./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded_false-unreach-call.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_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 173710aca1d4015ec33cbbcbec14fb51f2000ba5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 173710aca1d4015ec33cbbcbec14fb51f2000ba5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 16:31:12,306 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 16:31:12,307 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 16:31:12,312 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 16:31:12,313 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 16:31:12,313 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 16:31:12,314 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 16:31:12,314 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 16:31:12,315 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 16:31:12,316 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 16:31:12,316 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 16:31:12,316 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 16:31:12,316 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 16:31:12,317 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 16:31:12,317 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 16:31:12,318 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 16:31:12,318 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 16:31:12,319 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 16:31:12,320 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 16:31:12,320 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 16:31:12,321 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 16:31:12,322 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 16:31:12,323 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 16:31:12,323 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 16:31:12,323 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 16:31:12,323 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 16:31:12,324 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 16:31:12,324 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 16:31:12,324 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 16:31:12,325 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 16:31:12,325 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 16:31:12,325 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 16:31:12,325 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 16:31:12,325 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 16:31:12,326 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 16:31:12,326 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 16:31:12,326 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 16:31:12,333 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 16:31:12,333 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 16:31:12,334 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 16:31:12,334 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 16:31:12,334 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 16:31:12,334 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 16:31:12,334 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 16:31:12,334 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 16:31:12,334 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 16:31:12,334 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 16:31:12,334 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 16:31:12,335 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 16:31:12,335 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 16:31:12,335 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 16:31:12,335 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 16:31:12,335 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 16:31:12,335 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 16:31:12,335 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 16:31:12,335 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 16:31:12,335 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 16:31:12,336 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 16:31:12,336 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 16:31:12,336 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 16:31:12,336 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 16:31:12,336 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 16:31:12,336 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 16:31:12,336 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 16:31:12,336 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 16:31:12,336 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 16:31:12,336 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 16:31:12,336 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 16:31:12,336 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 16:31:12,336 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 16:31:12,337 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 16:31:12,337 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 16:31:12,337 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 16:31:12,337 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 173710aca1d4015ec33cbbcbec14fb51f2000ba5 [2018-12-09 16:31:12,353 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 16:31:12,360 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 16:31:12,362 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 16:31:12,363 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 16:31:12,363 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 16:31:12,363 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan/../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded_false-unreach-call.i [2018-12-09 16:31:12,398 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan/data/f54a990a1/b6d282fa0c2949e0ad12d77bc10fa0f6/FLAG46574c129 [2018-12-09 16:31:12,876 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 16:31:12,876 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/sv-benchmarks/c/ldv-sets/test_mutex_unbounded_false-unreach-call.i [2018-12-09 16:31:12,884 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan/data/f54a990a1/b6d282fa0c2949e0ad12d77bc10fa0f6/FLAG46574c129 [2018-12-09 16:31:12,893 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan/data/f54a990a1/b6d282fa0c2949e0ad12d77bc10fa0f6 [2018-12-09 16:31:12,895 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 16:31:12,895 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 16:31:12,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 16:31:12,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 16:31:12,898 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 16:31:12,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:31:12" (1/1) ... [2018-12-09 16:31:12,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54ad1106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:31:12, skipping insertion in model container [2018-12-09 16:31:12,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:31:12" (1/1) ... [2018-12-09 16:31:12,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 16:31:12,925 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 16:31:13,137 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:31:13,145 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 16:31:13,184 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:31:13,209 INFO L195 MainTranslator]: Completed translation [2018-12-09 16:31:13,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:31:13 WrapperNode [2018-12-09 16:31:13,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 16:31:13,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 16:31:13,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 16:31:13,210 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 16:31:13,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:31:13" (1/1) ... [2018-12-09 16:31:13,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:31:13" (1/1) ... [2018-12-09 16:31:13,229 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 16:31:13,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 16:31:13,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 16:31:13,229 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 16:31:13,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:31:13" (1/1) ... [2018-12-09 16:31:13,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:31:13" (1/1) ... [2018-12-09 16:31:13,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:31:13" (1/1) ... [2018-12-09 16:31:13,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:31:13" (1/1) ... [2018-12-09 16:31:13,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:31:13" (1/1) ... [2018-12-09 16:31:13,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:31:13" (1/1) ... [2018-12-09 16:31:13,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:31:13" (1/1) ... [2018-12-09 16:31:13,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 16:31:13,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 16:31:13,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 16:31:13,253 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 16:31:13,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:31:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 16:31:13,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 16:31:13,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-12-09 16:31:13,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-12-09 16:31:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-09 16:31:13,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-09 16:31:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2018-12-09 16:31:13,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2018-12-09 16:31:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-12-09 16:31:13,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-12-09 16:31:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2018-12-09 16:31:13,294 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2018-12-09 16:31:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-12-09 16:31:13,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-12-09 16:31:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 16:31:13,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 16:31:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2018-12-09 16:31:13,294 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2018-12-09 16:31:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 16:31:13,294 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 16:31:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-09 16:31:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2018-12-09 16:31:13,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2018-12-09 16:31:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2018-12-09 16:31:13,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2018-12-09 16:31:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-09 16:31:13,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2018-12-09 16:31:13,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2018-12-09 16:31:13,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 16:31:13,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-09 16:31:13,295 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2018-12-09 16:31:13,295 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2018-12-09 16:31:13,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-12-09 16:31:13,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-12-09 16:31:13,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2018-12-09 16:31:13,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2018-12-09 16:31:13,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-12-09 16:31:13,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-12-09 16:31:13,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2018-12-09 16:31:13,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2018-12-09 16:31:13,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 16:31:13,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 16:31:13,553 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 16:31:13,553 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-09 16:31:13,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:31:13 BoogieIcfgContainer [2018-12-09 16:31:13,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 16:31:13,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 16:31:13,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 16:31:13,556 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 16:31:13,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:31:12" (1/3) ... [2018-12-09 16:31:13,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aeeee81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:31:13, skipping insertion in model container [2018-12-09 16:31:13,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:31:13" (2/3) ... [2018-12-09 16:31:13,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aeeee81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:31:13, skipping insertion in model container [2018-12-09 16:31:13,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:31:13" (3/3) ... [2018-12-09 16:31:13,558 INFO L112 eAbstractionObserver]: Analyzing ICFG test_mutex_unbounded_false-unreach-call.i [2018-12-09 16:31:13,564 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 16:31:13,570 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-09 16:31:13,580 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-09 16:31:13,598 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 16:31:13,599 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 16:31:13,599 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 16:31:13,599 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 16:31:13,599 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 16:31:13,599 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 16:31:13,599 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 16:31:13,599 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 16:31:13,610 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2018-12-09 16:31:13,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 16:31:13,615 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:31:13,615 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] [2018-12-09 16:31:13,616 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:31:13,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:31:13,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1508545232, now seen corresponding path program 1 times [2018-12-09 16:31:13,621 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:31:13,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:31:13,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:31:13,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:31:13,654 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:31:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:31:13,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:31:13,709 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:31:13,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 16:31:13,709 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:31:13,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 16:31:13,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 16:31:13,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 16:31:13,721 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2018-12-09 16:31:13,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:31:13,740 INFO L93 Difference]: Finished difference Result 201 states and 245 transitions. [2018-12-09 16:31:13,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 16:31:13,741 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-12-09 16:31:13,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:31:13,746 INFO L225 Difference]: With dead ends: 201 [2018-12-09 16:31:13,746 INFO L226 Difference]: Without dead ends: 99 [2018-12-09 16:31:13,748 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 16:31:13,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-12-09 16:31:13,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-12-09 16:31:13,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-12-09 16:31:13,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 111 transitions. [2018-12-09 16:31:13,775 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 111 transitions. Word has length 24 [2018-12-09 16:31:13,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:31:13,776 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 111 transitions. [2018-12-09 16:31:13,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 16:31:13,776 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 111 transitions. [2018-12-09 16:31:13,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 16:31:13,777 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:31:13,777 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] [2018-12-09 16:31:13,777 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:31:13,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:31:13,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1763605561, now seen corresponding path program 1 times [2018-12-09 16:31:13,778 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:31:13,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:31:13,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:31:13,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:31:13,779 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:31:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:31:13,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:31:13,873 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:31:13,873 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 16:31:13,873 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:31:13,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 16:31:13,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 16:31:13,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 16:31:13,875 INFO L87 Difference]: Start difference. First operand 99 states and 111 transitions. Second operand 4 states. [2018-12-09 16:31:13,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:31:13,982 INFO L93 Difference]: Finished difference Result 210 states and 235 transitions. [2018-12-09 16:31:13,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 16:31:13,983 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2018-12-09 16:31:13,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:31:13,984 INFO L225 Difference]: With dead ends: 210 [2018-12-09 16:31:13,985 INFO L226 Difference]: Without dead ends: 127 [2018-12-09 16:31:13,985 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 16:31:13,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-12-09 16:31:13,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 108. [2018-12-09 16:31:13,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-12-09 16:31:13,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 121 transitions. [2018-12-09 16:31:13,996 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 121 transitions. Word has length 24 [2018-12-09 16:31:13,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:31:13,996 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 121 transitions. [2018-12-09 16:31:13,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 16:31:13,997 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 121 transitions. [2018-12-09 16:31:13,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 16:31:13,997 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:31:13,997 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] [2018-12-09 16:31:13,998 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:31:13,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:31:13,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1652067413, now seen corresponding path program 1 times [2018-12-09 16:31:13,998 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:31:13,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:31:13,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:31:13,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:31:13,999 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:31:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:31:14,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:31:14,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:31:14,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 16:31:14,101 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 16:31:14,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 16:31:14,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 16:31:14,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 16:31:14,102 INFO L87 Difference]: Start difference. First operand 108 states and 121 transitions. Second operand 8 states. [2018-12-09 16:31:14,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:31:14,342 INFO L93 Difference]: Finished difference Result 127 states and 141 transitions. [2018-12-09 16:31:14,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 16:31:14,343 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2018-12-09 16:31:14,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:31:14,344 INFO L225 Difference]: With dead ends: 127 [2018-12-09 16:31:14,344 INFO L226 Difference]: Without dead ends: 109 [2018-12-09 16:31:14,344 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2018-12-09 16:31:14,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-12-09 16:31:14,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 104. [2018-12-09 16:31:14,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-12-09 16:31:14,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 116 transitions. [2018-12-09 16:31:14,351 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 116 transitions. Word has length 28 [2018-12-09 16:31:14,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:31:14,351 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 116 transitions. [2018-12-09 16:31:14,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 16:31:14,351 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 116 transitions. [2018-12-09 16:31:14,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 16:31:14,352 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:31:14,352 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, 1, 1, 1, 1, 1, 1] [2018-12-09 16:31:14,352 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:31:14,352 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:31:14,352 INFO L82 PathProgramCache]: Analyzing trace with hash -465139925, now seen corresponding path program 1 times [2018-12-09 16:31:14,352 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 16:31:14,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:31:14,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:31:14,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 16:31:14,353 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 16:31:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:31:15,034 WARN L180 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2018-12-09 16:31:15,398 WARN L180 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2018-12-09 16:31:15,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:31:15,621 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:31:15,621 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 16:31:15,622 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 41 with the following transitions: [2018-12-09 16:31:15,624 INFO L205 CegarAbsIntRunner]: [0], [2], [3], [7], [13], [15], [17], [20], [24], [32], [66], [67], [68], [69], [87], [88], [122], [124], [127], [128], [151], [152], [160], [163], [171], [172], [173], [174], [175], [176], [177], [178], [179], [180], [188], [202], [203], [212], [213], [214] [2018-12-09 16:31:15,647 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 16:31:15,647 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 16:31:15,859 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 16:31:15,860 INFO L272 AbstractInterpreter]: Visited 40 different actions 100 times. Merged at 8 different actions 16 times. Never widened. Performed 990 root evaluator evaluations with a maximum evaluation depth of 9. Performed 990 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 37 variables. [2018-12-09 16:31:15,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:31:15,871 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 16:31:15,871 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 16:31:15,871 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:31:15,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:31:15,880 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 16:31:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:31:15,922 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:31:15,951 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-12-09 16:31:15,966 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:15,972 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 2 case distinctions, treesize of input 20 treesize of output 36 [2018-12-09 16:31:15,976 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 30 treesize of output 22 [2018-12-09 16:31:15,977 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 16:31:16,000 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:16,002 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:16,009 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 22 treesize of output 34 [2018-12-09 16:31:16,010 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-12-09 16:31:16,026 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-09 16:31:16,042 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-09 16:31:16,061 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-09 16:31:16,061 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:51, output treesize:138 [2018-12-09 16:31:16,123 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 38 [2018-12-09 16:31:16,124 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-09 16:31:16,159 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 38 [2018-12-09 16:31:16,159 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 16:31:16,190 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:16,190 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:16,191 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:16,191 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 50 treesize of output 43 [2018-12-09 16:31:16,192 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 16:31:16,209 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:31:16,209 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:147, output treesize:35 [2018-12-09 16:31:16,273 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:16,273 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:16,274 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:16,275 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:16,276 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:16,276 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 52 treesize of output 48 [2018-12-09 16:31:16,277 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-09 16:31:16,323 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:16,324 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:16,324 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:16,325 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 50 treesize of output 47 [2018-12-09 16:31:16,325 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 16:31:16,361 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:16,362 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:16,363 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:16,363 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 47 treesize of output 40 [2018-12-09 16:31:16,364 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 16:31:16,380 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:31:16,380 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:153, output treesize:40 [2018-12-09 16:31:16,434 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 [2018-12-09 16:31:16,436 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 [2018-12-09 16:31:16,436 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 16:31:16,437 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:31:16,444 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:16,445 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2018-12-09 16:31:16,450 INFO L478 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 10 treesize of output 15 [2018-12-09 16:31:16,451 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-09 16:31:16,454 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 [2018-12-09 16:31:16,454 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-09 16:31:16,455 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:31:16,460 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:31:16,460 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:38, output treesize:17 [2018-12-09 16:31:32,603 WARN L180 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 47 [2018-12-09 16:31:50,717 WARN L180 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 49 [2018-12-09 16:31:50,737 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 67 [2018-12-09 16:31:50,758 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 14 treesize of output 13 [2018-12-09 16:31:50,759 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 16:31:50,809 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 76 [2018-12-09 16:31:50,812 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 26 [2018-12-09 16:31:50,817 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:50,820 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 26 treesize of output 43 [2018-12-09 16:31:50,820 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-09 16:31:50,829 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:31:50,868 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 74 [2018-12-09 16:31:50,873 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 31 treesize of output 38 [2018-12-09 16:31:50,874 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-09 16:31:50,890 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:31:50,902 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:31:50,914 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:31:50,947 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:50,948 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:50,953 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 113 [2018-12-09 16:31:51,038 INFO L478 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 5 case distinctions, treesize of input 89 treesize of output 110 [2018-12-09 16:31:51,041 INFO L267 ElimStorePlain]: Start of recursive call 10: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 7 xjuncts. [2018-12-09 16:31:51,042 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-12-09 16:31:51,042 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-12-09 16:31:51,095 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:51,101 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 88 [2018-12-09 16:31:51,104 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 22 [2018-12-09 16:31:51,107 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:51,107 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 35 [2018-12-09 16:31:51,108 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-12-09 16:31:51,112 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:31:51,128 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:51,130 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:51,132 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 50 treesize of output 72 [2018-12-09 16:31:51,146 INFO L478 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 66 [2018-12-09 16:31:51,148 INFO L267 ElimStorePlain]: Start of recursive call 16: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-12-09 16:31:51,165 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:31:51,174 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:31:51,176 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:51,182 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 90 [2018-12-09 16:31:51,185 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 22 [2018-12-09 16:31:51,187 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:51,188 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 35 [2018-12-09 16:31:51,188 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-12-09 16:31:51,194 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:31:51,211 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:51,212 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:31:51,216 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 57 treesize of output 77 [2018-12-09 16:31:51,238 INFO L478 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 97 [2018-12-09 16:31:51,242 INFO L267 ElimStorePlain]: Start of recursive call 21: 8 dim-0 vars, End of recursive call: 8 dim-0 vars, and 14 xjuncts. [2018-12-09 16:31:51,322 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 6 xjuncts. [2018-12-09 16:31:51,386 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 6 xjuncts. [2018-12-09 16:31:51,476 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 7 xjuncts. [2018-12-09 16:31:51,583 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 16 dim-0 vars, and 7 xjuncts. [2018-12-09 16:31:51,583 INFO L202 ElimStorePlain]: Needed 21 recursive calls to eliminate 7 variables, input treesize:263, output treesize:1286 [2018-12-09 16:31:51,940 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 112 [2018-12-09 16:31:52,258 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-12-09 16:31:52,504 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-12-09 16:31:52,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:31:52,753 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 16:32:01,907 WARN L180 SmtUtils]: Spent 3.46 s on a formula simplification that was a NOOP. DAG size: 66 [2018-12-09 16:32:10,233 WARN L180 SmtUtils]: Spent 5.09 s on a formula simplification that was a NOOP. DAG size: 101 [2018-12-09 16:32:10,240 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-09 16:32:10,253 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 37 [2018-12-09 16:32:12,873 WARN L670 Elim1Store]: solver failed to check if following equality is implied: (= (select (select v_prenex_61 |~#drvlist~0.base|) |~#drvlist~0.offset|) |~#drvlist~0.base|) [2018-12-09 16:32:14,979 WARN L687 Elim1Store]: solver failed to check if following not equals relation is implied: (let ((.cse0 (select v_prenex_61 |~#drvlist~0.base|))) (= (select v_prenex_61 (select .cse0 |~#drvlist~0.offset|)) .cse0)) [2018-12-09 16:32:15,180 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 16:32:15,181 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 34080 column 139: unknown constant v_prenex_67 at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:221) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:147) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:114) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.assertTerm(ManagedScript.java:136) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.IncrementalPlicationChecker.checkPlication(IncrementalPlicationChecker.java:120) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.checkEqualityStatus(Elim1Store.java:668) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.analyzeIndexEqualities(Elim1Store.java:775) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:300) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:418) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getTraceCheck(BaseTaipanRefinementStrategy.java:214) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-09 16:32:15,185 INFO L168 Benchmark]: Toolchain (without parser) took 62289.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.9 MB). Free memory was 948.1 MB in the beginning and 1.2 GB in the end (delta: -224.6 MB). Peak memory consumption was 262.5 MB. Max. memory is 11.5 GB. [2018-12-09 16:32:15,186 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:32:15,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2018-12-09 16:32:15,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.13 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. [2018-12-09 16:32:15,187 INFO L168 Benchmark]: Boogie Preprocessor took 23.97 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. [2018-12-09 16:32:15,188 INFO L168 Benchmark]: RCFGBuilder took 300.22 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2018-12-09 16:32:15,188 INFO L168 Benchmark]: TraceAbstraction took 61630.38 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 39.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -95.5 MB). Peak memory consumption was 249.1 MB. Max. memory is 11.5 GB. [2018-12-09 16:32:15,190 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 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 313.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.97 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. * RCFGBuilder took 300.22 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 61630.38 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 39.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -95.5 MB). Peak memory consumption was 249.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 34080 column 139: unknown constant v_prenex_67 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 34080 column 139: unknown constant v_prenex_67: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 16:32:16,435 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 16:32:16,436 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 16:32:16,443 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 16:32:16,443 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 16:32:16,444 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 16:32:16,445 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 16:32:16,446 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 16:32:16,447 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 16:32:16,448 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 16:32:16,448 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 16:32:16,448 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 16:32:16,449 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 16:32:16,450 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 16:32:16,451 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 16:32:16,451 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 16:32:16,452 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 16:32:16,453 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 16:32:16,454 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 16:32:16,455 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 16:32:16,456 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 16:32:16,457 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 16:32:16,458 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 16:32:16,459 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 16:32:16,459 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 16:32:16,459 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 16:32:16,460 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 16:32:16,460 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 16:32:16,461 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 16:32:16,461 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 16:32:16,461 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 16:32:16,462 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 16:32:16,462 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 16:32:16,462 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 16:32:16,462 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 16:32:16,463 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 16:32:16,463 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 16:32:16,473 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 16:32:16,473 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 16:32:16,473 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 16:32:16,474 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 16:32:16,474 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 16:32:16,474 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 16:32:16,474 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 16:32:16,474 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 16:32:16,475 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 16:32:16,475 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 16:32:16,475 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 16:32:16,475 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 16:32:16,476 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 16:32:16,476 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 16:32:16,476 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 16:32:16,476 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 16:32:16,476 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 16:32:16,476 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 16:32:16,477 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 16:32:16,477 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 16:32:16,477 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 16:32:16,477 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 16:32:16,477 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 16:32:16,477 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 16:32:16,477 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 16:32:16,478 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 16:32:16,478 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 16:32:16,478 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 16:32:16,478 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 16:32:16,478 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 16:32:16,478 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 16:32:16,479 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 16:32:16,479 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 16:32:16,479 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 16:32:16,479 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 16:32:16,479 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_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 173710aca1d4015ec33cbbcbec14fb51f2000ba5 [2018-12-09 16:32:16,504 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 16:32:16,512 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 16:32:16,515 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 16:32:16,516 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 16:32:16,517 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 16:32:16,517 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan/../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded_false-unreach-call.i [2018-12-09 16:32:16,567 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan/data/04e4b573b/16e96fcf87e1421ab71bb9697ff2d5b9/FLAG837fa9b0e [2018-12-09 16:32:16,916 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 16:32:16,917 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/sv-benchmarks/c/ldv-sets/test_mutex_unbounded_false-unreach-call.i [2018-12-09 16:32:16,926 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan/data/04e4b573b/16e96fcf87e1421ab71bb9697ff2d5b9/FLAG837fa9b0e [2018-12-09 16:32:16,936 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan/data/04e4b573b/16e96fcf87e1421ab71bb9697ff2d5b9 [2018-12-09 16:32:16,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 16:32:16,939 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 16:32:16,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 16:32:16,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 16:32:16,943 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 16:32:16,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:32:16" (1/1) ... [2018-12-09 16:32:16,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2657aed2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:32:16, skipping insertion in model container [2018-12-09 16:32:16,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:32:16" (1/1) ... [2018-12-09 16:32:16,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 16:32:16,978 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 16:32:17,180 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:32:17,187 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 16:32:17,261 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:32:17,287 INFO L195 MainTranslator]: Completed translation [2018-12-09 16:32:17,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:32:17 WrapperNode [2018-12-09 16:32:17,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 16:32:17,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 16:32:17,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 16:32:17,288 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 16:32:17,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:32:17" (1/1) ... [2018-12-09 16:32:17,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:32:17" (1/1) ... [2018-12-09 16:32:17,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 16:32:17,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 16:32:17,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 16:32:17,307 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 16:32:17,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:32:17" (1/1) ... [2018-12-09 16:32:17,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:32:17" (1/1) ... [2018-12-09 16:32:17,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:32:17" (1/1) ... [2018-12-09 16:32:17,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:32:17" (1/1) ... [2018-12-09 16:32:17,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:32:17" (1/1) ... [2018-12-09 16:32:17,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:32:17" (1/1) ... [2018-12-09 16:32:17,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:32:17" (1/1) ... [2018-12-09 16:32:17,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 16:32:17,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 16:32:17,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 16:32:17,332 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 16:32:17,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:32:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 16:32:17,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 16:32:17,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-12-09 16:32:17,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-12-09 16:32:17,362 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-09 16:32:17,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-09 16:32:17,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2018-12-09 16:32:17,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2018-12-09 16:32:17,363 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-12-09 16:32:17,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-12-09 16:32:17,363 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2018-12-09 16:32:17,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2018-12-09 16:32:17,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-12-09 16:32:17,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-12-09 16:32:17,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 16:32:17,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 16:32:17,363 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2018-12-09 16:32:17,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2018-12-09 16:32:17,363 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 16:32:17,363 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 16:32:17,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-09 16:32:17,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2018-12-09 16:32:17,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2018-12-09 16:32:17,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2018-12-09 16:32:17,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2018-12-09 16:32:17,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-09 16:32:17,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2018-12-09 16:32:17,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2018-12-09 16:32:17,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 16:32:17,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-09 16:32:17,364 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2018-12-09 16:32:17,364 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2018-12-09 16:32:17,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-12-09 16:32:17,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-12-09 16:32:17,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2018-12-09 16:32:17,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2018-12-09 16:32:17,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-12-09 16:32:17,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-12-09 16:32:17,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2018-12-09 16:32:17,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2018-12-09 16:32:17,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 16:32:17,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 16:32:17,643 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 16:32:17,643 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-09 16:32:17,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:32:17 BoogieIcfgContainer [2018-12-09 16:32:17,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 16:32:17,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 16:32:17,645 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 16:32:17,647 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 16:32:17,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:32:16" (1/3) ... [2018-12-09 16:32:17,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66116d71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:32:17, skipping insertion in model container [2018-12-09 16:32:17,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:32:17" (2/3) ... [2018-12-09 16:32:17,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66116d71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:32:17, skipping insertion in model container [2018-12-09 16:32:17,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:32:17" (3/3) ... [2018-12-09 16:32:17,650 INFO L112 eAbstractionObserver]: Analyzing ICFG test_mutex_unbounded_false-unreach-call.i [2018-12-09 16:32:17,658 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 16:32:17,664 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-09 16:32:17,675 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-09 16:32:17,691 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 16:32:17,691 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 16:32:17,691 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 16:32:17,691 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 16:32:17,691 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 16:32:17,691 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 16:32:17,691 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 16:32:17,691 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 16:32:17,691 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 16:32:17,701 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2018-12-09 16:32:17,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 16:32:17,705 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:32:17,705 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] [2018-12-09 16:32:17,707 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:32:17,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:32:17,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1992774283, now seen corresponding path program 1 times [2018-12-09 16:32:17,712 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 16:32:17,713 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 16:32:17,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:32:17,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:32:17,766 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:32:17,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:32:17,777 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 16:32:17,780 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:32:17,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 16:32:17,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 16:32:17,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 16:32:17,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 16:32:17,791 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 2 states. [2018-12-09 16:32:17,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:32:17,811 INFO L93 Difference]: Finished difference Result 193 states and 237 transitions. [2018-12-09 16:32:17,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 16:32:17,812 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-12-09 16:32:17,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:32:17,818 INFO L225 Difference]: With dead ends: 193 [2018-12-09 16:32:17,818 INFO L226 Difference]: Without dead ends: 95 [2018-12-09 16:32:17,820 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 16:32:17,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-12-09 16:32:17,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-12-09 16:32:17,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-12-09 16:32:17,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 107 transitions. [2018-12-09 16:32:17,849 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 107 transitions. Word has length 23 [2018-12-09 16:32:17,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:32:17,849 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 107 transitions. [2018-12-09 16:32:17,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 16:32:17,849 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 107 transitions. [2018-12-09 16:32:17,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 16:32:17,850 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:32:17,851 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] [2018-12-09 16:32:17,851 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:32:17,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:32:17,851 INFO L82 PathProgramCache]: Analyzing trace with hash 52142540, now seen corresponding path program 1 times [2018-12-09 16:32:17,851 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 16:32:17,852 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 16:32:17,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:32:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:32:17,892 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:32:17,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:32:17,909 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 16:32:17,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:32:17,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 16:32:17,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 16:32:17,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 16:32:17,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 16:32:17,912 INFO L87 Difference]: Start difference. First operand 95 states and 107 transitions. Second operand 4 states. [2018-12-09 16:32:17,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:32:17,926 INFO L93 Difference]: Finished difference Result 100 states and 114 transitions. [2018-12-09 16:32:17,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 16:32:17,926 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2018-12-09 16:32:17,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:32:17,928 INFO L225 Difference]: With dead ends: 100 [2018-12-09 16:32:17,928 INFO L226 Difference]: Without dead ends: 98 [2018-12-09 16:32:17,928 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 16:32:17,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-12-09 16:32:17,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-12-09 16:32:17,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-12-09 16:32:17,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 112 transitions. [2018-12-09 16:32:17,937 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 112 transitions. Word has length 23 [2018-12-09 16:32:17,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:32:17,937 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 112 transitions. [2018-12-09 16:32:17,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 16:32:17,938 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 112 transitions. [2018-12-09 16:32:17,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 16:32:17,938 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:32:17,938 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] [2018-12-09 16:32:17,939 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:32:17,939 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:32:17,939 INFO L82 PathProgramCache]: Analyzing trace with hash 102936195, now seen corresponding path program 1 times [2018-12-09 16:32:17,939 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 16:32:17,940 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 16:32:17,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:32:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:32:18,015 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:32:18,064 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 17 treesize of output 13 [2018-12-09 16:32:18,068 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 5 [2018-12-09 16:32:18,068 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 16:32:18,071 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:32:18,087 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 24 treesize of output 18 [2018-12-09 16:32:18,091 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:32:18,092 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 18 treesize of output 10 [2018-12-09 16:32:18,092 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-09 16:32:18,097 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:32:18,103 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:32:18,103 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:43, output treesize:12 [2018-12-09 16:32:18,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:32:18,119 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 16:32:18,120 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:32:18,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 16:32:18,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 16:32:18,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 16:32:18,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 16:32:18,121 INFO L87 Difference]: Start difference. First operand 98 states and 112 transitions. Second operand 4 states. [2018-12-09 16:32:18,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:32:18,413 INFO L93 Difference]: Finished difference Result 207 states and 236 transitions. [2018-12-09 16:32:18,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 16:32:18,414 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2018-12-09 16:32:18,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:32:18,415 INFO L225 Difference]: With dead ends: 207 [2018-12-09 16:32:18,415 INFO L226 Difference]: Without dead ends: 125 [2018-12-09 16:32:18,416 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 16:32:18,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-12-09 16:32:18,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 107. [2018-12-09 16:32:18,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-12-09 16:32:18,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 122 transitions. [2018-12-09 16:32:18,424 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 122 transitions. Word has length 23 [2018-12-09 16:32:18,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:32:18,424 INFO L480 AbstractCegarLoop]: Abstraction has 107 states and 122 transitions. [2018-12-09 16:32:18,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 16:32:18,425 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 122 transitions. [2018-12-09 16:32:18,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 16:32:18,425 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:32:18,425 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] [2018-12-09 16:32:18,425 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:32:18,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:32:18,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1726594954, now seen corresponding path program 1 times [2018-12-09 16:32:18,426 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 16:32:18,426 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 16:32:18,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:32:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:32:18,492 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:32:18,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:32:18,681 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 16:32:18,682 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 16:32:18,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 16:32:18,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 16:32:18,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 16:32:18,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-12-09 16:32:18,683 INFO L87 Difference]: Start difference. First operand 107 states and 122 transitions. Second operand 8 states. [2018-12-09 16:32:19,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 16:32:19,582 INFO L93 Difference]: Finished difference Result 125 states and 141 transitions. [2018-12-09 16:32:19,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 16:32:19,583 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2018-12-09 16:32:19,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 16:32:19,584 INFO L225 Difference]: With dead ends: 125 [2018-12-09 16:32:19,585 INFO L226 Difference]: Without dead ends: 108 [2018-12-09 16:32:19,585 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-12-09 16:32:19,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-12-09 16:32:19,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 103. [2018-12-09 16:32:19,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-12-09 16:32:19,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 117 transitions. [2018-12-09 16:32:19,592 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 117 transitions. Word has length 27 [2018-12-09 16:32:19,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 16:32:19,592 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 117 transitions. [2018-12-09 16:32:19,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 16:32:19,592 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 117 transitions. [2018-12-09 16:32:19,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 16:32:19,593 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 16:32:19,593 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, 1, 1, 1, 1, 1] [2018-12-09 16:32:19,593 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mutex_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 16:32:19,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:32:19,593 INFO L82 PathProgramCache]: Analyzing trace with hash 845776713, now seen corresponding path program 1 times [2018-12-09 16:32:19,594 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 16:32:19,594 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93347b56-9565-4975-9194-975c56e31549/bin-2019/utaipan/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 16:32:19,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 16:32:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:32:19,740 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 16:32:19,746 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-12-09 16:32:19,779 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:32:19,787 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 2 case distinctions, treesize of input 20 treesize of output 36 [2018-12-09 16:32:19,799 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 32 treesize of output 28 [2018-12-09 16:32:19,800 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-12-09 16:32:19,830 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:32:19,830 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 20 treesize of output 24 [2018-12-09 16:32:19,831 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-09 16:32:19,852 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-09 16:32:19,874 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-09 16:32:19,914 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-09 16:32:19,914 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:60, output treesize:166 [2018-12-09 16:32:20,039 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-09 16:32:20,065 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:32:20,066 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:32:20,067 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:32:20,068 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 63 treesize of output 52 [2018-12-09 16:32:20,068 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-09 16:32:20,148 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 16:32:20,149 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 60 treesize of output 47 [2018-12-09 16:32:20,149 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 16:32:20,251 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 58 treesize of output 44 [2018-12-09 16:32:20,251 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 16:32:20,292 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:32:20,292 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:185, output treesize:44 [2018-12-09 16:32:20,352 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:32:20,354 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:32:20,355 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:32:20,355 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 63 treesize of output 52 [2018-12-09 16:32:20,356 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-09 16:32:20,466 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:32:20,467 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 16:32:20,467 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 62 treesize of output 52 [2018-12-09 16:32:20,468 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 16:32:20,547 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:32:20,549 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:32:20,550 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:32:20,551 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:32:20,553 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:32:20,553 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 65 treesize of output 57 [2018-12-09 16:32:20,554 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 16:32:20,601 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:32:20,602 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:191, output treesize:49 [2018-12-09 16:32:20,678 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 [2018-12-09 16:32:20,681 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 [2018-12-09 16:32:20,681 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 16:32:20,682 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:32:20,704 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:32:20,705 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2018-12-09 16:32:20,711 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:32:20,737 INFO L478 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 31 [2018-12-09 16:32:20,738 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-12-09 16:32:20,745 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 [2018-12-09 16:32:20,745 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-09 16:32:20,746 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:32:20,754 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:32:20,754 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:47, output treesize:17 [2018-12-09 16:32:37,317 WARN L180 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 47 [2018-12-09 16:32:57,972 WARN L180 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 49 [2018-12-09 16:32:58,023 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:32:58,217 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:32:58,218 INFO L303 Elim1Store]: Index analysis took 237 ms [2018-12-09 16:32:58,219 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 248 treesize of output 183 [2018-12-09 16:33:00,617 WARN L180 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2018-12-09 16:33:00,932 INFO L303 Elim1Store]: Index analysis took 314 ms [2018-12-09 16:33:02,209 INFO L478 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 8 case distinctions, treesize of input 161 treesize of output 186 [2018-12-09 16:33:02,214 INFO L267 ElimStorePlain]: Start of recursive call 3: 8 dim-0 vars, End of recursive call: 8 dim-0 vars, and 14 xjuncts. [2018-12-09 16:33:02,216 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-12-09 16:33:02,216 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 16:33:07,113 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:33:07,275 INFO L303 Elim1Store]: Index analysis took 250 ms [2018-12-09 16:33:07,276 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 170 [2018-12-09 16:33:07,291 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 16 [2018-12-09 16:33:07,317 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:33:07,318 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-09 16:33:07,319 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-09 16:33:07,403 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:33:07,759 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:33:07,884 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:33:07,885 INFO L303 Elim1Store]: Index analysis took 209 ms [2018-12-09 16:33:07,885 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 63 treesize of output 81 [2018-12-09 16:33:07,907 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:33:08,080 INFO L303 Elim1Store]: Index analysis took 193 ms [2018-12-09 16:33:08,180 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 9 case distinctions, treesize of input 46 treesize of output 116 [2018-12-09 16:33:08,180 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-09 16:33:08,197 INFO L267 ElimStorePlain]: Start of recursive call 9: 32 dim-0 vars, End of recursive call: 32 dim-0 vars, and 50 xjuncts. [2018-12-09 16:33:11,217 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 10 xjuncts. [2018-12-09 16:33:13,074 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 10 xjuncts. [2018-12-09 16:33:13,168 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:33:13,367 INFO L303 Elim1Store]: Index analysis took 292 ms [2018-12-09 16:33:13,368 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 169 [2018-12-09 16:33:13,384 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 16 [2018-12-09 16:33:13,404 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:33:13,405 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-09 16:33:13,406 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-12-09 16:33:13,477 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:33:13,878 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:33:14,041 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:33:14,041 INFO L303 Elim1Store]: Index analysis took 232 ms [2018-12-09 16:33:14,042 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 70 treesize of output 86 [2018-12-09 16:33:14,218 INFO L303 Elim1Store]: Index analysis took 174 ms [2018-12-09 16:33:14,337 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 9 case distinctions, treesize of input 51 treesize of output 112 [2018-12-09 16:33:14,337 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-09 16:33:14,345 INFO L267 ElimStorePlain]: Start of recursive call 14: 16 dim-0 vars, End of recursive call: 16 dim-0 vars, and 26 xjuncts. [2018-12-09 16:33:16,143 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 8 xjuncts. [2018-12-09 16:33:17,437 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 8 xjuncts. [2018-12-09 16:33:17,566 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:33:17,841 INFO L303 Elim1Store]: Index analysis took 402 ms [2018-12-09 16:33:17,841 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 152 [2018-12-09 16:33:17,857 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 16 [2018-12-09 16:33:17,902 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:33:17,903 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-09 16:33:17,903 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-12-09 16:33:18,015 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:33:18,482 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:33:18,635 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:33:18,636 INFO L303 Elim1Store]: Index analysis took 217 ms [2018-12-09 16:33:18,637 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 58 treesize of output 76 [2018-12-09 16:33:18,872 INFO L303 Elim1Store]: Index analysis took 234 ms [2018-12-09 16:33:18,957 INFO L478 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 9 case distinctions, treesize of input 41 treesize of output 104 [2018-12-09 16:33:18,957 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-09 16:33:18,964 INFO L267 ElimStorePlain]: Start of recursive call 19: 16 dim-0 vars, End of recursive call: 16 dim-0 vars, and 28 xjuncts. [2018-12-09 16:33:23,749 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 10 xjuncts. [2018-12-09 16:33:26,689 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 10 xjuncts. [2018-12-09 16:33:26,744 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:33:27,015 INFO L303 Elim1Store]: Index analysis took 325 ms [2018-12-09 16:33:27,016 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 140 treesize of output 160 [2018-12-09 16:33:27,029 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 13 treesize of output 16 [2018-12-09 16:33:27,047 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:33:27,048 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-09 16:33:27,049 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-12-09 16:33:27,114 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:33:27,422 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:33:27,567 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:33:27,568 INFO L303 Elim1Store]: Index analysis took 211 ms [2018-12-09 16:33:27,569 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 61 treesize of output 81 [2018-12-09 16:33:27,713 INFO L478 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 79 [2018-12-09 16:33:27,716 INFO L267 ElimStorePlain]: Start of recursive call 24: 8 dim-0 vars, End of recursive call: 8 dim-0 vars, and 14 xjuncts. [2018-12-09 16:33:28,663 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 6 xjuncts. [2018-12-09 16:33:29,569 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 6 xjuncts. [2018-12-09 16:33:29,601 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:33:29,759 INFO L303 Elim1Store]: Index analysis took 189 ms [2018-12-09 16:33:29,759 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 150 [2018-12-09 16:33:29,775 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 16 [2018-12-09 16:33:29,799 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:33:29,800 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-12-09 16:33:29,800 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-12-09 16:33:29,900 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:33:30,276 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:33:30,447 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:33:30,448 INFO L303 Elim1Store]: Index analysis took 248 ms [2018-12-09 16:33:30,448 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 51 treesize of output 71 [2018-12-09 16:33:30,599 INFO L303 Elim1Store]: Index analysis took 149 ms [2018-12-09 16:33:30,651 INFO L478 Elim1Store]: Elim1 applied some 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 2 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 79 [2018-12-09 16:33:30,654 INFO L267 ElimStorePlain]: Start of recursive call 29: 8 dim-0 vars, End of recursive call: 8 dim-0 vars, and 16 xjuncts. [2018-12-09 16:33:31,510 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 5 xjuncts. [2018-12-09 16:33:32,276 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 5 xjuncts. [2018-12-09 16:33:45,811 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 36 dim-0 vars, and 39 xjuncts. [2018-12-09 16:33:59,581 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 131 [2018-12-09 16:34:00,397 WARN L180 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2018-12-09 16:34:00,407 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 14 treesize of output 13 [2018-12-09 16:34:00,408 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:00,622 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:00,631 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 22 [2018-12-09 16:34:00,638 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:00,642 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 35 [2018-12-09 16:34:00,643 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:00,660 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:00,742 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:00,754 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 20 treesize of output 37 [2018-12-09 16:34:00,754 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:00,790 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:00,815 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:00,886 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:00,945 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 110 [2018-12-09 16:34:01,279 WARN L180 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2018-12-09 16:34:01,287 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 14 treesize of output 13 [2018-12-09 16:34:01,287 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:01,464 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:01,470 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 [2018-12-09 16:34:01,479 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:01,479 INFO L683 Elim1Store]: detected equality via solver [2018-12-09 16:34:01,480 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 48 [2018-12-09 16:34:01,480 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:01,496 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:01,554 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:01,560 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:01,561 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 43 [2018-12-09 16:34:01,561 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:01,585 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:01,604 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:01,651 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:01,692 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 155 treesize of output 133 [2018-12-09 16:34:02,061 WARN L180 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2018-12-09 16:34:02,068 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 14 treesize of output 13 [2018-12-09 16:34:02,068 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:02,243 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:02,251 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 [2018-12-09 16:34:02,260 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:02,262 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:02,263 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 49 [2018-12-09 16:34:02,263 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:02,284 INFO L267 ElimStorePlain]: Start of recursive call 47: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:02,358 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:02,367 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:02,367 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 43 [2018-12-09 16:34:02,368 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:02,401 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:02,422 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:02,491 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:02,556 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 133 [2018-12-09 16:34:03,124 WARN L180 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2018-12-09 16:34:03,131 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 14 treesize of output 13 [2018-12-09 16:34:03,131 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:03,302 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:03,309 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 19 treesize of output 22 [2018-12-09 16:34:03,316 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:03,321 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 35 [2018-12-09 16:34:03,321 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:03,344 INFO L267 ElimStorePlain]: Start of recursive call 54: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:03,425 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:03,435 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:03,436 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 43 [2018-12-09 16:34:03,436 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:03,470 INFO L267 ElimStorePlain]: Start of recursive call 56: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:03,496 INFO L267 ElimStorePlain]: Start of recursive call 53: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:03,566 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:03,613 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 151 treesize of output 129 [2018-12-09 16:34:04,120 WARN L180 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2018-12-09 16:34:04,126 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 14 treesize of output 13 [2018-12-09 16:34:04,126 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:04,287 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:04,294 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 22 [2018-12-09 16:34:04,301 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:04,303 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:04,304 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 49 [2018-12-09 16:34:04,304 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:04,322 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:04,403 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:04,412 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:04,413 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 43 [2018-12-09 16:34:04,414 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:04,446 INFO L267 ElimStorePlain]: Start of recursive call 63: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:04,468 INFO L267 ElimStorePlain]: Start of recursive call 60: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:04,530 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:04,581 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 166 treesize of output 144 [2018-12-09 16:34:05,413 WARN L180 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2018-12-09 16:34:05,424 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 14 treesize of output 13 [2018-12-09 16:34:05,424 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:05,648 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:05,656 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 [2018-12-09 16:34:05,667 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:05,671 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:05,672 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 49 [2018-12-09 16:34:05,673 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:05,694 INFO L267 ElimStorePlain]: Start of recursive call 68: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:05,787 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 64 treesize of output 86 [2018-12-09 16:34:05,798 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 20 treesize of output 37 [2018-12-09 16:34:05,798 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:05,829 INFO L267 ElimStorePlain]: Start of recursive call 70: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:05,855 INFO L267 ElimStorePlain]: Start of recursive call 67: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:05,936 INFO L267 ElimStorePlain]: Start of recursive call 65: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:05,982 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 154 treesize of output 132 [2018-12-09 16:34:06,409 WARN L180 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2018-12-09 16:34:06,416 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 14 treesize of output 13 [2018-12-09 16:34:06,416 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:06,590 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:06,599 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 19 treesize of output 22 [2018-12-09 16:34:06,609 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:06,611 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:06,612 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 49 [2018-12-09 16:34:06,612 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:06,631 INFO L267 ElimStorePlain]: Start of recursive call 75: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:06,707 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:06,714 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:06,715 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 43 [2018-12-09 16:34:06,715 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:06,745 INFO L267 ElimStorePlain]: Start of recursive call 77: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:06,766 INFO L267 ElimStorePlain]: Start of recursive call 74: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:06,837 INFO L267 ElimStorePlain]: Start of recursive call 72: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:06,891 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 137 [2018-12-09 16:34:07,733 WARN L180 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2018-12-09 16:34:07,741 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-12-09 16:34:07,741 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:07,977 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:07,984 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 [2018-12-09 16:34:08,010 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:08,013 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:08,014 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 49 [2018-12-09 16:34:08,014 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:08,039 INFO L267 ElimStorePlain]: Start of recursive call 82: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:08,121 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:08,131 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 20 treesize of output 37 [2018-12-09 16:34:08,131 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:08,166 INFO L267 ElimStorePlain]: Start of recursive call 84: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:08,190 INFO L267 ElimStorePlain]: Start of recursive call 81: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:08,261 INFO L267 ElimStorePlain]: Start of recursive call 79: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:08,312 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 170 treesize of output 148 [2018-12-09 16:34:09,225 WARN L180 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2018-12-09 16:34:09,232 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 14 treesize of output 13 [2018-12-09 16:34:09,232 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:09,476 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:09,483 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 22 [2018-12-09 16:34:09,493 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:09,497 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:09,497 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 49 [2018-12-09 16:34:09,498 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:09,523 INFO L267 ElimStorePlain]: Start of recursive call 89: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:09,622 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:09,632 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 20 treesize of output 37 [2018-12-09 16:34:09,633 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:09,664 INFO L267 ElimStorePlain]: Start of recursive call 91: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:09,689 INFO L267 ElimStorePlain]: Start of recursive call 88: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:09,778 INFO L267 ElimStorePlain]: Start of recursive call 86: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:09,821 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 175 treesize of output 153 [2018-12-09 16:34:10,804 WARN L180 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2018-12-09 16:34:10,815 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-12-09 16:34:10,815 INFO L267 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:11,065 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:11,074 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 [2018-12-09 16:34:11,085 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:11,088 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:11,089 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 49 [2018-12-09 16:34:11,089 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:11,124 INFO L267 ElimStorePlain]: Start of recursive call 96: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:11,225 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:11,236 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 20 treesize of output 37 [2018-12-09 16:34:11,236 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:11,267 INFO L267 ElimStorePlain]: Start of recursive call 98: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:11,294 INFO L267 ElimStorePlain]: Start of recursive call 95: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:11,391 INFO L267 ElimStorePlain]: Start of recursive call 93: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:11,521 INFO L303 Elim1Store]: Index analysis took 130 ms [2018-12-09 16:34:11,522 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 144 treesize of output 122 [2018-12-09 16:34:11,993 WARN L180 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-12-09 16:34:12,004 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 14 treesize of output 13 [2018-12-09 16:34:12,004 INFO L267 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:12,229 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:12,238 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2018-12-09 16:34:12,249 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:12,254 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 35 [2018-12-09 16:34:12,254 INFO L267 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:12,276 INFO L267 ElimStorePlain]: Start of recursive call 103: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:12,370 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:12,378 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 43 [2018-12-09 16:34:12,378 INFO L267 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:12,414 INFO L267 ElimStorePlain]: Start of recursive call 105: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:12,438 INFO L267 ElimStorePlain]: Start of recursive call 102: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:12,505 INFO L267 ElimStorePlain]: Start of recursive call 100: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:12,600 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 158 treesize of output 136 [2018-12-09 16:34:13,597 WARN L180 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2018-12-09 16:34:13,605 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 14 treesize of output 13 [2018-12-09 16:34:13,605 INFO L267 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:13,836 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:13,845 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 [2018-12-09 16:34:13,859 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:13,868 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 35 [2018-12-09 16:34:13,868 INFO L267 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:13,890 INFO L267 ElimStorePlain]: Start of recursive call 110: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:13,970 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:13,982 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 20 treesize of output 37 [2018-12-09 16:34:13,982 INFO L267 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:14,014 INFO L267 ElimStorePlain]: Start of recursive call 112: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:14,040 INFO L267 ElimStorePlain]: Start of recursive call 109: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:14,119 INFO L267 ElimStorePlain]: Start of recursive call 107: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:14,170 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 132 [2018-12-09 16:34:14,781 WARN L180 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2018-12-09 16:34:14,788 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 14 treesize of output 13 [2018-12-09 16:34:14,788 INFO L267 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:15,001 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:15,008 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 [2018-12-09 16:34:15,017 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:15,020 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:15,021 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 49 [2018-12-09 16:34:15,021 INFO L267 ElimStorePlain]: Start of recursive call 118: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:15,049 INFO L267 ElimStorePlain]: Start of recursive call 117: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:15,128 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:15,138 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 20 treesize of output 37 [2018-12-09 16:34:15,138 INFO L267 ElimStorePlain]: Start of recursive call 120: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:15,170 INFO L267 ElimStorePlain]: Start of recursive call 119: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:15,195 INFO L267 ElimStorePlain]: Start of recursive call 116: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:15,260 INFO L267 ElimStorePlain]: Start of recursive call 114: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:15,333 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 144 [2018-12-09 16:34:15,980 WARN L180 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2018-12-09 16:34:15,988 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-12-09 16:34:15,988 INFO L267 ElimStorePlain]: Start of recursive call 122: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:16,227 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:16,235 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 [2018-12-09 16:34:16,244 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:16,247 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:16,248 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 49 [2018-12-09 16:34:16,248 INFO L267 ElimStorePlain]: Start of recursive call 125: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:16,276 INFO L267 ElimStorePlain]: Start of recursive call 124: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:16,358 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:16,369 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 20 treesize of output 37 [2018-12-09 16:34:16,369 INFO L267 ElimStorePlain]: Start of recursive call 127: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:16,401 INFO L267 ElimStorePlain]: Start of recursive call 126: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:16,427 INFO L267 ElimStorePlain]: Start of recursive call 123: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:16,504 INFO L267 ElimStorePlain]: Start of recursive call 121: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:16,554 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 161 treesize of output 139 [2018-12-09 16:34:17,233 WARN L180 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2018-12-09 16:34:17,243 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 14 treesize of output 13 [2018-12-09 16:34:17,243 INFO L267 ElimStorePlain]: Start of recursive call 129: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:17,464 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:17,472 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 22 [2018-12-09 16:34:17,485 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:17,488 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:17,489 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 49 [2018-12-09 16:34:17,489 INFO L267 ElimStorePlain]: Start of recursive call 132: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:17,515 INFO L267 ElimStorePlain]: Start of recursive call 131: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:17,592 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 64 treesize of output 86 [2018-12-09 16:34:17,601 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 20 treesize of output 37 [2018-12-09 16:34:17,601 INFO L267 ElimStorePlain]: Start of recursive call 134: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:17,632 INFO L267 ElimStorePlain]: Start of recursive call 133: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:17,657 INFO L267 ElimStorePlain]: Start of recursive call 130: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:17,734 INFO L267 ElimStorePlain]: Start of recursive call 128: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:17,795 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 136 treesize of output 114 [2018-12-09 16:34:18,109 WARN L180 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2018-12-09 16:34:18,117 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 14 treesize of output 13 [2018-12-09 16:34:18,117 INFO L267 ElimStorePlain]: Start of recursive call 136: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:18,279 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:18,285 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 [2018-12-09 16:34:18,292 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:18,296 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 35 [2018-12-09 16:34:18,296 INFO L267 ElimStorePlain]: Start of recursive call 139: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:18,310 INFO L267 ElimStorePlain]: Start of recursive call 138: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:18,367 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:18,376 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 20 treesize of output 37 [2018-12-09 16:34:18,376 INFO L267 ElimStorePlain]: Start of recursive call 141: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:18,405 INFO L267 ElimStorePlain]: Start of recursive call 140: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:18,427 INFO L267 ElimStorePlain]: Start of recursive call 137: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:18,481 INFO L267 ElimStorePlain]: Start of recursive call 135: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:18,539 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 126 [2018-12-09 16:34:18,809 WARN L180 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-12-09 16:34:18,815 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-12-09 16:34:18,815 INFO L267 ElimStorePlain]: Start of recursive call 143: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:19,015 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:19,023 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 19 treesize of output 22 [2018-12-09 16:34:19,035 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:19,039 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 35 [2018-12-09 16:34:19,039 INFO L267 ElimStorePlain]: Start of recursive call 146: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:19,059 INFO L267 ElimStorePlain]: Start of recursive call 145: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:19,152 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:19,158 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 43 [2018-12-09 16:34:19,158 INFO L267 ElimStorePlain]: Start of recursive call 148: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:19,194 INFO L267 ElimStorePlain]: Start of recursive call 147: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:19,219 INFO L267 ElimStorePlain]: Start of recursive call 144: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:19,291 INFO L267 ElimStorePlain]: Start of recursive call 142: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:19,342 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 175 treesize of output 153 [2018-12-09 16:34:20,370 WARN L180 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2018-12-09 16:34:20,379 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 14 treesize of output 13 [2018-12-09 16:34:20,379 INFO L267 ElimStorePlain]: Start of recursive call 150: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:20,620 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:20,628 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 [2018-12-09 16:34:20,638 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:20,642 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:20,642 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 49 [2018-12-09 16:34:20,643 INFO L267 ElimStorePlain]: Start of recursive call 153: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:20,669 INFO L267 ElimStorePlain]: Start of recursive call 152: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:20,759 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:20,769 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 20 treesize of output 37 [2018-12-09 16:34:20,770 INFO L267 ElimStorePlain]: Start of recursive call 155: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:20,804 INFO L267 ElimStorePlain]: Start of recursive call 154: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:20,829 INFO L267 ElimStorePlain]: Start of recursive call 151: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:20,910 INFO L267 ElimStorePlain]: Start of recursive call 149: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:20,973 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 183 treesize of output 161 [2018-12-09 16:34:21,767 WARN L180 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2018-12-09 16:34:21,776 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 14 treesize of output 13 [2018-12-09 16:34:21,776 INFO L267 ElimStorePlain]: Start of recursive call 157: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:22,038 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:22,046 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 [2018-12-09 16:34:22,055 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:22,057 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:22,058 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 49 [2018-12-09 16:34:22,058 INFO L267 ElimStorePlain]: Start of recursive call 160: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:22,088 INFO L267 ElimStorePlain]: Start of recursive call 159: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:22,193 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:22,214 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 37 [2018-12-09 16:34:22,214 INFO L267 ElimStorePlain]: Start of recursive call 162: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:22,251 INFO L267 ElimStorePlain]: Start of recursive call 161: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:22,275 INFO L267 ElimStorePlain]: Start of recursive call 158: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:22,363 INFO L267 ElimStorePlain]: Start of recursive call 156: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:22,413 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 164 treesize of output 142 [2018-12-09 16:34:22,932 WARN L180 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2018-12-09 16:34:22,940 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 14 treesize of output 13 [2018-12-09 16:34:22,940 INFO L267 ElimStorePlain]: Start of recursive call 164: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:23,165 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:23,174 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 [2018-12-09 16:34:23,185 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:23,188 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:23,189 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 49 [2018-12-09 16:34:23,189 INFO L267 ElimStorePlain]: Start of recursive call 167: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:23,214 INFO L267 ElimStorePlain]: Start of recursive call 166: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:23,308 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:23,321 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 20 treesize of output 37 [2018-12-09 16:34:23,321 INFO L267 ElimStorePlain]: Start of recursive call 169: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:23,354 INFO L267 ElimStorePlain]: Start of recursive call 168: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:23,379 INFO L267 ElimStorePlain]: Start of recursive call 165: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:23,454 INFO L267 ElimStorePlain]: Start of recursive call 163: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:23,556 INFO L303 Elim1Store]: Index analysis took 101 ms [2018-12-09 16:34:23,556 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 153 treesize of output 131 [2018-12-09 16:34:24,571 WARN L180 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2018-12-09 16:34:24,583 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-12-09 16:34:24,583 INFO L267 ElimStorePlain]: Start of recursive call 171: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:24,813 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:24,821 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 [2018-12-09 16:34:24,832 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:24,838 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 35 [2018-12-09 16:34:24,839 INFO L267 ElimStorePlain]: Start of recursive call 174: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:24,859 INFO L267 ElimStorePlain]: Start of recursive call 173: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:24,969 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:24,979 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 20 treesize of output 37 [2018-12-09 16:34:24,979 INFO L267 ElimStorePlain]: Start of recursive call 176: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:25,015 INFO L267 ElimStorePlain]: Start of recursive call 175: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:25,041 INFO L267 ElimStorePlain]: Start of recursive call 172: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:25,111 INFO L267 ElimStorePlain]: Start of recursive call 170: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:25,164 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 118 [2018-12-09 16:34:25,397 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2018-12-09 16:34:25,403 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 14 treesize of output 13 [2018-12-09 16:34:25,403 INFO L267 ElimStorePlain]: Start of recursive call 178: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:25,562 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:25,568 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 [2018-12-09 16:34:25,576 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:25,578 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:25,579 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 49 [2018-12-09 16:34:25,579 INFO L267 ElimStorePlain]: Start of recursive call 181: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:25,600 INFO L267 ElimStorePlain]: Start of recursive call 180: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:25,668 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:25,677 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:25,678 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 43 [2018-12-09 16:34:25,678 INFO L267 ElimStorePlain]: Start of recursive call 183: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:25,717 INFO L267 ElimStorePlain]: Start of recursive call 182: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:25,736 INFO L267 ElimStorePlain]: Start of recursive call 179: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:25,789 INFO L267 ElimStorePlain]: Start of recursive call 177: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:25,839 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 159 treesize of output 137 [2018-12-09 16:34:26,313 WARN L180 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2018-12-09 16:34:26,320 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 14 treesize of output 13 [2018-12-09 16:34:26,320 INFO L267 ElimStorePlain]: Start of recursive call 185: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:26,490 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:26,496 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 19 treesize of output 22 [2018-12-09 16:34:26,505 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:26,511 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 35 [2018-12-09 16:34:26,511 INFO L267 ElimStorePlain]: Start of recursive call 188: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:26,534 INFO L267 ElimStorePlain]: Start of recursive call 187: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:26,626 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:26,636 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:26,637 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 20 treesize of output 43 [2018-12-09 16:34:26,637 INFO L267 ElimStorePlain]: Start of recursive call 190: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:26,674 INFO L267 ElimStorePlain]: Start of recursive call 189: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:26,699 INFO L267 ElimStorePlain]: Start of recursive call 186: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:26,776 INFO L267 ElimStorePlain]: Start of recursive call 184: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:26,829 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 149 [2018-12-09 16:34:27,606 WARN L180 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2018-12-09 16:34:27,614 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 14 treesize of output 13 [2018-12-09 16:34:27,615 INFO L267 ElimStorePlain]: Start of recursive call 192: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:27,871 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:27,878 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 [2018-12-09 16:34:27,888 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:27,891 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:27,892 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 49 [2018-12-09 16:34:27,892 INFO L267 ElimStorePlain]: Start of recursive call 195: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:27,918 INFO L267 ElimStorePlain]: Start of recursive call 194: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:28,014 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:28,025 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 20 treesize of output 37 [2018-12-09 16:34:28,025 INFO L267 ElimStorePlain]: Start of recursive call 197: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:28,060 INFO L267 ElimStorePlain]: Start of recursive call 196: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:28,088 INFO L267 ElimStorePlain]: Start of recursive call 193: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:28,171 INFO L267 ElimStorePlain]: Start of recursive call 191: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:28,223 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 176 treesize of output 154 [2018-12-09 16:34:29,021 WARN L180 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2018-12-09 16:34:29,029 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 14 treesize of output 13 [2018-12-09 16:34:29,029 INFO L267 ElimStorePlain]: Start of recursive call 199: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:29,274 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:29,285 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 [2018-12-09 16:34:29,298 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:29,301 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:29,302 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 49 [2018-12-09 16:34:29,302 INFO L267 ElimStorePlain]: Start of recursive call 202: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:29,334 INFO L267 ElimStorePlain]: Start of recursive call 201: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:29,433 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:29,443 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 20 treesize of output 37 [2018-12-09 16:34:29,444 INFO L267 ElimStorePlain]: Start of recursive call 204: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:29,480 INFO L267 ElimStorePlain]: Start of recursive call 203: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:29,507 INFO L267 ElimStorePlain]: Start of recursive call 200: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:29,598 INFO L267 ElimStorePlain]: Start of recursive call 198: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:29,688 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 146 treesize of output 124 [2018-12-09 16:34:30,315 WARN L180 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2018-12-09 16:34:30,323 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 14 treesize of output 13 [2018-12-09 16:34:30,323 INFO L267 ElimStorePlain]: Start of recursive call 206: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:30,541 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:30,549 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 [2018-12-09 16:34:30,558 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:30,563 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 22 treesize of output 35 [2018-12-09 16:34:30,563 INFO L267 ElimStorePlain]: Start of recursive call 209: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:30,589 INFO L267 ElimStorePlain]: Start of recursive call 208: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:30,683 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:30,697 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 20 treesize of output 37 [2018-12-09 16:34:30,698 INFO L267 ElimStorePlain]: Start of recursive call 211: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:30,728 INFO L267 ElimStorePlain]: Start of recursive call 210: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:30,752 INFO L267 ElimStorePlain]: Start of recursive call 207: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:30,812 INFO L267 ElimStorePlain]: Start of recursive call 205: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:30,886 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 142 treesize of output 120 [2018-12-09 16:34:31,171 WARN L180 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2018-12-09 16:34:31,179 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 14 treesize of output 13 [2018-12-09 16:34:31,180 INFO L267 ElimStorePlain]: Start of recursive call 213: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:31,345 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:31,351 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 [2018-12-09 16:34:31,357 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:31,360 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:31,360 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 49 [2018-12-09 16:34:31,361 INFO L267 ElimStorePlain]: Start of recursive call 216: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:31,380 INFO L267 ElimStorePlain]: Start of recursive call 215: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:31,443 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:31,449 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:31,450 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 43 [2018-12-09 16:34:31,451 INFO L267 ElimStorePlain]: Start of recursive call 218: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:31,481 INFO L267 ElimStorePlain]: Start of recursive call 217: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:31,502 INFO L267 ElimStorePlain]: Start of recursive call 214: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:31,557 INFO L267 ElimStorePlain]: Start of recursive call 212: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:31,618 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 139 [2018-12-09 16:34:32,234 WARN L180 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2018-12-09 16:34:32,240 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 14 treesize of output 13 [2018-12-09 16:34:32,240 INFO L267 ElimStorePlain]: Start of recursive call 220: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:32,441 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:32,449 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 [2018-12-09 16:34:32,459 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:32,463 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:32,464 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 49 [2018-12-09 16:34:32,464 INFO L267 ElimStorePlain]: Start of recursive call 223: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:32,497 INFO L267 ElimStorePlain]: Start of recursive call 222: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:32,589 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:32,601 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 20 treesize of output 37 [2018-12-09 16:34:32,602 INFO L267 ElimStorePlain]: Start of recursive call 225: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:32,640 INFO L267 ElimStorePlain]: Start of recursive call 224: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:32,667 INFO L267 ElimStorePlain]: Start of recursive call 221: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:32,745 INFO L267 ElimStorePlain]: Start of recursive call 219: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:32,788 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 140 [2018-12-09 16:34:33,414 WARN L180 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2018-12-09 16:34:33,423 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 14 treesize of output 13 [2018-12-09 16:34:33,424 INFO L267 ElimStorePlain]: Start of recursive call 227: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:33,636 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:33,643 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 [2018-12-09 16:34:33,650 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:33,653 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:33,654 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 49 [2018-12-09 16:34:33,654 INFO L267 ElimStorePlain]: Start of recursive call 230: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:33,680 INFO L267 ElimStorePlain]: Start of recursive call 229: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:33,761 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:33,772 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 20 treesize of output 37 [2018-12-09 16:34:33,772 INFO L267 ElimStorePlain]: Start of recursive call 232: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:33,804 INFO L267 ElimStorePlain]: Start of recursive call 231: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:33,833 INFO L267 ElimStorePlain]: Start of recursive call 228: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:33,913 INFO L267 ElimStorePlain]: Start of recursive call 226: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:33,960 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 170 treesize of output 148 [2018-12-09 16:34:34,929 WARN L180 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2018-12-09 16:34:34,941 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 14 treesize of output 13 [2018-12-09 16:34:34,941 INFO L267 ElimStorePlain]: Start of recursive call 234: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:35,192 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:35,202 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 [2018-12-09 16:34:35,212 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:35,216 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:35,217 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 49 [2018-12-09 16:34:35,217 INFO L267 ElimStorePlain]: Start of recursive call 237: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:35,241 INFO L267 ElimStorePlain]: Start of recursive call 236: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:35,338 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 64 treesize of output 86 [2018-12-09 16:34:35,349 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 20 treesize of output 37 [2018-12-09 16:34:35,350 INFO L267 ElimStorePlain]: Start of recursive call 239: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:35,384 INFO L267 ElimStorePlain]: Start of recursive call 238: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:35,413 INFO L267 ElimStorePlain]: Start of recursive call 235: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:35,491 INFO L267 ElimStorePlain]: Start of recursive call 233: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:35,542 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 166 treesize of output 144 [2018-12-09 16:34:36,293 WARN L180 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2018-12-09 16:34:36,299 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 14 treesize of output 13 [2018-12-09 16:34:36,299 INFO L267 ElimStorePlain]: Start of recursive call 241: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:36,492 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:36,501 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 19 treesize of output 22 [2018-12-09 16:34:36,509 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:36,513 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 35 [2018-12-09 16:34:36,513 INFO L267 ElimStorePlain]: Start of recursive call 244: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:36,540 INFO L267 ElimStorePlain]: Start of recursive call 243: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:36,632 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:36,640 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:36,641 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 43 [2018-12-09 16:34:36,641 INFO L267 ElimStorePlain]: Start of recursive call 246: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:36,674 INFO L267 ElimStorePlain]: Start of recursive call 245: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:36,701 INFO L267 ElimStorePlain]: Start of recursive call 242: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:36,799 INFO L267 ElimStorePlain]: Start of recursive call 240: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:36,881 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 134 treesize of output 112 [2018-12-09 16:34:37,132 WARN L180 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2018-12-09 16:34:37,139 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 14 treesize of output 13 [2018-12-09 16:34:37,139 INFO L267 ElimStorePlain]: Start of recursive call 248: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:37,320 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 74 [2018-12-09 16:34:37,326 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 [2018-12-09 16:34:37,335 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:37,337 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 16:34:37,338 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 49 [2018-12-09 16:34:37,338 INFO L267 ElimStorePlain]: Start of recursive call 251: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:37,360 INFO L267 ElimStorePlain]: Start of recursive call 250: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:37,442 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2018-12-09 16:34:37,451 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 20 treesize of output 37 [2018-12-09 16:34:37,452 INFO L267 ElimStorePlain]: Start of recursive call 253: End of recursive call: and 1 xjuncts. [2018-12-09 16:34:37,487 INFO L267 ElimStorePlain]: Start of recursive call 252: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:37,513 INFO L267 ElimStorePlain]: Start of recursive call 249: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:37,581 INFO L267 ElimStorePlain]: Start of recursive call 247: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 16:34:43,453 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 106 dim-0 vars, and 32 xjuncts. [2018-12-09 16:34:43,453 INFO L202 ElimStorePlain]: Needed 253 recursive calls to eliminate 7 variables, input treesize:270, output treesize:6280 [2018-12-09 16:35:00,596 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-12-09 16:35:00,797 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 16:35:00,798 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$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:187) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SmtUtils.simplify(SmtUtils.java:151) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:354) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:575) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$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) ... 45 more [2018-12-09 16:35:00,802 INFO L168 Benchmark]: Toolchain (without parser) took 163863.10 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 223.3 MB). Free memory was 938.0 MB in the beginning and 857.0 MB in the end (delta: 81.0 MB). Peak memory consumption was 304.4 MB. Max. memory is 11.5 GB. [2018-12-09 16:35:00,802 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-12-09 16:35:00,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -166.9 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2018-12-09 16:35:00,802 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.93 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. [2018-12-09 16:35:00,802 INFO L168 Benchmark]: Boogie Preprocessor took 24.31 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. [2018-12-09 16:35:00,803 INFO L168 Benchmark]: RCFGBuilder took 312.29 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: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. [2018-12-09 16:35:00,803 INFO L168 Benchmark]: TraceAbstraction took 163156.40 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 92.3 MB). Free memory was 1.1 GB in the beginning and 857.0 MB in the end (delta: 200.9 MB). Peak memory consumption was 293.2 MB. Max. memory is 11.5 GB. [2018-12-09 16:35:00,804 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 348.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -166.9 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.93 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 24.31 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. * RCFGBuilder took 312.29 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: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 163156.40 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 92.3 MB). Free memory was 1.1 GB in the beginning and 857.0 MB in the end (delta: 200.9 MB). Peak memory consumption was 293.2 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...