-12-02 17:19:58,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 17:19:58,646 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-12-02 17:19:58,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:19:58,646 INFO L225 Difference]: With dead ends: 86 [2018-12-02 17:19:58,646 INFO L226 Difference]: Without dead ends: 55 [2018-12-02 17:19:58,646 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 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 17:19:58,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-12-02 17:19:58,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-12-02 17:19:58,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-12-02 17:19:58,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 61 transitions. [2018-12-02 17:19:58,650 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 61 transitions. Word has length 39 [2018-12-02 17:19:58,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:19:58,650 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 61 transitions. [2018-12-02 17:19:58,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 17:19:58,650 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 61 transitions. [2018-12-02 17:19:58,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 17:19:58,651 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:19:58,651 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:19:58,651 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:19:58,651 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:19:58,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1963327659, now seen corresponding path program 2 times [2018-12-02 17:19:58,651 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 17:19:58,651 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 17:19:58,665 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-12-02 17:19:58,809 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-02 17:19:58,810 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 17:19:58,814 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:19:58,856 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:19:58,856 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 17:19:58,998 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:19:59,000 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 17:19:59,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2018-12-02 17:19:59,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 17:19:59,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 17:19:59,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-12-02 17:19:59,001 INFO L87 Difference]: Start difference. First operand 55 states and 61 transitions. Second operand 11 states. [2018-12-02 17:19:59,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:19:59,174 INFO L93 Difference]: Finished difference Result 76 states and 83 transitions. [2018-12-02 17:19:59,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 17:19:59,176 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 44 [2018-12-02 17:19:59,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:19:59,176 INFO L225 Difference]: With dead ends: 76 [2018-12-02 17:19:59,176 INFO L226 Difference]: Without dead ends: 43 [2018-12-02 17:19:59,176 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2018-12-02 17:19:59,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-12-02 17:19:59,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-12-02 17:19:59,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-12-02 17:19:59,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2018-12-02 17:19:59,180 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 44 [2018-12-02 17:19:59,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:19:59,180 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2018-12-02 17:19:59,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 17:19:59,180 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2018-12-02 17:19:59,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 17:19:59,181 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:19:59,181 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:19:59,181 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:19:59,181 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:19:59,181 INFO L82 PathProgramCache]: Analyzing trace with hash 748142339, now seen corresponding path program 1 times [2018-12-02 17:19:59,181 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 17:19:59,181 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2fc01394-6213-4ed1-b023-f12d7b911ffb/bin-2019/uautomizer/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 17:19:59,195 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 17:19:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:19:59,436 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:19:59,439 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 6 treesize of output 5 [2018-12-02 17:19:59,439 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 17:19:59,442 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:19:59,442 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-02 17:20:01,454 WARN L854 $PredicateComparison]: unable to prove that (exists ((|dll_create_#t~malloc3.base| (_ BitVec 32))) (and (= |c_#valid| (store |c_old(#valid)| |dll_create_#t~malloc3.base| (_ bv1 1))) (= (select |c_old(#valid)| |dll_create_#t~malloc3.base|) (_ bv0 1)))) is different from true [2018-12-02 17:20:03,471 WARN L180 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 17 [2018-12-02 17:20:07,156 WARN L180 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 17 [2018-12-02 17:20:08,516 WARN L180 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-12-02 17:20:08,521 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:20:08,523 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:20:08,523 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 22 treesize of output 29 [2018-12-02 17:20:08,528 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 25 treesize of output 20 [2018-12-02 17:20:08,528 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 17:20:08,535 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:20:08,544 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 17:20:08,544 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:27 [2018-12-02 17:20:11,682 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 17:20:11,690 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 17:20:11,743 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 17:20:11,743 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:57, output treesize:63 [2018-12-02 17:20:15,868 WARN L180 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 33 [2018-12-02 17:20:15,880 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 205 treesize of output 203 [2018-12-02 17:20:15,891 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 203 treesize of output 201 [2018-12-02 17:20:15,891 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 17:20:15,910 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 17:20:16,020 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-02 17:20:16,020 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:220, output treesize:216 [2018-12-02 17:20:22,249 WARN L180 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 40 [2018-12-02 17:20:22,286 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-12-02 17:20:22,300 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 17:20:22,301 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 17:20:22,318 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:20:22,394 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-12-02 17:20:22,394 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:344, output treesize:340 [2018-12-02 17:20:26,826 WARN L180 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 40 [2018-12-02 17:20:28,101 WARN L180 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 121 DAG size of output: 56 [2018-12-02 17:20:28,131 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:20:28,149 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:20:28,159 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:20:28,168 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:20:28,169 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-12-02 17:20:28,169 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 17:20:28,364 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:20:28,539 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 17:20:28,540 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:20:28,540 INFO L303 Elim1Store]: Index analysis took 204 ms [2018-12-02 17:20:28,542 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 176 treesize of output 177 [2018-12-02 17:20:28,980 WARN L180 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2018-12-02 17:20:28,987 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 111 treesize of output 98 [2018-12-02 17:20:28,997 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 98 treesize of output 85 [2018-12-02 17:20:29,088 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 82 treesize of output 83 [2018-12-02 17:20:29,088 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 17:20:29,182 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:20:29,277 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:20:29,535 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 89 [2018-12-02 17:20:29,569 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 2 case distinctions, treesize of input 77 treesize of output 67 [2018-12-02 17:20:29,576 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 61 treesize of output 64 [2018-12-02 17:20:29,783 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 17:20:29,784 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_16 input size 13 context size 13 output size 13 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.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 17:20:29,789 INFO L168 Benchmark]: Toolchain (without parser) took 135565.27 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 265.8 MB). Free memory was 938.0 MB in the beginning and 943.6 MB in the end (delta: -5.6 MB). Peak memory consumption was 260.2 MB. Max. memory is 11.5 GB. [2018-12-02 17:20:29,790 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:20:29,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-12-02 17:20:29,791 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.44 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 17:20:29,791 INFO L168 Benchmark]: Boogie Preprocessor took 21.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-02 17:20:29,791 INFO L168 Benchmark]: RCFGBuilder took 366.07 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: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-12-02 17:20:29,792 INFO L168 Benchmark]: TraceAbstraction took 134870.74 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 122.7 MB). Free memory was 1.1 GB in the beginning and 943.6 MB in the end (delta: 141.0 MB). Peak memory consumption was 263.7 MB. Max. memory is 11.5 GB. [2018-12-02 17:20:29,793 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 285.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.44 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 21.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 366.07 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: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 134870.74 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 122.7 MB). Free memory was 1.1 GB in the beginning and 943.6 MB in the end (delta: 141.0 MB). Peak memory consumption was 263.7 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_16 input size 13 context size 13 output size 13 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimArr_16 input size 13 context size 13 output size 13: 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...