./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/memsafety-ext2/split_list_test05_false-valid-deref.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext2/split_list_test05_false-valid-deref.i -s /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 51d92de6cf360cbe25a9302b43933e75c2fd2ccd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext2/split_list_test05_false-valid-deref.i -s /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 51d92de6cf360cbe25a9302b43933e75c2fd2ccd ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimCell_54 term size 61 --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:05:21,192 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:05:21,194 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:05:21,202 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:05:21,202 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:05:21,203 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:05:21,204 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:05:21,205 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:05:21,206 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:05:21,206 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:05:21,207 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:05:21,207 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:05:21,208 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:05:21,209 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:05:21,209 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:05:21,210 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:05:21,211 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:05:21,212 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:05:21,213 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:05:21,214 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:05:21,215 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:05:21,215 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:05:21,217 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:05:21,217 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:05:21,217 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:05:21,218 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:05:21,218 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:05:21,219 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:05:21,220 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:05:21,220 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:05:21,221 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:05:21,221 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:05:21,222 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:05:21,222 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:05:21,222 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:05:21,223 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:05:21,223 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-11-18 17:05:21,233 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:05:21,233 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:05:21,234 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:05:21,234 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:05:21,234 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:05:21,235 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:05:21,235 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:05:21,235 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:05:21,235 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:05:21,235 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:05:21,235 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:05:21,235 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:05:21,236 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:05:21,236 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:05:21,236 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:05:21,236 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:05:21,237 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:05:21,237 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 17:05:21,237 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:05:21,237 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:05:21,238 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:05:21,238 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-18 17:05:21,239 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-18 17:05:21,239 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-18 17:05:21,239 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:05:21,239 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:05:21,239 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:05:21,239 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:05:21,239 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:05:21,240 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:05:21,240 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:05:21,240 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:05:21,240 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:05:21,240 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:05:21,240 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:05:21,240 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:05:21,241 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:05:21,241 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_fda1b983-8c53-4e63-9da0-e3e440f48f02/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 51d92de6cf360cbe25a9302b43933e75c2fd2ccd [2018-11-18 17:05:21,268 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:05:21,277 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:05:21,279 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:05:21,281 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:05:21,281 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:05:21,282 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/../../sv-benchmarks/c/memsafety-ext2/split_list_test05_false-valid-deref.i [2018-11-18 17:05:21,330 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/data/3bf296dac/3956f47607d642c195c0584b631267bf/FLAG36c73a96c [2018-11-18 17:05:21,730 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:05:21,731 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/sv-benchmarks/c/memsafety-ext2/split_list_test05_false-valid-deref.i [2018-11-18 17:05:21,740 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/data/3bf296dac/3956f47607d642c195c0584b631267bf/FLAG36c73a96c [2018-11-18 17:05:21,752 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/data/3bf296dac/3956f47607d642c195c0584b631267bf [2018-11-18 17:05:21,754 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:05:21,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:05:21,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:05:21,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:05:21,759 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:05:21,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:05:21" (1/1) ... [2018-11-18 17:05:21,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44021729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:05:21, skipping insertion in model container [2018-11-18 17:05:21,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:05:21" (1/1) ... [2018-11-18 17:05:21,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:05:21,800 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:05:22,027 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:05:22,033 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:05:22,119 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:05:22,158 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:05:22,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:05:22 WrapperNode [2018-11-18 17:05:22,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:05:22,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:05:22,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:05:22,159 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:05:22,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:05:22" (1/1) ... [2018-11-18 17:05:22,179 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:05:22" (1/1) ... [2018-11-18 17:05:22,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:05:22,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:05:22,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:05:22,185 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:05:22,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:05:22" (1/1) ... [2018-11-18 17:05:22,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:05:22" (1/1) ... [2018-11-18 17:05:22,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:05:22" (1/1) ... [2018-11-18 17:05:22,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:05:22" (1/1) ... [2018-11-18 17:05:22,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:05:22" (1/1) ... [2018-11-18 17:05:22,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:05:22" (1/1) ... [2018-11-18 17:05:22,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:05:22" (1/1) ... [2018-11-18 17:05:22,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:05:22,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:05:22,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:05:22,217 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:05:22,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:05:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:05:22,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:05:22,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 17:05:22,258 INFO L130 BoogieDeclarations]: Found specification of procedure containsBody [2018-11-18 17:05:22,258 INFO L138 BoogieDeclarations]: Found implementation of procedure containsBody [2018-11-18 17:05:22,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 17:05:22,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:05:22,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:05:22,259 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:05:22,259 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:05:22,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 17:05:22,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 17:05:22,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 17:05:22,259 INFO L130 BoogieDeclarations]: Found specification of procedure containsHead [2018-11-18 17:05:22,260 INFO L138 BoogieDeclarations]: Found implementation of procedure containsHead [2018-11-18 17:05:22,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:05:22,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:05:22,260 INFO L130 BoogieDeclarations]: Found specification of procedure append [2018-11-18 17:05:22,260 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2018-11-18 17:05:22,882 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:05:22,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:05:22 BoogieIcfgContainer [2018-11-18 17:05:22,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:05:22,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:05:22,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:05:22,886 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:05:22,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:05:21" (1/3) ... [2018-11-18 17:05:22,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba4079e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:05:22, skipping insertion in model container [2018-11-18 17:05:22,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:05:22" (2/3) ... [2018-11-18 17:05:22,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba4079e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:05:22, skipping insertion in model container [2018-11-18 17:05:22,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:05:22" (3/3) ... [2018-11-18 17:05:22,889 INFO L112 eAbstractionObserver]: Analyzing ICFG split_list_test05_false-valid-deref.i [2018-11-18 17:05:22,896 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:05:22,901 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 141 error locations. [2018-11-18 17:05:22,910 INFO L257 AbstractCegarLoop]: Starting to check reachability of 141 error locations. [2018-11-18 17:05:22,928 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:05:22,928 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-18 17:05:22,928 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:05:22,928 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:05:22,928 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:05:22,929 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:05:22,929 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:05:22,929 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:05:22,946 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states. [2018-11-18 17:05:22,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 17:05:22,952 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:05:22,952 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:05:22,955 INFO L423 AbstractCegarLoop]: === Iteration 1 === [containsHeadErr21REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, appendErr0REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION]=== [2018-11-18 17:05:22,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:05:22,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1910439333, now seen corresponding path program 1 times [2018-11-18 17:05:22,962 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:05:22,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:05:22,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:05:22,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:05:22,992 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:05:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:05:23,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:05:23,061 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:05:23,061 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 17:05:23,061 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:05:23,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:05:23,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:05:23,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:05:23,074 INFO L87 Difference]: Start difference. First operand 330 states. Second operand 3 states. [2018-11-18 17:05:23,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:05:23,345 INFO L93 Difference]: Finished difference Result 391 states and 436 transitions. [2018-11-18 17:05:23,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:05:23,346 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-18 17:05:23,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:05:23,354 INFO L225 Difference]: With dead ends: 391 [2018-11-18 17:05:23,354 INFO L226 Difference]: Without dead ends: 388 [2018-11-18 17:05:23,355 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:05:23,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2018-11-18 17:05:23,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 343. [2018-11-18 17:05:23,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2018-11-18 17:05:23,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 387 transitions. [2018-11-18 17:05:23,393 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 387 transitions. Word has length 7 [2018-11-18 17:05:23,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:05:23,394 INFO L480 AbstractCegarLoop]: Abstraction has 343 states and 387 transitions. [2018-11-18 17:05:23,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:05:23,394 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 387 transitions. [2018-11-18 17:05:23,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 17:05:23,394 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:05:23,395 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:05:23,395 INFO L423 AbstractCegarLoop]: === Iteration 2 === [containsHeadErr21REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, appendErr0REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION]=== [2018-11-18 17:05:23,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:05:23,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1910439332, now seen corresponding path program 1 times [2018-11-18 17:05:23,396 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:05:23,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:05:23,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:05:23,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:05:23,397 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:05:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:05:23,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:05:23,422 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:05:23,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 17:05:23,423 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:05:23,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:05:23,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:05:23,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:05:23,424 INFO L87 Difference]: Start difference. First operand 343 states and 387 transitions. Second operand 3 states. [2018-11-18 17:05:23,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:05:23,570 INFO L93 Difference]: Finished difference Result 345 states and 391 transitions. [2018-11-18 17:05:23,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:05:23,571 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-18 17:05:23,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:05:23,572 INFO L225 Difference]: With dead ends: 345 [2018-11-18 17:05:23,572 INFO L226 Difference]: Without dead ends: 345 [2018-11-18 17:05:23,573 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:05:23,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2018-11-18 17:05:23,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 341. [2018-11-18 17:05:23,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2018-11-18 17:05:23,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 385 transitions. [2018-11-18 17:05:23,587 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 385 transitions. Word has length 7 [2018-11-18 17:05:23,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:05:23,588 INFO L480 AbstractCegarLoop]: Abstraction has 341 states and 385 transitions. [2018-11-18 17:05:23,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:05:23,588 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 385 transitions. [2018-11-18 17:05:23,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 17:05:23,588 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:05:23,589 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:05:23,589 INFO L423 AbstractCegarLoop]: === Iteration 3 === [containsHeadErr21REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, appendErr0REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION]=== [2018-11-18 17:05:23,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:05:23,590 INFO L82 PathProgramCache]: Analyzing trace with hash 254724851, now seen corresponding path program 1 times [2018-11-18 17:05:23,590 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:05:23,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:05:23,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:05:23,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:05:23,591 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:05:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:05:23,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:05:23,641 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:05:23,642 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 17:05:23,642 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:05:23,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:05:23,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:05:23,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:05:23,643 INFO L87 Difference]: Start difference. First operand 341 states and 385 transitions. Second operand 3 states. [2018-11-18 17:05:23,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:05:23,822 INFO L93 Difference]: Finished difference Result 336 states and 380 transitions. [2018-11-18 17:05:23,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:05:23,822 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-18 17:05:23,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:05:23,824 INFO L225 Difference]: With dead ends: 336 [2018-11-18 17:05:23,824 INFO L226 Difference]: Without dead ends: 336 [2018-11-18 17:05:23,825 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:05:23,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2018-11-18 17:05:23,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 336. [2018-11-18 17:05:23,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2018-11-18 17:05:23,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 380 transitions. [2018-11-18 17:05:23,840 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 380 transitions. Word has length 15 [2018-11-18 17:05:23,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:05:23,841 INFO L480 AbstractCegarLoop]: Abstraction has 336 states and 380 transitions. [2018-11-18 17:05:23,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:05:23,841 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 380 transitions. [2018-11-18 17:05:23,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 17:05:23,842 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:05:23,842 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:05:23,843 INFO L423 AbstractCegarLoop]: === Iteration 4 === [containsHeadErr21REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, appendErr0REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION]=== [2018-11-18 17:05:23,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:05:23,843 INFO L82 PathProgramCache]: Analyzing trace with hash 254724852, now seen corresponding path program 1 times [2018-11-18 17:05:23,844 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:05:23,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:05:23,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:05:23,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:05:23,845 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:05:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:05:23,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:05:23,876 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:05:23,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 17:05:23,877 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:05:23,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:05:23,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:05:23,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:05:23,878 INFO L87 Difference]: Start difference. First operand 336 states and 380 transitions. Second operand 3 states. [2018-11-18 17:05:24,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:05:24,003 INFO L93 Difference]: Finished difference Result 331 states and 375 transitions. [2018-11-18 17:05:24,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:05:24,003 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-18 17:05:24,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:05:24,004 INFO L225 Difference]: With dead ends: 331 [2018-11-18 17:05:24,005 INFO L226 Difference]: Without dead ends: 331 [2018-11-18 17:05:24,005 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:05:24,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2018-11-18 17:05:24,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 331. [2018-11-18 17:05:24,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2018-11-18 17:05:24,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 375 transitions. [2018-11-18 17:05:24,015 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 375 transitions. Word has length 15 [2018-11-18 17:05:24,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:05:24,015 INFO L480 AbstractCegarLoop]: Abstraction has 331 states and 375 transitions. [2018-11-18 17:05:24,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:05:24,015 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 375 transitions. [2018-11-18 17:05:24,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 17:05:24,016 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:05:24,016 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:05:24,017 INFO L423 AbstractCegarLoop]: === Iteration 5 === [containsHeadErr21REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, appendErr0REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION]=== [2018-11-18 17:05:24,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:05:24,017 INFO L82 PathProgramCache]: Analyzing trace with hash -693463788, now seen corresponding path program 1 times [2018-11-18 17:05:24,017 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:05:24,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:05:24,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:05:24,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:05:24,018 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:05:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:05:24,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:05:24,083 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:05:24,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 17:05:24,083 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:05:24,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:05:24,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:05:24,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:05:24,084 INFO L87 Difference]: Start difference. First operand 331 states and 375 transitions. Second operand 6 states. [2018-11-18 17:05:24,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:05:24,426 INFO L93 Difference]: Finished difference Result 364 states and 407 transitions. [2018-11-18 17:05:24,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 17:05:24,427 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-11-18 17:05:24,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:05:24,428 INFO L225 Difference]: With dead ends: 364 [2018-11-18 17:05:24,428 INFO L226 Difference]: Without dead ends: 364 [2018-11-18 17:05:24,428 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:05:24,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-11-18 17:05:24,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 323. [2018-11-18 17:05:24,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2018-11-18 17:05:24,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 367 transitions. [2018-11-18 17:05:24,435 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 367 transitions. Word has length 16 [2018-11-18 17:05:24,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:05:24,436 INFO L480 AbstractCegarLoop]: Abstraction has 323 states and 367 transitions. [2018-11-18 17:05:24,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:05:24,436 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 367 transitions. [2018-11-18 17:05:24,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 17:05:24,436 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:05:24,436 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:05:24,437 INFO L423 AbstractCegarLoop]: === Iteration 6 === [containsHeadErr21REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, appendErr0REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION]=== [2018-11-18 17:05:24,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:05:24,437 INFO L82 PathProgramCache]: Analyzing trace with hash -693463787, now seen corresponding path program 1 times [2018-11-18 17:05:24,437 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:05:24,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:05:24,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:05:24,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:05:24,438 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:05:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:05:24,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:05:24,497 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:05:24,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 17:05:24,497 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:05:24,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:05:24,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:05:24,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:05:24,498 INFO L87 Difference]: Start difference. First operand 323 states and 367 transitions. Second operand 6 states. [2018-11-18 17:05:24,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:05:24,847 INFO L93 Difference]: Finished difference Result 354 states and 397 transitions. [2018-11-18 17:05:24,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 17:05:24,848 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-11-18 17:05:24,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:05:24,849 INFO L225 Difference]: With dead ends: 354 [2018-11-18 17:05:24,850 INFO L226 Difference]: Without dead ends: 354 [2018-11-18 17:05:24,850 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:05:24,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2018-11-18 17:05:24,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 314. [2018-11-18 17:05:24,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314 states. [2018-11-18 17:05:24,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 357 transitions. [2018-11-18 17:05:24,858 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 357 transitions. Word has length 16 [2018-11-18 17:05:24,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:05:24,858 INFO L480 AbstractCegarLoop]: Abstraction has 314 states and 357 transitions. [2018-11-18 17:05:24,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:05:24,858 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 357 transitions. [2018-11-18 17:05:24,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 17:05:24,859 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:05:24,859 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:05:24,859 INFO L423 AbstractCegarLoop]: === Iteration 7 === [containsHeadErr21REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, appendErr0REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION]=== [2018-11-18 17:05:24,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:05:24,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1608563474, now seen corresponding path program 1 times [2018-11-18 17:05:24,860 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:05:24,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:05:24,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:05:24,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:05:24,865 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:05:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:05:24,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:05:24,957 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:05:24,957 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 17:05:24,957 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:05:24,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:05:24,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:05:24,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:05:24,958 INFO L87 Difference]: Start difference. First operand 314 states and 357 transitions. Second operand 7 states. [2018-11-18 17:05:25,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:05:25,174 INFO L93 Difference]: Finished difference Result 329 states and 375 transitions. [2018-11-18 17:05:25,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:05:25,176 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-11-18 17:05:25,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:05:25,177 INFO L225 Difference]: With dead ends: 329 [2018-11-18 17:05:25,177 INFO L226 Difference]: Without dead ends: 329 [2018-11-18 17:05:25,177 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:05:25,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-11-18 17:05:25,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 323. [2018-11-18 17:05:25,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2018-11-18 17:05:25,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 368 transitions. [2018-11-18 17:05:25,186 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 368 transitions. Word has length 25 [2018-11-18 17:05:25,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:05:25,187 INFO L480 AbstractCegarLoop]: Abstraction has 323 states and 368 transitions. [2018-11-18 17:05:25,187 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:05:25,187 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 368 transitions. [2018-11-18 17:05:25,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 17:05:25,187 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:05:25,187 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:05:25,188 INFO L423 AbstractCegarLoop]: === Iteration 8 === [containsHeadErr21REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, appendErr0REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION]=== [2018-11-18 17:05:25,188 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:05:25,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1574960559, now seen corresponding path program 1 times [2018-11-18 17:05:25,188 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:05:25,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:05:25,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:05:25,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:05:25,189 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:05:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:05:25,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:05:25,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:05:25,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 17:05:25,342 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:05:25,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 17:05:25,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 17:05:25,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:05:25,343 INFO L87 Difference]: Start difference. First operand 323 states and 368 transitions. Second operand 8 states. [2018-11-18 17:05:25,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:05:25,525 INFO L93 Difference]: Finished difference Result 328 states and 373 transitions. [2018-11-18 17:05:25,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:05:25,526 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2018-11-18 17:05:25,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:05:25,527 INFO L225 Difference]: With dead ends: 328 [2018-11-18 17:05:25,527 INFO L226 Difference]: Without dead ends: 328 [2018-11-18 17:05:25,528 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-11-18 17:05:25,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2018-11-18 17:05:25,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 326. [2018-11-18 17:05:25,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2018-11-18 17:05:25,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 371 transitions. [2018-11-18 17:05:25,535 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 371 transitions. Word has length 27 [2018-11-18 17:05:25,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:05:25,535 INFO L480 AbstractCegarLoop]: Abstraction has 326 states and 371 transitions. [2018-11-18 17:05:25,536 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 17:05:25,536 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 371 transitions. [2018-11-18 17:05:25,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 17:05:25,536 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:05:25,537 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:05:25,537 INFO L423 AbstractCegarLoop]: === Iteration 9 === [containsHeadErr21REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr2REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, appendErr0REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION]=== [2018-11-18 17:05:25,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:05:25,537 INFO L82 PathProgramCache]: Analyzing trace with hash -411531216, now seen corresponding path program 1 times [2018-11-18 17:05:25,537 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:05:25,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:05:25,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:05:25,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:05:25,538 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:05:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:05:25,906 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:05:25,906 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:05:25,906 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:05:25,907 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 43 with the following transitions: [2018-11-18 17:05:25,908 INFO L202 CegarAbsIntRunner]: [0], [1], [217], [218], [221], [224], [228], [232], [236], [244], [247], [449], [450], [453], [456], [459], [460], [463], [465], [469], [470], [473], [476], [479], [482], [483], [486], [489], [490], [493], [497], [503], [504], [505], [506], [508], [509], [510] [2018-11-18 17:05:25,931 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:05:25,931 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:05:26,110 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:05:26,111 INFO L272 AbstractInterpreter]: Visited 38 different actions 63 times. Merged at 1 different actions 2 times. Never widened. Performed 462 root evaluator evaluations with a maximum evaluation depth of 3. Performed 462 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 1 different actions. Largest state had 33 variables. [2018-11-18 17:05:26,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:05:26,121 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:05:26,122 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:05:26,122 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:05:26,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:05:26,136 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:05:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:05:26,184 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:05:26,321 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-18 17:05:26,325 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 17:05:26,325 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:26,331 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:26,351 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:26,351 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2018-11-18 17:05:26,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 35 [2018-11-18 17:05:26,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-11-18 17:05:26,398 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:26,416 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 30 [2018-11-18 17:05:26,417 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-18 17:05:26,427 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 17:05:26,437 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 17:05:26,437 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:38, output treesize:70 [2018-11-18 17:05:26,502 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 65 [2018-11-18 17:05:26,507 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:05:26,508 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 76 [2018-11-18 17:05:26,508 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:26,528 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:05:26,535 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 54 [2018-11-18 17:05:26,536 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-18 17:05:26,554 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 17:05:26,588 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 28 [2018-11-18 17:05:26,591 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:05:26,592 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-11-18 17:05:26,593 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:26,601 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:26,621 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-18 17:05:26,621 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:102, output treesize:115 [2018-11-18 17:05:26,688 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:05:26,689 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:05:26,690 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 60 [2018-11-18 17:05:26,690 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:26,716 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 17:05:26,716 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:139, output treesize:60 [2018-11-18 17:05:26,780 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:05:26,781 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:05:26,782 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:05:26,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 52 [2018-11-18 17:05:26,783 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:26,796 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 17:05:26,796 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:74, output treesize:82 [2018-11-18 17:05:26,881 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2018-11-18 17:05:26,883 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 17:05:26,883 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:26,890 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:26,903 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 17:05:26,904 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:98, output treesize:85 [2018-11-18 17:05:26,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2018-11-18 17:05:26,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 17:05:26,941 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:26,948 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:26,961 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-11-18 17:05:26,961 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:98, output treesize:94 [2018-11-18 17:05:27,006 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 65 [2018-11-18 17:05:27,011 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:27,012 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2018-11-18 17:05:27,012 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:27,022 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:05:27,022 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-11-18 17:05:27,023 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:27,029 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-18 17:05:27,030 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:27,034 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:27,042 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 17:05:27,042 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:103, output treesize:28 [2018-11-18 17:05:27,075 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:05:27,075 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:05:29,460 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:29,461 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:29,462 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:29,464 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 292 [2018-11-18 17:05:29,464 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:29,486 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 283 treesize of output 174 [2018-11-18 17:05:29,542 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-11-18 17:05:29,542 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:29,572 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 128 treesize of output 122 [2018-11-18 17:05:29,683 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 62 [2018-11-18 17:05:29,686 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:29,686 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 61 [2018-11-18 17:05:29,687 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:29,711 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:29,723 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 69 [2018-11-18 17:05:29,724 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-18 17:05:29,754 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 17:05:29,806 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 60 [2018-11-18 17:05:29,808 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:29,808 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 28 [2018-11-18 17:05:29,808 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:29,817 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:29,860 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 43 [2018-11-18 17:05:29,862 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:29,871 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 38 [2018-11-18 17:05:29,871 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-11-18 17:05:29,881 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 17:05:29,883 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 43 [2018-11-18 17:05:29,885 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:29,885 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:29,889 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 33 [2018-11-18 17:05:29,890 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-11-18 17:05:29,903 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 17:05:29,907 INFO L477 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 43 [2018-11-18 17:05:29,909 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:29,924 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 39 treesize of output 69 [2018-11-18 17:05:29,925 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 3 xjuncts. [2018-11-18 17:05:29,947 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 17:05:30,002 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 54 [2018-11-18 17:05:30,005 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:30,026 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 46 treesize of output 72 [2018-11-18 17:05:30,027 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 3 xjuncts. [2018-11-18 17:05:30,060 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:30,060 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 40 [2018-11-18 17:05:30,061 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:30,087 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 20 [2018-11-18 17:05:30,088 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:30,109 INFO L267 ElimStorePlain]: Start of recursive call 17: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-18 17:05:30,160 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-11-18 17:05:30,181 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-11-18 17:05:30,211 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-11-18 17:05:30,211 INFO L202 ElimStorePlain]: Needed 20 recursive calls to eliminate 8 variables, input treesize:130, output treesize:59 [2018-11-18 17:05:32,269 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-11-18 17:05:36,583 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 91 [2018-11-18 17:05:36,604 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-11-18 17:05:36,604 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:36,641 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 76 [2018-11-18 17:05:36,686 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 53 [2018-11-18 17:05:36,688 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:36,689 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 28 [2018-11-18 17:05:36,689 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:36,698 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:36,700 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 74 [2018-11-18 17:05:36,702 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:36,702 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 28 [2018-11-18 17:05:36,702 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:36,712 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:36,714 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 64 [2018-11-18 17:05:36,716 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:36,717 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 28 [2018-11-18 17:05:36,717 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:36,728 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:36,828 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 61 [2018-11-18 17:05:36,831 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:36,832 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 60 [2018-11-18 17:05:36,832 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:36,865 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:36,878 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 71 [2018-11-18 17:05:36,878 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-11-18 17:05:36,912 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 17:05:36,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 72 [2018-11-18 17:05:36,927 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:36,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 82 [2018-11-18 17:05:36,938 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-11-18 17:05:36,977 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:36,977 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 71 [2018-11-18 17:05:36,978 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:37,012 INFO L267 ElimStorePlain]: Start of recursive call 14: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 17:05:37,159 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 58 [2018-11-18 17:05:37,161 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 26 [2018-11-18 17:05:37,174 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 6 [2018-11-18 17:05:37,174 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:37,181 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 21 [2018-11-18 17:05:37,182 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 17:05:37,194 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-11-18 17:05:37,218 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:37,219 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2018-11-18 17:05:37,219 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:37,240 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-18 17:05:37,242 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 58 [2018-11-18 17:05:37,244 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:37,244 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2018-11-18 17:05:37,244 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:37,252 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 26 [2018-11-18 17:05:37,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 21 [2018-11-18 17:05:37,266 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 17:05:37,267 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 6 [2018-11-18 17:05:37,267 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:37,277 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-11-18 17:05:37,298 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-11-18 17:05:37,303 INFO L477 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 1 case distinctions, treesize of input 53 treesize of output 55 [2018-11-18 17:05:37,306 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:37,314 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 58 [2018-11-18 17:05:37,315 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 17:05:37,342 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:37,342 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 41 [2018-11-18 17:05:37,343 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:37,373 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2018-11-18 17:05:37,373 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 17:05:37,395 INFO L267 ElimStorePlain]: Start of recursive call 27: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-18 17:05:37,402 INFO L477 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 1 case distinctions, treesize of input 55 treesize of output 55 [2018-11-18 17:05:37,405 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:37,418 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 57 [2018-11-18 17:05:37,418 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 2 xjuncts. [2018-11-18 17:05:37,445 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2018-11-18 17:05:37,446 INFO L267 ElimStorePlain]: Start of recursive call 33: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 17:05:37,448 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 36 [2018-11-18 17:05:37,448 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 17:05:37,474 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:37,493 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 86 [2018-11-18 17:05:37,494 INFO L267 ElimStorePlain]: Start of recursive call 35: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-18 17:05:37,562 INFO L267 ElimStorePlain]: Start of recursive call 31: 3 dim-1 vars, End of recursive call: 4 dim-0 vars, and 7 xjuncts. [2018-11-18 17:05:37,571 INFO L477 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 1 case distinctions, treesize of input 53 treesize of output 55 [2018-11-18 17:05:37,573 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 46 [2018-11-18 17:05:37,574 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 17:05:37,598 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:37,599 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 37 [2018-11-18 17:05:37,599 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:37,621 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:37,634 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 58 [2018-11-18 17:05:37,635 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 17:05:37,664 INFO L267 ElimStorePlain]: Start of recursive call 36: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-18 17:05:37,667 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 58 [2018-11-18 17:05:37,669 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 26 [2018-11-18 17:05:37,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 6 [2018-11-18 17:05:37,678 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:37,683 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 21 [2018-11-18 17:05:37,684 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 17:05:37,694 INFO L267 ElimStorePlain]: Start of recursive call 41: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-11-18 17:05:37,720 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:37,736 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 32 [2018-11-18 17:05:37,736 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 2 xjuncts. [2018-11-18 17:05:37,766 INFO L267 ElimStorePlain]: Start of recursive call 40: 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 8 xjuncts. [2018-11-18 17:05:38,088 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 62 [2018-11-18 17:05:38,091 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 44 [2018-11-18 17:05:38,091 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:38,130 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 41 [2018-11-18 17:05:38,130 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:38,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 40 [2018-11-18 17:05:38,168 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 17:05:38,210 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 49 [2018-11-18 17:05:38,211 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 17:05:38,265 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:38,266 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2018-11-18 17:05:38,266 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:38,268 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:38,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 35 [2018-11-18 17:05:38,268 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:38,317 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:38,328 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 52 [2018-11-18 17:05:38,329 INFO L267 ElimStorePlain]: Start of recursive call 52: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 17:05:38,394 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:38,413 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 85 [2018-11-18 17:05:38,414 INFO L267 ElimStorePlain]: Start of recursive call 53: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-18 17:05:38,501 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:38,501 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 31 [2018-11-18 17:05:38,502 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:38,578 INFO L267 ElimStorePlain]: Start of recursive call 45: 8 dim-1 vars, End of recursive call: 5 dim-0 vars, and 9 xjuncts. [2018-11-18 17:05:38,588 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 65 [2018-11-18 17:05:38,590 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:38,591 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 48 [2018-11-18 17:05:38,591 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:38,620 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 53 [2018-11-18 17:05:38,656 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 45 [2018-11-18 17:05:38,657 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 17:05:38,662 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 42 [2018-11-18 17:05:38,663 INFO L267 ElimStorePlain]: Start of recursive call 59: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 17:05:38,665 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2018-11-18 17:05:38,665 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:38,724 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 37 [2018-11-18 17:05:38,724 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 2 xjuncts. [2018-11-18 17:05:38,737 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 60 [2018-11-18 17:05:38,738 INFO L267 ElimStorePlain]: Start of recursive call 62: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-18 17:05:38,812 INFO L267 ElimStorePlain]: Start of recursive call 57: 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 8 xjuncts. [2018-11-18 17:05:38,897 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:05:38,897 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 51 [2018-11-18 17:05:38,897 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:38,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 47 [2018-11-18 17:05:38,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 21 [2018-11-18 17:05:38,992 INFO L267 ElimStorePlain]: Start of recursive call 65: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 17:05:38,993 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 6 [2018-11-18 17:05:38,993 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:39,010 INFO L267 ElimStorePlain]: Start of recursive call 64: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-11-18 17:05:39,106 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2018-11-18 17:05:39,107 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:39,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2018-11-18 17:05:39,108 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:39,110 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 34 [2018-11-18 17:05:39,111 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:39,200 INFO L267 ElimStorePlain]: Start of recursive call 55: 5 dim-1 vars, End of recursive call: 6 dim-0 vars, and 11 xjuncts. [2018-11-18 17:05:39,690 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 68 [2018-11-18 17:05:39,698 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 53 [2018-11-18 17:05:39,728 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 42 [2018-11-18 17:05:39,728 INFO L267 ElimStorePlain]: Start of recursive call 72: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 17:05:39,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2018-11-18 17:05:39,730 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:39,736 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 45 [2018-11-18 17:05:39,736 INFO L267 ElimStorePlain]: Start of recursive call 74: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 17:05:39,810 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 60 [2018-11-18 17:05:39,812 INFO L267 ElimStorePlain]: Start of recursive call 75: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-18 17:05:39,817 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 37 [2018-11-18 17:05:39,817 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 2 xjuncts. [2018-11-18 17:05:39,892 INFO L267 ElimStorePlain]: Start of recursive call 71: 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 8 xjuncts. [2018-11-18 17:05:40,215 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:05:40,215 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_prenex_38 term size 52 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.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:429) 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:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 17:05:40,218 INFO L168 Benchmark]: Toolchain (without parser) took 18464.00 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 340.8 MB). Free memory was 951.1 MB in the beginning and 836.2 MB in the end (delta: 114.9 MB). Peak memory consumption was 455.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:05:40,219 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:05:40,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 402.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:05:40,220 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.37 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:05:40,220 INFO L168 Benchmark]: Boogie Preprocessor took 32.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:05:40,220 INFO L168 Benchmark]: RCFGBuilder took 665.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 90.2 MB). Peak memory consumption was 90.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:05:40,220 INFO L168 Benchmark]: TraceAbstraction took 17334.08 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 221.8 MB). Free memory was 1.0 GB in the beginning and 836.2 MB in the end (delta: 172.2 MB). Peak memory consumption was 394.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:05:40,222 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 402.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.37 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 665.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 90.2 MB). Peak memory consumption was 90.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17334.08 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 221.8 MB). Free memory was 1.0 GB in the beginning and 836.2 MB in the end (delta: 172.2 MB). Peak memory consumption was 394.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_prenex_38 term size 52 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_prenex_38 term size 52: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 17:05:41,615 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:05:41,616 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:05:41,624 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:05:41,624 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:05:41,625 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:05:41,626 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:05:41,627 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:05:41,628 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:05:41,628 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:05:41,630 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:05:41,630 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:05:41,630 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:05:41,631 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:05:41,632 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:05:41,632 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:05:41,634 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:05:41,635 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:05:41,636 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:05:41,637 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:05:41,638 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:05:41,638 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:05:41,640 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:05:41,640 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:05:41,640 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:05:41,641 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:05:41,642 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:05:41,642 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:05:41,643 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:05:41,643 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:05:41,643 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:05:41,643 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:05:41,644 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:05:41,644 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:05:41,644 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:05:41,645 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:05:41,645 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2018-11-18 17:05:41,654 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:05:41,654 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:05:41,655 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:05:41,655 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:05:41,655 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:05:41,655 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:05:41,656 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:05:41,656 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:05:41,656 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:05:41,656 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:05:41,656 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:05:41,657 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:05:41,658 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:05:41,658 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:05:41,658 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 17:05:41,658 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:05:41,658 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:05:41,658 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:05:41,658 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-18 17:05:41,659 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-18 17:05:41,659 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-18 17:05:41,659 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:05:41,659 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 17:05:41,659 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 17:05:41,659 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:05:41,659 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:05:41,659 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:05:41,660 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:05:41,660 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:05:41,660 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:05:41,660 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:05:41,660 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:05:41,660 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:05:41,660 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 17:05:41,661 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:05:41,661 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 17:05:41,661 INFO L133 SettingsManager]: * Logic for external solver=AUFBV 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_fda1b983-8c53-4e63-9da0-e3e440f48f02/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 51d92de6cf360cbe25a9302b43933e75c2fd2ccd [2018-11-18 17:05:41,691 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:05:41,699 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:05:41,702 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:05:41,703 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:05:41,703 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:05:41,704 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/../../sv-benchmarks/c/memsafety-ext2/split_list_test05_false-valid-deref.i [2018-11-18 17:05:41,748 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/data/d57714b8a/991ce53100d142cbac4bc38ae96aaceb/FLAG26d623e90 [2018-11-18 17:05:42,107 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:05:42,107 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/sv-benchmarks/c/memsafety-ext2/split_list_test05_false-valid-deref.i [2018-11-18 17:05:42,115 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/data/d57714b8a/991ce53100d142cbac4bc38ae96aaceb/FLAG26d623e90 [2018-11-18 17:05:42,123 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/data/d57714b8a/991ce53100d142cbac4bc38ae96aaceb [2018-11-18 17:05:42,125 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:05:42,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:05:42,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:05:42,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:05:42,130 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:05:42,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:05:42" (1/1) ... [2018-11-18 17:05:42,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1855e78d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:05:42, skipping insertion in model container [2018-11-18 17:05:42,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:05:42" (1/1) ... [2018-11-18 17:05:42,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:05:42,171 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:05:42,399 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:05:42,408 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:05:42,516 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:05:42,554 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:05:42,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:05:42 WrapperNode [2018-11-18 17:05:42,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:05:42,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:05:42,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:05:42,555 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:05:42,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:05:42" (1/1) ... [2018-11-18 17:05:42,576 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:05:42" (1/1) ... [2018-11-18 17:05:42,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:05:42,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:05:42,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:05:42,581 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:05:42,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:05:42" (1/1) ... [2018-11-18 17:05:42,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:05:42" (1/1) ... [2018-11-18 17:05:42,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:05:42" (1/1) ... [2018-11-18 17:05:42,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:05:42" (1/1) ... [2018-11-18 17:05:42,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:05:42" (1/1) ... [2018-11-18 17:05:42,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:05:42" (1/1) ... [2018-11-18 17:05:42,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:05:42" (1/1) ... [2018-11-18 17:05:42,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:05:42,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:05:42,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:05:42,620 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:05:42,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:05:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:05:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-18 17:05:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:05:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure containsBody [2018-11-18 17:05:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure containsBody [2018-11-18 17:05:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:05:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:05:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:05:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:05:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 17:05:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 17:05:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-18 17:05:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 17:05:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure containsHead [2018-11-18 17:05:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure containsHead [2018-11-18 17:05:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:05:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:05:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure append [2018-11-18 17:05:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2018-11-18 17:05:43,485 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:05:43,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:05:43 BoogieIcfgContainer [2018-11-18 17:05:43,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:05:43,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:05:43,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:05:43,490 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:05:43,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:05:42" (1/3) ... [2018-11-18 17:05:43,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47f13be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:05:43, skipping insertion in model container [2018-11-18 17:05:43,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:05:42" (2/3) ... [2018-11-18 17:05:43,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47f13be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:05:43, skipping insertion in model container [2018-11-18 17:05:43,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:05:43" (3/3) ... [2018-11-18 17:05:43,492 INFO L112 eAbstractionObserver]: Analyzing ICFG split_list_test05_false-valid-deref.i [2018-11-18 17:05:43,501 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:05:43,508 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 141 error locations. [2018-11-18 17:05:43,519 INFO L257 AbstractCegarLoop]: Starting to check reachability of 141 error locations. [2018-11-18 17:05:43,533 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 17:05:43,534 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:05:43,534 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-18 17:05:43,534 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:05:43,534 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:05:43,534 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:05:43,534 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:05:43,534 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:05:43,534 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:05:43,549 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states. [2018-11-18 17:05:43,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 17:05:43,554 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:05:43,554 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:05:43,556 INFO L423 AbstractCegarLoop]: === Iteration 1 === [containsHeadErr33REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr21REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION]=== [2018-11-18 17:05:43,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:05:43,559 INFO L82 PathProgramCache]: Analyzing trace with hash -2053144202, now seen corresponding path program 1 times [2018-11-18 17:05:43,562 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 17:05:43,562 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 17:05:43,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:05:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:05:43,612 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:05:43,649 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 17:05:43,651 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:43,656 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:43,656 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-18 17:05:43,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:05:43,663 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (2)] Exception during sending of exit command (exit): Broken pipe [2018-11-18 17:05:43,667 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:05:43,667 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 17:05:43,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:05:43,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:05:43,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:05:43,684 INFO L87 Difference]: Start difference. First operand 325 states. Second operand 3 states. [2018-11-18 17:05:44,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:05:44,083 INFO L93 Difference]: Finished difference Result 384 states and 429 transitions. [2018-11-18 17:05:44,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:05:44,090 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-18 17:05:44,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:05:44,101 INFO L225 Difference]: With dead ends: 384 [2018-11-18 17:05:44,101 INFO L226 Difference]: Without dead ends: 381 [2018-11-18 17:05:44,102 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:05:44,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-11-18 17:05:44,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 336. [2018-11-18 17:05:44,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2018-11-18 17:05:44,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 380 transitions. [2018-11-18 17:05:44,144 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 380 transitions. Word has length 7 [2018-11-18 17:05:44,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:05:44,144 INFO L480 AbstractCegarLoop]: Abstraction has 336 states and 380 transitions. [2018-11-18 17:05:44,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:05:44,145 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 380 transitions. [2018-11-18 17:05:44,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 17:05:44,145 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:05:44,145 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:05:44,145 INFO L423 AbstractCegarLoop]: === Iteration 2 === [containsHeadErr33REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr21REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION]=== [2018-11-18 17:05:44,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:05:44,146 INFO L82 PathProgramCache]: Analyzing trace with hash -2053144201, now seen corresponding path program 1 times [2018-11-18 17:05:44,146 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 17:05:44,146 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 17:05:44,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:05:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:05:44,184 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:05:44,197 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 17:05:44,198 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:44,202 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:44,202 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-18 17:05:44,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:05:44,208 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:05:44,213 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:05:44,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 17:05:44,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:05:44,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:05:44,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:05:44,214 INFO L87 Difference]: Start difference. First operand 336 states and 380 transitions. Second operand 3 states. [2018-11-18 17:05:44,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:05:44,585 INFO L93 Difference]: Finished difference Result 338 states and 384 transitions. [2018-11-18 17:05:44,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:05:44,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-18 17:05:44,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:05:44,587 INFO L225 Difference]: With dead ends: 338 [2018-11-18 17:05:44,587 INFO L226 Difference]: Without dead ends: 338 [2018-11-18 17:05:44,587 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:05:44,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-11-18 17:05:44,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 334. [2018-11-18 17:05:44,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2018-11-18 17:05:44,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 378 transitions. [2018-11-18 17:05:44,601 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 378 transitions. Word has length 7 [2018-11-18 17:05:44,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:05:44,602 INFO L480 AbstractCegarLoop]: Abstraction has 334 states and 378 transitions. [2018-11-18 17:05:44,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:05:44,602 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 378 transitions. [2018-11-18 17:05:44,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 17:05:44,602 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:05:44,602 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:05:44,603 INFO L423 AbstractCegarLoop]: === Iteration 3 === [containsHeadErr33REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr21REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION]=== [2018-11-18 17:05:44,603 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:05:44,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1056304041, now seen corresponding path program 1 times [2018-11-18 17:05:44,603 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 17:05:44,603 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 17:05:44,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:05:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:05:44,645 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:05:44,649 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 17:05:44,649 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:44,654 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:44,654 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-18 17:05:44,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:05:44,657 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:05:44,658 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:05:44,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 17:05:44,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:05:44,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:05:44,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:05:44,659 INFO L87 Difference]: Start difference. First operand 334 states and 378 transitions. Second operand 3 states. [2018-11-18 17:05:44,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:05:44,984 INFO L93 Difference]: Finished difference Result 329 states and 373 transitions. [2018-11-18 17:05:44,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:05:44,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-18 17:05:44,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:05:44,986 INFO L225 Difference]: With dead ends: 329 [2018-11-18 17:05:44,986 INFO L226 Difference]: Without dead ends: 329 [2018-11-18 17:05:44,986 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:05:44,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-11-18 17:05:44,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2018-11-18 17:05:44,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2018-11-18 17:05:44,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 373 transitions. [2018-11-18 17:05:44,996 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 373 transitions. Word has length 15 [2018-11-18 17:05:44,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:05:44,996 INFO L480 AbstractCegarLoop]: Abstraction has 329 states and 373 transitions. [2018-11-18 17:05:44,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:05:44,996 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 373 transitions. [2018-11-18 17:05:44,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 17:05:44,998 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:05:44,998 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:05:44,998 INFO L423 AbstractCegarLoop]: === Iteration 4 === [containsHeadErr33REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr21REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION]=== [2018-11-18 17:05:44,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:05:44,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1056304042, now seen corresponding path program 1 times [2018-11-18 17:05:44,999 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 17:05:44,999 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 17:05:45,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:05:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:05:45,048 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:05:45,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 17:05:45,053 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:45,071 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:45,071 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-18 17:05:45,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:05:45,080 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:05:45,084 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:05:45,084 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 17:05:45,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:05:45,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:05:45,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:05:45,085 INFO L87 Difference]: Start difference. First operand 329 states and 373 transitions. Second operand 3 states. [2018-11-18 17:05:45,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:05:45,477 INFO L93 Difference]: Finished difference Result 324 states and 368 transitions. [2018-11-18 17:05:45,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:05:45,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-18 17:05:45,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:05:45,479 INFO L225 Difference]: With dead ends: 324 [2018-11-18 17:05:45,479 INFO L226 Difference]: Without dead ends: 324 [2018-11-18 17:05:45,479 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:05:45,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2018-11-18 17:05:45,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 324. [2018-11-18 17:05:45,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2018-11-18 17:05:45,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 368 transitions. [2018-11-18 17:05:45,488 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 368 transitions. Word has length 15 [2018-11-18 17:05:45,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:05:45,489 INFO L480 AbstractCegarLoop]: Abstraction has 324 states and 368 transitions. [2018-11-18 17:05:45,489 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:05:45,489 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 368 transitions. [2018-11-18 17:05:45,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 17:05:45,489 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:05:45,490 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:05:45,490 INFO L423 AbstractCegarLoop]: === Iteration 5 === [containsHeadErr33REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr21REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION]=== [2018-11-18 17:05:45,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:05:45,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1614312679, now seen corresponding path program 1 times [2018-11-18 17:05:45,491 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 17:05:45,491 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 17:05:45,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:05:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:05:45,540 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:05:45,542 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 17:05:45,542 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:45,549 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:45,549 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-18 17:05:45,578 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-11-18 17:05:45,579 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:45,582 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 17:05:45,582 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2018-11-18 17:05:45,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:05:45,594 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:05:45,595 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:05:45,596 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 17:05:45,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 17:05:45,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 17:05:45,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:05:45,596 INFO L87 Difference]: Start difference. First operand 324 states and 368 transitions. Second operand 5 states. [2018-11-18 17:05:46,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:05:46,208 INFO L93 Difference]: Finished difference Result 357 states and 400 transitions. [2018-11-18 17:05:46,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 17:05:46,208 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-11-18 17:05:46,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:05:46,210 INFO L225 Difference]: With dead ends: 357 [2018-11-18 17:05:46,210 INFO L226 Difference]: Without dead ends: 357 [2018-11-18 17:05:46,210 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:05:46,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2018-11-18 17:05:46,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 316. [2018-11-18 17:05:46,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-11-18 17:05:46,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 360 transitions. [2018-11-18 17:05:46,216 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 360 transitions. Word has length 16 [2018-11-18 17:05:46,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:05:46,216 INFO L480 AbstractCegarLoop]: Abstraction has 316 states and 360 transitions. [2018-11-18 17:05:46,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 17:05:46,216 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 360 transitions. [2018-11-18 17:05:46,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 17:05:46,216 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:05:46,217 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:05:46,217 INFO L423 AbstractCegarLoop]: === Iteration 6 === [containsHeadErr33REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr21REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION]=== [2018-11-18 17:05:46,217 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:05:46,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1614312678, now seen corresponding path program 1 times [2018-11-18 17:05:46,217 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 17:05:46,218 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 17:05:46,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:05:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:05:46,265 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:05:46,269 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 17:05:46,269 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:46,275 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 17:05:46,276 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:46,280 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:46,280 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-11-18 17:05:46,302 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:05:46,303 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:05:46,304 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 23 [2018-11-18 17:05:46,304 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:46,315 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:05:46,315 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:05:46,316 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2018-11-18 17:05:46,316 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:46,324 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 17:05:46,324 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:16 [2018-11-18 17:05:46,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:05:46,336 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:05:46,337 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:05:46,337 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 17:05:46,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 17:05:46,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 17:05:46,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:05:46,338 INFO L87 Difference]: Start difference. First operand 316 states and 360 transitions. Second operand 5 states. [2018-11-18 17:05:47,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:05:47,187 INFO L93 Difference]: Finished difference Result 348 states and 391 transitions. [2018-11-18 17:05:47,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 17:05:47,187 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-11-18 17:05:47,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:05:47,188 INFO L225 Difference]: With dead ends: 348 [2018-11-18 17:05:47,189 INFO L226 Difference]: Without dead ends: 348 [2018-11-18 17:05:47,189 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:05:47,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2018-11-18 17:05:47,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 308. [2018-11-18 17:05:47,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2018-11-18 17:05:47,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 351 transitions. [2018-11-18 17:05:47,194 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 351 transitions. Word has length 16 [2018-11-18 17:05:47,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:05:47,194 INFO L480 AbstractCegarLoop]: Abstraction has 308 states and 351 transitions. [2018-11-18 17:05:47,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 17:05:47,194 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 351 transitions. [2018-11-18 17:05:47,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 17:05:47,195 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:05:47,195 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:05:47,195 INFO L423 AbstractCegarLoop]: === Iteration 7 === [containsHeadErr33REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr21REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION]=== [2018-11-18 17:05:47,195 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:05:47,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1332082940, now seen corresponding path program 1 times [2018-11-18 17:05:47,196 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 17:05:47,196 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 17:05:47,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:05:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:05:47,309 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:05:47,320 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-18 17:05:47,323 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 17:05:47,323 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:47,325 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:47,333 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-18 17:05:47,335 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-18 17:05:47,335 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:47,337 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:47,341 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:47,341 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:26, output treesize:18 [2018-11-18 17:05:47,358 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-11-18 17:05:47,362 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:05:47,363 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-18 17:05:47,363 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:47,370 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:47,385 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-11-18 17:05:47,388 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:05:47,389 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-18 17:05:47,389 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:47,393 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:47,401 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:47,402 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:44, output treesize:36 [2018-11-18 17:05:47,451 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-11-18 17:05:47,457 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-11-18 17:05:47,458 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:47,460 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:47,475 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-11-18 17:05:47,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-11-18 17:05:47,478 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:47,480 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:47,485 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:47,485 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:7 [2018-11-18 17:05:47,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:05:47,511 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:05:47,517 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:05:47,517 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 17:05:47,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:05:47,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:05:47,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:05:47,518 INFO L87 Difference]: Start difference. First operand 308 states and 351 transitions. Second operand 9 states. [2018-11-18 17:05:48,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:05:48,053 INFO L93 Difference]: Finished difference Result 322 states and 368 transitions. [2018-11-18 17:05:48,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 17:05:48,053 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2018-11-18 17:05:48,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:05:48,054 INFO L225 Difference]: With dead ends: 322 [2018-11-18 17:05:48,054 INFO L226 Difference]: Without dead ends: 322 [2018-11-18 17:05:48,054 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-11-18 17:05:48,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2018-11-18 17:05:48,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 316. [2018-11-18 17:05:48,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-11-18 17:05:48,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 361 transitions. [2018-11-18 17:05:48,061 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 361 transitions. Word has length 25 [2018-11-18 17:05:48,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:05:48,061 INFO L480 AbstractCegarLoop]: Abstraction has 316 states and 361 transitions. [2018-11-18 17:05:48,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:05:48,061 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 361 transitions. [2018-11-18 17:05:48,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 17:05:48,062 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:05:48,062 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:05:48,062 INFO L423 AbstractCegarLoop]: === Iteration 8 === [containsHeadErr33REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr21REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION]=== [2018-11-18 17:05:48,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:05:48,062 INFO L82 PathProgramCache]: Analyzing trace with hash 2129827399, now seen corresponding path program 1 times [2018-11-18 17:05:48,063 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 17:05:48,063 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/cvc4nyu Starting monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 17:05:48,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:05:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:05:48,134 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:05:48,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-18 17:05:48,147 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 17:05:48,147 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:48,149 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:48,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-18 17:05:48,160 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 17:05:48,160 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:48,161 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:48,166 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:48,167 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:30, output treesize:22 [2018-11-18 17:05:48,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:05:48,260 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:05:48,262 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:05:48,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 17:05:48,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 17:05:48,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 17:05:48,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:05:48,263 INFO L87 Difference]: Start difference. First operand 316 states and 361 transitions. Second operand 8 states. [2018-11-18 17:05:48,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:05:48,784 INFO L93 Difference]: Finished difference Result 321 states and 366 transitions. [2018-11-18 17:05:48,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:05:48,784 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2018-11-18 17:05:48,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:05:48,786 INFO L225 Difference]: With dead ends: 321 [2018-11-18 17:05:48,786 INFO L226 Difference]: Without dead ends: 321 [2018-11-18 17:05:48,786 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-11-18 17:05:48,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2018-11-18 17:05:48,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 319. [2018-11-18 17:05:48,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-11-18 17:05:48,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 364 transitions. [2018-11-18 17:05:48,794 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 364 transitions. Word has length 27 [2018-11-18 17:05:48,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:05:48,795 INFO L480 AbstractCegarLoop]: Abstraction has 319 states and 364 transitions. [2018-11-18 17:05:48,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 17:05:48,795 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 364 transitions. [2018-11-18 17:05:48,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 17:05:48,796 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:05:48,796 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:05:48,797 INFO L423 AbstractCegarLoop]: === Iteration 9 === [containsHeadErr33REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr21REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr25REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr7REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION]=== [2018-11-18 17:05:48,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:05:48,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1792571426, now seen corresponding path program 1 times [2018-11-18 17:05:48,797 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 17:05:48,797 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/cvc4nyu Starting monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 17:05:48,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:05:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:05:48,924 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:05:48,933 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-18 17:05:48,933 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:48,940 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:48,941 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-18 17:05:48,980 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-18 17:05:48,983 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 17:05:48,983 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:48,985 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:48,994 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:48,995 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:28 [2018-11-18 17:05:49,047 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 35 [2018-11-18 17:05:49,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-11-18 17:05:49,052 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:49,302 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 30 [2018-11-18 17:05:49,303 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-18 17:05:49,327 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 17:05:49,360 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 17:05:49,360 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:41, output treesize:76 [2018-11-18 17:05:49,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 68 [2018-11-18 17:05:49,531 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:05:49,532 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 79 [2018-11-18 17:05:49,533 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:49,634 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:05:52,580 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 55 [2018-11-18 17:05:52,581 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-18 17:05:52,648 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 17:05:52,745 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29 [2018-11-18 17:05:52,748 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:05:52,749 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-11-18 17:05:52,749 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:52,760 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:52,824 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-18 17:05:52,824 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:106, output treesize:120 [2018-11-18 17:05:52,933 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-11-18 17:05:52,933 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:53,002 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:05:53,004 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:05:53,004 INFO L477 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 29 treesize of output 33 [2018-11-18 17:05:53,005 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:53,025 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 17:05:53,026 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:144, output treesize:60 [2018-11-18 17:05:53,135 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:05:53,136 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:05:53,138 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:05:53,139 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 56 [2018-11-18 17:05:53,139 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:53,174 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 17:05:53,174 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:82 [2018-11-18 17:05:53,282 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2018-11-18 17:05:53,290 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 17:05:53,290 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:53,319 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:53,379 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 17:05:53,379 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:95, output treesize:82 [2018-11-18 17:05:53,480 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2018-11-18 17:05:53,493 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 17:05:53,493 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:53,531 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:53,630 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-11-18 17:05:53,630 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:95, output treesize:91 [2018-11-18 17:05:53,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 50 [2018-11-18 17:05:53,778 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-18 17:05:53,778 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:53,802 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:05:53,802 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-11-18 17:05:53,803 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:53,814 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 14 [2018-11-18 17:05:53,814 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 17:05:53,820 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:05:53,831 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 17:05:53,831 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:85, output treesize:31 [2018-11-18 17:05:53,894 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:05:53,894 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:05:56,760 WARN L180 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-11-18 17:06:04,003 WARN L180 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 31 [2018-11-18 17:06:12,740 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-11-18 17:06:12,952 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-11-18 17:06:13,077 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-11-18 17:06:13,093 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 74 [2018-11-18 17:06:13,268 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2018-11-18 17:06:13,281 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-11-18 17:06:13,281 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:06:13,352 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:06:13,352 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:06:13,358 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:06:13,374 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 79 [2018-11-18 17:06:13,481 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2018-11-18 17:06:13,502 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:06:13,883 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 40 [2018-11-18 17:06:13,887 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:06:13,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 39 [2018-11-18 17:06:13,889 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 17:06:15,452 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:06:15,479 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:06:15,480 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:06:15,481 INFO L477 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 28 treesize of output 45 [2018-11-18 17:06:15,481 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 17:06:15,535 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 17:06:15,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2018-11-18 17:06:15,639 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:06:15,641 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:06:15,642 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 27 [2018-11-18 17:06:15,643 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-18 17:06:15,656 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:06:15,660 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2018-11-18 17:06:15,665 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:06:15,666 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 19 [2018-11-18 17:06:15,666 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-18 17:06:15,680 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:06:15,711 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 17:06:15,739 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 17:06:15,776 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 17:06:15,777 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 6 variables, input treesize:127, output treesize:29 [2018-11-18 17:06:17,917 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:06:17,918 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fda1b983-8c53-4e63-9da0-e3e440f48f02/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:06:17,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:06:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:17,966 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:06:18,340 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-18 17:06:18,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 17:06:18,343 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:06:18,346 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:06:18,365 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:06:18,366 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:41, output treesize:37 [2018-11-18 17:06:18,508 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 35 [2018-11-18 17:06:18,513 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-11-18 17:06:18,513 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:06:18,830 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 30 [2018-11-18 17:06:18,831 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-18 17:06:18,871 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 17:06:18,920 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 17:06:18,920 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:50, output treesize:94 [2018-11-18 17:06:19,189 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-11-18 17:06:19,249 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 77 [2018-11-18 17:06:19,255 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:06:19,256 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 88 [2018-11-18 17:06:19,256 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:06:19,347 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:06:22,948 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 63 [2018-11-18 17:06:22,948 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-18 17:06:23,013 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 17:06:23,139 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 38 [2018-11-18 17:06:23,143 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:06:23,143 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-11-18 17:06:23,144 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-18 17:06:23,161 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:06:23,233 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-18 17:06:23,233 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:124, output treesize:147 [2018-11-18 17:06:23,418 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-11-18 17:06:23,418 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 17:06:23,452 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:06:23,454 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:06:23,454 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 10 [2018-11-18 17:06:23,454 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:06:23,491 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 17:06:23,491 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:171, output treesize:64 [2018-11-18 17:06:23,575 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:06:23,576 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:06:23,578 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:06:23,579 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 56 [2018-11-18 17:06:23,579 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 17:06:23,616 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 17:06:23,616 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:82 [2018-11-18 17:06:23,758 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2018-11-18 17:06:23,764 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 17:06:23,764 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:06:23,799 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:06:23,845 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 17:06:23,845 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:95, output treesize:82 [2018-11-18 17:06:23,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2018-11-18 17:06:23,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-18 17:06:23,937 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:06:23,963 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:06:24,007 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-11-18 17:06:24,007 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:95, output treesize:91 [2018-11-18 17:06:24,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 50 [2018-11-18 17:06:24,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-18 17:06:24,109 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:06:24,134 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:06:24,134 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-11-18 17:06:24,135 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 17:06:24,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 14 [2018-11-18 17:06:24,145 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 17:06:24,149 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:06:24,158 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 17:06:24,158 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:85, output treesize:31 [2018-11-18 17:06:24,182 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:24,182 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:06:25,107 WARN L180 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-18 17:06:25,576 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-11-18 17:06:25,787 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-11-18 17:06:25,913 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-11-18 17:06:26,198 WARN L180 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2018-11-18 17:06:26,214 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:06:26,214 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:06:26,214 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:06:26,220 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:06:26,221 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 196 [2018-11-18 17:06:26,221 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 17:06:26,356 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 189 treesize of output 120 [2018-11-18 17:06:26,612 WARN L180 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2018-11-18 17:06:26,618 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-11-18 17:06:26,618 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-18 17:06:26,673 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:06:26,688 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 93 [2018-11-18 17:06:26,800 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:06:27,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 40 [2018-11-18 17:06:27,058 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:06:27,077 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:06:27,077 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:06:27,078 INFO L477 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 31 treesize of output 55 [2018-11-18 17:06:27,079 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 17:06:31,159 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:06:31,160 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 39 [2018-11-18 17:06:31,160 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-18 17:06:34,871 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 17:06:36,246 INFO L477 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 47 treesize of output 39 [2018-11-18 17:06:36,252 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:06:36,253 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:06:36,254 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:06:36,255 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2018-11-18 17:06:36,255 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 17:06:36,270 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:06:36,284 INFO L477 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 47 treesize of output 39 [2018-11-18 17:06:36,344 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 17:06:36,345 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:06:36,346 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 22 [2018-11-18 17:06:36,346 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 17:06:36,357 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:06:36,382 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 17:06:36,404 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-18 17:06:36,442 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:06:36,442 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 7 variables, input treesize:136, output treesize:20 [2018-11-18 17:06:47,468 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2018-11-18 17:06:54,889 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-11-18 17:06:54,920 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 94 [2018-11-18 17:06:55,158 WARN L180 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2018-11-18 17:06:55,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-11-18 17:06:55,168 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 17:06:55,613 INFO L303 Elim1Store]: Index analysis took 311 ms [2018-11-18 17:06:55,852 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 113 treesize of output 131 [2018-11-18 17:06:59,513 WARN L180 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 306 DAG size of output: 303 [2018-11-18 17:06:59,640 INFO L303 Elim1Store]: Index analysis took 125 ms [2018-11-18 17:07:00,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 93 treesize of output 120 [2018-11-18 17:07:02,301 WARN L180 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2018-11-18 17:07:02,375 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 91 [2018-11-18 17:07:02,376 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 17:07:02,382 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 77 [2018-11-18 17:07:02,383 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-18 17:07:04,112 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 83 [2018-11-18 17:07:04,113 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-18 17:07:04,274 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:07:04,292 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:07:04,309 INFO L303 Elim1Store]: Index analysis took 195 ms [2018-11-18 17:07:04,382 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 95 treesize of output 109 [2018-11-18 17:07:04,384 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-18 17:07:06,486 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:07:06,487 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 83 [2018-11-18 17:07:06,487 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-18 17:07:06,499 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:07:06,500 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 80 [2018-11-18 17:07:06,501 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-18 17:07:06,510 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:07:06,511 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 94 [2018-11-18 17:07:06,512 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-18 17:07:06,519 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:07:06,520 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 92 [2018-11-18 17:07:06,520 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-18 17:07:06,528 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:07:06,529 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 91 [2018-11-18 17:07:06,529 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-18 17:07:08,164 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:07:14,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 97 treesize of output 131 [2018-11-18 17:07:14,787 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 3 xjuncts. [2018-11-18 17:07:15,524 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:07:15,531 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:07:15,540 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:07:15,540 INFO L303 Elim1Store]: Index analysis took 753 ms [2018-11-18 17:07:21,604 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 139 [2018-11-18 17:07:21,605 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 3 xjuncts. [2018-11-18 17:07:29,133 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:07:29,134 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 84 [2018-11-18 17:07:29,135 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-18 17:07:29,140 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:07:29,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 84 [2018-11-18 17:07:29,141 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-18 17:07:29,148 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:07:29,149 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 76 [2018-11-18 17:07:29,150 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-18 17:07:30,336 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 79 [2018-11-18 17:07:30,336 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-18 17:07:30,526 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 95 [2018-11-18 17:07:30,527 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 17:07:31,758 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:07:37,207 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 83 treesize of output 99 [2018-11-18 17:07:37,208 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2018-11-18 17:07:37,239 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:07:38,550 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 81 treesize of output 97 [2018-11-18 17:07:38,550 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 2 xjuncts. [2018-11-18 17:07:40,565 WARN L669 Elim1Store]: solver failed to check if following equality is implied: (= (bvadd v_prenex_20 (_ bv1 32)) (bvadd append_~head.offset (_ bv4 32))) [2018-11-18 17:07:40,575 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:07:40,593 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:07:40,594 INFO L303 Elim1Store]: Index analysis took 2043 ms [2018-11-18 17:07:46,239 INFO L477 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 2 case distinctions, treesize of input 79 treesize of output 111 [2018-11-18 17:07:46,239 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 2 xjuncts. [2018-11-18 17:07:47,327 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 83 [2018-11-18 17:07:47,327 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 2 xjuncts. [2018-11-18 17:07:47,352 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 85 [2018-11-18 17:07:47,352 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2018-11-18 17:07:47,481 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:07:47,495 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:07:47,506 INFO L303 Elim1Store]: Index analysis took 152 ms [2018-11-18 17:07:47,555 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 95 treesize of output 109 [2018-11-18 17:07:47,556 INFO L267 ElimStorePlain]: Start of recursive call 27: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-18 17:07:47,599 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:07:47,610 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:07:47,688 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 97 treesize of output 111 [2018-11-18 17:07:47,690 INFO L267 ElimStorePlain]: Start of recursive call 28: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-18 17:08:10,473 INFO L267 ElimStorePlain]: Start of recursive call 5: 8 dim-1 vars, End of recursive call: 9 dim-0 vars, and 19 xjuncts. [2018-11-18 17:08:12,264 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 103 treesize of output 130 [2018-11-18 17:08:13,917 WARN L180 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 150 DAG size of output: 147 [2018-11-18 17:08:13,924 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 89 [2018-11-18 17:08:13,924 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-11-18 17:08:13,980 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 105 [2018-11-18 17:08:13,981 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 17:08:15,514 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:08:15,515 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 94 [2018-11-18 17:08:15,515 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-11-18 17:08:15,522 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:08:15,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 96 [2018-11-18 17:08:15,524 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-11-18 17:08:15,533 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:08:15,534 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 98 [2018-11-18 17:08:15,535 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-11-18 17:08:16,986 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:08:17,002 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:08:17,014 INFO L303 Elim1Store]: Index analysis took 184 ms [2018-11-18 17:08:17,080 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 107 treesize of output 121 [2018-11-18 17:08:17,081 INFO L267 ElimStorePlain]: Start of recursive call 35: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-18 17:08:17,155 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 101 treesize of output 97 [2018-11-18 17:08:17,155 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 2 xjuncts. [2018-11-18 17:08:19,788 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:08:19,796 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:08:19,805 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:08:19,806 INFO L303 Elim1Store]: Index analysis took 1040 ms [2018-11-18 17:08:21,398 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 92 treesize of output 124 [2018-11-18 17:08:21,399 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 2 xjuncts. [2018-11-18 17:08:21,416 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:08:27,617 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 135 [2018-11-18 17:08:27,618 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 3 xjuncts. [2018-11-18 17:08:27,641 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:08:35,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 135 [2018-11-18 17:08:35,477 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 3 xjuncts. [2018-11-18 17:08:35,499 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:08:39,090 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 98 treesize of output 114 [2018-11-18 17:08:39,090 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 2 xjuncts. [2018-11-18 17:08:39,946 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:08:39,954 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:08:39,966 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:08:39,967 INFO L303 Elim1Store]: Index analysis took 876 ms [2018-11-18 17:08:40,939 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 121 [2018-11-18 17:08:40,940 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 2 xjuncts. [2018-11-18 17:08:58,159 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 91 [2018-11-18 17:08:58,160 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-11-18 17:08:58,283 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 107 [2018-11-18 17:08:58,284 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 17:09:03,178 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:09:06,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 109 [2018-11-18 17:09:06,398 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 2 xjuncts. [2018-11-18 17:09:07,415 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:09:07,423 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:09:07,432 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:09:07,433 INFO L303 Elim1Store]: Index analysis took 1034 ms [2018-11-18 17:09:08,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 117 [2018-11-18 17:09:08,961 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 2 xjuncts. [2018-11-18 17:09:08,995 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:09:14,799 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 95 treesize of output 111 [2018-11-18 17:09:14,800 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 2 xjuncts. [2018-11-18 17:09:24,464 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:09:24,482 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:09:24,499 INFO L303 Elim1Store]: Index analysis took 162 ms [2018-11-18 17:09:24,573 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 105 treesize of output 119 [2018-11-18 17:09:24,574 INFO L267 ElimStorePlain]: Start of recursive call 47: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-18 17:09:24,623 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 95 [2018-11-18 17:09:24,624 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 2 xjuncts. [2018-11-18 17:09:28,453 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:09:28,455 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 97 [2018-11-18 17:09:28,455 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-11-18 17:09:28,468 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:09:28,469 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 88 [2018-11-18 17:09:28,470 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-11-18 17:09:28,476 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:09:28,477 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 104 [2018-11-18 17:09:28,478 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-11-18 17:09:28,487 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:09:28,488 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 101 [2018-11-18 17:09:28,489 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-11-18 17:09:31,748 INFO L267 ElimStorePlain]: Start of recursive call 29: 8 dim-1 vars, End of recursive call: 9 dim-0 vars, and 17 xjuncts. [2018-11-18 17:09:32,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 62 [2018-11-18 17:09:32,698 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:09:32,699 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 61 [2018-11-18 17:09:32,699 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-11-18 17:09:32,797 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:09:34,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 72 [2018-11-18 17:09:34,524 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 2 xjuncts. [2018-11-18 17:09:34,646 INFO L267 ElimStorePlain]: Start of recursive call 53: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 17:09:51,203 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 94 treesize of output 101 [2018-11-18 17:09:51,223 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:09:56,931 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 92 treesize of output 108 [2018-11-18 17:09:56,931 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 2 xjuncts. [2018-11-18 17:09:57,148 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:09:57,149 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 97 [2018-11-18 17:09:57,149 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-11-18 17:09:57,365 INFO L267 ElimStorePlain]: Start of recursive call 56: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 17:09:58,474 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 61 [2018-11-18 17:09:58,479 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:09:58,480 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 60 [2018-11-18 17:09:58,480 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-11-18 17:09:58,586 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:10:02,067 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 71 [2018-11-18 17:10:02,067 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 2 xjuncts. [2018-11-18 17:10:02,198 INFO L267 ElimStorePlain]: Start of recursive call 59: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-18 17:10:09,118 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 53 [2018-11-18 17:10:09,124 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:10:09,125 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 28 [2018-11-18 17:10:09,125 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-11-18 17:10:09,162 INFO L267 ElimStorePlain]: Start of recursive call 62: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:10:09,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 91 [2018-11-18 17:10:09,174 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:10:09,175 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 52 [2018-11-18 17:10:09,175 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-11-18 17:10:09,231 INFO L267 ElimStorePlain]: Start of recursive call 64: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:10:15,280 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 93 [2018-11-18 17:10:15,504 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2018-11-18 17:10:15,522 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:10:15,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 54 [2018-11-18 17:10:15,524 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-11-18 17:10:15,639 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 23 [2018-11-18 17:10:15,640 INFO L267 ElimStorePlain]: Start of recursive call 68: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 17:10:15,661 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 6 [2018-11-18 17:10:15,661 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-11-18 17:10:15,781 INFO L267 ElimStorePlain]: Start of recursive call 66: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-11-18 17:10:15,785 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 56 [2018-11-18 17:10:15,789 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 17:10:15,790 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 28 [2018-11-18 17:10:15,790 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-11-18 17:10:15,823 INFO L267 ElimStorePlain]: Start of recursive call 70: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 17:10:22,406 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 97 treesize of output 95 [2018-11-18 17:10:23,487 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:10:23,488 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_arrayElimCell_54 term size 61 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:418) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java: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:429) 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:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 17:10:23,490 INFO L168 Benchmark]: Toolchain (without parser) took 281364.68 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 305.7 MB). Free memory was 945.2 MB in the beginning and 1.0 GB in the end (delta: -72.6 MB). Peak memory consumption was 482.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:10:23,490 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:10:23,490 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 35.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:10:23,491 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.05 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. [2018-11-18 17:10:23,491 INFO L168 Benchmark]: Boogie Preprocessor took 38.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:10:23,491 INFO L168 Benchmark]: RCFGBuilder took 866.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.4 MB). Peak memory consumption was 83.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:10:23,491 INFO L168 Benchmark]: TraceAbstraction took 280003.04 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 147.3 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 29.3 MB). Peak memory consumption was 426.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:10:23,493 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 428.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 35.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.05 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 38.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 866.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.4 MB). Peak memory consumption was 83.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 280003.04 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 147.3 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 29.3 MB). Peak memory consumption was 426.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimCell_54 term size 61 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimCell_54 term size 61: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...